WO2002055068A2 - Cystine par voie orale pour traiter l'oeil sec - Google Patents
Cystine par voie orale pour traiter l'oeil sec Download PDFInfo
- Publication number
- WO2002055068A2 WO2002055068A2 PCT/FR2002/000086 FR0200086W WO02055068A2 WO 2002055068 A2 WO2002055068 A2 WO 2002055068A2 FR 0200086 W FR0200086 W FR 0200086W WO 02055068 A2 WO02055068 A2 WO 02055068A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- use according
- vitamin
- amino acid
- composition
- cystine
- 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.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
- A61K31/198—Alpha-amino acids, e.g. alanine or edetic acid [EDTA]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
- A61P27/04—Artificial tears; Irrigation solutions
Definitions
- the present application relates to the use of at least one amino acid, in particular cystine, for the preparation of a composition, in particular a medicinal product, intended to be administered orally, to prevent or relieve dry eye syndrome. .
- the technical field to which the present application relates is that of pathologies of the ocular surface.
- the ocular surface is the transition mucosa between the deep ocular medium and the external medium.
- the ocular surface, formed by the cornea, the tear film and the conjunctiva, is an anatomical and functional barrier which protects the eye from external aggressions.
- the anatomical structure of the corneal epithelium and the quality of its interface with the tear film exert a barrier function necessary for the protection of the underlying corneal constituents and of the endocular environment.
- the tear film drains and permanently eliminates foreign bodies present on the corneal surface: eyelashes, insects, micro-organisms, dust, flaky epithelial cells ... This mechanism generates tearing which ensures the cleaning of the corneo-conjunctival surface and prevents the adhesion of the germs present.
- tears participate in the defense of the cornea through lactoferrin, lysosyme and immunoglobulins.
- the factors which influence the pathology of the ocular surface are: bacteria, viruses, pollens and in particular oxygen free radicals highly toxic to the mucous membranes due to their high content of polyunsaturated fatty acids.
- air pollution is a factor that promotes the production of such free radicals.
- This pathology of the ocular surface can take on a benign appearance such as eyestrain, a need for blinking, a tingling sensation; it is therefore often overlooked. This pathology can also result in eye burns, keratitis or even visual impairment due to progressive clouding of the cornea.
- this pathology of the ocular surface was treated using lacrimal substitutes consisting of physiological sera viscose with hydrogels in order to increase the persistence of hydration on the surface of the cornea and to limit instillations.
- the problem posed by the present application was to propose a composition for the treatment and prevention of dry eye syndrome which is effective and whose use is not too restrictive.
- compositions of at least one amino acid, possibly associated with a vitamin for the preparation of a composition, in particular a medicinal composition, intended to be administered orally.
- the preferred amino acid for this use is cystine or a compound releasing cystine in a physiological medium.
- the quantity of amino acids administered daily is between 0.5 and 5 g per day, more preferably, from 1 to 3 g per day in one or more dose (s).
- an association of an amino acid and a vitamin is used for the preparation of a composition intended to be administered orally to prevent or relieve dry eye syndrome.
- the amino acid is cystine and the vitamin is vitamin B6.
- the amino acid and the vitamin can be administered simultaneously, separately or in a spread over time.
- Said composition may further comprise an active ingredient known for the treatment of this pathology.
- the compositions used within the meaning of the present application, can also, depending on the formulation chosen, include any suitable excipient, a binder, a lubricant, a colorant, a perfume, a taste suppressor, etc.
- the said composition can also comprise minus an antioxidant, advantageously in the case where the amino acid is cystine.
- the antioxidant is chosen from the group consisting of proanthocyanidins (oligomers and procyanidolic polymers of grape seed, barrel pine bark and cypress), flavones such as rutin, Ginkgo biflavonoids biloba and citroflavonoids, phenol acids derived from caffeic acid, vitamin E, vitamin C, selenium and zinc
- compositions can be in the form of powders, tablets, granules, powder in capsules, granules in capsules, solutions, dispersions, syrups.
- these compositions which allow systemic treatment by the oral route and the frequency of administration of which can be limited to 2 to 3 times per day, in addition to being effective, are of use which is not very restrictive for the patient.
- the following examples illustrate the invention without limiting its scope.
- the film-coated tablets have the advantage of keeping the nucleus containing the active ingredient intact and of allowing easy absorption by the patient.
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Epidemiology (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2002229864A AU2002229864A1 (en) | 2001-01-10 | 2002-01-10 | Cysteine for oral administration for dry eye treatment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0100250A FR2819186A1 (fr) | 2001-01-10 | 2001-01-10 | Cystine-voie orale-syndrome de l'oeil sec |
| FR01/00250 | 2001-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2002055068A2 true WO2002055068A2 (fr) | 2002-07-18 |
| WO2002055068A3 WO2002055068A3 (fr) | 2003-02-13 |
Family
ID=8858645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2002/000086 Ceased WO2002055068A2 (fr) | 2001-01-10 | 2002-01-10 | Cystine par voie orale pour traiter l'oeil sec |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2002229864A1 (fr) |
| FR (1) | FR2819186A1 (fr) |
| WO (1) | WO2002055068A2 (fr) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1258781B (it) * | 1992-01-16 | 1996-02-29 | Zambon Spa | Composizione farmaceutica oftalmica contenente n-acetilcisteina e polivinilalcol |
| US5698533A (en) * | 1994-07-26 | 1997-12-16 | Kang; Meng-Che | Ophthalmic pharmaceutical composition |
| US5945121A (en) * | 1994-12-19 | 1999-08-31 | Taisho Pharmaceutical Co., Ltd. | Liposome eye drops |
| JPH08291060A (ja) * | 1995-04-20 | 1996-11-05 | Teijin Ltd | 角膜障害治療剤および角膜保護剤 |
| US5624957A (en) * | 1995-06-06 | 1997-04-29 | Bristol-Myers Squibb Company | Rary-specific retinobenzoic acid derivatives |
| EP0813878B1 (fr) * | 1996-06-17 | 2002-02-06 | Mitsubishi Chemical Corporation | Agent pour accélérer la lacrimation contenant un ligand de la sérotonine, particuliérement un composé aminoalkoxybibenzyle |
| EP0930072A1 (fr) * | 1998-01-13 | 1999-07-21 | Kartar Dr. Lalvani | Composition à base de minéraux et de vitamines, pour le traitement de l'oeil sec |
| ITMI981586A1 (it) * | 1998-07-10 | 2000-01-10 | Giorgio Panin | Vitamina e e suoi esteri per l'uso nel trattamento topico di patologie delle mucose |
-
2001
- 2001-01-10 FR FR0100250A patent/FR2819186A1/fr active Pending
-
2002
- 2002-01-10 AU AU2002229864A patent/AU2002229864A1/en not_active Abandoned
- 2002-01-10 WO PCT/FR2002/000086 patent/WO2002055068A2/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002055068A3 (fr) | 2003-02-13 |
| AU2002229864A1 (en) | 2002-07-24 |
| FR2819186A1 (fr) | 2002-07-12 |
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