WO2016031949A1 - Remedy for chronic renal failure - Google Patents

Remedy for chronic renal failure Download PDF

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WO2016031949A1
WO2016031949A1 PCT/JP2015/074350 JP2015074350W WO2016031949A1 WO 2016031949 A1 WO2016031949 A1 WO 2016031949A1 JP 2015074350 W JP2015074350 W JP 2015074350W WO 2016031949 A1 WO2016031949 A1 WO 2016031949A1
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carbon atoms
alkyl
phenyl
hydrogen
carbons
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PCT/JP2015/074350
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French (fr)
Japanese (ja)
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五十嵐 浩司
佳丈 高橋
智子 阪本
和幸 金子
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東レ株式会社
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/34Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide
    • A61K31/343Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone

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  • the present invention relates to a therapeutic agent for chronic renal failure and a method for treating the same.
  • Patent Document 1 a report in a rat renal failure model in which nephritis produced by administering an antibody of glomerular basement membrane is used as a primary disease is known ( Patent Document 1).
  • renal function markers such as serum creatinine (SCre) and blood urea nitrogen (BUN), which are higher than normal values. It has been shown that, when the compound (I) is administered, increases in numerical values such as urinary protein excretion, SCre, and BUN, which increase with the progression of renal failure, are suppressed compared to the control group.
  • SCre serum creatinine
  • BUN blood urea nitrogen
  • Non-patent Document 1 the administration of beraprost sodium suppressed the decrease in renal function in conservative renal failure, which was indicated by a decrease in creatinine clearance and SCre reciprocal in patients with chronic renal failure.
  • Non-patent Document 1 an increase in patients with chronic renal failure has become a big problem not only in human medicine but also in veterinary medicine. Pets such as dogs and cats can now enjoy a more nutritious diet and more advanced veterinary services. As a result, pets, like humans, have a long life, and the number of animals suffering from aging-related diseases and chronic diseases that are difficult to treat is rapidly increasing. Chronic renal failure is seen in many types of pet animals, but cats develop chronic renal failure at a particularly high rate.
  • Chronic renal failure accounts for about 30% of all illnesses in cats over 15 years of age and is the leading cause of death for cats. Furthermore, when a patient cat is brought to a veterinary hospital, it is a very advanced chronic renal failure state, and there are very many cases of uremia.
  • a therapeutic agent for uremia containing a compound of the general formula (I) of the present application is effective in treating uremia associated with such chronic renal failure patients (Patent Document 2).
  • a suitable model for determining uremia, recovery of reduced appetite, improvement of activity, weight gain, etc. are achieved quickly without side effects, but these are only improvements in uremia symptoms, not necessarily kidneys It did not show an effect on the insufficiency state, ie, decrease in renal function. In other words, improvement of renal function and improvement of uremia have not been directly linked, leaving a problem in the treatment of chronic renal failure itself.
  • side effects such as diarrhea, vomiting, sedation, and increased heart rate may occur when a compound represented by the general formula (I) is administered at 30 ⁇ g / kg body weight or more.
  • the problem to be solved by the present invention is to provide a therapeutic agent and a treatment method for chronic renal failure in mammals including cats.
  • the present inventors have found that the optimal usage and dosage of a therapeutic agent for chronic renal failure comprising the compound represented by the general formula (I) of the present application as an active ingredient
  • the compound represented by the general formula (I) is administered at a dose of 55 ⁇ g per dose, or administered at 6 to 26.4 ⁇ g / kg per dose, preferably continuously administered for 30 days or more.
  • the present inventors have found that the increase in the numerical values of renal function markers such as SCre and BUN can be suppressed and maintained stably without causing harmful side effects, and the present invention has been completed. That is, the present invention 1.
  • R 1 is (A) COOR 2 , where R 2 is 1) hydrogen or a pharmacologically acceptable cation, 2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms, 4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5, 5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, ⁇ -naphthyl, ⁇ -naphthyl, 2-pyridyl, 3-
  • R represents —SO 2 R 10
  • the other R 9 is not —SO 2 R 10
  • (D) —CH 2 OTHP THP is a tetrahydropyranyl group
  • R 1 is (A) COOR 2 , where R 2 is 1) hydrogen or a pharmacologically acceptable cation, 2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms, 4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5, 5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, ⁇ -naphthyl, ⁇ -naphthyl, 2-pyridyl, 3-
  • R represents —SO 2 R 10
  • the other R 9 is not —SO 2 R 10
  • (D) —CH 2 OTHP THP is a tetrahydropyranyl group
  • E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
  • General formula (I) represents d-form, l-form or dl-form]
  • a therapeutic agent for chronic renal failure comprising administering 6 to 26.4 ⁇ g / kg of a compound represented by the following: 3.
  • R 1 is COOR 2 , where R 2 is hydrogen or a pharmacologically acceptable cation, A is — (CH 2 ) m —, where m is an integer from 1 to 3, Y is hydrogen, B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 and R 13 are hydrogen; X is —CH ⁇ CH—, R 12 is —C u H 2u —C ⁇ C—R 17 , wherein u is an integer of 1 to 7, C u H 2u is a linear or branched alkylene, R 17 is a linear alkyl having 1 to 6 carbon atoms, The therapeutic agent for chronic renal failure according to 1 or 2, wherein E is hydrogen or -OR 2 (wherein R 2 is as defined above), 4).
  • R 1 is COOR 2 , where R 2 is hydrogen or sodium ion, A is — (CH 2 ) m —, where m is 3, Y is hydrogen, B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 and R 13 are hydrogen; X is —CH ⁇ CH—, R 12 is —C u H 2u —C ⁇ C—R 17 , where u is 2, C u H 2u is branched alkylene, R 17 is methyl, E is -OH,
  • the therapeutic agent for chronic renal failure according to 1 or 2, wherein the compound represented by the general formula (I) is beraprost sodium, 6).
  • R 1 is (A) COOR 2 , where R 2 is 1) hydrogen or a pharmacologically acceptable cation, 2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms, 4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5, 5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, ⁇ -naphthyl, ⁇ -naphthyl, 2-pyridyl, 3-
  • R represents —SO 2 R 10
  • the other R 9 is not —SO 2 R 10
  • (D) —CH 2 OTHP THP is a tetrahydropyranyl group
  • E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
  • General formula (I) represents d-form, l-form or dl-form] A compound represented by It is.
  • the compound represented by the general formula (I) of the present invention is administered at 55 ⁇ g per dose, or administered at 6 to 26.4 ⁇ g / kg at a time, preferably twice a day for 30 days or more.
  • a time preferably twice a day for 30 days or more.
  • the time courses of body weight and general condition (activity, appetite, dehydration) when 55 ⁇ g or 20 ⁇ g per dose of BPS was orally administered to a cat with chronic renal failure twice daily for 180 days are shown.
  • the general state was scored from 0 to 4 in advance according to a predetermined standard, and was judged by a veterinarian.
  • the horizontal axis of each figure shows the number of days after administration. In the 20 ⁇ g group, almost no improvement was observed, but in the 55 ⁇ g group, all items improved. Especially in terms of activity and appetite, significant improvement in symptoms is observed in the 55 ⁇ g group.
  • Renal function (BUN, SCre, phosphorus / calcium ratio (P / Ca), blood indoxyl) when 55 ⁇ g or 20 ⁇ g of BPS is orally administered to a cat with chronic renal failure twice daily for 180 days (Sulfuric acid, blood phenol).
  • the horizontal axis of each figure shows the number of days after administration.
  • BUN, SCre, P / Ca, indoxyl sulfate, and phenol are all increased, but the increase in the 55 ⁇ g group is suppressed as compared to the 20 ⁇ g group, and the suppression is maintained.
  • BUN, SCre, and P / Ca in the 20 ⁇ g group showed a large increase from 150 to 180 days after administration, whereas BUN and P / Ca on the 180 day administration increased significantly in the 20 ⁇ g group.
  • Renal function urine specific gravity, urinary protein / creatinine (UPC), urinary N-acetyl- ⁇
  • UPC urinary protein / creatinine
  • NAG urinary N-acetyl- ⁇
  • TGF- ⁇ urinary transforming growth factor ⁇
  • a significant decrease in body weight is observed in the placebo group, and a significant deterioration in activity is observed in the general state, while a maintenance of weight, a significant improvement in activity, and a significant improvement in appetite are observed in the 55 ⁇ g group.
  • Renal function (BUN, SCre, P / Ca) in a clinical study (double-blind comparative study) in which 55 ⁇ g of BPS per administration or placebo tablet was administered twice a day for 180 days in a chronic renal failure cat , UPC).
  • the placebo group there is a significant deterioration tendency in each item, but in the 55 ⁇ g group, the increase is suppressed and stably maintained.
  • R 1 is preferably COOH, COONa or COOMe, particularly preferably COONa, As A, — (CH 2 ) 2 —, — (CH 2 ) 3 —, —CH ⁇ CH—, —O—CH 2 — is preferable, and — (CH 2 ) 3 ) — is particularly preferable.
  • Y is particularly preferably hydrogen
  • B is represented by —X—C (R 11 ) (R 12 ) OR 13 , where R 11 and R 13 are particularly preferably hydrogen, and X is preferably —CH ⁇ CH—, particularly trans —CH ⁇ CH— is preferred
  • R 12 includes hexyl, pentyl, 1-methylpropyl, 2-chlorophenyl, propyloxymethyl, cyclohexyl, 4-hexyn-2-yl, 2-methyl-4-hexyne-2 -Yl is preferred, especially 4-hexyn-2-yl
  • E is particularly preferably —OH.
  • Preferable specific compounds of the compound represented by the general formula (I) include 16-methyl-18,18,19,19-tetradehydro-5,6,7-trinor-4,8-inter-m- phenylene PGI 2 (common name beraprost), 16-methyl -18,18,19,19- Tetoradehidoro -5,6,7- trinor-4,8-inter -m- phenylene PGI 2 sodium salt (sodium rac- ( 1R, 2R, 3aS, 8bS) -2,3,3a, 8b-tetrahydro-2-hydroxy [(E)-(3S, 4RS) -3-hydroxy-4-methyl-1-en-6-]-1H -Cyclopenta [b] [1] benzofuran-5-butanoate: generic name beraprost sodium) Among them preferably a beraprost sodium. However, these are merely specific examples and are not limited thereto.
  • the compound represented by the general formula (I), particularly beraprost sodium is stable for a long period of time and has high bioavailability by oral administration. For this reason, in patients with renal diseases, particularly patients with chronic kidney diseases, since long-term administration is required, it can be particularly preferably used.
  • the compounds represented by the above general formula (I) used in the present invention are known, for example, Japanese Patent Publication No. 1-53672, Japanese Patent Publication No. 7-5582, Japanese Patent Publication No. 3-7275, Japanese Patent Publication No. 6-62599. It can manufacture by the well-known method described in gazette gazette etc.
  • the compounds represented by the general formula (I) of the present invention can be used alone or in combination of two or more.
  • chronic renal failure means that the number of functioning nephrons decreases, the excretion of nitrogen metabolites becomes insufficient, and the abnormal functional state of the kidney, which cannot maintain the homeostasis of the internal environment of the living body, lasts for a long time. That means. Specifically, it can be referred to as a state or syndrome in which the numerical values of renal function markers such as SCre and BUN in blood show a continuous increase.
  • Examples of the primary diseases of chronic renal failure include kidney stones, urinary tract obstruction, diabetic nephropathy, acute glomerulonephritis and chronic glomerulonephritis, nephrotic syndrome, polycystic kidney disease, nephropathy due to infection, lupus nephritis, Examples include interstitial nephritis, acute tubulointerstitial nephritis, chronic tubulointerstitial nephritis, cirrhosis, hepatic edema, and congestive heart failure.
  • chronic glomerulonephritis microglomerular change nephritis, focal / segmental glomerulonephritis, diffuse glomerulonephritis, mesangial proliferative glomerulonephritis, diffuse endoproliferative nephritis, crescent-forming nephritis It is also effective for uremic diseases with diffuse sclerosing glomerulonephritis and IgA nephropathy as primary diseases.
  • the patient for whom the therapeutic agent in the present invention is effective is not particularly limited, and may be any mammal determined to be chronic renal failure according to the above definition, but is preferably a cat, dog or person.
  • beraprost sodium contained in the general formula (I) of the present invention is administered as a therapeutic agent to a cat suffering from chronic renal failure, an increase in numerical values of renal function markers such as SCre and BUN is suppressed.
  • the therapeutic agent of the present invention has a remarkable effect on cats because no side effects such as diarrhea and vomiting occurred during the long-term administration period, and clinical symptoms of uremia were improved. It can be said that it shows.
  • the dose of the compound represented by the general formula (I), which is an active ingredient of the therapeutic agent of the present invention is 55 ⁇ g per time or 6 to 26.4 ⁇ g / kg per time.
  • This dose is preferably administered twice a day and may be administered continuously for 30 days or longer, preferably 60 days or longer, more preferably 120 days or longer, and even more preferably 180 days, but is not limited thereto. It is not something.
  • side effects such as diarrhea, vomiting, sedation, and increased heart rate may occur when the compound represented by formula (I) is administered in excess of 30 ⁇ g / kg body weight (patent) From the literature 2), it is preferable to avoid administration of a certain dose or more.
  • Various dosage forms can be used as the dosage form of the pharmaceutical composition of the present invention.
  • tablets, powders, fine granules, granules, solutions, syrups, capsules, pills. Can be a spray.
  • the molded product can be film-coated, sugar-coated, or capsule-filled.
  • Preferable examples include tablets, powders, fine granules, granules, liquids, syrups, and capsules.
  • it may be administered parenterally in the form of a bactericidal solution, or other solutes such as sodium chloride or glucose sufficient to make the solution isotonic can be used.
  • the therapeutic and prophylactic agents of the present invention can be used as various injections and suppositories in addition to the above preparations.
  • it is possible to individually control release such as slow release and delayed release.
  • the drug can be provided with a sustained release function by an existing method, and a wide range of administration methods can be applied parenterally such as an implantable sustained release pump (eg, Alzamini pump).
  • an implantable sustained release pump eg, Alzamini pump
  • renal diseases are chronic diseases that require long-term treatment
  • the therapeutic agent of the present invention can be added in advance to a prescription meal for patients with renal diseases under the guidance of a doctor or veterinarian.
  • it can be orally administered in conjunction with, or simultaneously with, an existing activated carbon preparation for uremic treatment.
  • the therapeutic agent of the present invention when the therapeutic agent of the present invention is given for a certain period of time in advance, it is possible to switch the activated carbon preparation from the therapeutic agent of the present invention almost simultaneously.
  • the compound represented by the general formula (I) when switching from the activated carbon preparation to the therapeutic agent of the present invention, the compound represented by the general formula (I) may be adsorbed on the activated carbon, which may affect the drug efficacy. Is desirable.
  • Example 1 Preparation of beraprost sodium tablets
  • the drugs administered to cats in the examples and comparative examples of the present invention were both 20 ⁇ g / tablet using beraprost sodium (BPS) as the compound represented by the general formula (I)
  • Film-coated tablets of 40 ⁇ g / tablet, 55 ⁇ g / tablet and 150 ⁇ g / tablet were prepared by the following method.
  • the base powder lactose, starch
  • stirring granulation was performed while adding a solution of BPS and binder (hypromellose) prepared in advance.
  • Lubricant magnesium stearate
  • a rotary tableting machine using a 6mm, 8R tool. Obtained.
  • the obtained uncoated tablet was put into a coating apparatus, and coating was performed while spraying a previously prepared coating solution (polyethylene glycol, hypromellose), and then carnauba wax was added to obtain a film-coated tablet.
  • Example 2 Administration of 55 ⁇ g beraprost sodium for 180 days to cats with chronic renal failure (FIGS. 1, 2 and 3)
  • the cat suffering from chronic renal failure used in the test had an SCre of 1.6 mg / dL to 5.0 mg / dL and a total serum thyroxine (T 4 ) of 0.9 ⁇ g / dL to 0.9 ⁇ g / dL before the start of the test.
  • T 4 total serum thyroxine
  • acute renal failure acute exacerbation of chronic renal failure
  • chronic heart failure New York Heart Association classification: class II, III or IV
  • diabetes hyperadrenocorticism
  • urinary tract infection Feline leukemia virus infection, feline immunodeficiency virus infection, feline infectious peritonitis, malignant tumor, markedly decreased liver function, pregnancy, and cats with obvious bleeding tendency were excluded.
  • the BPS was administered orally after the meal in the morning and evening, once a day, once a day for the BPS tablet prepared in Example 1. Drugs requiring withdrawal before the study were prohibited during the study period and infusion was prohibited. We also decided not to start or change the diet throughout the study.
  • Body temperature and body weight were measured at 0, 30, 60, 90, 120, 150, and 180 days after administration 2 weeks before the test, and the general condition (activity, appetite, dehydration) was preliminarily 0-4 according to the following criteria. Was scored and judged by the veterinarian.
  • Activity is 0: active, 1: normal, 2: mildly decreased, 3: moderately decreased, 4: severely decreased, appetite is 0: enhanced, 1: normal, 2: 1 daily diet is about 1/4 Decreased, 3: 1 daily food consumption reduced by more than 1/2, weekly one day not eaten, 4: non-eaten day more than 2-3 days a week, dehydration less than 0: 5% 1: 5% (slight skin elasticity, mucosal dryness), 2: 7-8% (apparent reduction in skin elasticity, capillary refill time (CRT) 2-3 seconds, ocular Slight depression, limb sensation, 3: 10-12% (disappearance of skin elasticity, CRT 3 seconds or longer, marked eyeball depression, shock, involuntary muscle spasm, skin sensation), 4: 12-15 % (Obvious shock state, moribund state).
  • CTR capillary refill time
  • hematologic tests red blood cell count (RBC), white blood cell count (WBC), blood cell volume ratio (PCV), 0, 30, 60, 90, 120, 150, 180 days
  • Hemoglobin (Hb)) blood biochemical tests (total protein (TP), albumin (Alb), globulin (Glob), alanine aminotransferase (ALT), aspartate transferase (AST), alkaline phosphatase (ALP), total cholesterol (Tcho), total bilirubin (Tbil), glucose (Glu), BUN, SCre, sodium (Na), potassium (K), chlor (Cl), calcium (Ca), phosphorus (P)) were measured.
  • blood indoxyl sulfate and blood phenol test HPLC method was performed as an index of uremic toxin at 0, 90 and 180 days after administration 2 weeks before the test.
  • BUN, SCre, P / Ca and UPC used for evaluation of renal function were employed as markers for glomerular function. Both BUN and SCre are not excreted from the kidney due to a decrease in renal function, and the blood concentration is increased. P / Ca is increased in concentration due to a decrease in renal function and phosphorus is not excreted. The value increases because of a decrease, and the value of UPC increases due to an increase in protein in urine due to a decrease in renal function. Indoxyl sulfate and phenol were adopted as indicators of uremic toxins. It is known that indoxyl sulfate increases in blood concentration due to a decrease in renal function, and phenol accumulates in blood due to renal failure and uremia and increases in concentration.
  • Urine specific gravity and urinary NAG were used as tubule markers, and urinary TGF- ⁇ was used as a fibrosis and inflammation marker.
  • the specific gravity of urine is decreased due to decrease in urine concentration ability due to renal failure, and urinary NAG is increased when tubular epithelial cells are abnormal.
  • Urinary TGF- ⁇ is also known to increase due to renal failure.
  • BPS tablets for all cases administered BPS tablets, deaths, body temperature and weight, general condition (activity, appetite, dehydration), hematological examination, blood biochemical examination, urinalysis results, etc.
  • the causal relationship with the administration of BPS was verified for all the adverse events that occurred, and the safety was evaluated.
  • BPS 55 ⁇ g tablet once a day 55 ⁇ g / head
  • BPS twice a day 110 ⁇ g / head / day
  • BUN increased from an average of 28.63 mg / dL on the 0th day to 31.27 mg / dL on the 30th day in the 55 ⁇ g administration group, but variation was observed until the 150th day. It was 31.63 mg / dL on the 180th day.
  • the increase rate on the 180th day was 10.5%.
  • SCre slightly increased from 2.10 mg / dL on day 0 of administration to 2.32 mg / dL on day 180.
  • the increase rate on the 180th day was 11.0%.
  • P / Ca increased from an average of 0.50 on the 0th day to 0.53 on the 60th day, but decreased to 0.48 on the 90th day, followed by little fluctuation and 0.49 on the 180th day.
  • the blood indoxyl sulfate slightly increased from an average of 2.57 ⁇ g / mL on day 0 to 2.80 ⁇ g / mL on day 90, but decreased to 2.65 ⁇ g / mL on day 180.
  • Blood phenol decreased from an average of 0.030 ⁇ g / mL on day 0 to 0.010 ⁇ g / mL on day 90 and to 0.009 ⁇ g / mL on day 180.
  • the urine specific gravity increased from an average of 1.024 on the 0th day of administration every month to 1.027 on the 180th day.
  • UPC decreased from an average of 0.136 on day 0 to 0.060 on day 30 and increased to 0.149 on day 60, but decreased to 0.088 on day 90. Decreased to 0.070.
  • Urinary NAG decreased from an average of 4.38 on day 0 to 3.165 on day 30 and increased to 6.436 on day 90. It decreased to 3.933 on the 120th day, and then increased to 4.65 on the 180th day with little fluctuation.
  • Urinary TGF- ⁇ showed little variation from the average of 966.77 on day 0 to 942.738 on day 90, increased to 11.90.959 on day 120, but decreased to 9455.592 on day 150, 180 On day, it dropped to 668.23.
  • the BPS-55 ⁇ g administration group of this example is 8.6 to 21.2 ⁇ g / kg (17.2 to 42.4 ⁇ g / kg / day) in terms of the dose per body weight of cats, which improves clinical symptoms and renal function An effect was observed in suppressing the rise of the marker and maintaining stability.
  • Comparative Example 1 Administration of 20 ⁇ g of beraprost sodium for 180 days to cats with chronic renal failure (FIGS. 1, 2, and 3) The test method followed the method described in Example 2. About 10 chronic cases of chronic renal failure cats that satisfy the above selection criteria and excluding excluded subjects, BPS 20 ⁇ g tablet once a day (20 ⁇ g / head) orally twice a day (40 ⁇ g / head / day) , Continued for 180 days and compared with the test results of Example 2.
  • BUN decreased from an average of 44.90 mg / dL on day 0 to 38.60 mg / dL on day 30, but 40.1 mg / dL on day 60. It increased to dL and did not change until day 150, but increased to 49.40 mg / dL on day 180.
  • the increase rate on the 180th day was 16.1%.
  • SCre was little changed from 2.58 mg / dL on day 0 to 2.65 mg / dL from day 150 to 150 days, but increased to 3.14 mg / dL on day 180.
  • the increase rate on the 180th day was 21.7%.
  • P / Ca averaged from 0.54 on the 0th day to 0.56 from the 150th day to 0.56, but increased to 0.64 on the 180th day.
  • p 0.0396
  • the blood indoxyl sulfate level changed from an average of 4.80 ⁇ g / mL on day 0 to 4.70 ⁇ g / mL on day 90, but increased to 10.33 ⁇ g / mL on day 180.
  • Blood phenol increased from an average of 0.008 ⁇ g / mL on day 0 to 0.030 ⁇ g / mL on day 90 and to 0.046 ⁇ g / mL on day 180.
  • the urine specific gravity of the 20 ⁇ g administration group increased from an average of 1.021 on the 0th day to 1.023 by the 120th day, but then decreased and returned to 1.021 on the 180th day.
  • UPC decreased from an average of 0.135 on day 0 to 0.103 on day 90 and increased to 0.128 on day 120. It decreased to 0.086 on the 150th day but increased to 0.160 on the 180th day.
  • Urinary NAG increased from an average of 7.555 on the 0th day to 9.751 on the 90th day, but decreased from 120th day to 2.697 on the 180th day.
  • Urinary TGF- ⁇ increased monthly from an average of 391.69 on day 0 of administration, increased to 121.284 on day 150, and decreased to 880.37 on day 180.
  • the BPS administered in this comparative example was 3.8 to 11.1 ⁇ g / kg (7.6 to 22.2 ⁇ g / kg / day) in terms of the dose per weight of the cat.
  • the dose was highly effective.
  • Example 3 Clinical study in cats with chronic renal failure (double-blind comparative study of placebo administration group and BPS 55 ⁇ g administration group, administration for 180 days, FIG. 5)
  • the chronic renal failure cat used in the study was from the middle stage II to the middle stage III of the International Renal Society Society (IRIS) excluding the acute exacerbation period, with an SCre value of 2.0 to 4.0 mg / dL and a UPC of 1.
  • IRIS International Renal Society Society
  • urine specific gravity is 1.008 to 1.030
  • T4 is 0.9 to 3.8 ⁇ g / dL
  • the BPS tablet used in the clinical trial was a tablet containing 55 ⁇ g of BPS prepared by the same method as in Example 1, whereas the placebo tablet was prepared by the same method as in Example 1 except that it did not contain BPS. BPS-free tablets.
  • BPS and placebo tablets were orally administered once a day, twice a day, after morning and evening meals.
  • administration of diuretics, cardiotonic agents, spherical adsorbed charcoal and activated carbon, blood products, iodine contrast media, prostaglandin products, corticosteroids, non-steroidal anti-inflammatory drugs is prohibited, and use of antihypertensive drugs Dose change and new administration were not allowed. In principle, infusion is prohibited, and dietary treatment is not newly started or changed.
  • body temperature and body weight were measured on days 0, 30, 60, 90, 120, 150, and 180, and the general condition was judged based on a score of 0 to 4 set in advance.
  • the score criterion is the same as that described in the second embodiment.
  • Hematology tests (RBC, WBC, PCV, Hb, TP, Alb, Glob, ALT, AST, 2 weeks before the test, 1 week before the test, 0, 30, 60, 90, 120, 150, 180 days)
  • the urine test was performed for urine occult blood, urine bacteria, urine specific gravity, UPC, and NAG at 0, 30, 60, 90, 120, 150, and 180 days two weeks before the test.
  • the BPS administered to the BPS-55 ⁇ g administration group of this example is 6.0 to 26.4 ⁇ g / kg (12.0 to 52.9 ⁇ g / kg / day) in terms of the dose per body weight. At approximately the same dose as above, it was highly effective in improving the general condition of cats with chronic renal failure and suppressing and stabilizing the increase in renal function markers.
  • Example 4 Safety study with healthy cats 3-6 year old cats with no abnormalities in clinical and blood tests at doses of BPS 0, 10, 30, 70, 100 ⁇ g / kg twice a day, Orally administered for 7 consecutive days. In each administration group, 4 males and 4 females were used, and a total of 8 were used and 0 ⁇ g / kg (control group) was used. Clinical symptoms, blood (RBC, WBC, PCV, Hb, Plat) and blood biochemistry (AST, ALT, TP, BUN, SCre, Na, K, Cl, Ca, IP), blood pressure and heart rate during the administration period was measured. The analysis of the test values was performed by using Stat View J-4.5 (Abacus Concepts) with a paired t-test with a significant difference of less than 5% on both sides.
  • BUN tended to decrease with the administration of BPS
  • SCre showed a significant decrease when administered with 30 to 100 ⁇ g / kg.
  • AST showed a tendency to decrease with administration of 30 ⁇ g / kg or more
  • ALT also showed a tendency to decrease with administration of BPS, particularly in the 70 ⁇ g / kg group.
  • blood pressure and heart rate no significant change was observed due to repeated administration, and therefore the average value for 7 days was analyzed as an individual value. Both systolic blood pressure and diastolic blood pressure tended to decrease with administration of BPS, but no statistically significant difference was observed.
  • the heart rate increased in a dose-dependent manner, and a significant difference from the control group was observed in the administration group of 30 ⁇ g / kg or more.
  • Comparative Example 2 Verification of the effect of dose and administration period per body weight of cats with chronic renal failure About the effect when BPS was orally administered twice a day to cats with chronic renal failure Table 2 shows the results of comparison and verification in the case of conversion to the per unit and the administration period.
  • BPS When BPS is administered at a dose of 6.0 to 26.4 ⁇ g / kg body weight for 180 days continuously [Example 2 (Test E), Example 3 (Test D)], 180 days after administration
  • the rate of increase / decrease in BUN in the eyes is 5.3-10.5%
  • the rate of increase / decrease in SCre is 2.9-11.0%. Therefore, it is suggested that BPS has a dose-dependent effect on chronic renal failure.
  • the same dose was administered for a short period of 56 days, clinical symptoms improved, but the renal function markers all remained high or increased. There seems to be a tendency to show higher effects.

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Abstract

Provided are a remedy for chronic renal failure of mammals such as cats and a treatment method therefor. By orally administering a compound represented by formula (I) in an amount of 55 μg per dose or 6-26.4 μg/kg per dose preferably twice a day continuously for 30 days or longer, increases in renal function markers such as BUN and SCre can be inhibited and stabilized and thus chronic renal failure can be improved.

Description

慢性腎不全の治療薬Drugs for chronic renal failure
 本発明は慢性腎不全の治療薬とその処置方法に関する。 The present invention relates to a therapeutic agent for chronic renal failure and a method for treating the same.
 腎不全における本願一般式(I)で表される化合物の効果については、糸球体基底膜の抗体を投与して作成した腎炎を原疾患とするラット腎不全モデルでの報告が知られている(特許文献1)。本報告で、腎機能マーカーである血清クレアチニン(SCre)や血中尿素窒素(BUN)といった腎機能マーカーの値が正常値よりも高値をとることで規定される腎不全を認めてから、一般式(I)の化合物を投与すると、腎不全の進行に伴って上昇する尿中タンパク***量、SCre、BUNといった数値の上昇が、対照群に比べて抑制されることが示されている。さらに臨床においても、慢性腎不全患者のクレアチニンクリアランスやSCreの逆数の低下で示される保存期腎不全の腎機能低下をベラプロストナトリウムの投与によって抑制されたことが知られている(非特許文献1)。一方、近年、人医学に限らず獣医学領域においても慢性腎不全患者の増加が大きな問題となっている。犬や猫などの愛玩動物は、より栄養価の高い食餌やより高度の獣医療サービスを享受できるようになった。その結果、人と同様に愛玩動物も長命となり、老化関連疾患や治療が困難な慢性疾患を患う動物が急速に増加している。多種類の愛玩動物で慢性腎不全は見られるが、猫では特に高率に慢性腎不全を発症する。慢性腎不全は15歳以上の猫では全疾患の約30%にも達し、猫の主要な死因となる。さらに患者猫が動物病院に持ち込まれた時点では、相当に進行した慢性腎不全状態であり、***を併発しているケースが非常に多い。 Regarding the effect of the compound represented by the general formula (I) of the present application in renal failure, a report in a rat renal failure model in which nephritis produced by administering an antibody of glomerular basement membrane is used as a primary disease is known ( Patent Document 1). In this report, we have recognized renal failure defined by renal function markers, such as serum creatinine (SCre) and blood urea nitrogen (BUN), which are higher than normal values. It has been shown that, when the compound (I) is administered, increases in numerical values such as urinary protein excretion, SCre, and BUN, which increase with the progression of renal failure, are suppressed compared to the control group. Furthermore, also in clinical practice, it is known that the administration of beraprost sodium suppressed the decrease in renal function in conservative renal failure, which was indicated by a decrease in creatinine clearance and SCre reciprocal in patients with chronic renal failure (Non-patent Document 1). . On the other hand, in recent years, an increase in patients with chronic renal failure has become a big problem not only in human medicine but also in veterinary medicine. Pets such as dogs and cats can now enjoy a more nutritious diet and more advanced veterinary services. As a result, pets, like humans, have a long life, and the number of animals suffering from aging-related diseases and chronic diseases that are difficult to treat is rapidly increasing. Chronic renal failure is seen in many types of pet animals, but cats develop chronic renal failure at a particularly high rate. Chronic renal failure accounts for about 30% of all illnesses in cats over 15 years of age and is the leading cause of death for cats. Furthermore, when a patient cat is brought to a veterinary hospital, it is a very advanced chronic renal failure state, and there are very many cases of uremia.
 本願一般式(I)の化合物を含有する***治療薬は、こうした慢性腎不全患者に併発した***の治療に有効であることが知られている(特許文献2)。***判定の好適なモデルである猫において、低下した食欲の回復、活動性の改善、体重の増加等が副作用無く速やかに達成されるが、それらはあくまでも***症状の改善であり、必ずしも腎不全状態すなわち腎機能の低下に効果を示すものではなかった。つまり腎機能の改善と***の改善は直結しないことを示しており、慢性腎不全そのものの治療に課題を残していた。また、一般式(I)で表される化合物を30μg/kg体重以上投与した場合に下痢、嘔吐、鎮静、心拍数の増加等の副作用が生じる場合があることが開示されている。 It is known that a therapeutic agent for uremia containing a compound of the general formula (I) of the present application is effective in treating uremia associated with such chronic renal failure patients (Patent Document 2). In cats, a suitable model for determining uremia, recovery of reduced appetite, improvement of activity, weight gain, etc. are achieved quickly without side effects, but these are only improvements in uremia symptoms, not necessarily kidneys It did not show an effect on the insufficiency state, ie, decrease in renal function. In other words, improvement of renal function and improvement of uremia have not been directly linked, leaving a problem in the treatment of chronic renal failure itself. Further, it is disclosed that side effects such as diarrhea, vomiting, sedation, and increased heart rate may occur when a compound represented by the general formula (I) is administered at 30 μg / kg body weight or more.
特許第3743289号Japanese Patent No. 3743289 特許第5018478号Patent No. 5018478
 本発明は解決しようとする課題は、猫を始めとした哺乳動物の慢性腎不全の治療薬及び処置方法を提供することである。 The problem to be solved by the present invention is to provide a therapeutic agent and a treatment method for chronic renal failure in mammals including cats.
 本発明者らは猫を始めとした哺乳動物の慢性腎不全の治療方法を見出すため、本願一般式(I)で表される化合物を有効成分とした慢性腎不全治療薬の最適な用法、用量を鋭意検討した結果、一般式(I)で表される化合物を、一回あたり55μg投与するか、または一回あたり6~26.4μg/kg投与し、好ましくは30日間以上連続投与することで、有害な副作用を生じさせることなく、SCre、BUN等の腎機能マーカーの数値の上昇を抑制し、安定的に維持されることを見出し、本発明を完成させた。
 すなわち本発明は、
1.一般式(I)
In order to find a method for treating chronic renal failure in mammals including cats, the present inventors have found that the optimal usage and dosage of a therapeutic agent for chronic renal failure comprising the compound represented by the general formula (I) of the present application as an active ingredient As a result of intensive studies, the compound represented by the general formula (I) is administered at a dose of 55 μg per dose, or administered at 6 to 26.4 μg / kg per dose, preferably continuously administered for 30 days or more. The present inventors have found that the increase in the numerical values of renal function markers such as SCre and BUN can be suppressed and maintained stably without causing harmful side effects, and the present invention has been completed.
That is, the present invention
1. Formula (I)
Figure JPOXMLDOC01-appb-C000004
[式中、
は、
(A)COOR、ここでRは、
1)水素または薬理学的に受け入れられる陽イオン、
2)炭素数1~12の直鎖アルキルまたは炭素数3~14の分岐アルキル
3)-Z-R、ここでZは原子価結合、またはC2tで表される直鎖もしくは分岐アルキレンであり、tは1~6の整数を示し、Rは炭素数3~12のシクロアルキルまたはRの1~3個で置換された炭素数3~12の置換シクロアルキルであり、Rは水素または炭素数1~5のアルキル、
4)-(CHCHO)CH、ここで、nは1~5の整数、
5)-Z-Ar、ここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、2-ピリジル、3-ピリジル、4-ピリジル、α-フリル、β-フリル、α-チエニル、β-チエニルまたは置換フェニル(ここで置換基は少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル、フェノキシ、p-アセトアミドベンズアミド、-CH=N-NH-C(=O)NH、-NH-C(=O)-Ph、-NH-C(=O)-CH及び-NH-C(=O)―NHからなる群より選ばれる少なくとも1種)、
6)-C2tCOOR、ここでC2t、Rは前記定義に同じ、
7)C2tN(R、ここでC2t、Rは前記定義に同じ、
8)-CH(R)-C-(=O)-R、ここでRは水素またはベンゾイル、Rはフェニル、p-ブロモフェニル、p-クロロフェニル、p-ビフェニル、p-ニトロフェニル、p-ベンズアミドフェニル、2-ナフチル、
9)-C2p-W-R、ここでWは-CH=CH-、-CH=CR-または-C≡C-である、Rは水素、炭素数1~30の直鎖もしくは分岐アルキルまたは炭素数7~30のアラルキルであり、pは1~5の整数、または、
10)-CH(CHOR、ここでRは炭素数1~30のアルキルまたは炭素数1~30のアシル、
(B)-CHOH、
(C)-C(=O)N(R
ここでRは水素、炭素数1~12の直鎖アルキル、炭素数3~12の分岐アルキル、炭素数3~12のシクロアルキル、炭素数4~13のシクロアルキルアルキレン、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルまたは-SO10を表し、R10は炭素数1~10のアルキル、炭素数3~12のシクロアルキル、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルを表し、2つのRは同一でも異なっていてもよいが、一方が-SO10を表す場合は他のRは-SO10ではないものとする、または、
(D)-CHOTHP(THPはテトラヒドロピラニル基)であり、
Aは、
1)-(CH
2)-CH=CH-CH-、
3)-CH-CH=CH-、
4)-CH-O-CH-、
5)-CH=CH-、
6)-O-CH-または
7)-C≡C-であり、ここでmは1から3の整数を示し、
Yは、水素、炭素数1~4のアルキル、塩素、臭素、フッ素、ホルミル、メトキシまたはニトロであり、
Bは、-X-C(R11)(R12)OR13、ここで、R11は水素または炭素数1~4のアルキルであり、R13は水素、炭素数1~14のアシル、炭素数6~15のアロイル、テトラヒドロピラニル、テトラヒドロフラニル、1-エトキシエチルまたはt-ブチルであり、
Xは、
1)-CH-CH-、
2)-CH=CH-、または
3)-C≡C-であり、
12は、
1)炭素数1~12の直鎖アルキル、炭素数3~14の分岐アルキル、
2)-Z-ArここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、または少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシからなる群より選ばれる少なくとも1種の置換基で置換したフェニル、
3)-C2tOR14、ここでC2tは前記定義に同じ、R14は炭素数1~6の直鎖アルキル、炭素数3~6の分岐アルキル、フェニル、少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシから成る群より選ばれる少なくとも1種の置換基で置換されたフェニル、シクロペンチル、シクロヘキシル、または、炭素数1~4の直鎖アルキルの1~4個で置換されたシクロペンチルまたはシクロヘキシル、
4)-Z-R、ここでZ、Rは前記定義に同じ、
5)-C2t-CH=C(R15)R16、ここでC2tは前記定義に同じ、R15及びR16は互いに独立に水素、メチル、エチル、プロピル若しくはブチル、または
6)-C2u-C≡C-R17、ここでuは1~7の整数であり、C2uは直鎖または分岐アルキレンを表し、R17は炭素数1~6の直鎖アルキルを表し、
Eは、水素または-OR18、ここでR18は炭素数1~12のアシル、炭素数1~15のアロイル若しくはR(ここでRは前記定義に同じ)を表し、
一般式(I)はd体、l体またはdl体を表す]、
で表される化合物を、哺乳動物に一回あたり55μg投与することを特徴とする慢性腎不全治療薬、
2.一般式(I)
Figure JPOXMLDOC01-appb-C000004
[Where:
R 1 is
(A) COOR 2 , where R 2 is
1) hydrogen or a pharmacologically acceptable cation,
2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms,
4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5,
5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, α-naphthyl, β-naphthyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, α-furyl, β-furyl, α-thienyl, β-thienyl or substituted phenyl (wherein the substituent is at least one chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl, phenoxy) , P-acetamidobenzamide, —CH═N—NH—C (═O) NH 2 , —NH—C (═O) —Ph, —NH—C (═O) —CH 3 and —NH—C (= O) at least one selected from the group consisting of —NH 2 ),
6) -C t H 2t COOR 4 , where C t H 2t , R 4 is as defined above,
7) C t H 2t N (R 4 ) 2 , where C t H 2t and R 4 are as defined above,
8) —CH (R 5 ) —C— (═O) —R 6 , where R 5 is hydrogen or benzoyl, R 6 is phenyl, p-bromophenyl, p-chlorophenyl, p-biphenyl, p-nitrophenyl P-benzamidophenyl, 2-naphthyl,
9) —C p H 2p —W—R 7 , where W is —CH═CH—, —CH═CR 7 — or —C≡C—, R 7 is hydrogen, a straight chain having 1 to 30 carbon atoms A chain or branched alkyl or an aralkyl having 7 to 30 carbon atoms, and p is an integer of 1 to 5, or
10) —CH (CH 2 OR 8 ) 2 , wherein R 8 is alkyl having 1 to 30 carbons or acyl having 1 to 30 carbons,
(B) —CH 2 OH,
(C) —C (═O) N (R 9 ) 2 ,
Here, R 9 is hydrogen, linear alkyl having 1 to 12 carbons, branched alkyl having 3 to 12 carbons, cycloalkyl having 3 to 12 carbons, cycloalkyl alkylene having 4 to 13 carbons, phenyl, substituted phenyl ( Here, the substituent has the same meaning as in the case of (A) 5) above, and represents aralkyl having 7 to 12 carbon atoms or —SO 2 R 10 , where R 10 is alkyl having 1 to 10 carbon atoms and 3 to 12 carbon atoms. Cycloalkyl, phenyl, substituted phenyl (wherein the substituent is as defined in the above (A) 5)), aralkyl having 7 to 12 carbon atoms, and two R 9 may be the same or different, When R represents —SO 2 R 10 , the other R 9 is not —SO 2 R 10 , or
(D) —CH 2 OTHP (THP is a tetrahydropyranyl group);
A is
1)-(CH 2 ) m-
2) —CH═CH—CH 2 —,
3) —CH 2 —CH═CH—,
4) —CH 2 —O—CH 2 —,
5) -CH = CH-,
6) —O—CH 2 — or 7) —C≡C—, wherein m represents an integer of 1 to 3,
Y is hydrogen, alkyl having 1 to 4 carbon atoms, chlorine, bromine, fluorine, formyl, methoxy or nitro,
B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 is hydrogen or alkyl having 1 to 4 carbons, and R 13 is hydrogen, acyl having 1 to 14 carbons, carbon Aroyl, tetrahydropyranyl, tetrahydrofuranyl, 1-ethoxyethyl or t-butyl having a number of 6 to 15;
X is
1) —CH 2 —CH 2 —,
2) —CH═CH—, or 3) —C≡C—,
R 12 is
1) straight chain alkyl having 1 to 12 carbon atoms, branched alkyl having 3 to 14 carbon atoms,
2) —Z—Ar 2 wherein Z is as defined above, Ar 2 is phenyl, α-naphthyl, β-naphthyl, or at least one of chlorine, bromine, fluorine, iodine, trifluoromethyl, carbon number 1 Phenyl substituted with at least one substituent selected from the group consisting of alkyl, nitro, cyano, methoxy, phenyl and phenoxy,
3) —C t H 2t OR 14 , wherein C t H 2t is as defined above, R 14 is a linear alkyl having 1 to 6 carbon atoms, a branched alkyl having 3 to 6 carbon atoms, phenyl, at least one Phenyl, cyclopentyl substituted with at least one substituent selected from the group consisting of chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl and phenoxy, Cyclohexyl, or cyclopentyl or cyclohexyl substituted with 1 to 4 of linear alkyl having 1 to 4 carbon atoms,
4) -ZR 3 , where Z and R 3 are as defined above,
5) —C t H 2t —CH═C (R 15 ) R 16 , wherein C t H 2t is as defined above, R 15 and R 16 are independently of each other hydrogen, methyl, ethyl, propyl or butyl, or 6) —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u represents a linear or branched alkylene, and R 17 is a straight chain having 1 to 6 carbon atoms. Represents a chain alkyl,
E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
General formula (I) represents d-form, l-form or dl-form]
A therapeutic agent for chronic renal failure, characterized in that the compound represented by the formula:
2. Formula (I)
Figure JPOXMLDOC01-appb-C000005
[式中、
は、
(A)COOR、ここでRは、
1)水素または薬理学的に受け入れられる陽イオン、
2)炭素数1~12の直鎖アルキルまたは炭素数3~14の分岐アルキル
3)-Z-R、ここでZは原子価結合、またはC2tで表される直鎖もしくは分岐アルキレンであり、tは1~6の整数を示し、Rは炭素数3~12のシクロアルキルまたはRの1~3個で置換された炭素数3~12の置換シクロアルキルであり、Rは水素または炭素数1~5のアルキル、
4)-(CHCHO)CH、ここで、nは1~5の整数、
5)-Z-Ar、ここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、2-ピリジル、3-ピリジル、4-ピリジル、α-フリル、β-フリル、α-チエニル、β-チエニルまたは置換フェニル(ここで置換基は少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル、フェノキシ、p-アセトアミドベンズアミド、-CH=N-NH-C(=O)NH、-NH-C(=O)-Ph、-NH-C(=O)-CH及び-NH-C(=O)―NHからなる群より選ばれる少なくとも1種)、
6)-C2tCOOR、ここでC2t、Rは前記定義に同じ、
7)C2tN(R、ここでC2t、Rは前記定義に同じ、
8)-CH(R)-C-(=O)-R、ここでRは水素またはベンゾイル、Rはフェニル、p-ブロモフェニル、p-クロロフェニル、p-ビフェニル、p-ニトロフェニル、p-ベンズアミドフェニル、2-ナフチル、
9)-C2p-W-R、ここでWは-CH=CH-、-CH=CR-または-C≡C-である、Rは水素、炭素数1~30の直鎖もしくは分岐アルキルまたは炭素数7~30のアラルキルであり、pは1~5の整数、または、
10)-CH(CHOR、ここでRは炭素数1~30のアルキルまたは炭素数1~30のアシル、
(B)-CHOH、
(C)-C(=O)N(R
ここでRは水素、炭素数1~12の直鎖アルキル、炭素数3~12の分岐アルキル、炭素数3~12のシクロアルキル、炭素数4~13のシクロアルキルアルキレン、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルまたは-SO10を表し、R10は炭素数1~10のアルキル、炭素数3~12のシクロアルキル、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルを表し、2つのRは同一でも異なっていてもよいが、一方が-SO10を表す場合は他のRは-SO10ではないものとする、または、
(D)-CHOTHP(THPはテトラヒドロピラニル基)であり、
Aは、
1)-(CH
2)-CH=CH-CH-、
3)-CH-CH=CH-、
4)-CH-O-CH-、
5)-CH=CH-、
6)-O-CH-または
7)-C≡C-であり、ここでmは1から3の整数を示し、
Yは、水素、炭素数1~4のアルキル、塩素、臭素、フッ素、ホルミル、メトキシまたはニトロであり、
Bは、-X-C(R11)(R12)OR13、ここで、R11は水素または炭素数1~4のアルキルであり、R13は水素、炭素数1~14のアシル、炭素数6~15のアロイル、テトラヒドロピラニル、テトラヒドロフラニル、1-エトキシエチルまたはt-ブチルであり、
Xは、
1)-CH-CH-、
2)-CH=CH-、または
3)-C≡C-であり、
12は、
1)炭素数1~12の直鎖アルキル、炭素数3~14の分岐アルキル、
2)-Z-ArここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、または少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシからなる群より選ばれる少なくとも1種の置換基で置換したフェニル、
3)-C2tOR14、ここでC2tは前記定義に同じ、R14は炭素数1~6の直鎖アルキル、炭素数3~6の分岐アルキル、フェニル、少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシから成る群より選ばれる少なくとも1種の置換基で置換されたフェニル、シクロペンチル、シクロヘキシル、または、炭素数1~4の直鎖アルキルの1~4個で置換されたシクロペンチルまたはシクロヘキシル、
4)-Z-R、ここでZ、Rは前記定義に同じ、
5)-C2t-CH=C(R15)R16、ここでC2tは前記定義に同じ、R15及びR16は互いに独立に水素、メチル、エチル、プロピル若しくはブチル、または
6)-C2u-C≡C-R17、ここでuは1~7の整数であり、C2uは直鎖または分岐アルキレンを表し、R17は炭素数1~6の直鎖アルキルを表し、
Eは、水素または-OR18、ここでR18は炭素数1~12のアシル、炭素数1~15のアロイル若しくはR(ここでRは前記定義に同じ)を表し、
一般式(I)はd体、l体またはdl体を表す]、
で表される化合物を、哺乳動物に対して1回あたり6~26.4μg/kg投与することを特徴とする慢性腎不全治療薬、
3.一般式(I)に於いて、
がCOOR、ここでRは、水素または薬理学的に受け入れられる陽イオンであり、Aが-(CH-、ここでmは1から3の整数であり、
Yが水素、
Bが-X-C(R11)(R12)OR13、ここでR11、およびR13は水素であり、
Xが-CH=CH-、であり、
12が-C2u-C≡C-R17、ここでuは1~7の整数、C2uは直鎖または分岐アルキレン、R17は炭素数1~6の直鎖アルキル、
Eは水素または-OR(ここでRは前記定義に同じ)である、1項または2項記載の慢性腎不全治療薬、
4.一般式(I)に於いて
がCOOR、ここでRは、水素またはナトリウムイオンであり、
Aが-(CH-、ここでmは3であり、
Yが水素、
Bが-X-C(R11)(R12)OR13、ここでR11、およびR13は水素であり、
Xが-CH=CH-、であり、
12が-C2u-C≡C-R17、ここでuは2、C2uは分岐アルキレン、R17はメチル、
Eは、-OHである、1項または2項記載の慢性腎不全治療薬、
5.一般式(I)で表される化合物がベラプロストナトリウムである1項または2項記載の慢性腎不全治療薬、
6.前記慢性腎不全治療薬を前記哺乳動物に30日間以上連日投与することを特徴とする、1から5いずれか1項記載の慢性腎不全治療薬、
7.前記慢性腎不全治療薬を前記哺乳動物に60日間以上連日投与することを特徴とする、1から5いずれか1項記載の慢性腎不全治療薬、
8.前記慢性腎不全治療薬を前記哺乳動物に120日間以上連日投与することを特徴とする、1から5いずれか1項記載の慢性腎不全治療薬、
9.前記慢性腎不全治療薬を前記哺乳動物に180日間連続投与することを特徴とする、1から5いずれか1項記載の慢性腎不全治療薬、
10.前記慢性腎不全治療薬を前記哺乳動物に1日2回経口投与することを特徴とした1から9いずれか1項記載の慢性腎不全治療薬、
11.前記哺乳動物が猫であることを特徴とする1から10いずれか1項記載の慢性腎不全治療薬、
12.慢性腎不全による血清クレアチニンもしくは血中尿素窒素値の上昇を抑制、またはその抑制の維持をもたらすことを特徴とする1から11いずれか1項に記載の慢性腎不全治療薬、
13.1から12のいずれか1項に記載の治療薬を、哺乳動物に対して投与することを含む慢性腎不全の治療方法、
14.一回あたり55μg投与するか、または一回あたり6~26.4μg/kg投与することによる慢性腎不全の治療に用いるための、一般式(I)
Figure JPOXMLDOC01-appb-C000005
[Where:
R 1 is
(A) COOR 2 , where R 2 is
1) hydrogen or a pharmacologically acceptable cation,
2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms,
4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5,
5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, α-naphthyl, β-naphthyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, α-furyl, β-furyl, α-thienyl, β-thienyl or substituted phenyl (wherein the substituent is at least one chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl, phenoxy) , P-acetamidobenzamide, —CH═N—NH—C (═O) NH 2 , —NH—C (═O) —Ph, —NH—C (═O) —CH 3 and —NH—C (= O) at least one selected from the group consisting of —NH 2 ),
6) -C t H 2t COOR 4 , where C t H 2t , R 4 is as defined above,
7) C t H 2t N (R 4 ) 2 , where C t H 2t and R 4 are as defined above,
8) —CH (R 5 ) —C— (═O) —R 6 , where R 5 is hydrogen or benzoyl, R 6 is phenyl, p-bromophenyl, p-chlorophenyl, p-biphenyl, p-nitrophenyl P-benzamidophenyl, 2-naphthyl,
9) —C p H 2p —W—R 7 , where W is —CH═CH—, —CH═CR 7 — or —C≡C—, R 7 is hydrogen, a straight chain having 1 to 30 carbon atoms A chain or branched alkyl or an aralkyl having 7 to 30 carbon atoms, and p is an integer of 1 to 5, or
10) —CH (CH 2 OR 8 ) 2 , wherein R 8 is alkyl having 1 to 30 carbons or acyl having 1 to 30 carbons,
(B) —CH 2 OH,
(C) —C (═O) N (R 9 ) 2 ,
Here, R 9 is hydrogen, linear alkyl having 1 to 12 carbons, branched alkyl having 3 to 12 carbons, cycloalkyl having 3 to 12 carbons, cycloalkyl alkylene having 4 to 13 carbons, phenyl, substituted phenyl ( Here, the substituent has the same meaning as in the case of (A) 5) above, and represents aralkyl having 7 to 12 carbon atoms or —SO 2 R 10 , where R 10 is alkyl having 1 to 10 carbon atoms and 3 to 12 carbon atoms. Cycloalkyl, phenyl, substituted phenyl (wherein the substituent is as defined in the above (A) 5)), aralkyl having 7 to 12 carbon atoms, and two R 9 may be the same or different, When R represents —SO 2 R 10 , the other R 9 is not —SO 2 R 10 , or
(D) —CH 2 OTHP (THP is a tetrahydropyranyl group);
A is
1)-(CH 2 ) m-
2) —CH═CH—CH 2 —,
3) —CH 2 —CH═CH—,
4) —CH 2 —O—CH 2 —,
5) -CH = CH-,
6) —O—CH 2 — or 7) —C≡C—, wherein m represents an integer of 1 to 3,
Y is hydrogen, alkyl having 1 to 4 carbon atoms, chlorine, bromine, fluorine, formyl, methoxy or nitro,
B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 is hydrogen or alkyl having 1 to 4 carbons, and R 13 is hydrogen, acyl having 1 to 14 carbons, carbon Aroyl, tetrahydropyranyl, tetrahydrofuranyl, 1-ethoxyethyl or t-butyl having a number of 6 to 15;
X is
1) —CH 2 —CH 2 —,
2) —CH═CH—, or 3) —C≡C—,
R 12 is
1) straight chain alkyl having 1 to 12 carbon atoms, branched alkyl having 3 to 14 carbon atoms,
2) —Z—Ar 2 wherein Z is as defined above, Ar 2 is phenyl, α-naphthyl, β-naphthyl, or at least one of chlorine, bromine, fluorine, iodine, trifluoromethyl, carbon number 1 Phenyl substituted with at least one substituent selected from the group consisting of alkyl, nitro, cyano, methoxy, phenyl and phenoxy,
3) —C t H 2t OR 14 , wherein C t H 2t is as defined above, R 14 is a linear alkyl having 1 to 6 carbon atoms, a branched alkyl having 3 to 6 carbon atoms, phenyl, at least one Phenyl, cyclopentyl substituted with at least one substituent selected from the group consisting of chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl and phenoxy, Cyclohexyl, or cyclopentyl or cyclohexyl substituted with 1 to 4 of linear alkyl having 1 to 4 carbon atoms,
4) -ZR 3 , where Z and R 3 are as defined above,
5) —C t H 2t —CH═C (R 15 ) R 16 , wherein C t H 2t is as defined above, R 15 and R 16 are independently of each other hydrogen, methyl, ethyl, propyl or butyl, or 6) —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u represents a linear or branched alkylene, and R 17 is a straight chain having 1 to 6 carbon atoms. Represents a chain alkyl,
E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
General formula (I) represents d-form, l-form or dl-form]
A therapeutic agent for chronic renal failure, comprising administering 6 to 26.4 μg / kg of a compound represented by the following:
3. In general formula (I),
R 1 is COOR 2 , where R 2 is hydrogen or a pharmacologically acceptable cation, A is — (CH 2 ) m —, where m is an integer from 1 to 3,
Y is hydrogen,
B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 and R 13 are hydrogen;
X is —CH═CH—,
R 12 is —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u is a linear or branched alkylene, R 17 is a linear alkyl having 1 to 6 carbon atoms,
The therapeutic agent for chronic renal failure according to 1 or 2, wherein E is hydrogen or -OR 2 (wherein R 2 is as defined above),
4). In the general formula (I), R 1 is COOR 2 , where R 2 is hydrogen or sodium ion,
A is — (CH 2 ) m —, where m is 3,
Y is hydrogen,
B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 and R 13 are hydrogen;
X is —CH═CH—,
R 12 is —C u H 2u —C≡C—R 17 , where u is 2, C u H 2u is branched alkylene, R 17 is methyl,
E is -OH, The therapeutic agent for chronic renal failure according to 1 or 2,
5. The therapeutic agent for chronic renal failure according to 1 or 2, wherein the compound represented by the general formula (I) is beraprost sodium,
6). The therapeutic agent for chronic renal failure according to any one of 1 to 5, wherein the therapeutic agent for chronic renal failure is administered to the mammal for 30 days or more every day,
7). The therapeutic agent for chronic renal failure according to any one of 1 to 5, wherein the therapeutic agent for chronic renal failure is administered to the mammal for 60 days or more,
8). The chronic renal failure therapeutic agent according to any one of 1 to 5, wherein the chronic renal failure therapeutic agent is administered to the mammal for 120 days or more every day,
9. The chronic renal failure therapeutic agent according to any one of 1 to 5, wherein the chronic renal failure therapeutic agent is continuously administered to the mammal for 180 days,
10. The therapeutic agent for chronic renal failure according to any one of 1 to 9, wherein the therapeutic agent for chronic renal failure is orally administered to the mammal twice a day,
11. The chronic renal failure therapeutic agent according to any one of 1 to 10, wherein the mammal is a cat,
12 The therapeutic agent for chronic renal failure according to any one of 1 to 11, which suppresses an increase in serum creatinine or blood urea nitrogen level due to chronic renal failure or brings about maintenance of the suppression,
13. A method for treating chronic renal failure, comprising administering the therapeutic agent according to any one of 1 to 12 to a mammal,
14 General formula (I) for use in the treatment of chronic renal failure by administering 55 μg at a time or 6-26.4 μg / kg at a time
Figure JPOXMLDOC01-appb-C000006
[式中、
は、
(A)COOR、ここでRは、
1)水素または薬理学的に受け入れられる陽イオン、
2)炭素数1~12の直鎖アルキルまたは炭素数3~14の分岐アルキル
3)-Z-R、ここでZは原子価結合、またはC2tで表される直鎖もしくは分岐アルキレンであり、tは1~6の整数を示し、Rは炭素数3~12のシクロアルキルまたはRの1~3個で置換された炭素数3~12の置換シクロアルキルであり、Rは水素または炭素数1~5のアルキル、
4)-(CHCHO)CH、ここで、nは1~5の整数、
5)-Z-Ar、ここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、2-ピリジル、3-ピリジル、4-ピリジル、α-フリル、β-フリル、α-チエニル、β-チエニルまたは置換フェニル(ここで置換基は少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル、フェノキシ、p-アセトアミドベンズアミド、-CH=N-NH-C(=O)NH、-NH-C(=O)-Ph、-NH-C(=O)-CH及び-NH-C(=O)―NHからなる群より選ばれる少なくとも1種)、
6)-C2tCOOR、ここでC2t、Rは前記定義に同じ、
7)C2tN(R、ここでC2t、Rは前記定義に同じ、
8)-CH(R)-C-(=O)-R、ここでRは水素またはベンゾイル、Rはフェニル、p-ブロモフェニル、p-クロロフェニル、p-ビフェニル、p-ニトロフェニル、p-ベンズアミドフェニル、2-ナフチル、
9)-C2p-W-R、ここでWは-CH=CH-、-CH=CR-または-C≡C-である、Rは水素、炭素数1~30の直鎖もしくは分岐アルキルまたは炭素数7~30のアラルキルであり、pは1~5の整数、または、
10)-CH(CHOR、ここでRは炭素数1~30のアルキルまたは炭素数1~30のアシル、
(B)-CHOH、
(C)-C(=O)N(R
ここでRは水素、炭素数1~12の直鎖アルキル、炭素数3~12の分岐アルキル、炭素数3~12のシクロアルキル、炭素数4~13のシクロアルキルアルキレン、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルまたは-SO10を表し、R10は炭素数1~10のアルキル、炭素数3~12のシクロアルキル、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルを表し、2つのRは同一でも異なっていてもよいが、一方が-SO10を表す場合は他のRは-SO10ではないものとする、または、
(D)-CHOTHP(THPはテトラヒドロピラニル基)であり、
Aは、
1)-(CH
2)-CH=CH-CH-、
3)-CH-CH=CH-、
4)-CH-O-CH-、
5)-CH=CH-、
6)-O-CH-または
7)-C≡C-であり、ここでmは1から3の整数を示し、
Yは、水素、炭素数1~4のアルキル、塩素、臭素、フッ素、ホルミル、メトキシまたはニトロであり、
Bは、-X-C(R11)(R12)OR13、ここで、R11は水素または炭素数1~4のアルキルであり、R13は水素、炭素数1~14のアシル、炭素数6~15のアロイル、テトラヒドロピラニル、テトラヒドロフラニル、1-エトキシエチルまたはt-ブチルであり、
Xは、
1)-CH-CH-、
2)-CH=CH-、または
3)-C≡C-であり、
12は、
1)炭素数1~12の直鎖アルキル、炭素数3~14の分岐アルキル、
2)-Z-ArここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、または少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシからなる群より選ばれる少なくとも1種の置換基で置換したフェニル、
3)-C2tOR14、ここでC2tは前記定義に同じ、R14は炭素数1~6の直鎖アルキル、炭素数3~6の分岐アルキル、フェニル、少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシから成る群より選ばれる少なくとも1種の置換基で置換されたフェニル、シクロペンチル、シクロヘキシル、または、炭素数1~4の直鎖アルキルの1~4個で置換されたシクロペンチルまたはシクロヘキシル、
4)-Z-R、ここでZ、Rは前記定義に同じ、
5)-C2t-CH=C(R15)R16、ここでC2tは前記定義に同じ、R15及びR16は互いに独立に水素、メチル、エチル、プロピル若しくはブチル、または
6)-C2u-C≡C-R17、ここでuは1~7の整数であり、C2uは直鎖または分岐アルキレンを表し、R17は炭素数1~6の直鎖アルキルを表し、
Eは、水素または-OR18、ここでR18は炭素数1~12のアシル、炭素数1~15のアロイル若しくはR(ここでRは前記定義に同じ)を表し、
一般式(I)はd体、l体またはdl体を表す]、
で表される化合物、
である。
Figure JPOXMLDOC01-appb-C000006
[Where:
R 1 is
(A) COOR 2 , where R 2 is
1) hydrogen or a pharmacologically acceptable cation,
2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms,
4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5,
5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, α-naphthyl, β-naphthyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, α-furyl, β-furyl, α-thienyl, β-thienyl or substituted phenyl (wherein the substituent is at least one chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl, phenoxy) , P-acetamidobenzamide, —CH═N—NH—C (═O) NH 2 , —NH—C (═O) —Ph, —NH—C (═O) —CH 3 and —NH—C (= O) at least one selected from the group consisting of —NH 2 ),
6) -C t H 2t COOR 4 , where C t H 2t , R 4 is as defined above,
7) C t H 2t N (R 4 ) 2 , where C t H 2t and R 4 are as defined above,
8) —CH (R 5 ) —C— (═O) —R 6 , where R 5 is hydrogen or benzoyl, R 6 is phenyl, p-bromophenyl, p-chlorophenyl, p-biphenyl, p-nitrophenyl P-benzamidophenyl, 2-naphthyl,
9) —C p H 2p —W—R 7 , where W is —CH═CH—, —CH═CR 7 — or —C≡C—, R 7 is hydrogen, a straight chain having 1 to 30 carbon atoms A chain or branched alkyl or an aralkyl having 7 to 30 carbon atoms, and p is an integer of 1 to 5, or
10) —CH (CH 2 OR 8 ) 2 , wherein R 8 is alkyl having 1 to 30 carbons or acyl having 1 to 30 carbons,
(B) —CH 2 OH,
(C) —C (═O) N (R 9 ) 2 ,
Here, R 9 is hydrogen, linear alkyl having 1 to 12 carbons, branched alkyl having 3 to 12 carbons, cycloalkyl having 3 to 12 carbons, cycloalkyl alkylene having 4 to 13 carbons, phenyl, substituted phenyl ( Here, the substituent has the same meaning as in the case of (A) 5) above, and represents aralkyl having 7 to 12 carbon atoms or —SO 2 R 10 , where R 10 is alkyl having 1 to 10 carbon atoms and 3 to 12 carbon atoms. Cycloalkyl, phenyl, substituted phenyl (wherein the substituent is as defined in the above (A) 5)), aralkyl having 7 to 12 carbon atoms, and two R 9 may be the same or different, When R represents —SO 2 R 10 , the other R 9 is not —SO 2 R 10 , or
(D) —CH 2 OTHP (THP is a tetrahydropyranyl group);
A is
1)-(CH 2 ) m-
2) —CH═CH—CH 2 —,
3) —CH 2 —CH═CH—,
4) —CH 2 —O—CH 2 —,
5) -CH = CH-,
6) —O—CH 2 — or 7) —C≡C—, wherein m represents an integer of 1 to 3,
Y is hydrogen, alkyl having 1 to 4 carbon atoms, chlorine, bromine, fluorine, formyl, methoxy or nitro,
B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 is hydrogen or alkyl having 1 to 4 carbons, and R 13 is hydrogen, acyl having 1 to 14 carbons, carbon Aroyl, tetrahydropyranyl, tetrahydrofuranyl, 1-ethoxyethyl or t-butyl having a number of 6 to 15;
X is
1) —CH 2 —CH 2 —,
2) —CH═CH—, or 3) —C≡C—,
R 12 is
1) straight chain alkyl having 1 to 12 carbon atoms, branched alkyl having 3 to 14 carbon atoms,
2) —Z—Ar 2 wherein Z is as defined above, Ar 2 is phenyl, α-naphthyl, β-naphthyl, or at least one of chlorine, bromine, fluorine, iodine, trifluoromethyl, carbon number 1 Phenyl substituted with at least one substituent selected from the group consisting of alkyl, nitro, cyano, methoxy, phenyl and phenoxy,
3) —C t H 2t OR 14 , wherein C t H 2t is as defined above, R 14 is a linear alkyl having 1 to 6 carbon atoms, a branched alkyl having 3 to 6 carbon atoms, phenyl, at least one Phenyl, cyclopentyl substituted with at least one substituent selected from the group consisting of chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl and phenoxy, Cyclohexyl, or cyclopentyl or cyclohexyl substituted with 1 to 4 of linear alkyl having 1 to 4 carbon atoms,
4) -ZR 3 , where Z and R 3 are as defined above,
5) —C t H 2t —CH═C (R 15 ) R 16 , wherein C t H 2t is as defined above, R 15 and R 16 are independently of each other hydrogen, methyl, ethyl, propyl or butyl, or 6) —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u represents a linear or branched alkylene, and R 17 is a straight chain having 1 to 6 carbon atoms. Represents a chain alkyl,
E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
General formula (I) represents d-form, l-form or dl-form]
A compound represented by
It is.
 本発明の一般式(I)で表される化合物を、一回あたり55μg投与するか、または一回あたり6~26.4μg/kg投与し、好ましくは1日2回、30日間以上連日投与することで、有害な副作用を生じさせることなく、SCre、BUN等の腎機能マーカーの数値の上昇を抑制し、安定化をもたらし、慢性腎不全を改善することができる。 The compound represented by the general formula (I) of the present invention is administered at 55 μg per dose, or administered at 6 to 26.4 μg / kg at a time, preferably twice a day for 30 days or more. Thus, without causing harmful side effects, it is possible to suppress an increase in the numerical values of renal function markers such as SCre and BUN, bring about stabilization, and improve chronic renal failure.
慢性腎不全猫にBPSを1回の投与あたり55μgまたは20μgを1日2回、180日間連日経口投与した場合の体重および一般状態(活動性、食欲、脱水)の経時変化を示す。なお、一般状態は所定の基準に従って予め0~4のスコア化し、獣医師が判断した。各々の図の横軸は投与後の日数を示す。20μg群ではいずれも殆ど改善が見られないが、55μg群では全ての項目で改善している。特に活動性、食欲では55μg群で有意な症状の改善が認められる。The time courses of body weight and general condition (activity, appetite, dehydration) when 55 μg or 20 μg per dose of BPS was orally administered to a cat with chronic renal failure twice daily for 180 days are shown. The general state was scored from 0 to 4 in advance according to a predetermined standard, and was judged by a veterinarian. The horizontal axis of each figure shows the number of days after administration. In the 20 μg group, almost no improvement was observed, but in the 55 μg group, all items improved. Especially in terms of activity and appetite, significant improvement in symptoms is observed in the 55 μg group. 慢性腎不全猫にBPSを1回の投与あたり55μgまたは20μgを1日2回、180日間連日経口投与した場合の腎機能(BUN、SCre、リン/カルシウム比(P/Ca)、血中インドキシル硫酸、血中フェノール)の経時変化を示す。各々の図の横軸は投与後の日数を示す。20μg群でBUN、SCre、P/Ca、インドキシル硫酸、フェノールはいずれも上昇しているが、55μg群は20μg群に比べて上昇が抑制され、その抑制が維持している。特に、20μg群におけるBUN、SCreおよびP/Caは、投与150日から180日にかけての上昇度合いが大きく、投与180日におけるBUN、P/Caは、20μg群で有意に上昇しているのに対し、55μg群では悪化することなく安定的に維持されている。Renal function (BUN, SCre, phosphorus / calcium ratio (P / Ca), blood indoxyl) when 55 μg or 20 μg of BPS is orally administered to a cat with chronic renal failure twice daily for 180 days (Sulfuric acid, blood phenol). The horizontal axis of each figure shows the number of days after administration. In the 20 μg group, BUN, SCre, P / Ca, indoxyl sulfate, and phenol are all increased, but the increase in the 55 μg group is suppressed as compared to the 20 μg group, and the suppression is maintained. In particular, BUN, SCre, and P / Ca in the 20 μg group showed a large increase from 150 to 180 days after administration, whereas BUN and P / Ca on the 180 day administration increased significantly in the 20 μg group. In the 55 μg group, it is stably maintained without deterioration. 慢性腎不全猫にBPSを1回の投与あたり55μgまたは20μgを1日2回、180日間連日経口投与した場合の腎機能(尿比重、尿蛋白/クレアチニン(UPC)、尿中N-アセチル-β-D-グルコサミニダーゼ(NAG)、尿中トランスフォーミング増殖因子β(TGF-β))の経時変化を示す。各々の図の横軸は投与後の日数を示す。20μg群では尿比重、UPCは現状を維持し、尿中NAGは低下、尿中TGF-βは増加した。55μg群では尿中NAGは現状を維持し、UPC及び尿中TGF-βは低下、尿比重は増加した。Renal function (urine specific gravity, urinary protein / creatinine (UPC), urinary N-acetyl-β) when 55 μg or 20 μg of BPS was orally administered to a cat with chronic renal failure twice daily for 180 days -D-glucosaminidase (NAG), urinary transforming growth factor β (TGF-β)) is shown over time. The horizontal axis of each figure shows the number of days after administration. In the 20 μg group, urine specific gravity and UPC were maintained as they were, urinary NAG decreased, and urinary TGF-β increased. In the 55 μg group, urinary NAG maintained the current state, UPC and urinary TGF-β decreased, and urine specific gravity increased. 慢性腎不全猫を用にBPSを1回の投与あたり55μgもしくはプラセボ錠を1日2回、180日間連続投与した臨床試験(二重盲検比較試験)における体重および一般状態(活動性、食欲、脱水)の経時変化を示す。一般状態は所定の基準に従って予め0~4のスコア化し、獣医師が判断した。各々の図の横軸は投与後の日数を示す。プラセボ群では体重の有意な減少、一般状態では活動性で有意な悪化が認められるが、55μg群では体重の維持、活動性の有意な改善、また食欲も有意な改善が認められる。Body weight and general condition (activity, appetite, and dose) in a clinical study (double-blind comparative study) in which 55 μg of BPS per administration or placebo tablet was administered twice daily for 180 days for cats with chronic renal failure (Dehydration) is shown over time. The general condition was scored from 0 to 4 in advance according to a predetermined standard, and was judged by a veterinarian. The horizontal axis of each figure shows the number of days after administration. A significant decrease in body weight is observed in the placebo group, and a significant deterioration in activity is observed in the general state, while a maintenance of weight, a significant improvement in activity, and a significant improvement in appetite are observed in the 55 μg group. 慢性腎不全猫を用にBPSを1回の投与あたり55μgもしくはプラセボ錠を1日2回、180日間連続投与した臨床試験(二重盲検比較試験)における腎機能(BUN、SCre、P/Ca、UPC)の経時変化を示す。プラセボ群では各項目で有意に悪化傾向が認められるが、55μg群では上昇が抑制、安定維持されている。Renal function (BUN, SCre, P / Ca) in a clinical study (double-blind comparative study) in which 55 μg of BPS per administration or placebo tablet was administered twice a day for 180 days in a chronic renal failure cat , UPC). In the placebo group, there is a significant deterioration tendency in each item, but in the 55 μg group, the increase is suppressed and stably maintained.
 本発明の治療薬の有効成分となる一般式(I)で表される化合物のなかでも、
としては、COOH、COONa、COOMeが好ましく、特にCOONaが好ましく、
Aとしては、-(CH-、-(CH-、-CH=CH-、-O-CH-が好ましく、特に-(CH)-が好ましく、
Yとしては、特に水素が好ましく、
Bは、-X-C(R11)(R12)OR13で表され、ここでR11、R13としては特に水素が好ましく、Xとしては、-CH=CH-が好ましく、特にトランス型の-CH=CH-が好ましく、R12としては、ヘキシル、ペンチル、1-メチルプロピル、2-クロロフェニル、プロピルオキシメチル、シクロヘキシル、4-ヘキシン-2-イル、2-メチル-4-ヘキシン-2-イルが好ましく、特に4-ヘキシン-2-イルが好ましく、
Eとしては、特に-OHが好ましい。
Among the compounds represented by the general formula (I) that are active ingredients of the therapeutic agent of the present invention,
R 1 is preferably COOH, COONa or COOMe, particularly preferably COONa,
As A, — (CH 2 ) 2 —, — (CH 2 ) 3 —, —CH═CH—, —O—CH 2 — is preferable, and — (CH 2 ) 3 ) — is particularly preferable.
Y is particularly preferably hydrogen,
B is represented by —X—C (R 11 ) (R 12 ) OR 13 , where R 11 and R 13 are particularly preferably hydrogen, and X is preferably —CH═CH—, particularly trans —CH═CH— is preferred, and R 12 includes hexyl, pentyl, 1-methylpropyl, 2-chlorophenyl, propyloxymethyl, cyclohexyl, 4-hexyn-2-yl, 2-methyl-4-hexyne-2 -Yl is preferred, especially 4-hexyn-2-yl,
E is particularly preferably —OH.
 一般式(I)で表される化合物の好ましい具体的な化合物としては、16-メチル-18,18,19,19-テトラデヒドロ-5,6,7-トリノル-4,8-インタ-m-フェニレンPGI(一般名 ベラプロスト)、16-メチル-18,18,19,19-テトラデヒドロ-5,6、7-トリノル-4,8-インタ-m-フェニレン PGI ナトリウム塩(Sodium rac-(1R,2R,3aS,8bS)-2,3,3a,8b-tetrahydro-2-hydroxy[(E)-(3S,4RS)-3-hydroxy-4-methyloct-1-en-6-]-1H-cyclopenta[b][1]benzofuran-5-butanoate:一般名 ベラプロストナトリウム)などが挙げられるが、中でも好ましくはベラプロストナトリウムである。ただし、これらはあくまでも具体例を示したに過ぎず、これらに限られるものではない。 Preferable specific compounds of the compound represented by the general formula (I) include 16-methyl-18,18,19,19-tetradehydro-5,6,7-trinor-4,8-inter-m- phenylene PGI 2 (common name beraprost), 16-methyl -18,18,19,19- Tetoradehidoro -5,6,7- trinor-4,8-inter -m- phenylene PGI 2 sodium salt (sodium rac- ( 1R, 2R, 3aS, 8bS) -2,3,3a, 8b-tetrahydro-2-hydroxy [(E)-(3S, 4RS) -3-hydroxy-4-methyl-1-en-6-]-1H -Cyclopenta [b] [1] benzofuran-5-butanoate: generic name beraprost sodium) Among them preferably a beraprost sodium. However, these are merely specific examples and are not limited thereto.
 本発明において、一般式(I)で表される化合物、特にベラプロストナトリウムは、長期間安定であるほか、経口投与でのバイオアベイラビリティが高い。このため腎疾患患者、特に慢性腎疾患患者では、長期にわたる服用が求められるため、特に好ましく用いることができる。 In the present invention, the compound represented by the general formula (I), particularly beraprost sodium, is stable for a long period of time and has high bioavailability by oral administration. For this reason, in patients with renal diseases, particularly patients with chronic kidney diseases, since long-term administration is required, it can be particularly preferably used.
 本発明に用いられる上記一般式(I)で表される化合物は公知であり、例えば特公平1-53672号公報、特公平7-5582公報、特開平3-7275号公報、特公平6-62599号公報等に記載されている公知の方法で製造することができる。 The compounds represented by the above general formula (I) used in the present invention are known, for example, Japanese Patent Publication No. 1-53672, Japanese Patent Publication No. 7-5582, Japanese Patent Publication No. 3-7275, Japanese Patent Publication No. 6-62599. It can manufacture by the well-known method described in gazette gazette etc.
 本発明の一般式(I)で表される化合物は単独でも2種以上を組み合わせて用いることもできる。 The compounds represented by the general formula (I) of the present invention can be used alone or in combination of two or more.
 本発明における慢性腎不全とは、機能するネフロン数が減少して、窒素代謝産物の***が不十分になり、生体内部環境の恒常性を維持できなくなった腎の異常機能状態が長期にわたって持続することをいう。具体的には、血液中のSCreやBUN等の腎機能マーカーの数値が持続的な上昇を示す状態あるいは症候群ということができる。 In the present invention, chronic renal failure means that the number of functioning nephrons decreases, the excretion of nitrogen metabolites becomes insufficient, and the abnormal functional state of the kidney, which cannot maintain the homeostasis of the internal environment of the living body, lasts for a long time. That means. Specifically, it can be referred to as a state or syndrome in which the numerical values of renal function markers such as SCre and BUN in blood show a continuous increase.
 前記慢性腎不全の原疾患として、たとえば腎結石、尿路閉塞症、糖尿病性腎症、急性糸球体腎炎および慢性糸球体腎炎、ネフローゼ症候群、多発性嚢胞腎、感染による腎症、ループス腎炎、間質性腎炎、急性尿細管間質性腎炎、慢性尿細管間質性腎炎、肝硬変、肝性浮腫、うっ血性心不全が挙げられる。また、慢性糸球体腎炎である微小糸球体変化性腎炎、巣状/分節状糸球体腎炎、びまん性糸球体腎炎、メサンギウム増殖性糸球体腎炎、びまん性管内性増殖性腎炎、半月体形成性腎炎、びまん性硬化性糸球体腎炎、IgA腎症を原疾患とする***にも有効である。 Examples of the primary diseases of chronic renal failure include kidney stones, urinary tract obstruction, diabetic nephropathy, acute glomerulonephritis and chronic glomerulonephritis, nephrotic syndrome, polycystic kidney disease, nephropathy due to infection, lupus nephritis, Examples include interstitial nephritis, acute tubulointerstitial nephritis, chronic tubulointerstitial nephritis, cirrhosis, hepatic edema, and congestive heart failure. In addition, chronic glomerulonephritis, microglomerular change nephritis, focal / segmental glomerulonephritis, diffuse glomerulonephritis, mesangial proliferative glomerulonephritis, diffuse endoproliferative nephritis, crescent-forming nephritis It is also effective for uremic diseases with diffuse sclerosing glomerulonephritis and IgA nephropathy as primary diseases.
 本発明における治療薬が有効な患者は特に限定されず、前記定義において慢性腎不全と判断されるほ乳類であれば良いが、好ましくは猫、犬または人である。中でも、慢性腎不全に罹患した猫に対して本発明の一般式(I)に含まれるベラプロストナトリウムを治療薬として投与した場合、SCre、BUN等の腎機能マーカーの数値の上昇が抑制、その抑制が維持され、また長期の投与期間中に下痢、嘔吐等の副作用も生じなかったこと、また***の臨床症状にも改善がみられたことから、本発明の治療薬は猫において顕著な効果を示すといえる。 The patient for whom the therapeutic agent in the present invention is effective is not particularly limited, and may be any mammal determined to be chronic renal failure according to the above definition, but is preferably a cat, dog or person. In particular, when beraprost sodium contained in the general formula (I) of the present invention is administered as a therapeutic agent to a cat suffering from chronic renal failure, an increase in numerical values of renal function markers such as SCre and BUN is suppressed. The therapeutic agent of the present invention has a remarkable effect on cats because no side effects such as diarrhea and vomiting occurred during the long-term administration period, and clinical symptoms of uremia were improved. It can be said that it shows.
 本発明の治療薬の有効成分である一般式(I)で表される化合物の投与量としては、1回あたり55μgであるか、または一回あたり6~26.4μg/kgである。本用量を、好ましくは1日2回投与し、30日間以上、好ましくは60日間以上、より好ましくは120日間以上、さらに好ましくは180日間に渡って連続投与することがよいが、これに限定されるものではない。なお、一般式(I)で表される化合物を30μg/kg体重を超えて投与した場合に下痢、嘔吐、鎮静、心拍数の増加等の副作用が生じる場合があることが知られている(特許文献2)ことから、一定用量以上の投与は避けることが好ましい。 The dose of the compound represented by the general formula (I), which is an active ingredient of the therapeutic agent of the present invention, is 55 μg per time or 6 to 26.4 μg / kg per time. This dose is preferably administered twice a day and may be administered continuously for 30 days or longer, preferably 60 days or longer, more preferably 120 days or longer, and even more preferably 180 days, but is not limited thereto. It is not something. In addition, it is known that side effects such as diarrhea, vomiting, sedation, and increased heart rate may occur when the compound represented by formula (I) is administered in excess of 30 μg / kg body weight (patent) From the literature 2), it is preferable to avoid administration of a certain dose or more.
 本発明の医薬品組成物の投与形態としては、各種剤形を使用できるが、具体的には経口投与の場合、錠剤、散剤、細粒剤、顆粒剤、液剤、シロップ剤、カプセル剤、丸剤、スプレー剤とすることができる。さらに成形品をフィルムコーティングしたり、糖衣掛けしたり、カプセル充填したりすることもできる。好ましくは錠剤、散剤、細粒剤、顆粒剤、液剤、シロップ剤、カプセル剤、が挙げられる。また、殺菌溶液等の形で非経口的に投与してもよく、また他の溶質、例えば液を等張にするに十分な塩化ナトリウムまたはグルコース等を用いることもできる。 Various dosage forms can be used as the dosage form of the pharmaceutical composition of the present invention. Specifically, in the case of oral administration, tablets, powders, fine granules, granules, solutions, syrups, capsules, pills. , Can be a spray. Furthermore, the molded product can be film-coated, sugar-coated, or capsule-filled. Preferable examples include tablets, powders, fine granules, granules, liquids, syrups, and capsules. Alternatively, it may be administered parenterally in the form of a bactericidal solution, or other solutes such as sodium chloride or glucose sufficient to make the solution isotonic can be used.
 本発明の治療および予防薬としては上記製剤の他、各種注射剤、坐剤として用いることができる。また、各薬剤の特性によっては、個別に徐放化、放出遅延化等の放出制御させることも可能である。例えば、本薬剤は既存の方法で徐放化機能を付与することも可能であり体内埋め込み型の徐放性ポンプ(例えばアルザミニポンプ)など非経口的にも幅広い投与法を応用できる。さらに、腎疾患は長期治療が必要な慢性疾患であり、医師あるいは獣医師の指導のもとに腎疾患患者用の処方食に本発明の治療薬を予め添加しておくこともできる。また、既存の***治療剤の活性炭製剤と連動して、あるいは同時に、あるいは間隔をおいて経口投与することができる。連続して使用する場合、本発明の治療薬を先行してある一定期間与える場合は、本発明の治療薬からの活性炭製剤の切り替えはほぼ同時に可能である。一方、活性炭製剤から本発明の治療薬に切り替える場合は、一般式(I)で表される化合物が活性炭に吸着され、薬効に影響を及ぼす可能性があるため、適切な休薬期間を設けることが望ましい。 The therapeutic and prophylactic agents of the present invention can be used as various injections and suppositories in addition to the above preparations. In addition, depending on the characteristics of each drug, it is possible to individually control release such as slow release and delayed release. For example, the drug can be provided with a sustained release function by an existing method, and a wide range of administration methods can be applied parenterally such as an implantable sustained release pump (eg, Alzamini pump). Furthermore, renal diseases are chronic diseases that require long-term treatment, and the therapeutic agent of the present invention can be added in advance to a prescription meal for patients with renal diseases under the guidance of a doctor or veterinarian. In addition, it can be orally administered in conjunction with, or simultaneously with, an existing activated carbon preparation for uremic treatment. In the case of continuous use, when the therapeutic agent of the present invention is given for a certain period of time in advance, it is possible to switch the activated carbon preparation from the therapeutic agent of the present invention almost simultaneously. On the other hand, when switching from the activated carbon preparation to the therapeutic agent of the present invention, the compound represented by the general formula (I) may be adsorbed on the activated carbon, which may affect the drug efficacy. Is desirable.
 以下、本発明を実施例および比較例に基づき、より具体的に説明するが、下記実施例に限定されるものではない。 Hereinafter, the present invention will be described more specifically based on examples and comparative examples, but is not limited to the following examples.
 実施例1:ベラプロストナトリウム錠の作製
 本願実施例及び比較例における猫への投与薬物は、一般式(I)で表される化合物として、いずれもベラプロストナトリウム(BPS)を用いて、20μg/錠、40μg/錠、55μg/錠及び150μg/錠のフィルムコーティング錠を以下の方法で作製した。
 基剤粉末(乳糖、デンプン)を攪拌造粒機に投入し、予め調製したBPSと結合剤(ヒプロメロース)の溶液を加えながら攪拌造粒した。造粒物を破砕、乾燥、整粒した乾燥顆粒に滑沢剤(ステアリン酸マグネシウム)を添加し、混合機で混合後、ロータリー型打錠機にて6mm、8Rの杵臼を用いて素錠を得た。得られた素錠をコーティング装置に投入し、予め調製したコーティング液(ポリエチレングリコール、ヒプロメロース)を噴霧しながらコーティングを行った後、カルナウバロウを添加して、フィルムコーティング錠を得た。
Example 1: Preparation of beraprost sodium tablets The drugs administered to cats in the examples and comparative examples of the present invention were both 20 μg / tablet using beraprost sodium (BPS) as the compound represented by the general formula (I), Film-coated tablets of 40 μg / tablet, 55 μg / tablet and 150 μg / tablet were prepared by the following method.
The base powder (lactose, starch) was put into a stirring granulator, and stirring granulation was performed while adding a solution of BPS and binder (hypromellose) prepared in advance. Lubricant (magnesium stearate) is added to the dried granulated granulated product, mixed with a mixer, and then uncoated with a rotary tableting machine using a 6mm, 8R tool. Obtained. The obtained uncoated tablet was put into a coating apparatus, and coating was performed while spraying a previously prepared coating solution (polyethylene glycol, hypromellose), and then carnauba wax was added to obtain a film-coated tablet.
 実施例2:慢性腎不全猫へのベラプロストナトリウム55μg、180日間投与(図1、2、3)
 試験に用いた慢性腎不全に罹患している猫は、試験開始前のSCreが1.6mg/dL以上5.0mg/dL以下、血清総サイロキシン(T)が0.9μg/dL以上3.8μg/dL以下、UPCが2以下、尿比重が1.008以上1.030未満、他薬剤の休薬期間が一定の基準以上であり、飼い主の同意を得たものを選択した。なお、有効症例選択にあたっては、急性腎不全、慢性腎不全の急性憎悪期、慢性心不全(New York Heart Association分類:クラスII、III又はIV)、糖尿病、副腎皮質機能亢進症、***症、猫白血病ウイルス感染症、猫免疫不全ウイルス感染症、猫伝染性腹膜炎、悪性腫瘍、著しい肝機能低下、妊娠、明らかな出血傾向のある猫は除外した。
Example 2: Administration of 55 μg beraprost sodium for 180 days to cats with chronic renal failure (FIGS. 1, 2 and 3)
The cat suffering from chronic renal failure used in the test had an SCre of 1.6 mg / dL to 5.0 mg / dL and a total serum thyroxine (T 4 ) of 0.9 μg / dL to 0.9 μg / dL before the start of the test. 8 μg / dL or less, UPC of 2 or less, urine specific gravity of 1.008 or more and less than 1.030, the withdrawal period of other drugs was above a certain standard, and those with the consent of the owner were selected. In selecting effective cases, acute renal failure, acute exacerbation of chronic renal failure, chronic heart failure (New York Heart Association classification: class II, III or IV), diabetes, hyperadrenocorticism, urinary tract infection, Feline leukemia virus infection, feline immunodeficiency virus infection, feline infectious peritonitis, malignant tumor, markedly decreased liver function, pregnancy, and cats with obvious bleeding tendency were excluded.
 BPSの投与は、実施例1で作製したBPS錠を1回1錠、1日2回、朝夕の食後に経口投与した。試験前に休薬を義務づけた薬剤は試験期間中も使用を禁止し、輸液も禁止した。また、試験を通して食事療法の開始または内容変更をしないこととした。 The BPS was administered orally after the meal in the morning and evening, once a day, once a day for the BPS tablet prepared in Example 1. Drugs requiring withdrawal before the study were prohibited during the study period and infusion was prohibited. We also decided not to start or change the diet throughout the study.
 試験2週間前、投与0、30、60、90、120、150、180日目に体温及び体重を測定し、さらに一般状態(活動性、食欲、脱水)を、以下の基準に従って予め0~4のスコア化し、獣医師が判断した。活動性は0:活発、1:正常、2:軽度低下、3:中等度低下、4:重度低下とし、食欲は0:亢進、1:正常、2:1日の食事量が1/4程度減少、3:1日の食事量が1/2以上減少、週に1日は食べない日あり、4:食べない日が1週間に2~3日以上ありとし、脱水は0:5%未満、1:5%(皮膚のわずかな弾力性低下、粘膜の乾燥)、2:7~8%(皮膚の弾力性の明らかな低下、毛細血管再充填時間(CRT)2~3秒、眼球の僅かな陥没、四肢の冷感、3:10~12%(皮膚の弾力性の消失、CRT3秒以上、著明な眼球陥没、ショック、不随意筋の攣縮、皮膚冷感)、4:12~15%(明らかなショック状態、瀕死状態)とした。 Body temperature and body weight were measured at 0, 30, 60, 90, 120, 150, and 180 days after administration 2 weeks before the test, and the general condition (activity, appetite, dehydration) was preliminarily 0-4 according to the following criteria. Was scored and judged by the veterinarian. Activity is 0: active, 1: normal, 2: mildly decreased, 3: moderately decreased, 4: severely decreased, appetite is 0: enhanced, 1: normal, 2: 1 daily diet is about 1/4 Decreased, 3: 1 daily food consumption reduced by more than 1/2, weekly one day not eaten, 4: non-eaten day more than 2-3 days a week, dehydration less than 0: 5% 1: 5% (slight skin elasticity, mucosal dryness), 2: 7-8% (apparent reduction in skin elasticity, capillary refill time (CRT) 2-3 seconds, ocular Slight depression, limb sensation, 3: 10-12% (disappearance of skin elasticity, CRT 3 seconds or longer, marked eyeball depression, shock, involuntary muscle spasm, skin sensation), 4: 12-15 % (Obvious shock state, moribund state).
 血液検査では、試験2週間前、投与0、30、60、90、120、150、180日目に血液学的検査(赤血球数(RBC)、白血球数(WBC)、血球容積比率(PCV)、ヘモグロビン(Hb))、血液生化学的検査(総蛋白(TP)、アルブミン(Alb)、グロブリン(Glob)、アラニンアミノトランスフェラーゼ(ALT)、アスパラギン酸トランスフェラーゼ(AST)、アルカリフォスファターゼ(ALP)、総コレステロール(Tcho)、総ビリルビン(Tbil)、グルコース(Glu)、BUN、SCre、ナトリウム(Na)、カリウム(K)、クロル(Cl)、カルシウム(Ca)、リン(P))の測定を実施した。また試験2週間前、投与0、90、180日目には尿毒素の指標として血中インドキシル硫酸及び血中フェノール検査(HPLC法)を実施した。 In the blood test, two weeks before the test, hematologic tests (red blood cell count (RBC), white blood cell count (WBC), blood cell volume ratio (PCV), 0, 30, 60, 90, 120, 150, 180 days) Hemoglobin (Hb)), blood biochemical tests (total protein (TP), albumin (Alb), globulin (Glob), alanine aminotransferase (ALT), aspartate transferase (AST), alkaline phosphatase (ALP), total cholesterol (Tcho), total bilirubin (Tbil), glucose (Glu), BUN, SCre, sodium (Na), potassium (K), chlor (Cl), calcium (Ca), phosphorus (P)) were measured. In addition, blood indoxyl sulfate and blood phenol test (HPLC method) was performed as an index of uremic toxin at 0, 90 and 180 days after administration 2 weeks before the test.
 尿検査では、試験2週間前、投与0、30、60、90、120、150、180日目に、試験紙法による尿潜血、尿沈渣による尿細菌、屈折法によるUPC(ピロガロールレッド/ザルコシンオキシダーゼ色素法)、尿中NAG(PNP-NAG method)、尿中TGF-β/クレアチニン比(Multispecies ELISA kit,Invitrogen)検査を実施した。 In urinalysis, two weeks before the test, on days 0, 30, 60, 90, 120, 150, and 180 of administration, urine occult blood by test paper method, urine bacteria by urine sediment, UPC by refraction method (pyrogallol red / sarcosine) Oxidase dye method), urinary NAG (PNP-NAG method), and urinary TGF-β / creatinine ratio (Multispecies ELISA kit, Invitrogen) tests were performed.
 腎機能の評価に用いたBUN、SCre、P/Ca、UPCは糸球体機能のマーカーとして採用した。BUNおよびSCreは、いずれも腎機能の低下により腎臓から排出されずに血中濃度が上昇、P/ Caは腎機能の低下でリンが排出されず濃度が上昇、カルシウムは吸収されにくくなり濃度が低下するため数値は上昇、UPCは腎機能の低下により尿中のタンパク質が増えることにより値が上昇する。インドキシル硫酸とフェノールは尿毒素の指標として採用した。インドキシル硫酸は腎機能の低下により血中濃度が上昇、フェノールは腎不全、***により血中に蓄積して濃度が上昇することが知られている。尿比重、尿中NAGは尿細管のマーカーとして、尿中TGF-βは繊維化及び炎症のマーカーとして採用した。尿比重は腎不全により尿の濃縮能が低下することにより低下し、尿中NAGは尿細管上皮細胞に異常がある場合に上昇する。また尿中TGF-βも腎不全により上昇することが知られている。 BUN, SCre, P / Ca and UPC used for evaluation of renal function were employed as markers for glomerular function. Both BUN and SCre are not excreted from the kidney due to a decrease in renal function, and the blood concentration is increased. P / Ca is increased in concentration due to a decrease in renal function and phosphorus is not excreted. The value increases because of a decrease, and the value of UPC increases due to an increase in protein in urine due to a decrease in renal function. Indoxyl sulfate and phenol were adopted as indicators of uremic toxins. It is known that indoxyl sulfate increases in blood concentration due to a decrease in renal function, and phenol accumulates in blood due to renal failure and uremia and increases in concentration. Urine specific gravity and urinary NAG were used as tubule markers, and urinary TGF-β was used as a fibrosis and inflammation marker. The specific gravity of urine is decreased due to decrease in urine concentration ability due to renal failure, and urinary NAG is increased when tubular epithelial cells are abnormal. Urinary TGF-β is also known to increase due to renal failure.
 また、BPS錠を投与した全ての症例について、死亡例、体温及び体重、一般状態(活動性、食欲、脱水)、血液学的検査、血液生化学的検査、尿検査の結果等、試験中に発現した全ての有害事象についてBPSの投与との因果関係を検証し、安全性を評価した。 In addition, for all cases administered BPS tablets, deaths, body temperature and weight, general condition (activity, appetite, dehydration), hematological examination, blood biochemical examination, urinalysis results, etc. The causal relationship with the administration of BPS was verified for all the adverse events that occurred, and the safety was evaluated.
 前記選別基準を満たし、また除外対象を除いた有効症例の慢性腎不全猫11頭について、BPS 55μg錠を1回1錠(55μg/head)、1日2回経口投与(110μg/head/day)、180日間継続した。 About 11 chronic renal failure cats in the effective cases that meet the above selection criteria and excluding excluded subjects, BPS 55μg tablet once a day (55μg / head), orally administered twice a day (110μg / head / day) , Continued for 180 days.
 図1において、55μg投与群では体重は低下することなく、投与0日目の平均4.26kgから180日目に4.42kgに増加した。一般状態において、活動性は120日目~180日目にスコアが投与0日目の1.30から0.72となり有意に改善した(p=0.0141)。食欲は120~180日目にスコアが投与0日目の1.27から0.72となり有意に改善した(p=0.0427)。脱水はスコアが投与0日目の0.63から30日目に0.45に改善し180日目まで維持された。 In FIG. 1, in the 55 μg administration group, the body weight did not decrease, but increased from an average of 4.26 kg on the administration day 0 to 4.42 kg on the 180th day. In the general state, activity improved significantly from 1.30 on day 0 to 0.72 on days 120 to 180 (p = 0.0141). The appetite improved significantly from 120 to 180 days with a score of 1.27 to 0.72 on day 0 of administration (p = 0.0427). Dehydration improved from 0.63 on day 0 to 0.45 on day 30 and was maintained until day 180.
 図2において、腎機能の評価においては、BUNは55μg投与群で投与0日目の平均28.63mg/dLから30日目に31.27mg/dLに増加したが、150日目まで変動は認められず180日目に31.63mg/dLとなった。180日目の増加率は10.5%であった。SCreは、投与0日目の平均2.10mg/dLから180日目に僅かに増加し2.32mg/dLに至った。180日目の増加率は11.0%であった。P/Caは投与0日目の平均0.50から60日目に0.53に増加したが90日目には0.48に低下し、その後の変動は少なく180日目には0.49になった。血中インドキシル硫酸は、投与0日目の平均2.57μg/mLから90日目には2.80μg/mLに微増したが、180日目に2.65μg/mLに低下した。血中フェノールは投与0日目の平均0.030μg/mLから90日目に0.010μg/mLに低下し、180日目には0.009μg/mLに低下した。 In FIG. 2, in the evaluation of renal function, BUN increased from an average of 28.63 mg / dL on the 0th day to 31.27 mg / dL on the 30th day in the 55 μg administration group, but variation was observed until the 150th day. It was 31.63 mg / dL on the 180th day. The increase rate on the 180th day was 10.5%. SCre slightly increased from 2.10 mg / dL on day 0 of administration to 2.32 mg / dL on day 180. The increase rate on the 180th day was 11.0%. P / Ca increased from an average of 0.50 on the 0th day to 0.53 on the 60th day, but decreased to 0.48 on the 90th day, followed by little fluctuation and 0.49 on the 180th day. Became. The blood indoxyl sulfate slightly increased from an average of 2.57 μg / mL on day 0 to 2.80 μg / mL on day 90, but decreased to 2.65 μg / mL on day 180. Blood phenol decreased from an average of 0.030 μg / mL on day 0 to 0.010 μg / mL on day 90 and to 0.009 μg / mL on day 180.
 図3において、尿比重は投与0日目の平均1.024から毎月増加し180日目に1.027となった。UPCは投与0日目の平均0.136から30日目に0.060に低下し60日目に0.149に増加したが90日目に0.088に低下、その後変動は少なく180日目には0.070に低下した。尿中NAGは投与0日目の平均4.38から30日目に3.165に低下し90日目に6.436に増加した。120日目に3.933に低下し、その後変動は少なかったが180日目に4.65に増加した。尿中TGF-βは投与0日目の平均966.77から90日目の942.738まで変動は少なく120日目に1190.959と増加したが150日目に945.592に低下し、180日目には668.23に低下した。 In FIG. 3, the urine specific gravity increased from an average of 1.024 on the 0th day of administration every month to 1.027 on the 180th day. UPC decreased from an average of 0.136 on day 0 to 0.060 on day 30 and increased to 0.149 on day 60, but decreased to 0.088 on day 90. Decreased to 0.070. Urinary NAG decreased from an average of 4.38 on day 0 to 3.165 on day 30 and increased to 6.436 on day 90. It decreased to 3.933 on the 120th day, and then increased to 4.65 on the 180th day with little fluctuation. Urinary TGF-β showed little variation from the average of 966.77 on day 0 to 942.738 on day 90, increased to 11.90.959 on day 120, but decreased to 9455.592 on day 150, 180 On day, it dropped to 668.23.
 本実施例のBPS 55μg投与群は猫の体重あたりの用量に換算すると8.6~21.2μg/kg(17.2~42.4μg/kg/day)であり、臨床症状の改善および腎機能マーカーの上昇抑制、安定維持に効果が認められた。 The BPS-55 μg administration group of this example is 8.6 to 21.2 μg / kg (17.2 to 42.4 μg / kg / day) in terms of the dose per body weight of cats, which improves clinical symptoms and renal function An effect was observed in suppressing the rise of the marker and maintaining stability.
 試験期間中の安全性評価について一般状態、血球検査、血液化学検査、尿検査、尿毒物質等にBPSの投与による有害的な変動は認められず、獣医師及び飼い主による観察においてもBPSの関与が疑われる有害事象は認められなかった。 Regarding the safety evaluation during the test period, no adverse changes due to the administration of BPS were observed in the general state, blood cell test, blood chemistry test, urine test, uremic substance, etc., and BPS was also involved in observation by veterinarians and owners There were no suspected adverse events.
 比較例1:慢性腎不全猫へのベラプロストナトリウム20μg、180日間投与(図1、2、3)
 試験方法は、実施例2に記載の方法に従った。前記選別基準を満たし、また除外対象を除いた有効症例の慢性腎不全猫10頭について、BPS 20μg錠を1回1錠(20μg/head)、1日2回経口投与(40μg/head/day)、180日間継続し、実施例2の試験結果と比較検証した。
Comparative Example 1: Administration of 20 μg of beraprost sodium for 180 days to cats with chronic renal failure (FIGS. 1, 2, and 3)
The test method followed the method described in Example 2. About 10 chronic cases of chronic renal failure cats that satisfy the above selection criteria and excluding excluded subjects, BPS 20 μg tablet once a day (20 μg / head) orally twice a day (40 μg / head / day) , Continued for 180 days and compared with the test results of Example 2.
 図1において、20μg投与群では体重は、投与0日目の平均3.46kgから60日目には3.31kgに低下し、180日目には元の体重に戻った。30、60、180日目で実施例2の55μg投与群との間に有意差が認められた(各々p=0.0474、p=0.0350、p=0.0491)。一般状態において、活動性は30日目にスコアが投与0日目の1.30から1.10に改善したが、その後は変動がみられなかった。食欲は90日目にスコアが投与0日目の1.30から1.00に改善したが、その後悪化し1.20に戻った。脱水はスコアが投与0日目の0.70から60日目に0.80に悪化し、その後180日目に0.60に改善した。以上のように体重および一般状態ではすべてにおいて55μg投与群が20μg投与群に比較して改善効果が高かった。 In FIG. 1, in the 20 μg administration group, the body weight decreased from an average of 3.46 kg on the administration day 0 to 3.31 kg on the 60th day, and returned to the original weight on the 180th day. Significant differences were found between the 55 μg administration group of Example 2 on days 30, 60, and 180 (p = 0.0474, p = 0.0350, and p = 0.0491, respectively). In general conditions, activity improved from 1.30 on day 0 to 1.10 on day 30 but did not change thereafter. On the 90th day, the appetite improved from 1.30 on the 0th day to 1.00, but then deteriorated and returned to 1.20. Dehydration score worsened from 0.70 on day 0 to 0.80 on day 60 and then to 0.60 on day 180. As described above, in all body weight and general conditions, the improvement effect was higher in the 55 μg administration group than in the 20 μg administration group.
 図2において、20μg投与群の腎機能の評価では、BUNが投与0日目の平均44.90mg/dLから30日目に38.60mg/dLに低下したが、60日目に40.1mg/dLに増加し150日目まで変動は認められなかったが、180日目に49.40mg/dLに増加した。0日目及び180日目ともに実施例2の55μg錠投与群より高値であり、群間に有意差が認められた(各々p=0.0413、p=0.0266)。また180日目の増加率は16.1%であった。SCreは、投与0日目の平均2.58mg/dLから150日目まで2.65mg/dLと変動は少なかったが180日目には3.14mg/dLに増加した。180日目の増加率は21.7%であった。P/Caは投与0日目の平均0.54から150日目まで0.56と変動は少なかったが180日目に0.64まで増加した。実施例2の55μg錠投与群と比較して180日目に群間に有意差が認められた(p=0.0396)。血中インドキシル硫酸は、投与0日目の平均4.80μg/mLから90日目は4.70μg/mLと変動は少なかったが、180日目に10.33μg/mLに増加した。血中フェノールは投与0日目の平均0.008μg/mLから90日目に0.030μg/mLに増加し、180日目には0.046μg/mLに増加した。 In FIG. 2, in the evaluation of renal function in the 20 μg administration group, BUN decreased from an average of 44.90 mg / dL on day 0 to 38.60 mg / dL on day 30, but 40.1 mg / dL on day 60. It increased to dL and did not change until day 150, but increased to 49.40 mg / dL on day 180. On day 0 and day 180, the values were higher than those in the 55 μg tablet administration group of Example 2, and significant differences were observed between the groups (p = 0.0413 and p = 0.0266, respectively). The increase rate on the 180th day was 16.1%. SCre was little changed from 2.58 mg / dL on day 0 to 2.65 mg / dL from day 150 to 150 days, but increased to 3.14 mg / dL on day 180. The increase rate on the 180th day was 21.7%. P / Ca averaged from 0.54 on the 0th day to 0.56 from the 150th day to 0.56, but increased to 0.64 on the 180th day. Compared with the 55 μg tablet administration group of Example 2, a significant difference was observed between the groups on the 180th day (p = 0.0396). The blood indoxyl sulfate level changed from an average of 4.80 μg / mL on day 0 to 4.70 μg / mL on day 90, but increased to 10.33 μg / mL on day 180. Blood phenol increased from an average of 0.008 μg / mL on day 0 to 0.030 μg / mL on day 90 and to 0.046 μg / mL on day 180.
 図3において、20μg投与群の尿比重は投与0日目の平均1.021から120日目までに1.023に増加したが、その後低下し180日目に1.021となり元に戻った。UPCは投与0日目の平均0.135から90日目に0.103に低下し120日目に0.128に増加した。150日目に0.086に低下したが180日目に0.160に増加した。尿中NAGは投与0日目の平均7.555から90日目に9.751に増加したが120日目から一転低下傾向となり180日目には2.697に低下した。尿中TGF-βは投与0日目の平均391.69から毎月増加し、150日目には1216.284まで増加し180日目に880.37に低下した。 In FIG. 3, the urine specific gravity of the 20 μg administration group increased from an average of 1.021 on the 0th day to 1.023 by the 120th day, but then decreased and returned to 1.021 on the 180th day. UPC decreased from an average of 0.135 on day 0 to 0.103 on day 90 and increased to 0.128 on day 120. It decreased to 0.086 on the 150th day but increased to 0.160 on the 180th day. Urinary NAG increased from an average of 7.555 on the 0th day to 9.751 on the 90th day, but decreased from 120th day to 2.697 on the 180th day. Urinary TGF-β increased monthly from an average of 391.69 on day 0 of administration, increased to 121.284 on day 150, and decreased to 880.37 on day 180.
 本比較例のBPS20μg投与群と実施例2の55μg投与群を比較すると、20μg投与群ではBUN及びSCreは各々上昇したのに対し、55μg投与群では変動がわずかであり安定的に維持された。これは、55μg投与群の糸球体濾過量(GFR)が試験期間を通じて維持されていた可能性を示唆するものである。またGFRの低下に伴いリンの排せつは減少するためP/Caは上昇するが、20μg投与群でPの上昇によりP/Caが上昇したのに対し55μg投与群では低下し、180日目には有意差が認められたことからも、糸球体に対してBPSが保護的に作用したものと推察された。また、55μg投与群においてはインドキシル硫酸は維持されフェノールは低下したが、20μg投与群ではいずれも上昇したことからBPS 55μgの投与により尿毒物質の蓄積が抑制された可能性が示唆された。  When comparing the BPS 20 μg administration group of this comparative example and the 55 μg administration group of Example 2, the BUN and SCre increased in the 20 μg administration group, while the fluctuations were slight and remained stable in the 55 μg administration group. This suggests that the glomerular filtration rate (GFR) of the 55 μg administration group was maintained throughout the test period. In addition, phosphorus excretion decreases as GFR decreases, so P / Ca increases, but P / Ca increases due to an increase in P in the 20 μg administration group, whereas it decreases in the 55 μg administration group, and on day 180 From the fact that a significant difference was observed, it was speculated that BPS acted protectively on the glomeruli. In addition, indoxyl sulfate was maintained and phenol decreased in the 55 μg-administered group, but both increased in the 20 μg-administered group, suggesting the possibility that the accumulation of uremic substances was suppressed by administration of 55 μg of BPS.
 本比較例で投与されたBPSは猫の体重あたりの用量に換算すると3.8~11.1μg/kg(7.6~22.2μg/kg/day)であったが、実施例2の8.6~21.2μg/kg(17.2~42.4μg/kg/day)投与と比較した場合、各臨床症状の改善効果や腎機能マーカーの上昇抑制、安定化について、いずれも実施例2の用量で高い効果を示した。 The BPS administered in this comparative example was 3.8 to 11.1 μg / kg (7.6 to 22.2 μg / kg / day) in terms of the dose per weight of the cat. As compared with administration of .6 to 21.2 μg / kg (17.2 to 42.4 μg / kg / day), both of the improvement effect of each clinical symptom, suppression of increase in renal function marker, and stabilization were all described in Example 2. The dose was highly effective.
 実施例3:慢性腎不全猫での臨床試験(プラセボ投与群およびBPS 55μg投与群の二重盲検比較試験、180日間投与、図5)
 試験に用いた慢性腎不全猫は、急性憎悪期を除くInternational Renal Interest Society(IRIS)のステージII中期~ステージIII中期であり、SCre値が2.0~4.0mg/dL、UPCが1.5未満、尿比重が1.008~1.030、T4が0.9~3.8μg/dL、利尿剤、強心剤、活性炭製剤、プロスタグランディン製剤等の薬剤を使用している場合は一定期間前に投与を停止したものを選択した。また、急性腎不全、慢性心不全(New York Heart Associaton分類:クラスII、IIIまたはIV)、糖尿病、副腎皮質機能亢進症、***症:尿細菌陽性、猫白血病ウイルス感染症、猫免疫不全ウイルス感染症、猫伝染性腹膜炎、悪性腫瘍、肝機能低下、妊娠ないし妊娠の可能性、出血傾向が認められる猫は除外した。
Example 3: Clinical study in cats with chronic renal failure (double-blind comparative study of placebo administration group and BPS 55 μg administration group, administration for 180 days, FIG. 5)
The chronic renal failure cat used in the study was from the middle stage II to the middle stage III of the International Renal Society Society (IRIS) excluding the acute exacerbation period, with an SCre value of 2.0 to 4.0 mg / dL and a UPC of 1. Less than 5, urine specific gravity is 1.008 to 1.030, T4 is 0.9 to 3.8μg / dL, diuretic, cardiotonic agent, activated carbon preparation, prostaglandin preparation, etc. for a certain period Those that had previously stopped administration were selected. In addition, acute renal failure, chronic heart failure (New York Heart Associateton classification: class II, III or IV), diabetes, hyperadrenocorticism, urinary tract infection: urinary bacteria positive, feline leukemia virus infection, feline immunodeficiency virus Excluded were cats with infections, feline infectious peritonitis, malignant tumors, decreased liver function, pregnancy or possibility of pregnancy, and bleeding tendency.
 臨床試験に用いたBPS錠は、実施例1と同様の方法で作製したBPSが55μg含有した錠剤であり、これに対してプラセボ錠はBPSを含まない以外は実施例1と同様の方法で作製したBPS不含の錠剤である。 The BPS tablet used in the clinical trial was a tablet containing 55 μg of BPS prepared by the same method as in Example 1, whereas the placebo tablet was prepared by the same method as in Example 1 except that it did not contain BPS. BPS-free tablets.
 BPSおよびプラセボ錠の投与は1回1錠、1日2回、朝晩の食後に経口投与した。試験期間中は利尿剤、強心剤、球形吸着炭および活性炭、血液製剤、ヨード造影剤、プロスタグランディン製剤、副腎皮質ホルモン剤、非ステロイド系抗炎症薬の投与を禁止とし、また血圧降下剤の用法用量変更並びに新規投与は不可とした。また、原則として輸液は禁止、食事療法については新たに開始または変更をしないこととした。 BPS and placebo tablets were orally administered once a day, twice a day, after morning and evening meals. During the study period, administration of diuretics, cardiotonic agents, spherical adsorbed charcoal and activated carbon, blood products, iodine contrast media, prostaglandin products, corticosteroids, non-steroidal anti-inflammatory drugs is prohibited, and use of antihypertensive drugs Dose change and new administration were not allowed. In principle, infusion is prohibited, and dietary treatment is not newly started or changed.
 試験2週間前、0、30、60、90、120、150、180日目に体温および体重を測定し、一般状態について予め設定した0~4のスコアに基づいて判断した。なお、スコア基準は実施例2に記載する内容と同様である。 2 weeks before the test, body temperature and body weight were measured on days 0, 30, 60, 90, 120, 150, and 180, and the general condition was judged based on a score of 0 to 4 set in advance. The score criterion is the same as that described in the second embodiment.
 血液検査は試験2週間前、1週間前、0、30、60、90、120、150、180日目に血液学検査(RBC、WBC、PCV、Hb、TP、Alb、Glob、ALT、AST、ALP、Tcho、Tbil、Glu、BUN、SCre、Na、K、Cl、Ca、P)を実施した。 Hematology tests (RBC, WBC, PCV, Hb, TP, Alb, Glob, ALT, AST, 2 weeks before the test, 1 week before the test, 0, 30, 60, 90, 120, 150, 180 days) ALP, Tcho, Tbil, Glu, BUN, SCre, Na, K, Cl, Ca, P) were performed.
 尿検査は試験2週間前、0、30、60、90、120、150、180日目に尿潜血、尿細菌、尿比重、UPC、NAGの検査を実施した。 The urine test was performed for urine occult blood, urine bacteria, urine specific gravity, UPC, and NAG at 0, 30, 60, 90, 120, 150, and 180 days two weeks before the test.
 有効性の評価では、前述の選択基準および除外基準を満たす症例で、90日以上試験を継続した症例を有効性評価の対象とし解析を行った。但し、90日に満たず試験を中止した悪化中止または無効中止例は解析対象とした。試験期間中に併用禁止薬を使用した又は併用制限薬および併用制限療法の規定に従わなかった症例については、遵守違反前までのデータを、途中中止症例については中止前までのデータを、Last Observation Carried forward(最終の観測値を最後まで引き延ばす)法を用いて採用した。また、試験中に禁止、制限事項から逸脱した症例については、その内容が試験結果に影響がないと考えられる症例ついては有効解析対象とした。結果的に、有効解析対象はBPS 55μg投与群31例、プラセボ群30例、計61例となった。 In the evaluation of effectiveness, analysis was performed on cases satisfying the above-mentioned selection criteria and exclusion criteria, which had been tested for 90 days or longer, as targets for the effectiveness evaluation. However, cases of worsening or invalidation that were canceled for less than 90 days and were canceled were included in the analysis. For cases where prohibited combination drugs were used during the study period, or for those who did not comply with the restrictions on combination restriction drugs and combination restriction therapy, data before breach of compliance, data prior to cancellation for cases discontinued, and Last Observation Employed using the Carried forward method (extending the last observed value to the end). In addition, for cases that deviated from prohibited or restricted items during the study, those cases whose contents were considered to have no effect on the study results were included in the effective analysis. As a result, the effective analysis subjects were 31 cases of BPS 55 μg administration group, 30 cases of placebo group, 61 cases in total.
 図4において、体重はプラセボ群で180日目に有意な減少(p<0.0001)がみられたが、55μg投与群では安定に維持された。一般状態の評価において、活動性のスコアはプラセボ群で180日目に有意な増加(p=0.0010)が認められたが、55μg投与群では180日目に有意に減少(p=0.0417)し、群間に有意差(p=0.0360)が認められた。食欲のスコアは55μg投与群で180日目に有意な改善(p=0.0062)がみられ、90~180日目まで群間に有意差が認められた(各々p=0.0430、p=0.0484、p=0.0057、p=0.0032)。脱水のスコアは両群とも有意な変動はなかったが、30~180日目に群間に有意差が認められた(各々p=0.0202、p=0.0213、p=0.0132、p=0.0396、p=0.0104)。 4. In FIG. 4, body weight was significantly decreased (p <0.0001) on the 180th day in the placebo group, but remained stable in the 55 μg administration group. In the assessment of general condition, the activity score was significantly increased (p = 0.010) on day 180 in the placebo group, but decreased significantly on day 180 in the 55 μg group (p = 0.0). 0417), and a significant difference (p = 0.0360) was recognized between the groups. The appetite score improved significantly on day 180 in the 55 μg-administered group (p = 0.0062), and a significant difference was observed between groups from day 90 to day 180 (p = 0.0430 and p, respectively). = 0.0484, p = 0.0057, p = 0.0032). The dehydration score did not change significantly in either group, but significant differences were observed between groups on days 30 to 180 (p = 0.0202, p = 0.0213, p = 0.0132, respectively). p = 0.0396, p = 0.0104).
 図5の腎機能の評価においては、BUNでプラセボ群に180日目で有意な増加(p<0.0001)が見られ、60~180日目まで群間に有意差が認められた(各々p=0.0237、p=0.0027、p=0.0034、p=0.0043、p=0.0037)。SCreでは、プラセボ群で180日目に有意な増加(p=0.0010)がみられ、30~180日目まで群間に有意差が認められた(各々p=0.0256、p=0.0310、p=0.0263、p=0.0249、p=0.0130、p=0.0110)。UPCでは、プラセボ群に180日目に有意な増加(p=0.0165)が見られ、60~150日目に群間に有意差が認められた(各々p=0.0414、p=0.0093、p=0.0257、p=0.0267)。P/Caにおいては、プラセボ群で180日目に有意な増加が認められた(p=0.0067)。 In the evaluation of renal function in FIG. 5, a significant increase (p <0.0001) was observed in the placebo group at day 180 with BUN, and a significant difference was observed between groups from day 60 to day 180 (each p = 0.0237, p = 0.0027, p = 0.0034, p = 0.0043, p = 0.0037). In SCre, a significant increase (p = 0.010) was observed on day 180 in the placebo group, and a significant difference was observed between the groups from day 30 to day 180 (p = 0.0256, p = 0, respectively). 0.0310, p = 0.0263, p = 0.0249, p = 0.0130, p = 0.0110). In UPC, a significant increase (p = 0.0165) was observed in the placebo group on day 180, and significant differences were observed between groups on days 60-150 (p = 0.0414, p = 0, respectively). .0093, p = 0.0257, p = 0.0267). In P / Ca, a significant increase was observed on day 180 in the placebo group (p = 0.0007).
 本実施例のBPS 55μg投与群に投与されたBPSは体重あたりの用量に換算すると、6.0~26.4μg/kg(12.0~52.9μg/kg/day)であり、実施例2とほぼ同様の用量において、慢性腎不全猫の一般状態の改善および腎機能マーカーの上昇抑制、安定化に高い効果を示した。 The BPS administered to the BPS-55 μg administration group of this example is 6.0 to 26.4 μg / kg (12.0 to 52.9 μg / kg / day) in terms of the dose per body weight. At approximately the same dose as above, it was highly effective in improving the general condition of cats with chronic renal failure and suppressing and stabilizing the increase in renal function markers.
 実施例4:健常猫による安全性検討
 臨床的および血液検査にて異常のみられない3~6歳齢の猫にBPS 0、10、30、70、100μg/kgの投与量で1日2回、7日間連続で経口投与した。各投与群は雌雄各4頭で計8頭、0μg/kg(コントロール群)は4頭使用した。投与期間中に臨床症状、血液(RBC、WBC、PCV、Hb、Plat)および血液生化学検査(AST、ALT、TP、BUN、SCre、Na、K,Cl、Ca、IP)、血圧および心拍数を測定した。検査値の解析はStat View J-4.5(Abacus Concepts)を用いて対応のあるt検定で両側5%未満を有意差ありとした。
Example 4: Safety study with healthy cats 3-6 year old cats with no abnormalities in clinical and blood tests at doses of BPS 0, 10, 30, 70, 100 μg / kg twice a day, Orally administered for 7 consecutive days. In each administration group, 4 males and 4 females were used, and a total of 8 were used and 0 μg / kg (control group) was used. Clinical symptoms, blood (RBC, WBC, PCV, Hb, Plat) and blood biochemistry (AST, ALT, TP, BUN, SCre, Na, K, Cl, Ca, IP), blood pressure and heart rate during the administration period Was measured. The analysis of the test values was performed by using Stat View J-4.5 (Abacus Concepts) with a paired t-test with a significant difference of less than 5% on both sides.
 試験の結果、臨床症状においては10、30μg/kg投与群で有害事象は認められなかった。70μg/kg群では3/8例に投与2~6日目において下痢、嘔吐、鎮静などが散発的に認められた。また100μg/kg群では投与開始および2日目から嘔吐、下痢、鎮静が全ての猫に出現し投与期間中継続した。これらの有害事象は投与終了とともに速やかに回復した。血液検査の各項目ではいずれの投与群においてもBPSの投与前後で著明な変動は認められなかった。血液化学検査においては、 TPおよび電解質の変動は認められなかったが、BUN、SCre、AST、ALT値で変動が認められた。BUNはBPSの投与で低下する傾向が認められ、SCreにおいては30~100μg/kg投与時に有意な低下が認められた。ASTは30μg/kg以上の投与で低下する傾向が認められ、ALTにおいてもBPSの投与で低下、特に70μg/kg群で低下する傾向が認められた。血圧、心拍数では、反復投与による有意な変動が認められなかったため、7日間の平均値を個体値として解析した。収縮期血圧および拡張期血圧でいずれもBPSの投与で低下する傾向が認められたが統計的な有意差は認められなかった。心拍数は用量依存的に増加が認められ、30μg/kg以上の投与群でコントロール群との有意差が認められた。 As a result of the test, no adverse events were observed in the clinical symptoms in the 10, 30 μg / kg administration group. In the 70 μg / kg group, diarrhea, vomiting, sedation, etc. were sporadically observed on 2 to 6 days after administration in 3/8 patients. In the 100 μg / kg group, vomiting, diarrhea, and sedation appeared in all cats from the start of administration and from the second day, and continued during the administration period. These adverse events recovered rapidly with the end of treatment. In each blood test item, no significant change was observed before and after administration of BPS in any administration group. In blood chemistry tests, changes in sputum TP and electrolytes were not observed, but changes were observed in BUN, SCre, AST, and ALT values. BUN tended to decrease with the administration of BPS, and SCre showed a significant decrease when administered with 30 to 100 μg / kg. AST showed a tendency to decrease with administration of 30 μg / kg or more, and ALT also showed a tendency to decrease with administration of BPS, particularly in the 70 μg / kg group. In blood pressure and heart rate, no significant change was observed due to repeated administration, and therefore the average value for 7 days was analyzed as an individual value. Both systolic blood pressure and diastolic blood pressure tended to decrease with administration of BPS, but no statistically significant difference was observed. The heart rate increased in a dose-dependent manner, and a significant difference from the control group was observed in the administration group of 30 μg / kg or more.
 以上の結果から、健常な猫において臨床症状が安定し血行動態に影響を及ぼさずに連続投与可能なBPSの最大投与量は30μg/kg程度であると推定された。 Based on the above results, it was estimated that the maximum dose of BPS that can be continuously administered in healthy cats with stable clinical symptoms and without affecting hemodynamics is about 30 μg / kg.
Figure JPOXMLDOC01-appb-T000007
Figure JPOXMLDOC01-appb-T000007
 比較例2:慢性腎不全猫の体重あたりの投与量および投与期間による効果の検証
 慢性腎不全の猫にBPSを1日2回、連日経口投与した場合の効果について、投与量を猫の体重kgあたりに換算した場合とその投与期間で比較検証した結果を表2に示す。
Comparative Example 2: Verification of the effect of dose and administration period per body weight of cats with chronic renal failure About the effect when BPS was orally administered twice a day to cats with chronic renal failure Table 2 shows the results of comparison and verification in the case of conversion to the per unit and the administration period.
 BPSの1回の投与量が体重kgあたり3.8~11.1μg/kgで180日間連続投与した場合には[試験B:比較例1]、投与180日目のBUNの増減率が16.1%、SCreの増減率は21.7%であり、BPS非投与[試験A:実施例3]に比較して腎機能腎機能の低下が抑制されている。また体重や臨床症状(活動性、食欲、脱水)の改善も認められた。BPSの1回の投与量が体重kgあたり6.0~26.4μg/kgで180日間連続投与した場合には[実施例2(試験E)、実施例3(試験D)]、投与180日目のBUNの増減率が5.3~10.5%、SCreの増減率が2.9~11.0%と腎機能の低下抑制の効果がより高く、また体重や臨床症状の改善も顕著であることから、BPSは慢性腎不全に対して用量依存的な効果を示していることが示唆されている。一方で同用量で56日間の短期間投与した場合には、臨床症状に改善を認めたものの、腎機能マーカーはいずれも高値維持、または上昇を示したことから、BPSは長期間の連続投与によってより高い効果を示す傾向があると考えられる。 When a single dose of BPS was continuously administered for 180 days at a dose of 3.8 to 11.1 μg / kg body weight [Test B: Comparative Example 1], the BUN increase / decrease rate on the 180th day of administration was 16. The increase / decrease rate of SCre is 11.7% and 21.7%, and the decrease in renal function kidney function is suppressed as compared with non-administration of BPS [Test A: Example 3]. Improvements in body weight and clinical symptoms (activity, appetite, dehydration) were also observed. When BPS is administered at a dose of 6.0 to 26.4 μg / kg body weight for 180 days continuously [Example 2 (Test E), Example 3 (Test D)], 180 days after administration The rate of increase / decrease in BUN in the eyes is 5.3-10.5%, and the rate of increase / decrease in SCre is 2.9-11.0%. Therefore, it is suggested that BPS has a dose-dependent effect on chronic renal failure. On the other hand, when the same dose was administered for a short period of 56 days, clinical symptoms improved, but the renal function markers all remained high or increased. There seems to be a tendency to show higher effects.
 BPSの投与量が28.8~42.9μg/kgで180日間連続投与した場合(試験F~J)には、いずれも体重、臨床症状の改善は認められたが、BUNの増減率が-45.0~43.0%、SCreの増減率が-45.9~11.8%と腎機能マーカーが大きく改善している例がある一方で悪化している例があるなどばらつきが大きい。また、体重あたり55.6μg/kgで90日間の連続投与の場合(試験K)にはBUNの増減率が55.2%と高値を示し、腎機能の改善が認められなかった。 When the dose of BPS was 28.8-42.9 μg / kg and administered continuously for 180 days (Studies FJ), improvement in body weight and clinical symptoms were observed, but the increase / decrease rate of BUN was − There are 45.0-43.0% and SCre increase / decrease rate is -45.9-11.8%, and there are some cases where the renal function marker is greatly improved, while there are cases where it is getting worse. In addition, in the case of continuous administration for 90 days at 55.6 μg / kg body weight (Study K), the increase / decrease rate of BUN was as high as 55.2%, and no improvement in renal function was observed.
 以上の結果より、猫の体重を2~9kgと仮定した場合、BPSの1回の投与量55μgで体重あたりの用量は6~27.5μg/kgとなり、さらに長期間連続投与することにより、慢性腎不全の猫に対する臨床症状の改善、腎機能の低下抑制の効果が最も安定して得られると推定された。 From the above results, assuming that the body weight of the cat is 2 to 9 kg, the dose per body weight is 6 to 27.5 μg / kg with a single dose of 55 μg of BPS. It was estimated that the effects of improving clinical symptoms and suppressing the decline in renal function for cats with renal failure were most stably obtained.
Figure JPOXMLDOC01-appb-T000008
Figure JPOXMLDOC01-appb-T000008
 本発明により、猫を始めとした哺乳動物の慢性腎不全の治療薬とその処置方法を提供することができる。 According to the present invention, it is possible to provide a therapeutic drug for chronic renal failure in mammals including cats and a method for treating the same.

Claims (14)

  1. 一般式(I)
    Figure JPOXMLDOC01-appb-C000001
    [式中、
    は、
    (A)COOR、ここでRは、
    1)水素または薬理学的に受け入れられる陽イオン、
    2)炭素数1~12の直鎖アルキルまたは炭素数3~14の分岐アルキル
    3)-Z-R、ここでZは原子価結合、またはC2tで表される直鎖もしくは分岐アルキレンであり、tは1~6の整数を示し、Rは炭素数3~12のシクロアルキルまたはRの1~3個で置換された炭素数3~12の置換シクロアルキルであり、Rは水素または炭素数1~5のアルキル、
    4)-(CHCHO)CH、ここで、nは1~5の整数、
    5)-Z-Ar、ここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、2-ピリジル、3-ピリジル、4-ピリジル、α-フリル、β-フリル、α-チエニル、β-チエニルまたは置換フェニル(ここで置換基は少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル、フェノキシ、p-アセトアミドベンズアミド、-CH=N-NH-C(=O)NH、-NH-C(=O)-Ph、-NH-C(=O)-CH及び-NH-C(=O)―NHからなる群より選ばれる少なくとも1種)、
    6)-C2tCOOR、ここでC2t、Rは前記定義に同じ、
    7)C2tN(R、ここでC2t、Rは前記定義に同じ、
    8)-CH(R)-C-(=O)-R、ここでRは水素またはベンゾイル、Rはフェニル、p-ブロモフェニル、p-クロロフェニル、p-ビフェニル、p-ニトロフェニル、p-ベンズアミドフェニル、2-ナフチル、
    9)-C2p-W-R、ここでWは-CH=CH-、-CH=CR-または-C≡C-である、Rは水素、炭素数1~30の直鎖もしくは分岐アルキルまたは炭素数7~30のアラルキルであり、pは1~5の整数、または、
    10)-CH(CHOR、ここでRは炭素数1~30のアルキルまたは炭素数1~30のアシル、
    (B)-CHOH、
    (C)-C(=O)N(R
    ここでRは水素、炭素数1~12の直鎖アルキル、炭素数3~12の分岐アルキル、炭素数3~12のシクロアルキル、炭素数4~13のシクロアルキルアルキレン、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルまたは-SO10を表し、R10は炭素数1~10のアルキル、炭素数3~12のシクロアルキル、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルを表し、2つのRは同一でも異なっていてもよいが、一方が-SO10を表す場合は他のRは-SO10ではないものとする、または、
    (D)-CHOTHP(THPはテトラヒドロピラニル基)であり、
    Aは、
    1)-(CH
    2)-CH=CH-CH-、
    3)-CH-CH=CH-、
    4)-CH-O-CH-、
    5)-CH=CH-、
    6)-O-CH-または
    7)-C≡C-であり、ここでmは1から3の整数を示し、
    Yは、水素、炭素数1~4のアルキル、塩素、臭素、フッ素、ホルミル、メトキシまたはニトロであり、
    Bは、-X-C(R11)(R12)OR13、ここで、R11は水素または炭素数1~4のアルキルであり、R13は水素、炭素数1~14のアシル、炭素数6~15のアロイル、テトラヒドロピラニル、テトラヒドロフラニル、1-エトキシエチルまたはt-ブチルであり、
    Xは、
    1)-CH-CH-、
    2)-CH=CH-、または
    3)-C≡C-であり、
    12は、
    1)炭素数1~12の直鎖アルキル、炭素数3~14の分岐アルキル、
    2)-Z-ArここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、または少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシからなる群より選ばれる少なくとも1種の置換基で置換したフェニル、
    3)-C2tOR14、ここでC2tは前記定義に同じ、R14は炭素数1~6の直鎖アルキル、炭素数3~6の分岐アルキル、フェニル、少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシから成る群より選ばれる少なくとも1種の置換基で置換されたフェニル、シクロペンチル、シクロヘキシル、または、炭素数1~4の直鎖アルキルの1~4個で置換されたシクロペンチルまたはシクロヘキシル、
    4)-Z-R、ここでZ、Rは前記定義に同じ、
    5)-C2t-CH=C(R15)R16、ここでC2tは前記定義に同じ、R15及びR16は互いに独立に水素、メチル、エチル、プロピル若しくはブチル、または
    6)-C2u-C≡C-R17、ここでuは1~7の整数であり、C2uは直鎖または分岐アルキレンを表し、R17は炭素数1~6の直鎖アルキルを表し、
    Eは、水素または-OR18、ここでR18は炭素数1~12のアシル、炭素数1~15のアロイル若しくはR(ここでRは前記定義に同じ)を表し、
    一般式(I)はd体、l体またはdl体を表す]、
    で表される化合物を、哺乳動物に一回あたり55μg投与することを特徴とする慢性腎不全治療薬。
    Formula (I)
    Figure JPOXMLDOC01-appb-C000001
    [Where:
    R 1 is
    (A) COOR 2 , where R 2 is
    1) hydrogen or a pharmacologically acceptable cation,
    2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms,
    4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5,
    5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, α-naphthyl, β-naphthyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, α-furyl, β-furyl, α-thienyl, β-thienyl or substituted phenyl (wherein the substituent is at least one chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl, phenoxy) , P-acetamidobenzamide, —CH═N—NH—C (═O) NH 2 , —NH—C (═O) —Ph, —NH—C (═O) —CH 3 and —NH—C (= O) at least one selected from the group consisting of —NH 2 ),
    6) -C t H 2t COOR 4 , where C t H 2t , R 4 is as defined above,
    7) C t H 2t N (R 4 ) 2 , where C t H 2t and R 4 are as defined above,
    8) —CH (R 5 ) —C— (═O) —R 6 , where R 5 is hydrogen or benzoyl, R 6 is phenyl, p-bromophenyl, p-chlorophenyl, p-biphenyl, p-nitrophenyl P-benzamidophenyl, 2-naphthyl,
    9) —C p H 2p —W—R 7 , where W is —CH═CH—, —CH═CR 7 — or —C≡C—, R 7 is hydrogen, a straight chain having 1 to 30 carbon atoms A chain or branched alkyl or an aralkyl having 7 to 30 carbon atoms, and p is an integer of 1 to 5, or
    10) —CH (CH 2 OR 8 ) 2 , wherein R 8 is alkyl having 1 to 30 carbons or acyl having 1 to 30 carbons,
    (B) —CH 2 OH,
    (C) —C (═O) N (R 9 ) 2 ,
    Here, R 9 is hydrogen, linear alkyl having 1 to 12 carbons, branched alkyl having 3 to 12 carbons, cycloalkyl having 3 to 12 carbons, cycloalkyl alkylene having 4 to 13 carbons, phenyl, substituted phenyl ( Here, the substituent has the same meaning as in the case of (A) 5) above, and represents aralkyl having 7 to 12 carbon atoms or —SO 2 R 10 , where R 10 is alkyl having 1 to 10 carbon atoms and 3 to 12 carbon atoms. Cycloalkyl, phenyl, substituted phenyl (wherein the substituent is as defined in the above (A) 5)), aralkyl having 7 to 12 carbon atoms, and two R 9 may be the same or different, When R represents —SO 2 R 10 , the other R 9 is not —SO 2 R 10 , or
    (D) —CH 2 OTHP (THP is a tetrahydropyranyl group);
    A is
    1)-(CH 2 ) m-
    2) —CH═CH—CH 2 —,
    3) —CH 2 —CH═CH—,
    4) —CH 2 —O—CH 2 —,
    5) -CH = CH-,
    6) —O—CH 2 — or 7) —C≡C—, wherein m represents an integer of 1 to 3,
    Y is hydrogen, alkyl having 1 to 4 carbon atoms, chlorine, bromine, fluorine, formyl, methoxy or nitro,
    B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 is hydrogen or alkyl having 1 to 4 carbons, and R 13 is hydrogen, acyl having 1 to 14 carbons, carbon Aroyl, tetrahydropyranyl, tetrahydrofuranyl, 1-ethoxyethyl or t-butyl having a number of 6 to 15;
    X is
    1) —CH 2 —CH 2 —,
    2) —CH═CH—, or 3) —C≡C—,
    R 12 is
    1) straight chain alkyl having 1 to 12 carbon atoms, branched alkyl having 3 to 14 carbon atoms,
    2) —Z—Ar 2 wherein Z is as defined above, Ar 2 is phenyl, α-naphthyl, β-naphthyl, or at least one of chlorine, bromine, fluorine, iodine, trifluoromethyl, carbon number 1 Phenyl substituted with at least one substituent selected from the group consisting of alkyl, nitro, cyano, methoxy, phenyl and phenoxy,
    3) —C t H 2t OR 14 , wherein C t H 2t is as defined above, R 14 is a linear alkyl having 1 to 6 carbon atoms, a branched alkyl having 3 to 6 carbon atoms, phenyl, at least one Phenyl, cyclopentyl substituted with at least one substituent selected from the group consisting of chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl and phenoxy, Cyclohexyl, or cyclopentyl or cyclohexyl substituted with 1 to 4 of linear alkyl having 1 to 4 carbon atoms,
    4) -ZR 3 , where Z and R 3 are as defined above,
    5) —C t H 2t —CH═C (R 15 ) R 16 , wherein C t H 2t is as defined above, R 15 and R 16 are independently of each other hydrogen, methyl, ethyl, propyl or butyl, or 6) —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u represents a linear or branched alkylene, and R 17 is a straight chain having 1 to 6 carbon atoms. Represents a chain alkyl,
    E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
    General formula (I) represents d-form, l-form or dl-form]
    A therapeutic agent for chronic renal failure, wherein the compound represented by the formula:
  2. 一般式(I)
    Figure JPOXMLDOC01-appb-C000002
    [式中、
    は、
    (A)COOR、ここでRは、
    1)水素または薬理学的に受け入れられる陽イオン、
    2)炭素数1~12の直鎖アルキルまたは炭素数3~14の分岐アルキル
    3)-Z-R、ここでZは原子価結合、またはC2tで表される直鎖もしくは分岐アルキレンであり、tは1~6の整数を示し、Rは炭素数3~12のシクロアルキルまたはRの1~3個で置換された炭素数3~12の置換シクロアルキルであり、Rは水素または炭素数1~5のアルキル、
    4)-(CHCHO)CH、ここで、nは1~5の整数、
    5)-Z-Ar、ここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、2-ピリジル、3-ピリジル、4-ピリジル、α-フリル、β-フリル、α-チエニル、β-チエニルまたは置換フェニル(ここで置換基は少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル、フェノキシ、p-アセトアミドベンズアミド、-CH=N-NH-C(=O)NH、-NH-C(=O)-Ph、-NH-C(=O)-CH及び-NH-C(=O)―NHからなる群より選ばれる少なくとも1種)、
    6)-C2tCOOR、ここでC2t、Rは前記定義に同じ、
    7)C2tN(R、ここでC2t、Rは前記定義に同じ、
    8)-CH(R)-C-(=O)-R、ここでRは水素またはベンゾイル、Rはフェニル、p-ブロモフェニル、p-クロロフェニル、p-ビフェニル、p-ニトロフェニル、p-ベンズアミドフェニル、2-ナフチル、
    9)-C2p-W-R、ここでWは-CH=CH-、-CH=CR-または-C≡C-である、Rは水素、炭素数1~30の直鎖もしくは分岐アルキルまたは炭素数7~30のアラルキルであり、pは1~5の整数、または、
    10)-CH(CHOR、ここでRは炭素数1~30のアルキルまたは炭素数1~30のアシル、
    (B)-CHOH、
    (C)-C(=O)N(R
    ここでRは水素、炭素数1~12の直鎖アルキル、炭素数3~12の分岐アルキル、炭素数3~12のシクロアルキル、炭素数4~13のシクロアルキルアルキレン、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルまたは-SO10を表し、R10は炭素数1~10のアルキル、炭素数3~12のシクロアルキル、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルを表し、2つのRは同一でも異なっていてもよいが、一方が-SO10を表す場合は他のRは-SO10ではないものとする、または、
    (D)-CHOTHP(THPはテトラヒドロピラニル基)であり、
    Aは、
    1)-(CH
    2)-CH=CH-CH-、
    3)-CH-CH=CH-、
    4)-CH-O-CH-、
    5)-CH=CH-、
    6)-O-CH-または
    7)-C≡C-であり、ここでmは1から3の整数を示し、
    Yは、水素、炭素数1~4のアルキル、塩素、臭素、フッ素、ホルミル、メトキシまたはニトロであり、
    Bは、-X-C(R11)(R12)OR13、ここで、R11は水素または炭素数1~4のアルキルであり、R13は水素、炭素数1~14のアシル、炭素数6~15のアロイル、テトラヒドロピラニル、テトラヒドロフラニル、1-エトキシエチルまたはt-ブチルであり、
    Xは、
    1)-CH-CH-、
    2)-CH=CH-、または
    3)-C≡C-であり、
    12は、
    1)炭素数1~12の直鎖アルキル、炭素数3~14の分岐アルキル、
    2)-Z-ArここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、または少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシからなる群より選ばれる少なくとも1種の置換基で置換したフェニル、
    3)-C2tOR14、ここでC2tは前記定義に同じ、R14は炭素数1~6の直鎖アルキル、炭素数3~6の分岐アルキル、フェニル、少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシから成る群より選ばれる少なくとも1種の置換基で置換されたフェニル、シクロペンチル、シクロヘキシル、または、炭素数1~4の直鎖アルキルの1~4個で置換されたシクロペンチルまたはシクロヘキシル、
    4)-Z-R、ここでZ、Rは前記定義に同じ、
    5)-C2t-CH=C(R15)R16、ここでC2tは前記定義に同じ、R15及びR16は互いに独立に水素、メチル、エチル、プロピル若しくはブチル、または
    6)-C2u-C≡C-R17、ここでuは1~7の整数であり、C2uは直鎖または分岐アルキレンを表し、R17は炭素数1~6の直鎖アルキルを表し、
    Eは、水素または-OR18、ここでR18は炭素数1~12のアシル、炭素数1~15のアロイル若しくはR(ここでRは前記定義に同じ)を表し、
    一般式(I)はd体、l体またはdl体を表す]、
    で表される化合物を、哺乳動物に対して1回あたり6~26.4μg/kg投与することを特徴とする慢性腎不全治療薬。
    Formula (I)
    Figure JPOXMLDOC01-appb-C000002
    [Where:
    R 1 is
    (A) COOR 2 , where R 2 is
    1) hydrogen or a pharmacologically acceptable cation,
    2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms,
    4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5,
    5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, α-naphthyl, β-naphthyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, α-furyl, β-furyl, α-thienyl, β-thienyl or substituted phenyl (wherein the substituent is at least one chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl, phenoxy) , P-acetamidobenzamide, —CH═N—NH—C (═O) NH 2 , —NH—C (═O) —Ph, —NH—C (═O) —CH 3 and —NH—C (= O) at least one selected from the group consisting of —NH 2 ),
    6) -C t H 2t COOR 4 , where C t H 2t , R 4 is as defined above,
    7) C t H 2t N (R 4 ) 2 , where C t H 2t and R 4 are as defined above,
    8) —CH (R 5 ) —C— (═O) —R 6 , where R 5 is hydrogen or benzoyl, R 6 is phenyl, p-bromophenyl, p-chlorophenyl, p-biphenyl, p-nitrophenyl P-benzamidophenyl, 2-naphthyl,
    9) —C p H 2p —W—R 7 , where W is —CH═CH—, —CH═CR 7 — or —C≡C—, R 7 is hydrogen, a straight chain having 1 to 30 carbon atoms A chain or branched alkyl or an aralkyl having 7 to 30 carbon atoms, and p is an integer of 1 to 5, or
    10) —CH (CH 2 OR 8 ) 2 , wherein R 8 is alkyl having 1 to 30 carbons or acyl having 1 to 30 carbons,
    (B) —CH 2 OH,
    (C) —C (═O) N (R 9 ) 2 ,
    Here, R 9 is hydrogen, linear alkyl having 1 to 12 carbons, branched alkyl having 3 to 12 carbons, cycloalkyl having 3 to 12 carbons, cycloalkyl alkylene having 4 to 13 carbons, phenyl, substituted phenyl ( Here, the substituent has the same meaning as in the case of (A) 5) above, and represents aralkyl having 7 to 12 carbon atoms or —SO 2 R 10 , where R 10 is alkyl having 1 to 10 carbon atoms and 3 to 12 carbon atoms. Cycloalkyl, phenyl, substituted phenyl (wherein the substituent is as defined in the above (A) 5)), aralkyl having 7 to 12 carbon atoms, and two R 9 may be the same or different, When R represents —SO 2 R 10 , the other R 9 is not —SO 2 R 10 , or
    (D) —CH 2 OTHP (THP is a tetrahydropyranyl group);
    A is
    1)-(CH 2 ) m-
    2) —CH═CH—CH 2 —,
    3) —CH 2 —CH═CH—,
    4) —CH 2 —O—CH 2 —,
    5) -CH = CH-,
    6) —O—CH 2 — or 7) —C≡C—, wherein m represents an integer of 1 to 3,
    Y is hydrogen, alkyl having 1 to 4 carbon atoms, chlorine, bromine, fluorine, formyl, methoxy or nitro,
    B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 is hydrogen or alkyl having 1 to 4 carbons, and R 13 is hydrogen, acyl having 1 to 14 carbons, carbon Aroyl, tetrahydropyranyl, tetrahydrofuranyl, 1-ethoxyethyl or t-butyl having a number of 6 to 15;
    X is
    1) —CH 2 —CH 2 —,
    2) —CH═CH—, or 3) —C≡C—,
    R 12 is
    1) straight chain alkyl having 1 to 12 carbon atoms, branched alkyl having 3 to 14 carbon atoms,
    2) —Z—Ar 2 wherein Z is as defined above, Ar 2 is phenyl, α-naphthyl, β-naphthyl, or at least one of chlorine, bromine, fluorine, iodine, trifluoromethyl, carbon number 1 Phenyl substituted with at least one substituent selected from the group consisting of alkyl, nitro, cyano, methoxy, phenyl and phenoxy,
    3) —C t H 2t OR 14 , wherein C t H 2t is as defined above, R 14 is a linear alkyl having 1 to 6 carbon atoms, a branched alkyl having 3 to 6 carbon atoms, phenyl, at least one Phenyl, cyclopentyl substituted with at least one substituent selected from the group consisting of chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl and phenoxy, Cyclohexyl, or cyclopentyl or cyclohexyl substituted with 1 to 4 of linear alkyl having 1 to 4 carbon atoms,
    4) -ZR 3 , where Z and R 3 are as defined above,
    5) —C t H 2t —CH═C (R 15 ) R 16 , wherein C t H 2t is as defined above, R 15 and R 16 are independently of each other hydrogen, methyl, ethyl, propyl or butyl, or 6) —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u represents a linear or branched alkylene, and R 17 is a straight chain having 1 to 6 carbon atoms. Represents a chain alkyl,
    E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
    General formula (I) represents d-form, l-form or dl-form]
    A therapeutic agent for chronic renal failure, wherein the compound represented by the formula is administered to a mammal at 6 to 26.4 μg / kg at a time.
  3. 一般式(I)に於いて、
    がCOOR、ここでRは、水素または薬理学的に受け入れられる陽イオンであり、Aが-(CH-、ここでmは1から3の整数であり、
    Yが水素、
    Bが-X-C(R11)(R12)OR13、ここでR11、およびR13は水素であり、
    Xが-CH=CH-、であり、
    12が-C2u-C≡C-R17、ここでuは1~7の整数、C2uは直鎖または分岐アルキレン、R17は炭素数1~6の直鎖アルキル、
    Eは水素または-OR(ここでRは前記定義に同じ)である、請求項1または2記載の慢性腎不全治療薬。
    In general formula (I),
    R 1 is COOR 2 , where R 2 is hydrogen or a pharmacologically acceptable cation, A is — (CH 2 ) m —, where m is an integer from 1 to 3,
    Y is hydrogen,
    B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 and R 13 are hydrogen;
    X is —CH═CH—,
    R 12 is —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u is a linear or branched alkylene, R 17 is a linear alkyl having 1 to 6 carbon atoms,
    The therapeutic agent for chronic renal failure according to claim 1 or 2, wherein E is hydrogen or -OR 2 (wherein R 2 is as defined above).
  4. 一般式(I)に於いて
    がCOOR、ここでRは、水素またはナトリウムイオンであり、
    Aが-(CH-、ここでmは3であり、
    Yが水素、
    Bが-X-C(R11)(R12)OR13、ここでR11、およびR13は水素であり、
    Xが-CH=CH-、であり、
    12が-C2u-C≡C-R17、ここでuは2、C2uは分岐アルキレン、R17はメチル、
    Eは、-OHである、請求項1または2記載の慢性腎不全治療薬。
    In the general formula (I), R 1 is COOR 2 , where R 2 is hydrogen or sodium ion,
    A is — (CH 2 ) m —, where m is 3,
    Y is hydrogen,
    B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 and R 13 are hydrogen;
    X is —CH═CH—,
    R 12 is —C u H 2u —C≡C—R 17 , where u is 2, C u H 2u is branched alkylene, R 17 is methyl,
    The therapeutic agent for chronic renal failure according to claim 1 or 2, wherein E is -OH.
  5. 一般式(I)で表される化合物がベラプロストナトリウムであることを特徴とする請求項1または2記載の慢性腎不全治療薬。 The therapeutic agent for chronic renal failure according to claim 1 or 2, wherein the compound represented by the general formula (I) is beraprost sodium.
  6. 前記慢性腎不全治療薬を前記哺乳動物に30日間以上連日投与することを特徴とする、請求項1から5いずれか1項記載の慢性腎不全治療薬。 The therapeutic agent for chronic renal failure according to any one of claims 1 to 5, wherein the therapeutic agent for chronic renal failure is administered to the mammal every day for 30 days or more.
  7. 前記慢性腎不全治療薬を前記哺乳動物に60日間以上連日投与することを特徴とする、請求項1から5いずれか1項記載の慢性腎不全治療薬。 The chronic renal failure therapeutic agent according to any one of claims 1 to 5, wherein the chronic renal failure therapeutic agent is administered to the mammal for 60 days or more every day.
  8. 前記慢性腎不全治療薬を前記哺乳動物に120日間以上連日投与することを特徴とする、請求項1から5いずれか1項記載の慢性腎不全治療薬。 6. The therapeutic agent for chronic renal failure according to any one of claims 1 to 5, wherein the therapeutic agent for chronic renal failure is administered to the mammal every day for 120 days or more.
  9. 前記慢性腎不全治療薬を前記哺乳動物に180日間連続投与することを特徴とする、請求項1から5いずれか1項記載の慢性腎不全治療薬。 The therapeutic agent for chronic renal failure according to any one of claims 1 to 5, wherein the therapeutic agent for chronic renal failure is continuously administered to the mammal for 180 days.
  10. 前記慢性腎不全治療薬を前記哺乳動物に1日2回経口投与することを特徴とした請求項1から9いずれか1項記載の慢性腎不全治療薬。 The therapeutic agent for chronic renal failure according to any one of claims 1 to 9, wherein the therapeutic agent for chronic renal failure is orally administered to the mammal twice a day.
  11. 前記哺乳動物が猫であることを特徴とする請求項1から10いずれか1項記載の慢性腎不全治療薬。 The therapeutic agent for chronic renal failure according to any one of claims 1 to 10, wherein the mammal is a cat.
  12. 慢性腎不全による血清クレアチニンもしくは血中尿素窒素値の上昇を抑制、またはその抑制の維持をもたらすことを特徴とする請求項1から11いずれか1項に記載の慢性腎不全治療薬。 The therapeutic agent for chronic renal failure according to any one of claims 1 to 11, which suppresses or maintains the increase in serum creatinine or blood urea nitrogen level due to chronic renal failure.
  13. 請求項1から12のいずれか1項に記載の治療薬を、哺乳動物に対して投与することを含む慢性腎不全の治療方法。 A method for treating chronic renal failure, comprising administering the therapeutic agent according to any one of claims 1 to 12 to a mammal.
  14. 一回あたり55μg投与するか、または一回あたり6~26.4μg/kg投与することによる慢性腎不全の治療に用いるための、一般式(I)
    Figure JPOXMLDOC01-appb-C000003
    [式中、
    は、
    (A)COOR、ここでRは、
    1)水素または薬理学的に受け入れられる陽イオン、
    2)炭素数1~12の直鎖アルキルまたは炭素数3~14の分岐アルキル
    3)-Z-R、ここでZは原子価結合、またはC2tで表される直鎖もしくは分岐アルキレンであり、tは1~6の整数を示し、Rは炭素数3~12のシクロアルキルまたはRの1~3個で置換された炭素数3~12の置換シクロアルキルであり、Rは水素または炭素数1~5のアルキル、
    4)-(CHCHO)CH、ここで、nは1~5の整数、
    5)-Z-Ar、ここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、2-ピリジル、3-ピリジル、4-ピリジル、α-フリル、β-フリル、α-チエニル、β-チエニルまたは置換フェニル(ここで置換基は少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル、フェノキシ、p-アセトアミドベンズアミド、-CH=N-NH-C(=O)NH、-NH-C(=O)-Ph、-NH-C(=O)-CH及び-NH-C(=O)―NHからなる群より選ばれる少なくとも1種)、
    6)-C2tCOOR、ここでC2t、Rは前記定義に同じ、
    7)C2tN(R、ここでC2t、Rは前記定義に同じ、
    8)-CH(R)-C-(=O)-R、ここでRは水素またはベンゾイル、Rはフェニル、p-ブロモフェニル、p-クロロフェニル、p-ビフェニル、p-ニトロフェニル、p-ベンズアミドフェニル、2-ナフチル、
    9)-C2p-W-R、ここでWは-CH=CH-、-CH=CR-または-C≡C-である、Rは水素、炭素数1~30の直鎖もしくは分岐アルキルまたは炭素数7~30のアラルキルであり、pは1~5の整数、または、
    10)-CH(CHOR、ここでRは炭素数1~30のアルキルまたは炭素数1~30のアシル、
    (B)-CHOH、
    (C)-C(=O)N(R
    ここでRは水素、炭素数1~12の直鎖アルキル、炭素数3~12の分岐アルキル、炭素数3~12のシクロアルキル、炭素数4~13のシクロアルキルアルキレン、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルまたは-SO10を表し、R10は炭素数1~10のアルキル、炭素数3~12のシクロアルキル、フェニル、置換フェニル(ここで置換基は上記(A)5)の場合と同義)、炭素数7~12のアラルキルを表し、2つのRは同一でも異なっていてもよいが、一方が-SO10を表す場合は他のRは-SO10ではないものとする、または、
    (D)-CHOTHP(THPはテトラヒドロピラニル基)であり、
    Aは、
    1)-(CH
    2)-CH=CH-CH-、
    3)-CH-CH=CH-、
    4)-CH-O-CH-、
    5)-CH=CH-、
    6)-O-CH-または
    7)-C≡C-であり、ここでmは1から3の整数を示し、
    Yは、水素、炭素数1~4のアルキル、塩素、臭素、フッ素、ホルミル、メトキシまたはニトロであり、
    Bは、-X-C(R11)(R12)OR13、ここで、R11は水素または炭素数1~4のアルキルであり、R13は水素、炭素数1~14のアシル、炭素数6~15のアロイル、テトラヒドロピラニル、テトラヒドロフラニル、1-エトキシエチルまたはt-ブチルであり、
    Xは、
    1)-CH-CH-、
    2)-CH=CH-、または
    3)-C≡C-であり、
    12は、
    1)炭素数1~12の直鎖アルキル、炭素数3~14の分岐アルキル、
    2)-Z-ArここでZは前記定義に同じ、Arはフェニル、α-ナフチル、β-ナフチル、または少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシからなる群より選ばれる少なくとも1種の置換基で置換したフェニル、
    3)-C2tOR14、ここでC2tは前記定義に同じ、R14は炭素数1~6の直鎖アルキル、炭素数3~6の分岐アルキル、フェニル、少なくとも1個の、塩素、臭素、フッ素、ヨウ素、トリフルオロメチル、炭素数1~4のアルキル、ニトロ、シアノ、メトキシ、フェニル及びフェノキシから成る群より選ばれる少なくとも1種の置換基で置換されたフェニル、シクロペンチル、シクロヘキシル、または、炭素数1~4の直鎖アルキルの1~4個で置換されたシクロペンチルまたはシクロヘキシル、
    4)-Z-R、ここでZ、Rは前記定義に同じ、
    5)-C2t-CH=C(R15)R16、ここでC2tは前記定義に同じ、R15及びR16は互いに独立に水素、メチル、エチル、プロピル若しくはブチル、または
    6)-C2u-C≡C-R17、ここでuは1~7の整数であり、C2uは直鎖または分岐アルキレンを表し、R17は炭素数1~6の直鎖アルキルを表し、
    Eは、水素または-OR18、ここでR18は炭素数1~12のアシル、炭素数1~15のアロイル若しくはR(ここでRは前記定義に同じ)を表し、
    一般式(I)はd体、l体またはdl体を表す]、
    で表される化合物。
    General formula (I) for use in the treatment of chronic renal failure by administering 55 μg at a time or 6-26.4 μg / kg at a time
    Figure JPOXMLDOC01-appb-C000003
    [Where:
    R 1 is
    (A) COOR 2 , where R 2 is
    1) hydrogen or a pharmacologically acceptable cation,
    2) straight-chain alkyl having 1 to 12 carbons or branched alkyl having 3 to 14 carbons 3) —Z—R 3 , where Z is a valence bond, or straight-chain or branched alkylene represented by C t H 2t in it, t is an integer of 1 to 6, R 3 is a substituted cycloalkyl cycloalkyl or carbon atoms which is substituted one to three pieces of R 4 3-12 3-12 carbon atoms, R 4 Is hydrogen or alkyl of 1 to 5 carbon atoms,
    4) — (CH 2 CH 2 O) n CH 3 , where n is an integer from 1 to 5,
    5) -Z-Ar 1 , where Z is as defined above, Ar 1 is phenyl, α-naphthyl, β-naphthyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, α-furyl, β-furyl, α-thienyl, β-thienyl or substituted phenyl (wherein the substituent is at least one chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl, phenoxy) , P-acetamidobenzamide, —CH═N—NH—C (═O) NH 2 , —NH—C (═O) —Ph, —NH—C (═O) —CH 3 and —NH—C (= O) at least one selected from the group consisting of —NH 2 ),
    6) -C t H 2t COOR 4 , where C t H 2t , R 4 is as defined above,
    7) C t H 2t N (R 4 ) 2 , where C t H 2t and R 4 are as defined above,
    8) —CH (R 5 ) —C— (═O) —R 6 , where R 5 is hydrogen or benzoyl, R 6 is phenyl, p-bromophenyl, p-chlorophenyl, p-biphenyl, p-nitrophenyl P-benzamidophenyl, 2-naphthyl,
    9) —C p H 2p —W—R 7 , where W is —CH═CH—, —CH═CR 7 — or —C≡C—, R 7 is hydrogen, a straight chain having 1 to 30 carbon atoms A chain or branched alkyl or an aralkyl having 7 to 30 carbon atoms, and p is an integer of 1 to 5, or
    10) —CH (CH 2 OR 8 ) 2 , wherein R 8 is alkyl having 1 to 30 carbons or acyl having 1 to 30 carbons,
    (B) —CH 2 OH,
    (C) —C (═O) N (R 9 ) 2 ,
    Here, R 9 is hydrogen, linear alkyl having 1 to 12 carbons, branched alkyl having 3 to 12 carbons, cycloalkyl having 3 to 12 carbons, cycloalkyl alkylene having 4 to 13 carbons, phenyl, substituted phenyl ( Here, the substituent has the same meaning as in the case of (A) 5) above, and represents aralkyl having 7 to 12 carbon atoms or —SO 2 R 10 , where R 10 is alkyl having 1 to 10 carbon atoms and 3 to 12 carbon atoms. Cycloalkyl, phenyl, substituted phenyl (wherein the substituent is as defined in the above (A) 5)), aralkyl having 7 to 12 carbon atoms, and two R 9 may be the same or different, When R represents —SO 2 R 10 , the other R 9 is not —SO 2 R 10 , or
    (D) —CH 2 OTHP (THP is a tetrahydropyranyl group);
    A is
    1)-(CH 2 ) m-
    2) —CH═CH—CH 2 —,
    3) —CH 2 —CH═CH—,
    4) —CH 2 —O—CH 2 —,
    5) -CH = CH-,
    6) —O—CH 2 — or 7) —C≡C—, wherein m represents an integer of 1 to 3,
    Y is hydrogen, alkyl having 1 to 4 carbon atoms, chlorine, bromine, fluorine, formyl, methoxy or nitro,
    B is —X—C (R 11 ) (R 12 ) OR 13 , wherein R 11 is hydrogen or alkyl having 1 to 4 carbons, and R 13 is hydrogen, acyl having 1 to 14 carbons, carbon Aroyl, tetrahydropyranyl, tetrahydrofuranyl, 1-ethoxyethyl or t-butyl having a number of 6 to 15;
    X is
    1) —CH 2 —CH 2 —,
    2) —CH═CH—, or 3) —C≡C—,
    R 12 is
    1) straight chain alkyl having 1 to 12 carbon atoms, branched alkyl having 3 to 14 carbon atoms,
    2) —Z—Ar 2 wherein Z is as defined above, Ar 2 is phenyl, α-naphthyl, β-naphthyl, or at least one of chlorine, bromine, fluorine, iodine, trifluoromethyl, carbon number 1 Phenyl substituted with at least one substituent selected from the group consisting of alkyl, nitro, cyano, methoxy, phenyl and phenoxy,
    3) —C t H 2t OR 14 , wherein C t H 2t is as defined above, R 14 is a linear alkyl having 1 to 6 carbon atoms, a branched alkyl having 3 to 6 carbon atoms, phenyl, at least one Phenyl, cyclopentyl substituted with at least one substituent selected from the group consisting of chlorine, bromine, fluorine, iodine, trifluoromethyl, alkyl having 1 to 4 carbon atoms, nitro, cyano, methoxy, phenyl and phenoxy, Cyclohexyl, or cyclopentyl or cyclohexyl substituted with 1 to 4 of linear alkyl having 1 to 4 carbon atoms,
    4) -ZR 3 , where Z and R 3 are as defined above,
    5) —C t H 2t —CH═C (R 15 ) R 16 , wherein C t H 2t is as defined above, R 15 and R 16 are independently of each other hydrogen, methyl, ethyl, propyl or butyl, or 6) —C u H 2u —C≡C—R 17 , wherein u is an integer of 1 to 7, C u H 2u represents a linear or branched alkylene, and R 17 is a straight chain having 1 to 6 carbon atoms. Represents a chain alkyl,
    E represents hydrogen or —OR 18 , wherein R 18 is acyl having 1 to 12 carbons, aroyl having 1 to 15 carbons or R 2 (wherein R 2 is as defined above),
    General formula (I) represents d-form, l-form or dl-form]
    A compound represented by
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WO2021132302A1 (en) * 2019-12-23 2021-07-01 東レ株式会社 Drug for preventing dialysis shift or renal death
WO2022265031A1 (en) 2021-06-16 2022-12-22 東レ株式会社 Method for treating feline with chronic kidney disease

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JP3743289B2 (en) * 1999-05-10 2006-02-08 東レ株式会社 Remedies for renal failure

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WO2021132302A1 (en) * 2019-12-23 2021-07-01 東レ株式会社 Drug for preventing dialysis shift or renal death
WO2022265031A1 (en) 2021-06-16 2022-12-22 東レ株式会社 Method for treating feline with chronic kidney disease
JPWO2022265031A1 (en) * 2021-06-16 2022-12-22
JP7318818B2 (en) 2021-06-16 2023-08-01 東レ株式会社 How to treat cats with chronic kidney disease
KR20240021749A (en) 2021-06-16 2024-02-19 도레이 카부시키가이샤 How to treat chronic kidney disease in cats

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