CA2581606A1 - Carrier-free composition for the treatment of onychomycosis - Google Patents

Carrier-free composition for the treatment of onychomycosis Download PDF

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Publication number
CA2581606A1
CA2581606A1 CA002581606A CA2581606A CA2581606A1 CA 2581606 A1 CA2581606 A1 CA 2581606A1 CA 002581606 A CA002581606 A CA 002581606A CA 2581606 A CA2581606 A CA 2581606A CA 2581606 A1 CA2581606 A1 CA 2581606A1
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CA
Canada
Prior art keywords
composition
ingredients
carrier
mixture
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002581606A
Other languages
French (fr)
Inventor
Muraleedharan G. Nair
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Michigan State University MSU
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2581606A1 publication Critical patent/CA2581606A1/en
Abandoned legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/12Ketones
    • A61K31/122Ketones having the oxygen directly attached to a ring, e.g. quinones, vitamin K1, anthralin
    • A61K31/125Camphor; Nuclear substituted derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/045Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
    • A61K31/05Phenols
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/61Myrtaceae (Myrtle family), e.g. teatree or eucalyptus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00Drugs for dermatological disorders
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/10Antimycotics

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Epidemiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Alternative & Traditional Medicine (AREA)
  • Medical Informatics (AREA)
  • Dermatology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

A composition for the treatment of onychomycosis (fungal nail disease) is described. The composition consists essentially of thymol, camphor, menthol and Eucalyptus citridiora as a colorless liquid oil without any carrier or solvent for these ingredients.

Description

CARRIER-FREE COMPOSITION FOR THE TREATMENT
OF ONYCHOMYCOSIS
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] Not Applicable STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR
DEVELOPMENT
[0002] Not Applicable STATEMENT REGARDING GOVERNMENT RIGHTS
[0003] Not Applicable BACKGROUND OF THE INVENTION
(1) Field of the Invention [0004] The present invention relates to a carrier-free composition which is an onychomycosis (fungal nail disease) therapeutic agent. In particular, the present invention relates to a composition consisting essentially of thymol, camphor, menthol and Eucalyptus citridiora oil.
(2) Description of the Related Art [0005] U.S. Patent No. 6,344,190 to Nair et al describes the use of camphor, menthol, eucalyptus and thymol with a carrier which is a solvent for the ingredients;
particularly, an ester of an alcohol such as isoamyl alcohol. This was done to solubilize the ingredients. It was thought that the carrier was necessary for this purpose.
OBJECTS
[0006] It is therefore an object of the present invention to provide a carrier-free composition wherein the ingredients are solubilized to provide a clear solution. It is further an object of the present invention to provide a method for the preparation of the composition. It is also an object of the present invention to provide a method for the use of the composition. These and other objects will become increasingly apparent by reference to the following description.

SUMMARY OF THE INVENTION
[0007] The present invention relates to a composition which consists essentially of (1) thymol, (2) camphor, (3) menthol and (4) Eucalyptus citridiora oil as ingredients in amounts which provide a colorless liquid in absence of a carrier. Preferably, the composition contains equal parts by weight of the ingredients. Further, the composition of the colorless liquid has been provided by a method which comprises stirring ingredients (1) to (3) into ingredient (4) to provide the colorless liquid. Still further, the composition of the ingredients (1) to (3) are introduced into ingredient (4) and then the mixture is heated to produce the colorless liquid. Preferably, the composition of the mixture has been heated up to about 80 C.
[0008] Further, the present invention relates to a method for the preparation of a pharmaceutical composition which comprises: mixing (1) thymol, (2) camphor, and (3) menthol into (4) Eucalyptus citridiora oil; and treating the mixture to provide a colorless oil. Preferably, the present invention relates to the method wherein the treating is by heating the mixture. Still further, the present invention relates to the method wherein the treating is by mixing the ingredi,ents over a period of time to provide the colorless mixture.
[0009] Further still, the present invention relates to a method of treating toenail fungal infections which comprises: applying a composition which consists essentially of (1) thymol, (2) camphor, (3) menthol, and (4) Eucalyptus citridiora oil as ingredients in amounts which provide a colorless liquid in absence of a carrier.
Preferably, the method of the composition contains equal parts of the ingredients.
[0010] The substance and advantages of the present invention will become increasingly apparent by reference to the following description.

DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0011] Equal weights of thymol, camphor, menthol and Eucalyptus citridiora oil were used to formulate the TNF
therapeutic agent resulting to a clear liquid that penetrates the cuticles and nails. The Eucalyptus citridiora oil was weighed first and stirred with equal weights of solid thymol, menthol and camphor. The mixture was then warmed to 80 C till it forms a colorless liquid or stir at room temperature till the solids dissolve to form a colorless.liquid. The resulting product is easy to apply on infected nails using a nail polish applicator or by a cotton swab.
[0012] Tests were performed with the composition on toenail fungi as follows:
[0013] Components in the formulation were equal weights of the following compounds 1-4:

1. Camphor OH

2. Menthol 3. Thymol 4. E. citridiora oil [0014] Microbial cultures. All organisms, except the Fusarium and Candida spp., were purchased from American Type Culture Collection (ATCC), Manassas, Virginia, USA. The Fusarium and Candida spp. were Michigan State University (MSU) strains (Nair, M.G., Putnam, A.R., Mishra, S.K., Mulks, M.H., Taft, W.H., Keller, J.E., Miller, J.R., Zhu, P.P., Meinhart, J.D., Lynn, D.G. 1989. Fae,riefungin: A new broad-spectrum antibiotic from Streptomyces griseus var.
autotrophicus. J Nat Prod 52: 797-809).
[0015] Antimicrobial assay.M. canis (ATCC 42888), E.
floccosum (ATCC 44685), F. oxysporum (MSU strain), F.
proliferatum (MSU strain), A. chrysogenum (ATCC 22571), A.
strictum (ATCC 46646), A. terreus (ATCC 52293), and A.
flavus (ATCC 60040) were cultured in Petri dishes containing PDA medium (20 mL). T. rubrum (ATCC 28202), T.
mentagrophytes (ATCC 42194), S. brevicaulis (ATCC 36139), and S. dimidiatum (ATCC 46921) were cultured in Petri dishes containing Emmon's modification of Sabouraud's agar medium (20 mL). S. hyalinum (ATCC 66093) was cultured in Petri dishes containing Malt extract agar medium (20 mL).
The test organisms C. albicans (MSU strain), C. kruseii (MSU
strain), and C. parapsilosis (MSU strain) were cultured in Petri dishes containing YMG media (20 mL).
[0016] The cells from a fully- grown plate of each organism were suspended in saline solution (5 mL) and diluted to obtain 5 x 106 CFU/mL using a hemacytometer. 50 ~L of this suspension was used to inoculate I mL of respective growth medium of each test organism. Test formulation was added to the inoculated tubes at concentrations ranging from 250 to 5 ~1/mL. The tubes containing cell cultures and compounds were incubated at 27 C for 72- 96 h. At the end of the incubation period, the tubes were examined for growth of the organism and further monitored for 7 days after which they were recorded for growth or no growth. The concentration at which no growth was observed or minimum concentration for 100 % inhibition (MIC loo) is shown in Table 1 for each organism.

Table 1. MICIoo ( g/mL) for the mixture containing equal weights of camphor, menthol, thymol and Eucalyptus citriodora oil against organisms causing onychomycosis.
Organism MIC
>20 Acremonium chrysogenunz A. strictum >_20 AspergilZus flavus >30 _30 A. terreus Candida albicans' _50 C. kruseii >_50 C. parapsilosis >_50 Epidernzoplzyton floccosum ?30 Fusarium oxysporum ?30 F. proliferatum >_30 Microsporum canis ?40 _30 Scopulariopsis brevicaulis >_30 Scytalidium dinzidiatum S. hyalinum >_30 Trichophyton mentagroplZytes ~:30 T. rubruni >_30 [0017] The composition had a very broad spectrum of activity as can be seen from the results.
[0018] It is intended that the foregoing description be only illustrative of the present invention and that the present invention be limited only by the hereinafter appended claims.

Claims (10)

1. A composition which consists essentially of (1) thymol, (2) camphor, (3) menthol and (4) Eucalyptus citridiora oil as ingredients in amounts which provide a colorless liquid in absence of a carrier.
2. The composition of Claim 1 wherein the composition contains equal parts by weight of the ingredients.
3. The composition of Claims 1 or 2 wherein the colorless liquid has been provided by stirring ingredients (1) to (3) into ingredient (4) to provide the colorless liquid.
4. The composition of Claims 1 or 2 wherein the ingredients (1) to (3) are introduced into ingredient (4) and then the mixture is heated to produce the colorless liquid.
5. The composition of Claims 1 or 2 wherein the mixture has been heated up to about 80°C.
6. A method for the preparation of a pharmaceutical composition which comprises:
(a) mixing (1) thymol, (2) camphor, and (3) menthol into (4) Eucalyptus citridiora oil; and (b) treating the mixture to provide a colorless oil.
7. The method of Claim 6 wherein the treating is by heating the mixture.
8. The method of Claim 6 wherein the treating is by mixing the ingredients over a period of time to provide the colorless mixture.
9. A method of treating toenail fungal infections which comprises:
applying a composition which consists essentially of (1) thymol, (2) camphor, (3) menthol, and (4) Eucalyptus citridiora oil as ingredients in amounts which provide a colorless liquid in absence of a carrier.
10. The method of Claim 9 wherein the composition contains equal parts of the ingredients.
CA002581606A 2004-09-24 2004-09-24 Carrier-free composition for the treatment of onychomycosis Abandoned CA2581606A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2004/031630 WO2006036144A1 (en) 2004-09-24 2004-09-24 Carrier-free composition for the treatment of onychomycosis

Publications (1)

Publication Number Publication Date
CA2581606A1 true CA2581606A1 (en) 2006-04-06

Family

ID=36119190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002581606A Abandoned CA2581606A1 (en) 2004-09-24 2004-09-24 Carrier-free composition for the treatment of onychomycosis

Country Status (4)

Country Link
EP (1) EP1796703A4 (en)
JP (1) JP2008514596A (en)
CA (1) CA2581606A1 (en)
WO (1) WO2006036144A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1036661C2 (en) 2009-03-04 2010-09-07 Serrix B V Anti-fungal compounds & compositions.
DE202010012041U1 (en) 2010-08-31 2010-11-18 Sanderstrothmann Gmbh Preparation for nail care
CN103893599A (en) * 2014-04-12 2014-07-02 张军 External traditional Chinese medicine lotion for treating onychomycosis

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04154719A (en) * 1990-10-19 1992-05-27 Hiroshi Kikuchi Athlete's foot drug
SK163899A3 (en) * 1997-05-30 2000-08-14 Procter & Gamble Disinfecting compositions
JP2000128800A (en) * 1998-10-16 2000-05-09 Hideyo Yamaguchi Prevention of infection of dermatophytosis and/or its treatment and tool and material for treatment
US6344190B1 (en) * 1999-02-08 2002-02-05 Board Of Trustees Of Michigan State University Method and compositions for treatment of fungal nail disease
US6436424B1 (en) * 2000-03-20 2002-08-20 Biosphere Medical, Inc. Injectable and swellable microspheres for dermal augmentation
JP2003073290A (en) * 2001-08-31 2003-03-12 Kao Corp Composition for external preparation

Also Published As

Publication number Publication date
EP1796703A4 (en) 2009-07-01
AU2004323577A1 (en) 2006-04-06
JP2008514596A (en) 2008-05-08
WO2006036144A1 (en) 2006-04-06
WO2006036144A8 (en) 2007-06-14
EP1796703A1 (en) 2007-06-20

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EEER Examination request
FZDE Discontinued