WO2000010581A1 - Rugs comprising butyric acid-producing bacterium combined with bile acid component - Google Patents

Rugs comprising butyric acid-producing bacterium combined with bile acid component Download PDF

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Publication number
WO2000010581A1
WO2000010581A1 PCT/JP1999/004448 JP9904448W WO0010581A1 WO 2000010581 A1 WO2000010581 A1 WO 2000010581A1 JP 9904448 W JP9904448 W JP 9904448W WO 0010581 A1 WO0010581 A1 WO 0010581A1
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acid
bile
butyric acid
intestinal
medicament
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PCT/JP1999/004448
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French (fr)
Japanese (ja)
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Kikuo Yamazaki
Akio Maeda
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Miyarisan Pharmaceutical Co., Ltd.
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Priority to AU53013/99A priority Critical patent/AU5301399A/en
Publication of WO2000010581A1 publication Critical patent/WO2000010581A1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/66Microorganisms or materials therefrom
    • A61K35/74Bacteria
    • A61K35/741Probiotics
    • A61K35/742Spore-forming bacteria, e.g. Bacillus coagulans, Bacillus subtilis, clostridium or Lactobacillus sporogenes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/56Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/575Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of three or more carbon atoms, e.g. cholane, cholestane, ergosterol, sitosterol

Definitions

  • the present invention relates to a medicine comprising a combination of bile acid, a conjugate thereof or a pharmaceutically acceptable salt thereof, and a butyric acid-producing bacterial cell or a spore thereof, and more particularly, an excellent gallstone formation-preventing action
  • the present invention relates to a medicament having a gallstone dissolving action, a protective and repairing effect on mucous membranes in inflammatory bowel disease and the like, an improvement in indigestion, and an excellent growth promoting action.
  • butyric acid-producing bacteria have a strong antagonistic action against putrefactive bacteria present in the intestine (Clinical Medicine 4,973-980 (1 9 3 5)). Some of these butyric acid-producing bacteria have excellent ameliorating effects on diarrhea caused by various causes such as acute digestive insufficiency, neonatal diarrhea, pseudo-cholera cholera, and acute enteritis. is there. Intestinal flora equilibrium is necessary to maintain gut health; for example, an increase in intestinal pH favors the growth of spoilage and other pathogens, but usually the intestinal contents produce acids Suppresses pH rise and maintains biological equilibrium. However, the intestinal flora may be unbalanced due to diarrhea or antibiotics given in various diseases.
  • butyric acid-producing bacteria belonging to the genus Clostridium or spores thereof (hereinafter, simply referred to as butyric acid-producing bacteria) against such intestinal microflora imbalance causes the growth of lactic acid bacteria. It promotes the growth of lactic acid bacteria, prevents intestinal putrefaction and fermentation, and secondarily inhibits the growth of enterococci, such as Escherichia coli, so that it is close to the state of the fecal flora of healthy people. Revert (New Drug and Clinical 25, 1505-1509 (1976)).
  • butyric acid produced by butyric acid-producing bacteria and the like becomes energy for the colonic mucosa and proliferates and protects damaged colonic mucosal cells (Experimental Medicine 2,483 489 (1 984)).
  • Bile acid is the final product of cholesterol, which is bound in the liver to glycine-epinephrine and is excreted as a glycine conjugate, for example, glycocholate-eternal phosphorus conjugate, for example, eluted as cholocholic acid.
  • the bile acids and their conjugates which are mainly produced in the liver, are converted into their sodium and potassium salts in bile, which has a strong lipophilicity. It cleanses and emulsifies and helps digest and absorb fat.
  • bile acids and their conjugates or salts thereof have a gallstone dissolving effect and a bile effect.
  • gallstone dissolving action is that the formation of gallstones depends on the correlation between free cholesterol, bile acids, and lecithin in bile. It is thought to rectify the dissolution and dissolve gallstones (edited by Isao Makino, Gastrointestinal Disease Seminar 56, pl 40-; L50, (1994)).
  • bile acid drugs include ursodesoxycholic acid, which is a chemically synthesized medicinal component of the gallbladder of Japanese black bear, which is useful in biliary tract (bile duct 'gallbladder) diseases and liver diseases with cholestasis.
  • Ursodesoxycholic acid has the above-mentioned digestive and absorptive effects by increasing the hepatic bile flow and bilirubin excretion, as well as by increasing the hepatic blood flow, promoting fat absorption, and bile cholesterol desaturation.
  • Has a gallstone dissolving effect, a bile effect, etc. No. 13 Revised Japanese Pharmacopoeia Manual, Hirokawa Shoten, Ursodesoxycholic acid section).
  • bile acid component medicines containing bile acids, their conjugates or pharmacologically acceptable salts thereof (hereinafter simply referred to as “bile acid component”) may irritate the gastric mucosa in patients with peptic ulcer. Therefore, careful administration is currently required. Furthermore, it is known that side effects such as diarrhea, abdominal pain, and constipation may occur. The use of bile acid components is generally taken for a long period of time, and the side effects such as diarrhea and loose stools that occur during that period halve the therapeutic effect.
  • the gallstone dissolving action of the bile acid component is closely related to the quantitative composition ratio of free cholesterol in bile to bile acids and lecithin. Therefore, in order to dissolve calculi generated in the living body, it is necessary to make the composition ratios of the above three different, and it is necessary to administer a large amount of bile acid components such that this composition ratio reaches the gallstone dissolution zone. Desired. For this reason, it is difficult to reduce the dose under the current conditions, and it is difficult to treat and prevent gallstone disease, which is particularly prone to chronicity and relapse, and to reduce the above-mentioned side effects. Furthermore, if the bile acid component is used to improve indigestion of food that occurs during inflammatory bowel disease, there is no point in causing diarrhea or loose stool due to side effects.
  • butyric acid itself is a substance that is absorbed before it reaches the large intestine, even if it becomes energy for the colonic mucosa. Therefore, simply oral administration cannot be used effectively for inflammatory bowel disease and the like.
  • the present inventors have met the above requirements and have conducted intensive pharmacological research.As a result, a drug combining butyric acid-producing bacteria and a bile acid component can solve the above problems and further digest Excellent effect with promotion and intestinal action And completed the present invention.
  • a medicine comprising a combination of a butyric acid-producing bacterium and a bile acid component.
  • the butyric acid-producing bacteria are Clostridium butyricum Miyali 585 (FE RM BP—68 15), Clostridium butyricum Miyali 595 (FE RM BP—68 16), At least one member selected from the group consisting of resp.
  • Pulicum miyai 63 Pulicum miyai 63 (FE RM BP—68 17) and cross-stream butyl liquor miyai 58 8 (FERMBP— 27 89)
  • the bile acid, the conjugate thereof or a pharmaceutically acceptable salt thereof is ursodesoxycholic acid, dehydrocholic acid, chenodeoxycholic acid, or ureursodeoxycholate;
  • the above-mentioned (1) which is at least one selected from the group consisting of glycoursodeoxycholic acid, ursodeoxycholic acid-3-glucuronide or salts or conjugates thereof.
  • pharmaceutical (3) cholelithiasis
  • the pharmaceutical according to (1) or (2) is ⁇ .
  • the present invention is a medicament comprising a combination of cells of a butyric acid-producing bacterium belonging to the genus Clostridium or a spore thereof, and a bile acid, a conjugate thereof or a pharmaceutically acceptable salt thereof.
  • the butyric acid-producing bacterium used in the medicament is not particularly limited as long as it belongs to the genus Clostridium and mainly produces butyric acid.
  • Butyric acid producing bacteria, etc. Strongly antagonizes intestinal putrefactive bacteria with butyric acid produced by the plant, assists spontaneous healing of intestinal diseases, prevents intestinal putrefactive fermentation, provides energy for colonic mucosa, and has a protective effect on the proliferation of colonic mucosal cells This is because the disease can be prevented before it occurs.
  • clostridium produces spores, it is particularly excellent in stability when used as a medicament and viability in the intestine.
  • Clostridium butyricum 588 (Clostridium but yricum MIYAIRI 588: Hereinafter referred to as “CbM588”. ) Is particularly preferred. Each of these strains is described in the document Bifidobacteria Microflora vol 7, 57-60, 1988.
  • the butyric acid-producing bacteria are used in the present invention because they promote the increase of lactic acid bacteria, reduce the number of Escherichia coli and enterococci, and are excellent in correcting the imbalance of the intestinal flora. Furthermore, these butyric acid-producing bacteria have the properties of acid-resistant spores, survive as spores in gastric juice, and grow and grow in the intestinal tract.
  • butyric acid-producing bacteria when used, they have acid resistance, and therefore their activity is rarely suppressed even when they are mixed with the following bile acid components. Among them, CbM588 is particularly preferable. In addition to the excellent properties described above, it is also resistant to aminoglycoside antibiotics, etc., has already been widely used as a pharmaceutical, has a proven track record of pharmacological effects such as intestinal effects, and has no side effects It is.
  • the butyric acid-producing bacteria may be used alone or in combination of two or more.
  • the method for identifying butyric acid-producing bacterium Clostridium butyricum used in the present invention was as follows.
  • the butyric acid-producing bacterium Clostridium butyricum used in the present invention was identified as a butyric acid-producing bacterium Clostridium butyricum by the following characteristics. Morphological features: Straight or slightly curved obtuse rods at both ends, forming oval sub-terminal spores, 3-5 m in length, 0.9-1.1 lm in width, colo The first is a white or milky white round or irregularly shaped, opaque, rough raised settlement,
  • Milk medium produces acid and gas, with coagulation
  • the cells or spores of butyric acid-producing bacteria belonging to the genus Clostridium used in the present invention can be obtained by a known culture method.
  • An example is as follows. That is, carbon sources such as corn starch, ground starch, potato starch, soluble starch and glucose, and nitrogen sources such as meat extract, peptone, casamino acid, amino acid mixture, corn steep liquor, and yeast extract.
  • carbon sources such as corn starch, ground starch, potato starch, soluble starch and glucose
  • nitrogen sources such as meat extract, peptone, casamino acid, amino acid mixture, corn steep liquor, and yeast extract.
  • bimine sources are selected, and a medium consisting of manganese sulfate, iron sulfate, calcium carbonate, etc. as an inorganic salt is subjected to high-pressure steam sterilization at 120 ° C.
  • bile acids, conjugates or salts thereof used in the medicament of the present invention are components of animal bile.
  • ursodesoxycholic acid hereinafter sometimes referred to as “ursodeoxycholic acid” in some cases
  • dehydrocholic acid chenodeoxycholic acid
  • lithocholic acid So-called cholic acid derivatives are included.
  • Cholic acid derivatives are synthesized as glycin-taurine conjugates in the liver, but after excretion in the gallbladder, they are generally present as these sodium salts due to the alkaline nature of bile.
  • these bile acids, conjugates thereof, or pharmacologically acceptable salts thereof can be used.
  • examples of such a salt include a salt with an inorganic base, a salt with an organic base, a salt with an inorganic acid, a salt with an organic acid, and a salt with a basic or acidic amino acid.
  • Preferable examples of the salt with an inorganic base include, for example, alkali metals such as sodium and potassium, alkaline earth metals such as calcium and magnesium, and salts with aluminum, ammonium and the like.
  • Preferred examples of the salt with an organic base include, for example, trimethylamine, triethylamine, pyridine, picoline, ethanolamine, genoleamine, trienoamine, dicyclohexylamine, N, N-dibenzylethylenediamine.
  • salts with You Preferable examples of salts with inorganic acids include, for example, salts with hydrochloric acid, hydrobromic acid, nitric acid, sulfuric acid, phosphoric acid and the like.
  • salts with organic acids include, for example, formic acid, acetic acid, trifluoroacetic acid, fumaric acid, oxalic acid, tartaric acid, maleic acid, citric acid, succinic acid, lingic acid, methanesulfonic acid, benzene
  • salts with basic amino acids include, for example, salts with arginine, lysine, ordinine, etc., and salts with acidic amino acids.
  • Preferable examples thereof include, for example, salts with aspartic acid, glutamic acid and the like.
  • a sodium salt, a potassium salt, a calcium salt, and a sulfate are preferable.
  • the ratio of bile acid to cholesterol in bile can be shifted in the direction of dissolving gallstones, thereby suppressing gallstone formation and dissolving gallstones.
  • a single bile acid component may be used, or two or more bile acid components may be used in combination.
  • ursodeoxycholic acid ursodeoxycholic acid, dehydrocholic acid, chenodeoxycholic acid, tauroursodeoxycholic acid, glycoursodeoxycholic acid, ursodeoxycholic acid-3-glucuronic acid
  • ursodeoxycholic acid dehydrocholic acid, and chenodeoxycholic acid.
  • bile acid components that show a non-dissociated state are excellent in their absorption, but the use of bile acids themselves, rather than bile acid conjugates or salts thereof, provides a quick absorption effect from the intestinal tract. It is.
  • bile acids themselves return to the liver via enterohepatic circulation in the living body, where they are reconjugated to glycoconjugates and tauroconjugates, and excreted again in the gallbladder and further to the duodenum to perform functions such as emulsification. Therefore, administration of bile acids in a non-dissociated state provides a more rapid absorption effect in the proximal small intestine, and does not require the use of conjugates or salts as bile acid components from the beginning.
  • ursodeoxycholic acid is excellent in terms of weak cytotoxicity, and is particularly preferable.
  • the medicament of the present invention is obtained by combining the butyric acid-producing bacterium and the like with a bile acid component.
  • a bile acid component By combining butyric acid-producing bacteria, etc., which do not always produce sufficient effects when administered alone, and bile acid components, gallstone dissolution, gallstone formation prevention, and bile action are synergistically demonstrated. This is because it has been found that the combination exerts excellent digestive and intestinal regulating effects and ameliorating effects of inflammatory bowel disease which have not been found conventionally.
  • the gallstone formation inhibitory effect of the present invention is based on the fact that butyric acid-producing bacteria and the like are present in the intestinal tract, thereby altering the enterohepatic circulation of bile acids and promoting excretion of bile acids from the body, and suppressing gallstone formation.
  • Bile acid components such as bile acids and conjugates of these are metabolites of cholesterol. The cholesterol metabolites are excreted outside the body by promoting the excretion of bile acid components outside the body.
  • the bile action of the bile acid component is synergistically exerted.
  • the mechanism of the bile action of ursodeoxycholic acid includes the theory of increased bicarbonate ion concentration, the theory of osmotic pressure, and the theory of secretion, but the combination of both drugs results in an excellent inhibitory effect on gallstone formation. It is believed that the bile effect is also exerted effectively.
  • the medicament of the present invention containing a bile acid component and a butyric acid-producing bacterium exhibited a growth promoting effect that could not be obtained when these were used alone. It was known that butyric acid-producing bacteria and the like exert an intestinal action in the intestinal tract, but there were no reports of observing the digestive absorption action. However, it is considered that the combination with the bile acid component promotes digestion and absorption of fats in the intestinal tract, resulting in an extremely excellent growth promoting effect. This is thought to be related to the use of butyric acid produced by butyric acid-producing bacteria and the like as energy, but the details are unknown.
  • the bile acid component used in the present invention can be obtained by drying and finely chopping a bile acid component containing a large amount of a bile acid component, such as bear bile used in herbal medicine, and chemically by a known method. It can also be synthesized. For example, using ursodeoxycolic acid as an example, methyl cholate is acetylated and then oxidized to form a 12-ketone, which is then exposed to excess hydrazide.
  • chenodeoxycholic acid Heat with hydrate to form chenodeoxycholic acid and then oxidize with potassium chromate in acetic acid or react with N-bromosuccinic acid imide in acetone to form the 7-ketone. Reduction of this with sodium metal in n-propanol yields a 7? Hydroxyl substrate, ursodeoxycholate.
  • a natural product or a chemically synthesized product may be used.
  • the medicament of the present invention has low toxicity and can be used safely in mammals (eg, humans, mice, rats, puppies, dogs, cats, puppies, puppies, bush, monkeys, etc.).
  • the dose of the medicament of the present invention may be determined according to the dose of each drug, and depends on the administration subject, age and weight of the administration subject, symptoms, administration time, dosage form, administration method, drug combination, and the like. It can be selected as appropriate.
  • the bile acid component can be selected in the range of 0.1 to 3600 mg, preferably in the range of 0.5 to 3 mg when oral administration per adult per day.
  • a drug containing butyric acid-producing bacteria and the like to be used in combination therewith can be appropriately selected based on the clinically used dose.
  • the clinical dose can be selected in the range of 11 sxiosxio, preferably 1 lxiossxio11. The appropriate number of doses is 1 to 3 times a day.
  • the compounding ratio of each active ingredient can be appropriately selected depending on the administration subject, age and weight of the administration subject: symptoms, administration time, dosage form, administration method, combination of drugs, and the like. It can be used for the treatment of cholelithiasis, digestive and intestinal medicine, inflammatory bowel disease treatment and growth promoter.
  • the combination drug of the present invention comprises mixing these active ingredients separately or simultaneously with a physiologically acceptable carrier, excipient, binder, diluent, or the like. It can be administered orally or parenterally as a pharmaceutical composition.
  • the active ingredients are separately formulated as pharmaceuticals, they can be separately formulated and administered using a diluent at the time of use, but the separately formulated ones can be administered separately and simultaneously. Alternatively, they may be administered to the same subject at different times.
  • the butyric acid-producing bacterium and the bile acid component are mixed in an amount of 1 ⁇ 10 6 to 1 ⁇ 10 11 butyric acid-producing bacteria in 1 g of the composition. preferably contains, more preferably 1 0 1 X 1 0 ⁇ ⁇ ⁇ ⁇ ⁇ .
  • the amount of the bile acid component in the composition lg is preferably from 5 to 600 mg, more preferably from 20 to 400 mg.
  • the dose when using c pharmaceutical composition proportion of butyrate producing bacteria with bile acid component can be appropriately selected depending on the intended use as human subjects is 1 day. 20 to 6000 mg, more preferably 1 00 to 5000 mg, particularly preferably 250 to 4000 mg.
  • the dose is 100 to 600 mg / day, more preferably 500 to 5000 mg / day, particularly preferably 1500 to 4000 mg / day for use in the prevention and treatment of so-called gallstone disease such as gallstone dissolution and prevention of gallstone formation.
  • the dose is 100 to 6000 mg / day, more preferably 500 to 3000 mg / day, particularly preferably 1,000 to 2000 mg / day.
  • the amount is 100 to 600 mg / day, more preferably 500 to 3000 mg / day, particularly preferably 1,000 to 2000 mg / day.
  • the dose is 20 to 1,500 mg per day, preferably 100 to 800 mg, particularly preferably 250 to 500 mg. Is preferred.
  • the medicament of the present invention can be used for animals.
  • the target animals include various animals, such as bush, dog, cat, monkey, bird, bird, pest and so on. When these animals are used as subjects, the dosage is preferably 5 to 350 mg / kg, more preferably 10 to 250 mg / kg, particularly preferably 25 to 200 mg / kg. It can be appropriately selected according to the target animal, symptoms, age, sex, body weight, etc. of the administration.
  • oral administration is preferable, and it is preferable to take the above daily dose in one to three divided doses, but the number may be increased or decreased as appropriate according to the symptoms.
  • the daily dose may be administered once or more in the feed.
  • the pharmaceutical composition can be used as it is as a powder or granule by mixing it directly with feed, and furthermore, corn flour, soybean meal, barley flour, naked barley flour, soy flour, rice bran, potato flour, tofu grounds, starch, It can also be administered beforehand in animal feed such as fish meal.
  • the pharmaceutical composition can be used as an oral preparation, for example, a pharmaceutical preparation such as granules, powders, tablets, capsules, syrups, emulsions and suspensions.
  • a pharmaceutical preparation such as granules, powders, tablets, capsules, syrups, emulsions and suspensions.
  • These medicaments can be produced by a method known per se that is generally used in the pharmaceutical process. Hereinafter, a specific method for producing a pharmaceutical will be described in detail.
  • the oral preparation contains a bile acid component as an active ingredient and the above-mentioned butyric acid-producing bacterium and the like, and can further be mixed with a pharmaceutically acceptable excipient to prepare a composition for oral administration.
  • a pharmaceutically acceptable excipient to prepare a composition for oral administration.
  • Other additives that can be blended include lactose, sucrose, mannite, corn starch, synthetic or natural gum, excipients such as crystalline cellulose, gelatin, cellulose derivatives, arabia gum, polyvinylpyrrolidone.
  • Binders such as carboxymethyl cell mouth —Disintegrants such as scalcium, sodium carboxymethylcellulose, starch, corn starch, sodium alginate, polyethylene glycol 600, lubricants such as talc, magnesium stearate, sodium stearate, calcium carbonate, sodium carbonate There are fillers or diluents such as lium, phosphoric acid, sodium phosphate, etc. In addition, other ingredients can be added depending on the purpose and symptoms.
  • disintegrants such as scalcium, sodium carboxymethylcellulose, starch, corn starch, sodium alginate, polyethylene glycol 600, lubricants such as talc, magnesium stearate, sodium stearate, calcium carbonate, sodium carbonate
  • fillers or diluents such as lium, phosphoric acid, sodium phosphate, etc.
  • other ingredients can be added depending on the purpose and symptoms.
  • sugar-coated tablets, coated tablets, sustained-release preparations, and oral liquid preparations and pastes may be used.
  • An enteric agent may be used by using a coating substrate such as hydroxypropylmethylcellulose phthalate, hydroxypropylmethylcellulose acetate, cellulose acetate phthalate, and methacrylate copolymer. Since the bile acid component has bitterness, it can be made into capsules using sugar-coated tablets or hard or soft gelatin capsules to prevent bitterness. However, taking advantage of the fact that bitterness acts as a bitter stomachic, powders, granules, tablets, tablets, and the like can be used while having bitterness.
  • the cells or spores of the butyric acid-producing bacterium and the bile acid component are suspended and dissolved in water, alcohol, or the like, and, if necessary, a wetting agent, an emulsifier, a dispersing aid, a surfactant, a sweetener, or a flavor.
  • a syrup, an elixir and the like can be prepared by appropriately adding an aromatic substance or the like.
  • the pharmaceutical composition may be processed into a form suitable for food by adding dietary fiber, oligosaccharides, cereals, biminins, and the like in addition to the above additives, and further adding a flavor, a flavoring agent, and the like. Is also possible.
  • the medicament of the present invention can be used as a therapeutic agent for cholelithiasis, an anti-inflammatory / intestinal treatment agent, a therapeutic agent for inflammatory bowel disease or a growth promoting agent, by the action of the combined active ingredient. That is, the medicament of the present invention exhibits excellent gallstone dissolving action and gallstone formation suppressing action by combining the butyric acid-producing bacterium and the bile acid component. Therefore, when used as a treatment for gallstone disease, gallstones can be easily dissolved, and it is also a preventive agent for cholelithiasis that tends to recur. Furthermore, it can be used as a gallstone preventive agent due to its gallstone formation inhibitory action.
  • the medicament of the present invention With the use of the medicament of the present invention, diarrhea, loose stool, bleeding, etc. caused by intestinal inflammatory diseases such as colitis can be improved, and the damaged site can be cured. Therefore, it is useful as a therapeutic agent for inflammatory bowel disease.
  • infectious Salmonella enteritis, Vibrio parahaemolyticus, Campylobacter enteritis, Yersinia enteritis, staphylococcal gastroenteritis, etc. as therapeutic agents for inflammatory bowel disease
  • non-infectious agents include allergic gastroenteritis, inflammation Ulcerative colitis, ulcerative colitis, Crohn's disease, irritable bowel syndrome, drug-induced enteritis, etc.
  • the medicament of the present invention improves dyspepsia in inflammatory bowel disease, etc. It can be used as a drug that can be added to pharmaceuticals, foods, feed additives, etc., that can be improved at home. For this reason, it promotes digestion and absorption and has an intestinal action, so that it can be used as a general purpose drug and as an intestinal / intestinal medicine.
  • the medicament of the present invention when used by adding it to food and feed, it exhibits a growth promoting effect and is useful as a growth promoter.
  • ursodeoxycholic acid and butyric acid-producing bacteria To investigate the stability of a drug containing ursodeoxycholic acid and butyric acid-producing bacteria, add 0,5 mg of ursodeoxycholic acid to 1 ml of GAM broth medium, and then add C as butyric acid-producing bacteria.
  • b M588 was inoculated at 5.4 ⁇ 10 3 cells / m 3 , maintained in an anaerobic state, and cultured at 37 ° C. for 24 hours. Result of this, the 2 4 hours of culture 2. have proliferated 0 1 0 7, C b M 588 was found to be not inhibited proliferation by Urso de O carboxymethyl cholate.
  • composition of cholic acid other than ursodeoxycholic acid was examined by gas chromatography.As a result, no cholic acid other than ursodeoxycholic acid was detected, and ursodeoxycholic acid was detected by CbM588. No chemical conversion was found.
  • butyric acid-producing bacteria The butyric acid-producing bacteria, ursodeoxycholic acid, and corn starch were mixed in the amounts shown in Table 13 to obtain compositions of Formulations A, B, and C.
  • Butyric acid bacterium was cultured on CsM medium (published in JP-A-59-187787).
  • Seven Wistar male rats (weight: about 200 g) were divided into three groups, each group consisting of 7 Wistar rats, which were freely used in an environment of 22.9 ⁇ 0.5 ° C and a humidity of 52.3% 4.5%. They were bred under solid feed (CE-2, manufactured by CLEA Japan) and tap water.
  • composition of each of the formulations shown in Table 13 (formulations A, B, and C) was suspended in water and orally administered at a dose of 10 mg / head once a day. This was continued for 14 days, and on days 7 and 14, the rats were observed for stool properties, weighed, and weighed on days 0, 7, and 14. Table 14 shows the results.
  • An SD male rat (body weight: about 200 g) was bred under the same conditions as in Example 2, and dextran sulfate (manufactured by Wako Pure Chemical Industries, Ltd.) was used for drinking water at a rate of 3%. It was dissolved in water and taken freely every day to create an ulcerative colitis model.
  • mice Ten days after the start of ingestion, feces were observed, and rats with stool mixed with blood were selected and divided into four groups, each group consisting of five rats. After that, tap water with a sodium dextran sulfate concentration of 1% was given, and each group was given the above formulation A, B, and C once a day at 5 mg / head at 10 mg. The drug was administered daily.
  • Formulation B which used a combination of ursodeoxycholic acid and dung bacillus, as well as Formulation A, successfully suppressed diarrhea and loose stools and suppressed stool bleeding.
  • Body weight gain was also favorable in the group given the prescription B, and colitis was even more strongly suppressed than in the prescriptions A and C, with colitis almost disappearing in 2 out of 5 animals.
  • the three groups receiving the high cholesterol diet were orally administered each of the compositions of Formulations A, B, and C shown in Table 13 once a day, each at 5 mg / head for 30 days.
  • the other group did not receive drug administration as a control.
  • the mice were sacrificed and dissected, the gallbladder was removed, and the formation of gallstones was evaluated.
  • Gallstone formation is: Score 1 0: No gallbladder gallstones, Score 1: 1: Gallbladder occupies 0 to 1/3, Score 1: 2: Gallbladder occupies 1/3 to 1/2, Score 1: 3: Gallbladder It was evaluated as occupying more than 1/2 of them.
  • Table 6 shows the scores of the five mice and the average of the groups administered with each prescription.
  • mice After the same mice as in Example 5 were ingested with the same high cholesterol solid diet for 25 days, the mice were returned to the normal diet and divided into groups of 5 mice and 5 groups. Of the three groups, the A, B, and C agents were orally administered once each day at 5 mg / head for 30 days. The other group did not receive drug administration as a control. The other group was immediately sacrificed, dissected and evaluated for gallstone formation. The drug administration group and the control group were sacrificed in the same manner 30 days later, and gallstone dissolution was evaluated.
  • the present invention in humans and animals, it is possible to prevent and treat side effects such as diarrhea and loose stool that occur during the course of treatment with bile acid components, and to more effectively treat and prevent gallstone disease.
  • the present invention provides a composition for use in medicines, foods, feed additives, etc., which improves indigestion in inflammatory bowel disease and the like, prevents wasting, and improves the condition in a shorter period of time.
  • the combination of bile acid components and butyric acid-producing bacteria, etc. synergistically enhances gallstone dissolving action and gallstone formation inhibitory action, and can shorten the treatment period.
  • the composition of the present invention is capable of protecting and repairing intestinal mucosa by butyric acid-producing bacteria and the like, and promoting digestive absorption by a bile acid component, thereby producing infectious Salmonella enteritis, Vibrio parahaemolyticus, non-infectious It can improve bleeding, inflammation and other symptoms in inflammatory bowel diseases such as ulcerative colitis and Crohn's disease, improve dyspepsia, and shorten the treatment period.
  • the intestinal action of butyric acid-producing bacteria and the like and the action of bile acid components to promote the digestion and absorption of food are useful as a gastrointestinal drug or a digestive / intestinal drug having a digestive / intestinal action.
  • economic animals such as livestock produce It has an excellent growth effect, especially a weight gain effect, through digestion and intestinal regulation by live bacteria and bile acid components.
  • composition of the present invention two components are combined for a disease in which the bile acid component alone is required to take a drug for several months to several years because the component is easily prone to chronicity and recurrence.
  • gallstones can be easily dissolved by the synergistic effect of both.
  • the composition of the present invention can promote digestion and absorption more effectively by combining two agents. Furthermore, in the case of inflammatory bowel disease, digestion and absorption in the intestine are generally poor, and the condition is not easily improved, but becomes chronic. However, the present invention provides digestion and absorption with compositions of components having different mechanisms of action. It can encourage, prevent wasting, and improve the condition in less time. Industrial applicability
  • a medicine for effectively preventing and treating cholelithiasis, improving dyspepsia in inflammatory bowel disease and the like, preventing wasting, and improving the condition in a shorter time You.
  • the gallstone dissolving action and the gallstone formation inhibitory action are synergistically enhanced, which is useful for humans and other animals that can shorten the treatment period.

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Abstract

Drugs comprising cells or spores of a butyric acid-producing bacterium belonging to the genus Clostridium combined with bile acid, its conjugate or pharmacologically acceptable salts thereof. Because of containing bile acid, these drugs have excellent effects of preventing bilestone formation and lysing bilestone. Owing to the butyric acid-producing bacterium, moreover, these drugs relieve maldigestion in inflammatory intestinal diseases and exert excellent effects of promoting digestion, ameliorating intestinal abnormality and promoting growth. These drugs are usable as remedies for cholelithiasis, digestion-promoting/intestinal drugs, remedies for inflammatory intestinal diseases and growth promoting agents.

Description

明 細 書 酪酸産生菌と胆汁酸成分とを組合せてなる医薬 技術分野  Description Pharmaceutical technology combining butyric acid-producing bacteria and bile acid components
本発明は、 胆汁酸、 その抱合体またはそれらの薬理学的許容可能な塩 と、 酪酸産生菌菌体またはその芽胞とを組合せてなる医薬に関し、 より 詳細には、 優れた胆石形成予防作用、 胆石溶解作用を有し、 炎症性腸疾 患等における粘膜の保護修復効果および消化不良を改善し、 かつ優れた 成長促進作用を有する医薬に関する。 背景技術  The present invention relates to a medicine comprising a combination of bile acid, a conjugate thereof or a pharmaceutically acceptable salt thereof, and a butyric acid-producing bacterial cell or a spore thereof, and more particularly, an excellent gallstone formation-preventing action, The present invention relates to a medicament having a gallstone dissolving action, a protective and repairing effect on mucous membranes in inflammatory bowel disease and the like, an improvement in indigestion, and an excellent growth promoting action. Background art
古くから酪酸産生菌の中には腸内に存在する腐敗菌に対して強力な拮 抗作用を有するものが存在することが知られている (臨床内科 4, 9 7 3〜 9 8 0 ( 1 9 3 5 ) ) 。 この様な酪酸産生菌の中には、 急性消化不 良症、 新生児下痢症、 仮性小児コレラ、 急性腸炎等の種々の原因によつ て生ずる下痢症に対し、 優れた改善効果を有するものがある。 腸内菌叢 の平衡は腸の健康保持に必要であり、 例えば、 腸内の p Hが上昇すると 腐敗菌その他の病原菌の発育に好都合となるが、 通常は腸内容物が酸を 産生して p Hの上昇を抑制し生物学的平衡を維持する。 しかし、 各種疾 患で併発する下痢症や抗生物質の投与などで腸内菌叢のアンバランスが 生じる場合がある。 この様な腸内菌叢のアンバランスに対してクロス ト リジゥム属に属する酪酸産生菌またはその芽胞 (以下、 単に酪酸産生菌 等という。 ) を経口投与すると、 酪酸産生菌等は乳酸菌類の発育を抑制 しないため乳酸菌類の発育を助長し、 腸内の腐敗発酵を防ぎ、 二次的に 腸球菌、 例えば大腸菌の発育を阻止し、 健康人の糞便菌叢の状態近くに 戻す (新薬と臨床 25 , 1 505〜 1 509 ( 1 97 6) ) 。 It has been known for some time that some butyric acid-producing bacteria have a strong antagonistic action against putrefactive bacteria present in the intestine (Clinical Medicine 4,973-980 (1 9 3 5)). Some of these butyric acid-producing bacteria have excellent ameliorating effects on diarrhea caused by various causes such as acute digestive insufficiency, neonatal diarrhea, pseudo-cholera cholera, and acute enteritis. is there. Intestinal flora equilibrium is necessary to maintain gut health; for example, an increase in intestinal pH favors the growth of spoilage and other pathogens, but usually the intestinal contents produce acids Suppresses pH rise and maintains biological equilibrium. However, the intestinal flora may be unbalanced due to diarrhea or antibiotics given in various diseases. Oral administration of butyric acid-producing bacteria belonging to the genus Clostridium or spores thereof (hereinafter, simply referred to as butyric acid-producing bacteria) against such intestinal microflora imbalance causes the growth of lactic acid bacteria. It promotes the growth of lactic acid bacteria, prevents intestinal putrefaction and fermentation, and secondarily inhibits the growth of enterococci, such as Escherichia coli, so that it is close to the state of the fecal flora of healthy people. Revert (New Drug and Clinical 25, 1505-1509 (1976)).
更に、 基礎的ならびに臨床的研究によると、 酪酸産生菌等を経口投与 すると、 酪酸産生菌等が産生する酪酸が大腸粘膜のエネルギーとなり、 損傷した大腸粘膜細胞を増殖保護する (実験医学 2 , 483〜489 ( 1 984) ) 。  Furthermore, according to basic and clinical studies, when butyric acid-producing bacteria and the like are orally administered, butyric acid produced by butyric acid-producing bacteria and the like becomes energy for the colonic mucosa and proliferates and protects damaged colonic mucosal cells (Experimental Medicine 2,483 489 (1 984)).
一方、 胆汁酸はコレステリンの最終産物であり、 肝臓においてグリシ ンゃ夕ゥリ ンと結合してグリシン抱合体、 例えばグリココール酸ゃ夕ゥ リン抱合体、 例えば夕ゥロコール酸として排出される水溶性成分である, 主として肝臓で生成された胆汁酸やその抱合体は、 アル力リ性を示す胆 汁中でそのナト リウム塩やカ リウム塩となり、 胆嚢から排出された後に 腸内で脂肪を清浄および乳化し、 脂肪の消化吸収を助ける作用がある。 更に、 胆汁酸やその抱合体又はこれらの塩には胆石溶解作用や利胆作 用がある。 この胆石溶解作用の作用機序は、 胆石の形成が胆汁中の遊離 コレステロール、 胆汁酸およびレシチン三者の相関関係によるため、 胆 汁酸を経口投与することで胆汁中のコレステロールに対する胆汁酸の割 合を是正し、 胆石を溶解するものと考えられている (牧野勲編集、 消化 器病セミナ一 56、 p l 40〜; L 50、 ( 1 994) ) 。 この様な胆汁 酸医薬として、 日本産ヅキノヮグマの胆嚢の薬効成分を化学的に合成し たウルソデスォキシコール酸があり、 胆道 (胆管 ' 胆嚢) 系疾患および 胆汁うっ滞を伴う肝疾患における利胆、 慢性肝疾患における肝機能の改 善、 高脂肪血症、 小腸切除後後遺症および炎症性小腸疾患における消化 不良 ( 1 50mg/日投与) や、 コレステロール系胆石の溶解 ( 600 mg/日投与) に適用されている。 ウルソデスォキシコール酸は、 肝胆 汁流量およびビリルビン***量を増加させる利胆作用に加え、 肝血流量 増加作用、 脂肪吸収促進作用、 胆汁のコレステロール不飽和化作用等に より、 上記消化吸収作用、 胆石溶解作用、 利胆作用等を奏する (第 1 3 改正日本薬局方解説書、 廣川書店、 ウルソデスォキシコール酸の項) 。 しかしながら、 胆汁酸、 その抱合体またはそれらの薬理学的許容可能 な塩 (以下、 単に 「胆汁酸成分」 という) を含む医薬は、 消化性潰瘍が ある患者には胃粘膜を刺激する虞れがあるため、 慎重な投与が求められ ているのが現状である。 更に、 副作用として下痢、 腹痛、 便秘等が生じ ることも知られている。 胆汁酸成分の使用は概して長期に亘り服用され ることが多く、 その間に生ずる下痢、 軟便などの副作用は、 治療効果を 半減させるものである。 Bile acid, on the other hand, is the final product of cholesterol, which is bound in the liver to glycine-epinephrine and is excreted as a glycine conjugate, for example, glycocholate-eternal phosphorus conjugate, for example, eluted as cholocholic acid. The bile acids and their conjugates, which are mainly produced in the liver, are converted into their sodium and potassium salts in bile, which has a strong lipophilicity. It cleanses and emulsifies and helps digest and absorb fat. In addition, bile acids and their conjugates or salts thereof have a gallstone dissolving effect and a bile effect. The mechanism of this gallstone dissolving action is that the formation of gallstones depends on the correlation between free cholesterol, bile acids, and lecithin in bile. It is thought to rectify the dissolution and dissolve gallstones (edited by Isao Makino, Gastrointestinal Disease Seminar 56, pl 40-; L50, (1994)). Such bile acid drugs include ursodesoxycholic acid, which is a chemically synthesized medicinal component of the gallbladder of Japanese black bear, which is useful in biliary tract (bile duct 'gallbladder) diseases and liver diseases with cholestasis. Improvement of liver function in gall and chronic liver disease, hyperlipidemia, sequelae after small bowel resection and dyspepsia in inflammatory small bowel disease (150 mg / day) and dissolution of cholesterol gallstone (600 mg / day) Has been applied to Ursodesoxycholic acid has the above-mentioned digestive and absorptive effects by increasing the hepatic bile flow and bilirubin excretion, as well as by increasing the hepatic blood flow, promoting fat absorption, and bile cholesterol desaturation. Has a gallstone dissolving effect, a bile effect, etc. (No. 13 Revised Japanese Pharmacopoeia Manual, Hirokawa Shoten, Ursodesoxycholic acid section). However, medicines containing bile acids, their conjugates or pharmacologically acceptable salts thereof (hereinafter simply referred to as “bile acid component”) may irritate the gastric mucosa in patients with peptic ulcer. Therefore, careful administration is currently required. Furthermore, it is known that side effects such as diarrhea, abdominal pain, and constipation may occur. The use of bile acid components is generally taken for a long period of time, and the side effects such as diarrhea and loose stools that occur during that period halve the therapeutic effect.
上述したごとく、 胆汁酸成分による胆石溶解作用は、 胆汁における遊 離コレステロールと胆汁酸およびレシチンとの量的組成比が密接に関連 する。 したがって'、 生体内で生じた結石を溶解するには必然的に上記三 者の組成比を異ならしめる必要があり、 この組成比が胆石溶解域に達す る程の大量の胆汁酸成分の投与が求められる。 このため、 現状のままで は投与量の減量は困難であり、 特に慢性化しやすく再発しやすい胆石症 の治療や予防、 ひいては上記副作用の軽減も困難といわざるを得ない。 更に、 胆汁酸成分を炎症性腸疾患時に起こる食物の消化不良を改善す る目的で使用した場合に、 副作用のため下痢、 軟便を起こしてしまって は、 まったく意味がない。  As described above, the gallstone dissolving action of the bile acid component is closely related to the quantitative composition ratio of free cholesterol in bile to bile acids and lecithin. Therefore, in order to dissolve calculi generated in the living body, it is necessary to make the composition ratios of the above three different, and it is necessary to administer a large amount of bile acid components such that this composition ratio reaches the gallstone dissolution zone. Desired. For this reason, it is difficult to reduce the dose under the current conditions, and it is difficult to treat and prevent gallstone disease, which is particularly prone to chronicity and relapse, and to reduce the above-mentioned side effects. Furthermore, if the bile acid component is used to improve indigestion of food that occurs during inflammatory bowel disease, there is no point in causing diarrhea or loose stool due to side effects.
その一方、 上記のごとく酪酸が大腸粘膜のエネルギーとなるとしても、 酪酸自体は大腸に到達する前に吸収されてしまう物質である。 したがつ て、 単に経口投与しても有効に炎症性腸疾患等に対して利用できるもの ではない。 本発明者らは上記の要件に艦み、 諸種の薬理学的研究を鋭意実施した ところ、 酪酸産生菌等と胆汁酸成分とを組合わせた医薬が、 上記課題を 解決しうると共に、 さらに消化促進と整腸作用を有する優れた効果を奏 することを見いだし、 本発明を完成するに至った。 On the other hand, as mentioned above, butyric acid itself is a substance that is absorbed before it reaches the large intestine, even if it becomes energy for the colonic mucosa. Therefore, simply oral administration cannot be used effectively for inflammatory bowel disease and the like. The present inventors have met the above requirements and have conducted intensive pharmacological research.As a result, a drug combining butyric acid-producing bacteria and a bile acid component can solve the above problems and further digest Excellent effect with promotion and intestinal action And completed the present invention.
上記課題は、 下記 ( 1 ) 〜 ( 6 ) によって達成される。  The above object is achieved by the following (1) to (6).
( 1 ) 酪酸産生菌等と胆汁酸成分とを組合せてなる医薬。  (1) A medicine comprising a combination of a butyric acid-producing bacterium and a bile acid component.
( 2 ) 前記酪酸産生菌がクロス ト リジゥム ブチリカム ミヤイ リ 5 8 5 ( F E RM B P— 6 8 1 5 ) 、 クロス ト リジゥム ブチリカム ミヤイ リ 5 9 5 (F E RM B P— 6 8 1 6 ) 、 クロス ト リジゥム プ チリカム ミヤイ リ 6 3 0 ( F E RM B P— 6 8 1 7 ) 、 クロス ト リ ジゥム ブチリカム ミヤイ リ 5 8 8 ( F E R M B P— 2 7 8 9 ) か らなる群から選ばれた少なく とも 1種であり、 前記胆汁酸、 その抱合体 またはそれらの薬理学的許容可能な塩が、 ウルソデスォキシコール酸、 デヒ ドロコール酸、 ケノデォキシコール酸、 夕ゥロウルソデォキシコ一 ル酸、 グリコウルソデォキシコール酸、 ウルソデォキシコール酸— 3— グルクロニドもしくはこれらの塩またはこれらの抱合体よりなる群から 選ばれる少なく とも 1種であることを特徴とする上記 ( 1 ) 記載の医薬 ( ( 3 ) 胆石症治療剤である前記 ( 1 ) または ( 2 ) に記載の医薬。(2) The butyric acid-producing bacteria are Clostridium butyricum Miyali 585 (FE RM BP—68 15), Clostridium butyricum Miyali 595 (FE RM BP—68 16), At least one member selected from the group consisting of resp. Pulicum miyai 63 (FE RM BP—68 17) and cross-stream butyl liquor miyai 58 8 (FERMBP— 27 89) The bile acid, the conjugate thereof or a pharmaceutically acceptable salt thereof is ursodesoxycholic acid, dehydrocholic acid, chenodeoxycholic acid, or ureursodeoxycholate; (1) The above-mentioned (1), which is at least one selected from the group consisting of glycoursodeoxycholic acid, ursodeoxycholic acid-3-glucuronide or salts or conjugates thereof. of pharmaceutical ((3) cholelithiasis The pharmaceutical according to (1) or (2) is 療剤.
( 4 ) 消化 · 整腸剤である前記 ( 1 ) または ( 2 ) に記載の医薬。(4) The medicament according to (1) or (2), which is a digestive / intestinal regulator.
( 5 ) 炎症性腸疾患治療剤である前記 ( 1 ) または ( 2 ) に記載の医 薬。 (5) The medicament according to (1) or (2), which is a therapeutic agent for inflammatory bowel disease.
( 6 ) 成長促進剤である前記 ( 1 ) または ( 2 ) に記載の医薬。 発明の開示  (6) The medicament according to (1) or (2), which is a growth promoter. Disclosure of the invention
本発明は、 クロス ト リジゥム属に属する酪酸産生菌の菌体またはその 芽胞と、 胆汁酸、 その抱合体またはそれらの薬理学的許容可能な塩とを 組合せてなる医薬である。  The present invention is a medicament comprising a combination of cells of a butyric acid-producing bacterium belonging to the genus Clostridium or a spore thereof, and a bile acid, a conjugate thereof or a pharmaceutically acceptable salt thereof.
当該医薬に用いられる酪酸産生菌としては、 クロス ト リジゥム属に属 し主として酪酸を産生するものであれば特に制限はない。 酪酸産生菌等 が生産する酪酸により腸内腐敗菌に対し強力に拮抗し、 腸疾患の自然治 癒を補佐し、 腸内の腐敗発酵を防ぎ、 大腸粘膜のエネルギーとなり、 大 腸粘膜細胞の増殖保護作用を有し、 疾病を未然に防止することができる からである。 また、 クロス ト リジゥムは芽胞を生じるため、 医薬とした 場合の安定性および腸内での生菌率に特に優れるからである。 The butyric acid-producing bacterium used in the medicament is not particularly limited as long as it belongs to the genus Clostridium and mainly produces butyric acid. Butyric acid producing bacteria, etc. Strongly antagonizes intestinal putrefactive bacteria with butyric acid produced by the plant, assists spontaneous healing of intestinal diseases, prevents intestinal putrefactive fermentation, provides energy for colonic mucosa, and has a protective effect on the proliferation of colonic mucosal cells This is because the disease can be prevented before it occurs. In addition, since clostridium produces spores, it is particularly excellent in stability when used as a medicament and viability in the intestine.
これらクロス ト リジゥム属のなかでも、 1 99 8年 8月 1 3日に、 日 本国茨城県つくば巿東 1丁目 1番 3号に所在する通商産業省工業技術院 生命工学工業技術研究所に受託番号 FERM P— 1 6940として 寄託され、 該寄託は、 1 99 9年 8月 2日にブ夕ぺス ト条約に基づく寄 託に切り換えられて受託番号 F ERM BP— 68 1 5として同所に保 管されているクロス ト リジゥム ブチリカム ミヤイ リ 585 (Clostri dium butyricum MIYAIRI 585) 、 1 998年 8月 1 3日に上記工業技術 院生命工学工業技術研究所に受託番号 FERM P— 1 694 1とし て寄託され、 該寄託は、 1 99 9年 8月 2日にブ夕ぺス ト条約に基づく 寄託に切り換えられて受託番号 F E RM B P— 68 1 6として同所に 保管されているクロス ト リジゥム ブチリカム ミヤイ リ 595 (Clos tridium butyricum MIYAIRI 595) 、 1 9 98年 8月 1 3日に上記工業 技術院生命工学工業技術研究所に受託番号 FERM P - 1 6 942 として寄託され、 該寄託は、 1 999年 8月 2日にブ夕ぺス ト条約に基 づく寄託に切り換えられて受託番号 F ERM BP— 68 1 7として同 所に保管されているクロス ト リジゥム ブチリカム ミヤイ リ 630 (C lostridium butyricum MIYAIRI 630) 、 1 97 2年 5月 1 6日に微ェ研 菌寄第一 P 1467として寄託され、 該寄託は、 1 98 1年 5月 1曰に ブ夕ぺス ト条約に基づく寄託に切り換えられて上記工業技術院生命工学 工業技術研究所に受託番号 F ERM BP— 27 89として保管されて いるクロス ト リジゥム ブチリカム ミヤイ リ 588 (Clostridium but yricum MIYAIRI 588 : 以下、 「C b M 588」 という。 ) が特に好まし い。 なお、 これら各菌株は、 文献 Bifidobacteria Microf lora vol 7, 57 -60, 1988に記載されている。 本発明でこれらの酪酸産生菌を使用する のは、 これらが乳酸菌の増加を促進すると共に大腸菌や腸球菌数を減少 させ、 腸内菌叢のアンバランスを是正する作用に優れるからである。 し かも、 これらの酪酸産生菌は耐酸性を有する芽胞菌の特性を有し、 胃液 中では芽胞のまま生存し、 腸管内で発育増殖する。 このため、 腸内での 乳酸菌やビフィ ズス菌等の有益菌の増殖促進作用を有し、 反面、 大腸菌 等の有害菌の増殖抑制作用を奏し、 優れた整腸作用を奏することができ るからである。 また、 芽胞を有するため抗生物質に対する影響も少ない のである。 従って、 抗生物質の投与によって生じた下痢などの腸疾患の 際にも、 極めて有効である。 Among these genus Clostridium, on August 13, 1998, contracted to the Institute of Biotechnology and Industrial Technology, Institute of Industrial Technology, Ministry of International Trade and Industry, located at 1-3 1-3 Tsukuba East, Ibaraki, Japan. Deposit No. FERM P—16940, which was converted to a deposit under the Bustaste Treaty on August 2, 1999, and deposited there under accession number F ERM BP—68 15 Stored Clostridium butyricum MIYAIRI 585, on August 13, 1998, with the Institute of Biotechnology and Industrial Technology, mentioned above, under accession number FERM P-1 694 1 The deposit was converted to a deposit based on the Bush Treaty on August 2, 1999 and stored at the same location under the accession number FE RM BP-68 16 MIYAIRI 595 (Clos tridium butyricum MIYAIRI 595), the above-mentioned industry on August 13, 1998 Deposited with the Research Institute of Biotechnology, Industrial Science and Technology under the accession number FERM P-169942, and the deposit was switched to a deposit based on the Busista Convention on August 2, 1999, and the accession number F ERM BP—Clostridium butyricum MIYAIRI 630, stored at the same location as 68 17, deposited on May 16, 1997 as P1467 The deposit was converted to a deposit based on the Bustier Treaty on May 1, 1981, and was deposited with the Institute of Biotechnology, National Institute of Advanced Industrial Science and Technology under the accession number F ERM BP-2789. Clostridium butyricum 588 (Clostridium but yricum MIYAIRI 588: Hereinafter referred to as “CbM588”. ) Is particularly preferred. Each of these strains is described in the document Bifidobacteria Microflora vol 7, 57-60, 1988. The butyric acid-producing bacteria are used in the present invention because they promote the increase of lactic acid bacteria, reduce the number of Escherichia coli and enterococci, and are excellent in correcting the imbalance of the intestinal flora. Furthermore, these butyric acid-producing bacteria have the properties of acid-resistant spores, survive as spores in gastric juice, and grow and grow in the intestinal tract. Therefore, it has an effect of promoting the growth of beneficial bacteria such as lactic acid bacteria and bifidobacteria in the intestine, and at the same time, has an effect of suppressing the growth of harmful bacteria such as Escherichia coli, and can exhibit an excellent intestinal regulating action. It is. In addition, because of the presence of spores, there is little effect on antibiotics. Therefore, it is extremely effective in the case of bowel disease such as diarrhea caused by administration of antibiotics.
加えて、 上記酪酸産生菌を使用すると、 これらは耐酸性を有するため 下記の胆汁酸成分と配合してもその活性を抑制されることが少ないから である。 上記の中でも特に C b M 588が好ましい。 上記記載の優れた特 性のほか、 更にアミノグリコシ ド系抗生物質などに耐性を有し、 かつす でに医薬品として幅広く使用されその整腸効果等などの薬理効果に実績 があり、 副作用もないからである。 なお、 上記酪酸産生菌の菌株は、 1 種を使用する場合のほか、 2種以上を併用してもよい。 なお、 本発明で使用する酪酸産生菌クロス ト リジゥム ブチリカムの 同定方法は、 以下によった。  In addition, when the above-mentioned butyric acid-producing bacteria are used, they have acid resistance, and therefore their activity is rarely suppressed even when they are mixed with the following bile acid components. Among them, CbM588 is particularly preferable. In addition to the excellent properties described above, it is also resistant to aminoglycoside antibiotics, etc., has already been widely used as a pharmaceutical, has a proven track record of pharmacological effects such as intestinal effects, and has no side effects It is. The butyric acid-producing bacteria may be used alone or in combination of two or more. The method for identifying butyric acid-producing bacterium Clostridium butyricum used in the present invention was as follows.
本発明で使用する酪酸産生菌クロス ト リジゥム プチリカムは以下の 特徴により、 酪酸産生菌クロス ト リジゥム ブチリカムと同定した。 形態学的特徴 : 直線状またはやや湾曲した両端鈍円の桿菌で、 卵円形 亜端在性の芽胞を形成、 長さ 3〜 5 m、 幅 0 . 9〜 1 . l m、 コロ 二一は、 白色または乳白色の類円形または不正形、 不透明の粗な***を した集落を形成、 The butyric acid-producing bacterium Clostridium butyricum used in the present invention was identified as a butyric acid-producing bacterium Clostridium butyricum by the following characteristics. Morphological features: Straight or slightly curved obtuse rods at both ends, forming oval sub-terminal spores, 3-5 m in length, 0.9-1.1 lm in width, colo The first is a white or milky white round or irregularly shaped, opaque, rough raised settlement,
連動性試験 : S I M培地において運動性あり、  Linkage test: Mobility in SIM medium,
ブドウ糖からの発酵産生物 : 陽性、  Fermentation products from glucose: positive,
ィン ドール産生 : 陰性、  Indole production: negative,
硝酸塩還元試験 : 陰性、  Nitrate reduction test: negative,
力タラ一ゼ産生試験 : 陰性、  Power cod production test: Negative,
N H 3産生試験 : 陰性、 NH 3 production test: negative,
牛乳培地 : 酸とガスを産生し、 凝固有り、  Milk medium: produces acid and gas, with coagulation,
溶血性試験 : 全く認められない、  Hemolysis test: not at all,
レシチナ一ゼ反応 : 全く認められない、  Lecithinase reaction: not recognized at all,
ゲラチン液化試験 : 陰性、  Gelatin liquefaction test: negative,
好気性発育 : 陰性、  Aerobic growth: negative,
デンプンの加水分解 : 陽性、  Starch hydrolysis: positive,
エスク リ ンの加水分解 : 陽性、  Esculin hydrolysis: positive,
ブドウ糖からのガス産生 : 陽性、  Gas production from glucose: positive,
2 0 %胆汁培地での発育 : 陽性、  Growth on 20% bile medium: positive,
最終発酵産物 : 酪酸と酢酸と少量の乳酸、  Final fermentation products: butyric acid, acetic acid and a small amount of lactic acid,
炭化水素の発酵 : キシロース、 グルコース マンノース、 フラク ト一 ス、 スクロース、 マルト一ス、 セロビオース ラク ト一ス、 トレノヽ口一 ス、 メ リ ビオース、 ラフイノ一ス、 エスクリ ン、 サリシン、 アミグダリ ン、 リボース、 スターチ、 グリコーゲンを発酵し、 ラムノース、 メレチ ト一ス、 ソルビトール、 イノシト一ルを非発酵。 また、 本発明で使用する酪酸産生菌クロス ト リジゥム ブチリカムは- 糖発酵の相違により下記表— 1に示すバイオタイプ I〜 I Vに分類され る。 Fermentation of hydrocarbons: xylose, glucose mannose, fructos, sucrose, maltose, cellobiose lactose, trenosporus, meliviose, lahuinos, esculin, salicin, amygdalin, ribose Fermentation of starch, glycogen and non-fermentation of rhamnose, meleitose, sorbitol and inositol. The butyric acid-producing bacterium Clostridium butyricum used in the present invention is classified into biotypes I to IV shown in Table 1 below according to differences in sugar fermentation. You.
表一 1  Table 1
Figure imgf000010_0001
Figure imgf000010_0001
w: 弱反応 本発明で使用する酪酸産生菌クロス ト リジゥム ブチリカムを、 クロ ス ト リジゥム ブチリカム AT C C (American Type Culture Collecti on) 1 93 98 Tを標準株とし、 グァニンおよびシ トシン含量による D N A相同性をターミナルメルティ ングポイン ト法により調査し、 DNA 一 DNAハイプリ ッ ド試験により相同性を調べたところ下記表— 2に示 す相違があった。 表一 2 w: butyric acid producing bacteria cross preparative Rijiumu butyricum used in weak reaction present invention, cross-preparative Rijiumu butyricum AT CC (American Type Culture Collecti on ) a 1 93 98 T as the standard strain, DNA homology by Guanin and cytosine content Were examined by the terminal melting point method, and the homology was examined by a DNA-DNA hybrid test. As a result, there were differences shown in Table 2 below. Table 1 2
Figure imgf000010_0002
本発明で使用されるクロス ト リジゥム属に属する酪酸産生菌の菌体ま たは芽胞は、 既知の培養方法により得ることができるが、 CbM 588を 例に説明すると以下の通りである。 即ち、 コーンスターチ、 粉ァメ、 馬 鈴薯デンプン、 可溶性デンプン、 ブドウ糖等の炭素源等と、 肉エキス、 ペプトン、 カザミノ酸、 アミノ酸混合液、 コーンスティ一プリカ一、 酵 母エキス等の窒素源ゃビ夕 ミン源をそれぞれ 1種以上選択し、 これに無 機塩として硫酸マンガン、 硫酸鉄、 炭酸カルシウム等からなる培地を 1 2 0 °Cで高圧蒸気滅菌する。 種菌を接種し、 2 0〜5 0時間、 3 7 °Cで 培養し、 菌体を遠心分離器により収穫し、 これを乾燥して得たものを使 用できる。 一方、 本発明の医薬に使用する胆汁酸、 その抱合体またはそれらの塩 は、 動物の胆汁の成分である。 胆汁には、 ウルソデスォキシコール酸 (以下、 場合により別称である 「ウルソデォキシコール酸」 を使用す る。 ) 、 デヒ ド口コール酸、 ケノデォキシコール酸、 リ トコール酸のい わゆるコール酸誘導体が含まれる。 コール酸誘導体は、 肝臓ではグリシ ンゃタウリ ン抱合体として合成されるが、 胆嚢に***.された後には胆汁 中のアルカリ性によって一般的にこれらのナト リ ウム塩として存在して いる。 本発明では、 これら胆汁酸やその抱合体またはこれらの薬理学的 許容可能な塩を使用できる。 このような塩としては、 無機塩基との塩、 有機塩基との塩、 無機酸との塩、 有機酸との塩、 塩基性または酸性アミ ノ酸との塩などが挙げられる。 無機塩基との塩の好適な例としては、 例 えばナト リウム, カリウムなどのアルカリ金属、 カルシウム, マグネシ ゥムなどのアルカリ土類金属、 ならびにアルミニウム、 アンモニゥムな どとの塩が挙げられる。 有機塩基との塩の好適な例としては、 例えばト リメチルァミン、 ト リェチルァミン、 ピリジン、 ピコリン、 エタノール ァミン、 ジェ夕ノールアミン、 ト リェ夕ノ一ルァミン、 ジシクロへキシ ルァミン、 N, N—ジベンジルエチレンジァミンなどとの塩が挙げられ る。 無機酸との塩の好適な例としては、 例えば塩酸、 臭化水素酸、 硝酸、 硫酸、 リン酸などとの塩が挙げられる。 有機酸との塩の好適な例として は、 例えばギ酸、 酢酸、 ト リフルォロ酢酸、 フマール酸、 シユウ酸、 酒 石酸、 マレイ ン酸、 クェン酸、 コハク酸、 リ ンゴ酸、 メタンスルホン酸、 ベンゼンスルホン酸、 p — トルエンスルホン酸などとの塩が挙げられる c 塩基性アミノ酸との塩の好適な例としては、 例えばアルギニン、 リジン、 オル二チンなどとの塩が挙げられ、 酸性アミノ酸との塩の好適な例とし ては、 例えばァスパラギン酸、 グルタ ミ ン酸などとの塩が挙げられる。 本発明では、 ナト リ ウム塩、 カリウム塩、 カルシウム塩、 硫酸塩である ことが好ましい。
Figure imgf000010_0002
The cells or spores of butyric acid-producing bacteria belonging to the genus Clostridium used in the present invention can be obtained by a known culture method. An example is as follows. That is, carbon sources such as corn starch, ground starch, potato starch, soluble starch and glucose, and nitrogen sources such as meat extract, peptone, casamino acid, amino acid mixture, corn steep liquor, and yeast extract. One or more types of bimine sources are selected, and a medium consisting of manganese sulfate, iron sulfate, calcium carbonate, etc. as an inorganic salt is subjected to high-pressure steam sterilization at 120 ° C. The inoculum is inoculated, cultured for 20 to 50 hours at 37 ° C, and the cells are harvested by a centrifugal separator and dried. On the other hand, bile acids, conjugates or salts thereof used in the medicament of the present invention are components of animal bile. For bile, ursodesoxycholic acid (hereinafter sometimes referred to as “ursodeoxycholic acid” in some cases), dehydrocholic acid, chenodeoxycholic acid, lithocholic acid So-called cholic acid derivatives are included. Cholic acid derivatives are synthesized as glycin-taurine conjugates in the liver, but after excretion in the gallbladder, they are generally present as these sodium salts due to the alkaline nature of bile. In the present invention, these bile acids, conjugates thereof, or pharmacologically acceptable salts thereof can be used. Examples of such a salt include a salt with an inorganic base, a salt with an organic base, a salt with an inorganic acid, a salt with an organic acid, and a salt with a basic or acidic amino acid. Preferable examples of the salt with an inorganic base include, for example, alkali metals such as sodium and potassium, alkaline earth metals such as calcium and magnesium, and salts with aluminum, ammonium and the like. Preferred examples of the salt with an organic base include, for example, trimethylamine, triethylamine, pyridine, picoline, ethanolamine, genoleamine, trienoamine, dicyclohexylamine, N, N-dibenzylethylenediamine. And salts with You. Preferable examples of salts with inorganic acids include, for example, salts with hydrochloric acid, hydrobromic acid, nitric acid, sulfuric acid, phosphoric acid and the like. Preferred examples of salts with organic acids include, for example, formic acid, acetic acid, trifluoroacetic acid, fumaric acid, oxalic acid, tartaric acid, maleic acid, citric acid, succinic acid, lingic acid, methanesulfonic acid, benzene Examples of salts with basic amino acids include, for example, salts with arginine, lysine, ordinine, etc., and salts with acidic amino acids. Preferable examples thereof include, for example, salts with aspartic acid, glutamic acid and the like. In the present invention, a sodium salt, a potassium salt, a calcium salt, and a sulfate are preferable.
本発明では、 該医薬に胆汁酸成分を組合せることで、 胆汁中のコレス テロールに対する胆汁酸の割合を胆石溶解方向に移動させ、 胆石の形成 を抑制すると共に胆石を溶解することができる。 本発明では胆汁酸成分 として、 1種を使用する場合のほか 2種以上を併用してもよい。 本発明 では、 胆汁酸成分として、 ウルソデォキシコール酸、 デヒ ドロコール酸、 ケノデォキシコール酸、 タウロウルソデォキシコール酸、 グリコウルソ デォキシコール酸、 ウルソデォキシコール酸— 3—グルクロニ ドを使用 することが好ましい。 特にウルソデォキシコール酸、 デヒ ドロコール酸、 ケノデォキシコール酸を使用することが好ましい。 近位小腸付近では、 非解離状態を示す胆汁酸成分がその吸収に優れるが、 胆汁酸抱合体やそ の塩ではなく、 胆汁酸自体を用いることで速やかな腸管からの吸収効果 が得られるからである。 更に、 胆汁酸自体は、 生体内で腸肝循環を経て 肝臓に戻り、 ここでグリコ抱合体やタウロ抱合体に再抱合され、 再び胆 嚢、 更に十二指腸に***されて乳化等の作用をする。 従って、 非解離状 態の胆汁酸を投与することで、 より迅速な近位小腸での吸収効果が得ら れると共に、 胆汁酸成分として当初から抱合体や塩類を使用しなくても. 生体循環で有効に胆石溶解作用や消化吸収促進作用を奏するからである c 本発明では、 胆汁酸のなかでもウルソデォキシコール酸は細胞障害性が 弱い点で優れており、 特に好ましい。 本発明の医薬は、 前記酪酸産生菌等と胆汁酸成分とを組合せてなる。 各成分の単独投与では必ずしも十分な効果を発揮し得ない酪酸産生菌等 と胆汁酸成分とを組合わせることによって、 胆石溶解、 胆石形成予防、 利胆作用が相乗的に発揮され、 かつ両剤の配合により従来見いだされな かった優れた消化 · 整腸作用並びに炎症性腸疾患の改善作用が発揮され ることが判明したからである。 In the present invention, by combining a bile acid component with the medicament, the ratio of bile acid to cholesterol in bile can be shifted in the direction of dissolving gallstones, thereby suppressing gallstone formation and dissolving gallstones. In the present invention, a single bile acid component may be used, or two or more bile acid components may be used in combination. In the present invention, as the bile acid component, ursodeoxycholic acid, dehydrocholic acid, chenodeoxycholic acid, tauroursodeoxycholic acid, glycoursodeoxycholic acid, ursodeoxycholic acid-3-glucuronic acid It is preferred to use In particular, it is preferable to use ursodeoxycholic acid, dehydrocholic acid, and chenodeoxycholic acid. In the vicinity of the proximal small intestine, bile acid components that show a non-dissociated state are excellent in their absorption, but the use of bile acids themselves, rather than bile acid conjugates or salts thereof, provides a quick absorption effect from the intestinal tract. It is. Furthermore, bile acids themselves return to the liver via enterohepatic circulation in the living body, where they are reconjugated to glycoconjugates and tauroconjugates, and excreted again in the gallbladder and further to the duodenum to perform functions such as emulsification. Therefore, administration of bile acids in a non-dissociated state provides a more rapid absorption effect in the proximal small intestine, and does not require the use of conjugates or salts as bile acid components from the beginning. In the present invention, among the bile acids, ursodeoxycholic acid is excellent in terms of weak cytotoxicity, and is particularly preferable. The medicament of the present invention is obtained by combining the butyric acid-producing bacterium and the like with a bile acid component. By combining butyric acid-producing bacteria, etc., which do not always produce sufficient effects when administered alone, and bile acid components, gallstone dissolution, gallstone formation prevention, and bile action are synergistically demonstrated. This is because it has been found that the combination exerts excellent digestive and intestinal regulating effects and ameliorating effects of inflammatory bowel disease which have not been found conventionally.
これらの内、 本発明による胆石形成抑制効果は、 酪酸産生菌等が腸管 内に存在することにより胆汁酸の腸肝循環を変化させて胆汁酸の体外排 泄を促進し、 胆石形成を抑制すると考えられる。 胆汁酸やこれらの抱合 体などの胆汁酸成分はコレステロールの代謝産物であり、 胆汁酸成分の 生体外への***促進作用によってコレステロール代謝物が体外に排出さ れる結果、 最終的に胆嚢中のコレステロール、 胆汁酸、 レシチン比が胆 石形成域から脱し、 胆石形成抑制に働く と考えれる。 このことは、 胆汁 酸成分自体を生体内に投与して胆石形成阻害作用を発揮させる場合と、 本質的に作用機序を異にするものである。 その一方、 胆汁酸の生体外排 泄が促進されれば、 腸肝循環を介し、 胆嚢に戻る胆汁酸量も減少し、 上 記三者の組成比は胆石形成方向に向かう と考えることもできる。 しかし ながら、 本発明においては、 以下の実施例に示すとおり、 結果として胆 石形成抑制作用を発揮するのである。 従って、 本発明の医薬においては 異なる作用機序を有する二剤を配合することにより、 相乗的な胆石形成 抑制が得られるのである。 また、 酪酸産生菌等による整腸作用により、 胆汁酸成分単独投与によって生ずる下痢や軟便などの副作用も軽減され るのである。 より積極的には、 上記相乗効果によ り胆汁酸成分の使用量 を少なくすることができ、 胆汁酸成分による下痢や軟便等の副作用を軽 減することができるのである。 この様な相乗効果は、 従来全く知られて いなかったものである。 Among these, the gallstone formation inhibitory effect of the present invention is based on the fact that butyric acid-producing bacteria and the like are present in the intestinal tract, thereby altering the enterohepatic circulation of bile acids and promoting excretion of bile acids from the body, and suppressing gallstone formation. Conceivable. Bile acid components such as bile acids and conjugates of these are metabolites of cholesterol.The cholesterol metabolites are excreted outside the body by promoting the excretion of bile acid components outside the body. However, it is thought that the bile acid and lecithin ratios escape from the gallstone formation area and work to suppress gallstone formation. This essentially differs in the mechanism of action from the case where the bile acid component itself is administered into a living body to exert the gallstone formation inhibitory action. On the other hand, if the excretion of bile acids in vitro is promoted, the amount of bile acids returning to the gall bladder via the enterohepatic circulation also decreases, and the composition ratio of the above three can be considered to be in the direction of gallstone formation . However, in the present invention, as shown in the following examples, as a result, the gallstone formation inhibitory effect is exhibited. Therefore, synergistic suppression of gallstone formation can be obtained by blending two drugs having different mechanisms of action in the medicament of the present invention. In addition, side effects such as diarrhea and loose stool caused by bile acid components alone are reduced by the intestinal action of butyric acid-producing bacteria. Because More positively, the above synergistic effect can reduce the use of bile acid components, and can reduce side effects such as diarrhea and loose stool due to bile acid components. Such a synergistic effect has never been known before.
更に、 胆石形成抑制作用が相乗的に発揮されることから、 胆汁酸成分 による利胆作用が相乗的に発揮される。 例えば、 ウルソデォキシコール 酸の利胆作用の作用機序として、 重炭酸イオン濃度上昇説、 浸透圧説や 分泌説等があるが、 両剤が配合される結果、 優れた胆石形成抑制効果が 奏され、 利胆作用も効果的に発揮されるものと考えられる。  Furthermore, since the action of inhibiting gallstone formation is synergistically exerted, the bile action of the bile acid component is synergistically exerted. For example, the mechanism of the bile action of ursodeoxycholic acid includes the theory of increased bicarbonate ion concentration, the theory of osmotic pressure, and the theory of secretion, but the combination of both drugs results in an excellent inhibitory effect on gallstone formation. It is believed that the bile effect is also exerted effectively.
加えて、 胆汁酸成分と酪酸産生菌等とを配合した本発明の医薬によつ て、 これらを単独で使用した場合には得られなかった成長促進作用が奏 されることが判明した。 酪酸産生菌等は、 腸管内において整腸作用を奏 することは知られていたが、 消化吸収作用を観察した報告はなかった。 しかし、 胆汁酸成分と配合することにより、 腸管における脂肪類の消化 吸収が促進され.る結果、 極めて優れた成長促進作用が発揮されるものと 考えられる。 このことは、 酪酸産生菌等が産生する酪酸がエネルギーと して使用されることと関連すると考えられるが、 詳細は不明である。 但 し、 以下の実施例に示すごとく、 二剤配合により、 大腸炎による下痢 ' 軟便さらに出血が治癒されると共に、 大腸炎自体の治癒が促進されたの である。 この様な作用は、 これらの単剤使用では全く期待できない優れ た効果なのであって、 本発明によ り初めて見いだされたものである。 本発明に用いられる胆汁酸成分は、 例えば漢方薬に使用される熊の胆 等の、 胆汁酸成分を多量に含有するものを乾燥、 細紛して使用すること ができるほか、 公知の方法により化学的に合成することもできる。 例え ばウルソデォキシコ一ル酸を例にすれば、 コール酸メチルエステルをァ セチル化した後、 酸化して 1 2—ケ トン体とし、 これに過量のヒ ドラジ ンヒ ドラートと共に加熱して、 ケノデォキシコール酸とし、 次いで酢酸 中クロム酸カリウムで酸化するか、 またはアセ トン中 N—ブロムコハク 酸イ ミ ドを反応させて、 7—ケ トン体とする。 これを n—プロパノール 中金属ナト リウムで還元すると 7 ?の水酸基体であるウルソデォキシコ —ル酸が得られる。 本発明では、 天然物を使用しても、 化学的合成品を 使用してもよい。 本発明の医薬は、 毒性も低く、 哺乳動物 (例、 ヒ ト, マウス, ラッ ト, ゥサギ, ィヌ, ネコ, ゥシ, ゥマ, ブ夕, サル等) に対し、 安全に用い られる。 本発明の医薬の投与量は、 個々の薬剤の投与量に準ずればよぐ、 投与対象, 投与対象の年齢および体重, 症状, 投与時間, 剤形, 投与方 法, 薬剤の組み合わせ等により、 適宜選択することができる。 例えば胆 汁酸成分は、 成人 1人 1日当たり経口投与の場合、 0. l〜 3600m g、 好ましくは 0, 5〜 3◦ 00 m gの範囲で選択できる。 また、 これ と組み合わせて用いる酪酸産性菌等を含む医薬も、 臨床上用いられる用 量を基準として適宜選択することができる。 例えば、 成人 1人 1日当た り経口投与の場合、 臨床用量である s x i o s x i o 11個、 好まし く l x i o s s x i o 1 1個の範囲で選択できる。 投与回数は、 一日 1 〜 3回が適当である。 In addition, it was found that the medicament of the present invention containing a bile acid component and a butyric acid-producing bacterium exhibited a growth promoting effect that could not be obtained when these were used alone. It was known that butyric acid-producing bacteria and the like exert an intestinal action in the intestinal tract, but there were no reports of observing the digestive absorption action. However, it is considered that the combination with the bile acid component promotes digestion and absorption of fats in the intestinal tract, resulting in an extremely excellent growth promoting effect. This is thought to be related to the use of butyric acid produced by butyric acid-producing bacteria and the like as energy, but the details are unknown. However, as shown in the Examples below, the combination of the two drugs cured diarrhea, loose stool and bleeding due to colitis, and promoted the cure of colitis itself. Such an effect is an excellent effect that cannot be expected at all with the use of these single agents, and was first discovered by the present invention. The bile acid component used in the present invention can be obtained by drying and finely chopping a bile acid component containing a large amount of a bile acid component, such as bear bile used in herbal medicine, and chemically by a known method. It can also be synthesized. For example, using ursodeoxycolic acid as an example, methyl cholate is acetylated and then oxidized to form a 12-ketone, which is then exposed to excess hydrazide. Heat with hydrate to form chenodeoxycholic acid and then oxidize with potassium chromate in acetic acid or react with N-bromosuccinic acid imide in acetone to form the 7-ketone. Reduction of this with sodium metal in n-propanol yields a 7? Hydroxyl substrate, ursodeoxycholate. In the present invention, a natural product or a chemically synthesized product may be used. The medicament of the present invention has low toxicity and can be used safely in mammals (eg, humans, mice, rats, puppies, dogs, cats, puppies, puppies, bush, monkeys, etc.). The dose of the medicament of the present invention may be determined according to the dose of each drug, and depends on the administration subject, age and weight of the administration subject, symptoms, administration time, dosage form, administration method, drug combination, and the like. It can be selected as appropriate. For example, the bile acid component can be selected in the range of 0.1 to 3600 mg, preferably in the range of 0.5 to 3 mg when oral administration per adult per day. In addition, a drug containing butyric acid-producing bacteria and the like to be used in combination therewith can be appropriately selected based on the clinically used dose. For example, in the case of oral administration per adult per day, the clinical dose can be selected in the range of 11 sxiosxio, preferably 1 lxiossxio11. The appropriate number of doses is 1 to 3 times a day.
なお、 各有効成分の配合比は、 投与対象, 投与対象の年齢および体重: 症状, 投与時間, 剤形, 投与方法, 薬剤の組み合わせ等により、 適宜選 択することができ、 上記範囲で、 ヒ トの胆石症治療、 消化 · 整腸剤、 炎 症性腸疾患治療剤、 成長促進剤のいずれにも用いることができる。 本発明の組合せ医薬は、 これらの有効成分を別々にあるいは同時に、 生理学的に許容されうる担体、 賦形剤、 結合剤、 希釈剤などと混合し、 医薬組成物として経口または非経口的に投与することができる。 このと き有効成分を別々に医薬化した場合、 別々に製剤化したものを使用時に 希釈剤などを用いて混合して投与することができるが、 別々に製剤化し たものを、 別々に、 同時に、 または時間差をおいて同一対象に投与して もよい。 The compounding ratio of each active ingredient can be appropriately selected depending on the administration subject, age and weight of the administration subject: symptoms, administration time, dosage form, administration method, combination of drugs, and the like. It can be used for the treatment of cholelithiasis, digestive and intestinal medicine, inflammatory bowel disease treatment and growth promoter. The combination drug of the present invention comprises mixing these active ingredients separately or simultaneously with a physiologically acceptable carrier, excipient, binder, diluent, or the like. It can be administered orally or parenterally as a pharmaceutical composition. In this case, when the active ingredients are separately formulated as pharmaceuticals, they can be separately formulated and administered using a diluent at the time of use, but the separately formulated ones can be administered separately and simultaneously. Alternatively, they may be administered to the same subject at different times.
具体的には、 該医薬組成物においては、 前記酪酸産生菌と胆汁酸成分 との配合割合は、 該組成物 1 g中に酪酸産生菌を 1 X 1 0 6〜 1 X 1 0 1 1個含有することが好ましく、 より好ましくは 1 X 1 0 τ ΐ χ ΐ ο 1 0個である。 また、 胆汁酸成分は組成物 l g中に、 5〜600mgであ ることが好ましく、 より好ましくは 20〜 400 m gである。 酪酸産生 菌と胆汁酸成分の配合割合は使用目的により適宜選択することができる c 該医薬組成物を人を対象として使用する場合の投与量は、 1日 20〜 6000mgであり、 より好ましくは 1 00〜5000mg、 特に好ま しくは 250〜4000mgである。 特に、 胆石溶解、 胆石形成予防等 のいわゆる胆石症の予防ならびに治療に用いるには 1日 1 00〜 600 O Omgであり、 より好ましくは 500〜5000mg、 特に好ましく は 1 500〜 4000 m gである。 また、 消化 · 整腸剤として使用する 場合には、 1日 1 00〜6000mgであり、 より好ましくは 500〜 3000mg、 特に好ましくは 1 000〜2000mgである。 炎症性 腸疾患治療剤として使用する場合には、 1日 1 00〜600 Omgであ り、 より好ましくは 500〜 3000m g、 特に好ましくは 1 000〜 2000mgである。 これらの投与量は、 投与の対象、 症状、 年齢、 性 別、 体重等に応じて適宜選択することができる。 なお、 本発明の医薬を 食品、 例えば健康飲料等に配合する場合には、 1日 20〜 1 500mg であり、 より好ましくは 1 00〜800mg、 特に好ましくは 2 50〜 500 mgの投与とすることが好ましい。 また、 本発明の医薬は、 動物に使用することができる。 対象となる動 物としては、 ブ夕、 ィヌ、 ネコ、 サル、 ト リ、 ゥシ、 ゥマ等各種の動物 が含まれる。 これら動物を対象として用いる場合は、 投与量では、 1日 5〜350mg/k gであることが好ましく、 より好ましくは 1 0〜2 50mg/k g、 特に好ましくは 25〜200mg/kgである。 投与 の対象動物、 症状、 年齢、 性別、 体重等に応じて適宜選択することがで きる。 Specifically, in the pharmaceutical composition, the butyric acid-producing bacterium and the bile acid component are mixed in an amount of 1 × 10 6 to 1 × 10 11 butyric acid-producing bacteria in 1 g of the composition. preferably contains, more preferably 1 0 1 X 1 0 τ ΐ χ ΐ ο. The amount of the bile acid component in the composition lg is preferably from 5 to 600 mg, more preferably from 20 to 400 mg. The dose when using c pharmaceutical composition proportion of butyrate producing bacteria with bile acid component can be appropriately selected depending on the intended use as human subjects is 1 day. 20 to 6000 mg, more preferably 1 00 to 5000 mg, particularly preferably 250 to 4000 mg. In particular, the dose is 100 to 600 mg / day, more preferably 500 to 5000 mg / day, particularly preferably 1500 to 4000 mg / day for use in the prevention and treatment of so-called gallstone disease such as gallstone dissolution and prevention of gallstone formation. When used as a digestive / intestinal regulator, the dose is 100 to 6000 mg / day, more preferably 500 to 3000 mg / day, particularly preferably 1,000 to 2000 mg / day. When used as a therapeutic agent for inflammatory bowel disease, the amount is 100 to 600 mg / day, more preferably 500 to 3000 mg / day, particularly preferably 1,000 to 2000 mg / day. These dosages can be appropriately selected according to the administration subject, symptoms, age, sex, body weight, and the like. When the medicament of the present invention is incorporated into a food, for example, a health drink, the dose is 20 to 1,500 mg per day, preferably 100 to 800 mg, particularly preferably 250 to 500 mg. Is preferred. Further, the medicament of the present invention can be used for animals. The target animals include various animals, such as bush, dog, cat, monkey, bird, bird, pest and so on. When these animals are used as subjects, the dosage is preferably 5 to 350 mg / kg, more preferably 10 to 250 mg / kg, particularly preferably 25 to 200 mg / kg. It can be appropriately selected according to the target animal, symptoms, age, sex, body weight, etc. of the administration.
投与方法については、 経口投与が好ましく、 上記 1日量を 1回から 3 回に分けて服用することが好ましいが、 症状に応じて適宜回数を増減し てもよい。 特に、 動物に対しては、 1日量を 1回以上飼料に混ぜて投与 してもよい。 かかる場合、 該医薬組成物を散剤や顆粒剤としてそのまま 飼料に混ぜて用いることができ、 更に、 とうもろこし粉、 大豆かす、 大 麦粉、 裸麦粉、 大豆粉、 米ぬか、 馬鈴薯粉、 豆腐かす、 デンプン、 魚粉 等の家畜飼料にあらかじめ配合して投与することもできる。  As for the administration method, oral administration is preferable, and it is preferable to take the above daily dose in one to three divided doses, but the number may be increased or decreased as appropriate according to the symptoms. In particular, for animals, the daily dose may be administered once or more in the feed. In such a case, the pharmaceutical composition can be used as it is as a powder or granule by mixing it directly with feed, and furthermore, corn flour, soybean meal, barley flour, naked barley flour, soy flour, rice bran, potato flour, tofu grounds, starch, It can also be administered beforehand in animal feed such as fish meal.
.  .
上記医薬組成物は、 経口剤として、 例えば顆粒剤, 散剤、 錠剤、 カブ セル剤、 シロップ剤、 乳剤、 懸濁剤等の医薬とすることができる。 これ らの医薬は、 医薬工程において通常一般に用いられる自体公知の方法に より製造することができる。 以下に、 医薬の具体的な製造法について詳 述する。  The pharmaceutical composition can be used as an oral preparation, for example, a pharmaceutical preparation such as granules, powders, tablets, capsules, syrups, emulsions and suspensions. These medicaments can be produced by a method known per se that is generally used in the pharmaceutical process. Hereinafter, a specific method for producing a pharmaceutical will be described in detail.
経口剤としては、 有効成分である胆汁酸成分と前記酪酸産生菌等とを 含有するものであり、 さらに製薬上許容される賦形剤等を配合して経口 投与用組成物とすることができる。 配合可能な他の添加物としては、 乳 糖、 ショ糖、 マンニッ ト、 トウモロコシデンプン、 合成も しくは天然ガ ム、 結晶セルロースなどの賦形剤、 ゼラチン、 セルロース誘導体、 ァラ ビアゴム、 ポリビニルピロリ ドン等の結合剤、 カルボキシメチルセル口 —スカルシウム、 カルボキシメチルセルロースナト リウム、 デンプン、 コーンスターチ、 アルギン酸ナト リウム、 ポリエチレングリコール 6 0 0 0などの崩壊剤、 タルク、 ステアリン酸マグネシウム、 ステアリ ン酸 ナト リウムなどの滑沢剤、 炭酸カルシウム、 炭酸ナト リウム、 リン酸力 ルシゥム、 リン酸ナト リウムなどの充填剤または希釈剤等がある。 さら に目的、 症状に応じて他の成分を加えることもできる。 The oral preparation contains a bile acid component as an active ingredient and the above-mentioned butyric acid-producing bacterium and the like, and can further be mixed with a pharmaceutically acceptable excipient to prepare a composition for oral administration. . Other additives that can be blended include lactose, sucrose, mannite, corn starch, synthetic or natural gum, excipients such as crystalline cellulose, gelatin, cellulose derivatives, arabia gum, polyvinylpyrrolidone. Binders such as carboxymethyl cell mouth —Disintegrants such as scalcium, sodium carboxymethylcellulose, starch, corn starch, sodium alginate, polyethylene glycol 600, lubricants such as talc, magnesium stearate, sodium stearate, calcium carbonate, sodium carbonate There are fillers or diluents such as lium, phosphoric acid, sodium phosphate, etc. In addition, other ingredients can be added depending on the purpose and symptoms.
また、 糖衣錠ゃコ一ティ ング錠、 徐放剤とすることができ、 さらに内 服液剤やペース ト剤等としてもよい。 また、 ヒ ドロキシプロピルメチル セルロースフタレート、 ヒ ドロキシプロピルメチルセルロースァセテ一 ト、 セルロースアセテートフタレート、 メタク リ レ一トコポリマ一等の 被覆用基材を用いて腸溶性剤としてもよい。 胆汁酸成分は苦みを有する ため、 苦みを防止する点で糖衣錠や硬質または軟質のゼラチンカプセル などを用いてカプセル剤とすることができる。 但し、 苦みが苦味健胃薬 的に作用する点を利用して、 苦みを有するまま、 散剤、 顆粒剤、 打錠剤、 内服液剤等とすることもできる。  In addition, sugar-coated tablets, coated tablets, sustained-release preparations, and oral liquid preparations and pastes may be used. An enteric agent may be used by using a coating substrate such as hydroxypropylmethylcellulose phthalate, hydroxypropylmethylcellulose acetate, cellulose acetate phthalate, and methacrylate copolymer. Since the bile acid component has bitterness, it can be made into capsules using sugar-coated tablets or hard or soft gelatin capsules to prevent bitterness. However, taking advantage of the fact that bitterness acts as a bitter stomachic, powders, granules, tablets, tablets, and the like can be used while having bitterness.
さらに、 上記酪酸産生菌の菌体または芽胞および胆汁酸成分とを水や アルコール等に懸濁、 溶解し、 必要に応じて湿潤剤、 乳化剤、 分散助剤、 界面活性剤、 甘味料、 フ レーバー、 芳香物質等を適宜添加して、 シロッ プ剤、 エリキシル剤等とすることもできる。 該医薬組成物は、 上記添加物の他に食物繊維、 オリゴ糖、 穀物類、 ビ 夕 ミ ン類等を加え、 さらにフ レーバーや矯味剤等を加え、 食に適した形 態に加工することも可能である。 本発明の医薬は、 配合される有効成分の作用により胆石症治療剤、 消 化 · 整腸剤、 炎症性腸疾患治療剤または成長促進剤として使用できる。 即ち、 本発明の医薬は、 前記酪酸産生菌等と胆汁酸成分との配合によ り、 優れた胆石溶解作用、 胆石形成抑制作用を発揮する。 従って、 胆石 症の治療薬として使用すると、 容易に胆石が溶解でき、 再発しやすい胆 石症の再発予防薬ともなる。 更に胆石形成抑制作用により胆石予防薬と しても使用することができる。 特に、 相乗的に発揮される優れた胆石溶 解作用に鑑み、 胆汁酸成分の使用量を減量させることも可能であり、 胆 汁酸成分によって生ずる下痢や軟便等の副作用を軽減することができる c 従って、 胆石症治療用医薬として有用である。 Further, the cells or spores of the butyric acid-producing bacterium and the bile acid component are suspended and dissolved in water, alcohol, or the like, and, if necessary, a wetting agent, an emulsifier, a dispersing aid, a surfactant, a sweetener, or a flavor. A syrup, an elixir and the like can be prepared by appropriately adding an aromatic substance or the like. The pharmaceutical composition may be processed into a form suitable for food by adding dietary fiber, oligosaccharides, cereals, biminins, and the like in addition to the above additives, and further adding a flavor, a flavoring agent, and the like. Is also possible. The medicament of the present invention can be used as a therapeutic agent for cholelithiasis, an anti-inflammatory / intestinal treatment agent, a therapeutic agent for inflammatory bowel disease or a growth promoting agent, by the action of the combined active ingredient. That is, the medicament of the present invention exhibits excellent gallstone dissolving action and gallstone formation suppressing action by combining the butyric acid-producing bacterium and the bile acid component. Therefore, when used as a treatment for gallstone disease, gallstones can be easily dissolved, and it is also a preventive agent for cholelithiasis that tends to recur. Furthermore, it can be used as a gallstone preventive agent due to its gallstone formation inhibitory action. In particular, in view of the synergistic superior action of dissolving gallstones, it is possible to reduce the amount of bile acid components used, and to reduce side effects such as diarrhea and loose stool caused by bile acid components. c Therefore, it is useful as a drug for the treatment of cholelithiasis.
-本発明の医薬を使用して、 大腸炎等の腸管炎症疾患において、 当該疾 患により生ずる下痢や軟便、 出血等を改善し、 かつ損傷部位を治癒する ことができる。 従って、 炎症性腸疾患治療剤として有用である。 ここに 炎症性腸疾患治療剤として、 感染性のサルモネラ腸炎、 腸炎ビブリオ腸 炎、 キャンピロパクター腸炎、 エルシニア腸炎、 ブドウ球菌胃腸炎など があり、 非感染性のものとしてアレルギー性胃腸炎、 炎症性腸炎、 潰瘍 性大腸炎、 クローン病、 過敏性腸症候群、 薬剤による腸炎等が含まれる < さらに本発明の医薬は、 炎症性腸疾患等における消化不良状態を改善 し、 病態をより短期間のうちに改善することを可能とする医薬品や食品. 飼料添加物等に添加できる医薬として使用することができる。 このため- 消化吸収を促進し、 整腸作用を有することから一般用医薬品としても消 ィ匕 · 整腸剤として用いることができる。  -With the use of the medicament of the present invention, diarrhea, loose stool, bleeding, etc. caused by intestinal inflammatory diseases such as colitis can be improved, and the damaged site can be cured. Therefore, it is useful as a therapeutic agent for inflammatory bowel disease. Here, there are infectious Salmonella enteritis, Vibrio parahaemolyticus, Campylobacter enteritis, Yersinia enteritis, staphylococcal gastroenteritis, etc. as therapeutic agents for inflammatory bowel disease, and non-infectious agents include allergic gastroenteritis, inflammation Ulcerative colitis, ulcerative colitis, Crohn's disease, irritable bowel syndrome, drug-induced enteritis, etc. <In addition, the medicament of the present invention improves dyspepsia in inflammatory bowel disease, etc. It can be used as a drug that can be added to pharmaceuticals, foods, feed additives, etc., that can be improved at home. For this reason, it promotes digestion and absorption and has an intestinal action, so that it can be used as a general purpose drug and as an intestinal / intestinal medicine.
加えて、 本発明の医薬を食品や飼料に添加して使用すると、 成長促進 効果を発揮し、 成長促進剤として有用である。 発明を実施するための最良の形態  In addition, when the medicament of the present invention is used by adding it to food and feed, it exhibits a growth promoting effect and is useful as a growth promoter. BEST MODE FOR CARRYING OUT THE INVENTION
以下、 本発明の実施例により具体的に説明する。 (実施例 1 ) Hereinafter, the present invention will be described specifically with reference to examples. (Example 1)
ウルソデォキシコール酸と酪酸産生菌等とを含有する医薬の安定性を 調べるため、 GAMブイヨン培地 1 m 1にウルソデォキシコール酸を 0 , 5 mg添加し、 ついで酪酸産生菌として C b M 588を 1 m 1当たり 5. 4 x 1 0 3個接種し、 嫌気状態を保ち、 3 7°Cで 2 4時間培養した。 こ の結果、 培養 2 4時間後には 2. 0 1 0 7個に増殖しており、 C b M 588はウルソデォキシコール酸によって増殖を阻害されないことが判明 した。 更に、 ウルソデォキシコール酸以外のコール酸の組成をガスクロ マ トグラフにより調査した結果、 ウルソデォキシコール酸以外のコール 酸を検出せず、 ウルソデォキシコール酸は C b M 588によって化学的な 変換を受けないことが判明した。 To investigate the stability of a drug containing ursodeoxycholic acid and butyric acid-producing bacteria, add 0,5 mg of ursodeoxycholic acid to 1 ml of GAM broth medium, and then add C as butyric acid-producing bacteria. b M588 was inoculated at 5.4 × 10 3 cells / m 3 , maintained in an anaerobic state, and cultured at 37 ° C. for 24 hours. Result of this, the 2 4 hours of culture 2. have proliferated 0 1 0 7, C b M 588 was found to be not inhibited proliferation by Urso de O carboxymethyl cholate. Furthermore, the composition of cholic acid other than ursodeoxycholic acid was examined by gas chromatography.As a result, no cholic acid other than ursodeoxycholic acid was detected, and ursodeoxycholic acid was detected by CbM588. No chemical conversion was found.
(実施例 2 ) (Example 2)
表一 3に示す配合量で酪酸産生菌、 ウルソデォキシコール酸、 トウモ ロコシデンプンを混合し、 処方 A、 B、 Cの各組成物を得た。 酪酸菌は、 C S培地 (特開昭 5 9— 1 8 7 7 8 4号公報に掲載) で培養した C bM The butyric acid-producing bacteria, ursodeoxycholic acid, and corn starch were mixed in the amounts shown in Table 13 to obtain compositions of Formulations A, B, and C. Butyric acid bacterium was cultured on CsM medium (published in JP-A-59-187787).
5 8 8を噴霧乾燥して使用した。 これら製剤は、 いずれも白色で均質 な粉末であり、 製剤中の酪酸産生菌の生菌数はそれそれ、 8. 6 x 1 0 8/g (処方 A) 、 8. 9 X 1 08/g (処方 B) であった。 588 was spray dried and used. These formulations are both homogeneous powder white, viable count of butyrate producing bacteria in the formulation it it, 8. 6 x 1 0 8 / g ( Formulation A), 8. 9 X 1 0 8 / g (formulation B).
表一 3 Table 1 3
Figure imgf000021_0001
Figure imgf000021_0001
(実施例 3 ) (Example 3)
一群 7頭の Wi s t a r系雄性ラッ ト (体重約 200 g) を 3群に分 け、 2 2. 9 ± 0. 5 °C、 湿度 5 2. 3士 4. 5 %の環境下で、 自由に 固型飼料 (CE— 2、 日本クレア社製) と水道水が摂取できる条件で飼 育した。  Seven Wistar male rats (weight: about 200 g) were divided into three groups, each group consisting of 7 Wistar rats, which were freely used in an environment of 22.9 ± 0.5 ° C and a humidity of 52.3% 4.5%. They were bred under solid feed (CE-2, manufactured by CLEA Japan) and tap water.
このラヅ トに表一 3に示す各処方 (処方 A、 B、 C) の組成物を水に 懸濁させ、 1日 1回 1 0 mg/頭を経口投与した。 これを 14日間続け、 7日目と 1 4日目にラッ トの便性状の観察し体重を測定すると共に、 0 日目、 7日目、 1 4日目に体重を測定した。 結果を表一 4に示す。  The composition of each of the formulations shown in Table 13 (formulations A, B, and C) was suspended in water and orally administered at a dose of 10 mg / head once a day. This was continued for 14 days, and on days 7 and 14, the rats were observed for stool properties, weighed, and weighed on days 0, 7, and 14. Table 14 shows the results.
表— 4から、 処方 C投与群では、 7日目、 1 4日目で軟便を呈した動 物はそれぞれ 7頭中 2頭、 7頭中 3頭であつたが、 処方 B投与群、 処方 A投与群では軟便は認められなかった。  From Table 4, it can be seen that in the group receiving the prescription C, 2/7 and 3/7 of the animals showed loose stools on the 7th and 14th days, respectively. No loose stool was observed in the A group.
一方、 体重は、 投与 0日目で処方群間に差が認められなかった。 しか し、 処方 A、 B群の体重増加は処方 C群と比べて高く、 投与 7日目では- C群の体重は A、 Bに比べて低かった。 A群と C群間で統計学的に有意 差を認めた (P < 0. 05) 。 投与 14日目で最も体重増加が著しかつ たのは処方 B群であり、 続いて A群、 増加が最も少なかったのは C群で あり、 B群と C群との体重差は統計学的は有意差を認めた ( p < 0 . 0 5 ) o On the other hand, there was no difference in body weight between the prescribed groups on day 0 of administration. However, the weight gain of the prescription groups A and B was higher than that of the prescription group C, and on day 7 of the administration, the weight of the -C group was lower than that of the prescription groups A and B. There was a statistically significant difference between groups A and C (P <0.05). On day 14 of administration, the predominant group gained the most weight, followed by group A, followed by group A, and group C the least. Yes, there was a statistically significant difference in the body weight difference between group B and group C (p <0.05) o
以上より、 ウルソデォキシコール酸のみを投与したラッ トは、 下痢や 軟便を呈し、 かつ体重増加が比較的少ないのに対して、 これに酪酸酸菌 を併用すると、 この副作用の発現が消失し、 食欲が旺盛であって体重は 最も増加した。 表一 4  From the above, rats administered only ursodeoxycholic acid showed diarrhea and loose stool and had relatively little weight gain, whereas the combined use of butyric acid bacteria eliminated this side effect. However, he had a strong appetite and gained the most weight. Table 1 4
Figure imgf000022_0001
(実施例 4 )
Figure imgf000022_0001
(Example 4)
S D系雄性ラッ ト (体重約 2 0 0 g) を実施例 2 と同様の条件で飼育し、 飲水には、 デキス トラン硫酸ナト リウム (和光純薬 (株) 製) を 3 %の 割合で水道水に溶解し、 これを連日自由に摂取させ潰瘍性大腸炎モデル を作成した。  An SD male rat (body weight: about 200 g) was bred under the same conditions as in Example 2, and dextran sulfate (manufactured by Wako Pure Chemical Industries, Ltd.) was used for drinking water at a rate of 3%. It was dissolved in water and taken freely every day to create an ulcerative colitis model.
摂取開始 1 0日後に糞便を観察し、 便に血液が混じっているラッ トを 選抜し、 これを一群 5頭として 4群に分けた。 その後デキス トラン硫酸 ナト リウムの濃度を 1 %とした水道水を与えるとともに、 各群には上記 の処方 A、 処方 B、 処方 Cの各組成物を 1 日 1回、 5 m g /頭を 1 0日 間経日的に投与した。  Ten days after the start of ingestion, feces were observed, and rats with stool mixed with blood were selected and divided into four groups, each group consisting of five rats. After that, tap water with a sodium dextran sulfate concentration of 1% was given, and each group was given the above formulation A, B, and C once a day at 5 mg / head at 10 mg. The drug was administered daily.
1 %飲水開始後 1 1 日目で体重測定を行い、 糞便を観察するとともに. ラッ トを屠殺、 解剖し、 腸管を摘出した。 次にこの標本を 1 0 %中性緩 衝ホルマリ ン溶液で固定し、 1 %アルシアンブルー溶液で染色し、 大腸 炎の程度を観察した。 なお、 薬剤を投与せず、 1 %デキス トラン硫酸ナ ト リゥムのみを投与した対照群も同様に処置した。 結果を表一 5に示す。 なお、 大腸炎は、 スコア一 1 : 弱い、 スコア一 2: 中等度の大腸炎、 スコ ァ一 3: 激しい大腸炎として評価した。 On the 1st day after starting 1% drinking water, weigh the body and observe feces. The rat was sacrificed, dissected, and the intestinal tract was removed. Next, the specimen was fixed with a 10% neutral buffered formalin solution and stained with a 1% Alcian blue solution to observe the degree of colitis. A control group receiving no drug and only 1% sodium dextran sulfate was treated in the same manner. Table 5 shows the results. In addition, colitis was evaluated as score 1: weak, score 1: moderate colitis, and score 3: severe colitis.
ウルソデォキシコール酸と酩酸菌とを併用した処方 Bは、 処方 Aと同様 に、 処方 Cと比較して、 下痢 · 軟便を良好に抑制し、 便への出血を抑制 した。 また、 体重増加も処方 B投与群では良好であり、 大腸炎について も、 処方 A、 処方 Cよりも、 よりいつそう強い抑制効果が認められ、 5頭 中 2頭はほぼ大腸炎は消失していた。 Formulation B, which used a combination of ursodeoxycholic acid and dung bacillus, as well as Formulation A, successfully suppressed diarrhea and loose stools and suppressed stool bleeding. Body weight gain was also favorable in the group given the prescription B, and colitis was even more strongly suppressed than in the prescriptions A and C, with colitis almost disappearing in 2 out of 5 animals. Was.
表一 5 Table 1 5
Figure imgf000024_0001
Figure imgf000024_0001
(実施例 5 ) (Example 5)
一群 5頭の I C R系雄性マウス (体重約 2 0 g) 4群を、 2 2. 9土 0 · 5°C、 湿度 5 2 · 3 ±4. 5 %の環境下で飼育した。 但し、 飼料に はコレステロールを 1 %とコール酸ナト リウムを 0. 5 %の割合で混ぜ た固型食 ( C E— 2にコレステロールを 1 %とコール酸ナト リウムを 0. 5 %の割合で混合し固形化した飼料、 日本クレア社製) を与えた。  Four groups of five male ICR male mice (weight: about 20 g) were bred in an environment of 22.9 soil at 0.5 ° C and a humidity of 52.3 ± 4.5%. However, the feed is a solid diet containing 1% cholesterol and 0.5% sodium cholate (1% cholesterol and 0.5% sodium cholate mixed with CE-2). And solidified feed (manufactured by CLEA Japan).
この高コレステロール食を与えた 3群には、 表一 3に示す処方 A、 B、 Cの各組成物をそれぞれ 1 日 1回、 各 5 m g/頭を 3 0日間、 経口的に 投与した。 他の 1群は対照として薬剤投与を行わなかった。 投与開始後 3 1 日目にマウスを屠殺、 解剖し、 胆のうを摘出し、 その中の胆石形成 を評価した。  The three groups receiving the high cholesterol diet were orally administered each of the compositions of Formulations A, B, and C shown in Table 13 once a day, each at 5 mg / head for 30 days. The other group did not receive drug administration as a control. On the 31st day after the start of the administration, the mice were sacrificed and dissected, the gallbladder was removed, and the formation of gallstones was evaluated.
胆石形成は、 スコア一 0 : 胆のう中胆石なし、 スコア一 1: 胆のう中 0〜1/3を占めるもの、 スコア一 2: 胆のう中 1/3〜1/2を占めるもの、 スコア一 3: 胆のう中 1/2以上を占めるもの、 として評価した。 5頭の マウスの各スコアと各処方投与群の平均を表— 6に示す。  Gallstone formation is: Score 1 0: No gallbladder gallstones, Score 1: 1: Gallbladder occupies 0 to 1/3, Score 1: 2: Gallbladder occupies 1/3 to 1/2, Score 1: 3: Gallbladder It was evaluated as occupying more than 1/2 of them. Table 6 shows the scores of the five mice and the average of the groups administered with each prescription.
ウルソデォキシコール酸と酪酸産生菌とを併用した処方 Bでは、 処方 A、 処方 Cと比較して、 胆石形成を強く抑制した。 表一 6 Formula B, which used a combination of ursodeoxycholic acid and butyric acid-producing bacteria, suppressed gallstone formation more strongly than Formula A and Formula C. Table 1 6
Figure imgf000025_0001
Figure imgf000025_0001
(実施例 6 ) (Example 6)
実施例 5 と同様のマウスに同様の高コレステロール固型食を 2 5 日間 摂取させた後、 これらのマウスを普通食に戻すとともに、 一群 5頭 5群 に分けた。 うち 3群は A剤、 B剤、 C剤をそれぞれ 1 日 1回、 各 5 m g /頭を 3 0 日間経口的に投与した。 他の 1群は対照として薬剤投与を行 わなかった。 もう一群は直ちに屠殺、 解剖し、 胆石形成について評価し た。 薬剤投与群、 対象群は 3 0 日後同様に屠殺し、 胆石溶解について評 価した。  After the same mice as in Example 5 were ingested with the same high cholesterol solid diet for 25 days, the mice were returned to the normal diet and divided into groups of 5 mice and 5 groups. Of the three groups, the A, B, and C agents were orally administered once each day at 5 mg / head for 30 days. The other group did not receive drug administration as a control. The other group was immediately sacrificed, dissected and evaluated for gallstone formation. The drug administration group and the control group were sacrificed in the same manner 30 days later, and gallstone dissolution was evaluated.
胆石溶解は、 スコア一 0 : 胆のう中胆石なし、 スコア一 1 : 胆のう中 0〜1/ 3を占めるもの、 スコア一 2 : 胆のう中 1/ 3〜1/2を占めるもの、 スコア一 3: 胆のう中 1/2以上を占めるもの、 として評価した。 5頭の マウスの各スコアと各処方投与群の平均を表一 7に示す。 ウルソデォキシコール酸と酪酸産生菌とを併用した処方 Bでは、 処方 A、 処方 Cと比較して、 胆石溶解作用もよりいつそう増強されることが示さ れた。 表一 7 Gallstone dissolution, Score 1 0: No gallbladder gallstones, Score 1: 1: Gallbladder occupies 0 to 1/3, Score 1: 2: Gallbladder occupies 1/3 to 1/2, Score 1: 3: Gall bladder It was evaluated as occupying more than 1/2 of them. Table 17 shows the scores of the five mice and the average of each prescription group. Formula B, which used a combination of ursodeoxycholic acid and butyric acid-producing bacterium, showed that the gallstone dissolving effect was even more potent than Formula A and Formula C. Table 7
5 のマウスの各スコァ 胆石溶解 (平均) 処方 A 2 2 1.6±1.1 処方 B 2 1 1.4±0,5 処方 C 1 2 1.6±0.5 対照群 2 2.0±0.7 直ちに屠殺した群
Figure imgf000026_0001
2 1 1.8±0.4 発明の効果
Gallstone dissolution (average) in each of the 5 mice Formula A 2 21.6 ± 1.1 Formula B 2 11.4 ± 0, 5 Formula C 1 21.6 ± 0.5 Control group 2 2.0 ± 0.7 Group killed immediately
Figure imgf000026_0001
2 1 1.8 ± 0.4 Effect of the Invention
( 1 ) 本発明によれば、 人や動物において、 胆汁酸成分による治療の 過程で発生した下痢や軟便などの副作用を予防し治療することができ、 さらに胆石症に対する治療ならびに予防をより効果的に行い、 加えて炎 症性腸疾患等における消化不良を改善し、 消耗を防ぎ、 病態をより短期 間のうちに改善する医薬や食品、 飼料添加物等に用いる組成物が提供さ れる。 胆汁酸成分と酪酸産生菌等との組み合わせにより、 胆石溶解作用、 胆石形成抑制作用が相乗的に増強され、 治療期間を短縮することができ る ο  (1) According to the present invention, in humans and animals, it is possible to prevent and treat side effects such as diarrhea and loose stool that occur during the course of treatment with bile acid components, and to more effectively treat and prevent gallstone disease. In addition, the present invention provides a composition for use in medicines, foods, feed additives, etc., which improves indigestion in inflammatory bowel disease and the like, prevents wasting, and improves the condition in a shorter period of time. The combination of bile acid components and butyric acid-producing bacteria, etc. synergistically enhances gallstone dissolving action and gallstone formation inhibitory action, and can shorten the treatment period.
( 2 ) 本発明の組成物は、 酪酸産生菌等による腸粘膜の保護、 修復作 用と、 胆汁酸成分による消化吸収促進作用とにより、 感染性のサルモネ ラ腸炎や腸炎ビブリォ腸炎、 非感染性の潰瘍性大腸炎やクローン病など の炎症性腸疾患における出血、 炎症等の症状を改善するとともに、 消化 不良状態を改善し、 治療期間を短縮することができる。  (2) The composition of the present invention is capable of protecting and repairing intestinal mucosa by butyric acid-producing bacteria and the like, and promoting digestive absorption by a bile acid component, thereby producing infectious Salmonella enteritis, Vibrio parahaemolyticus, non-infectious It can improve bleeding, inflammation and other symptoms in inflammatory bowel diseases such as ulcerative colitis and Crohn's disease, improve dyspepsia, and shorten the treatment period.
更に、 酪酸産生菌等の持つ整腸作用と胆汁酸成分の食物の消化吸収促 進作用が相まって消化 · 整腸作用を有する胃腸薬や消化 · 整腸剤として も有用である。 加えて、 家畜などの経済動物においては、 これら酪酸産 生菌と胆汁酸成分とによる消化 · 整腸作用を通じて優れた成長作用、 特 に体重増加効果を奏することができる。 Furthermore, the intestinal action of butyric acid-producing bacteria and the like and the action of bile acid components to promote the digestion and absorption of food are useful as a gastrointestinal drug or a digestive / intestinal drug having a digestive / intestinal action. In addition, economic animals such as livestock produce It has an excellent growth effect, especially a weight gain effect, through digestion and intestinal regulation by live bacteria and bile acid components.
( 3 ) 本発明の組成物によれば、 元来慢性化しやすくかつ再発しやす いため、 胆汁酸成分のみでは数か月から数年の薬剤服用を余儀なくされ る疾患に対し、 二成分を配合し一剤とすることで両者の相乗効果により 容易に胆石を溶解することができる。  (3) According to the composition of the present invention, two components are combined for a disease in which the bile acid component alone is required to take a drug for several months to several years because the component is easily prone to chronicity and recurrence. By using one agent, gallstones can be easily dissolved by the synergistic effect of both.
( 4 ) 本発明の組成物は、 二剤の配合により消化吸収をより効果的に 促進することができる。 更に、 炎症性腸疾患時、 腸における消化吸収は 概して不良でその病態は容易には改善せず、 慢性化するのであるが、 本 発明は作用機序のそれぞれ異なる成分の組成物をもって消化吸収を促し、 消耗を防ぎ、 病態をより短期問のうちに改善することができる。 産業上の利用可能性  (4) The composition of the present invention can promote digestion and absorption more effectively by combining two agents. Furthermore, in the case of inflammatory bowel disease, digestion and absorption in the intestine are generally poor, and the condition is not easily improved, but becomes chronic. However, the present invention provides digestion and absorption with compositions of components having different mechanisms of action. It can encourage, prevent wasting, and improve the condition in less time. Industrial applicability
本発明によれば、 胆石症の予防や治療を効果的に行い、 加えて炎症性 腸疾患等における消化不良を改善し、 消耗を防ぎ、 病態をより短期間の うちに改善する医薬が提供される。 これにより、 胆石溶解作用、 胆石形 成抑制作用が相乗的に増強され、 治療期間を短縮することができるヒ ト や他の動物に有用である。  According to the present invention, there is provided a medicine for effectively preventing and treating cholelithiasis, improving dyspepsia in inflammatory bowel disease and the like, preventing wasting, and improving the condition in a shorter time. You. Thus, the gallstone dissolving action and the gallstone formation inhibitory action are synergistically enhanced, which is useful for humans and other animals that can shorten the treatment period.

Claims

B冃 求 の 範 囲 B 冃 Range of request
1. クロス ト リジゥム属に属する酪酸産生菌の菌体またはその芽胞 と、 胆汁酸、 その抱合体またはそれらの薬理学的許容可能な塩とを組合 せてなる医薬。 1. A medicament obtained by combining cells of butyric acid-producing bacteria belonging to the genus Clostridium or spores thereof with bile acids, conjugates thereof, or pharmacologically acceptable salts thereof.
2. 前記酪酸産生菌がクロス ト リジゥム ブチリカム ミヤイ リ 5 85 ( F E RM BP— 68 1 5 ) 、 クロス ト リジゥム ブチリカム ミヤイ リ 595 (F ERM BP— 68 1 6) 、 クロス ト リジゥム ブ チリカム ミヤイ リ 630 (FERM BP— 68 1 7) 、 クロス ト リ ジゥム ブチリカム ミヤイ リ 588 ( F E RM BP— 27 89) か らなる群から選ばれた少なく とも 1種であり、 前記胆汁酸、 その抱合体 またはそれらの薬理学的許容可能な塩が、 ウルソデスォキシコール酸、 デヒ ドロコール酸、 ケノデォキシコール酸、 タウロウルソデォキシコ一 ル酸、 グリコウルソデォキシコール酸、 ウルソデォキシコール酸— 3— ダルクロニドもしくはこれらの塩またはこれらの抱合体よりなる群かち 選ばれる少なく とも 1種であることを特徴とする請求項 1記載の医薬。  2. The above-mentioned butyric acid-producing bacteria are Clostridium butyricum Miyai 585 (FERM BP-68 15), Clostridium butyricum Miyali 595 (F ERM BP-68 16), and Clostridium butyricum Miyai 630. (FERM BP-68 17) and at least one selected from the group consisting of Clostridium butyricum Miyairi 588 (FERM BP-27 89), wherein the bile acid, conjugate thereof or Pharmaceutically acceptable salts include ursodesoxycholic acid, dehydrocholic acid, chenodeoxycholic acid, tauroursodeoxycholate, glycoursodeoxycholic acid, ursodeoxychol 2. The medicament according to claim 1, wherein the medicament is at least one selected from the group consisting of acid-3-dalcuronide, a salt thereof, and a conjugate thereof.
3. 前記胆汁酸、 その抱合体またはそれらの薬理学的許容可能な塩 の配合量が、 前記酪酸産生菌 l x l O e l x l O 1 1個に対して 5〜6 0 Omgであることを特徴とする請求項 1または 2記載の医薬。 3. The compounding amount of the bile acid, the conjugate thereof or the pharmacologically acceptable salt thereof is 5 to 60 Omg per 1 of the butyric acid-producing bacterium lxl O elxl O 1. 3. The medicament according to claim 1 or 2.
4. 胆石症治療剤である請求項 1〜 3のいずれかに記載の医薬。 4. The medicament according to any one of claims 1 to 3, which is a therapeutic agent for cholelithiasis.
5. 消化 · 整腸剤である請求項 1〜 3のいずれかに記載の医薬。5. The medicament according to any one of claims 1 to 3, which is a digestive / intestinal medicine.
6. 炎症性腸疾患治療剤である請求項 1〜 3のいずれかに記載の医 。 6. The medicine according to any one of claims 1 to 3, which is a therapeutic agent for inflammatory bowel disease.
7. 成長促進剤である請求項 1〜 3のいずれかに記載の医薬。  7. The medicament according to any one of claims 1 to 3, which is a growth promoter.
PCT/JP1999/004448 1998-08-20 1999-08-19 Rugs comprising butyric acid-producing bacterium combined with bile acid component WO2000010581A1 (en)

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