EP1718296A2 - Utilisation du metronidazole pour le traitement des pathologies liees au recepteur de type b de l'interleukine 8 et/ou au recepteur de type 1 de pacap - Google Patents
Utilisation du metronidazole pour le traitement des pathologies liees au recepteur de type b de l'interleukine 8 et/ou au recepteur de type 1 de pacapInfo
- Publication number
- EP1718296A2 EP1718296A2 EP05729371A EP05729371A EP1718296A2 EP 1718296 A2 EP1718296 A2 EP 1718296A2 EP 05729371 A EP05729371 A EP 05729371A EP 05729371 A EP05729371 A EP 05729371A EP 1718296 A2 EP1718296 A2 EP 1718296A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- receptor
- metronidazole
- composition
- use according
- rosacea
- 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.)
- Withdrawn
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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4164—1,3-Diazoles
-
- 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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/415—1,2-Diazoles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- the present invention relates to the field of treatment of pathologies linked to the type B receptor of Pinterleukin 8 and / or to the type 1 receptor of PACAP.
- the invention aims to provide new pharmaceutical compositions, more particularly dermatological compositions, and comprising as active agent metronidazole.
- Rosacea is a common chronic and progressive inflammatory dermatosis linked to vascular relaxation. It mainly affects the central part of the face and is characterized by reddening of the face or hot flashes, facial erythema, papules, pustules, and telangiectasia. In severe cases, especially in humans, the soft tissue in the nose can swell and produce a bulbous swelling called rhinophyma.
- Rosacea usually occurs between the ages of 25 and 70, and is much more common in fair skinned people. It affects more particularly women, although this condition is generally more severe in men. Rosacea is chronic and persists for years with periods of exacerbation and remission.
- Rosacea was originally called "acne rosacea” because its papules (slight raised skin) and inflammatory pustules (scabs of pus) are very similar to those of acne vulgaris.
- the etiology of which is based on both abnormal keratinization, increased sebum production and bacterial inflammation, inflammation of rosacea is vascular in nature and poorly understood.
- the result of this facial vascular anomaly is a permanent edema of the dermis which could accompany increased colonization by Demodex folliculorum, a mite that is usually found in the follicles of the face.
- Demodex folliculorum has an etiological role in rosacea (Erbagi et al., 1998, Int J Dermatol, vol.37, pages 421-425; Purcell et al, 1986, JA Acad Dermatol, vol.15, pages 1159-1162; Sibenge et al., 1992, J Am Acad Dermatol, vol. 26, pages 590-593). It seems that Demodex folliculorum causes or worsens inflammatory reactions, resulting in papules and pustules, by blocking the pilosebaceous follicles of the face (Roihu et al., 1998, J Cutan Pathol, vol.25, pages 550-552 ).
- rosacea The pathogenesis of rosacea is poorly understood. Many factors can be involved without necessarily inducing this condition. These are for example psychological factors, gastrointestinal disorders, environmental factors (exposure to the sun, temperature, humidity) and emotional factors (stress), food (alcohol, spices), hormonal, vascular, or even Helicobacter ilori infection.
- stage 2 erythematato-telangiectatic (around 30 years).
- the malar areas are diffusely red.
- stage 1 the redness is permanent.
- the chin and the middle part of the forehead can be affected.
- stage 3 of papulo-pustules (around 40 years).
- On a background of erythema develop papules and pustules a few millimeters in diameter, without associated comedones.
- This dermatosis can be very widespread, sometimes to the glabrous part of the scalp in men, but respects the periphery of the mouth and the eyes. Patients complain of sensitive skin, with subjective intolerance to most oily topicals and cosmetics.
- Interleukin 8 receptors are receptors with seven transmembrane domains and are coupled to G proteins. Two interleukin 8 receptors have been identified, named IL-8RA or CXCR1 and IL-8RB or CXCR2.
- PACAP "Pituitary adenylate cyclase-activating peptid” has 68% identity with the intestinal vasoactive peptide (VIP), one of the members of the secretin / glucagon / GHRH family.
- VIP intestinal vasoactive peptide
- PACAP deploys pleiotropic effects throughout the body during development but also in adults. It participates in essential functions such as growth, endocrine and digestive activity, cardiovascular and respiratory control, immune responses, and circadian rhythm. It fixes and activates multiple receptor subtypes, some of which (type II) have the particularity of also fixing the VIP with the same high affinity. These receptors are widely distributed in the brain and peripheral tissues.
- the type 1 receptor, PAC-1 (or PVR1), is known.
- Metronidazole or (methyl-2-nitro-5-imidazolyl) -2-ethanol, is known in the prior art for its antibacterial, antiparasitic and antiprotozoal properties. It exerts a selective toxicity with respect to anaerobic microorganisms as well as hypoxic cells. At the level of the latter, metronidazole is reduced to derivatives capable of altering the DNA structure of these cells.
- the work of the Applicant has made it possible to demonstrate the involvement of the type B receptor of interleukin 8 (IL-8RB) and of the type 1 receptor of PACAP (PAC-1) in certain pathologies and in particular in rosacea. .
- the work of the Applicant has made it possible to demonstrate that the use of metronidazole resulted in the modulation of the binding of natural ligands to the receptors chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor.
- the invention aims to offer a new method for treating pathologies involving at least one receptor chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor.
- This method of treatment consists in administering to a subject an effective amount of metronidazole in which the metronidazole is capable of influencing the binding of a ligand on at least one receptor chosen from the group comprising the IL-8RB receptor and the PAC- receptor. 1. Consequently, the invention relates more particularly to the use of metronidazole for the preparation of a pharmaceutical composition intended for treating pathologies involving at least one receptor chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor .
- the invention relates to the use of metronidazole for the preparation of a pharmaceutical composition intended for treating pathologies involving at least one receptor chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor and in which metronidazole is capable of modulating the interaction of a ligand with at least one receptor chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor.
- the invention also relates to the use of metronidazole for the preparation of a pharmaceutical composition as defined above and in which metronidazole modulates the binding of at least one natural ligand to its receptor, said receptor being chosen from the group comprising the IL-8RB receptor and PAC-1 receptor.
- the invention relates to the use of metronidazole for the preparation of a pharmaceutical composition as defined above, intended to treat a pathology involving at least one receptor chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor.
- the invention also relates to the use of metronidazole for the preparation of a pharmaceutical composition as defined above, intended for treating a pathology involving two receptors chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor, said receptor pathology being rosacea.
- the pharmaceutical composition which is the subject of the present invention is a dermatological composition, for topical application to the skin.
- the present invention means the treatment and / or prevention of such a pathology.
- these pathologies involving at least one receptor chosen from the group comprising the IL-8RB receptor and the PAC-1 receptor are rosacea, psoriasis, acute and chronic inflammations, autoimmune diseases and septic shock. More particularly, it will be rosacea.
- rosacea treatment is understood to mean, according to the present invention, the treatment and / or prevention of rosacea, in one or more of the stages described above.
- the composition is intended for the treatment of the first stage of rosacea.
- the composition is intended for the treatment of the second stage of rosacea.
- the composition is intended for the treatment of the third stage of rosacea.
- the composition is intended for the treatment of the fourth stage of rosacea.
- the composition contains 0.0001 to 20% of metronidazole, preferably from 0.1 to 2% of metronidazole, and more preferably of the order of 0.75 to 1% of metronidazole expressed by weight relative to the total weight of the composition.
- the present invention relates, in addition to the use of metronidazole, the use of derivatives thereof.
- Derivatives are understood to mean compounds which are distinguished from metronidazole, by substitution, addition or deletion of one or more chemical groups and having substantially the same activity.
- compositions of the invention comprise, in addition to metronidazole, at least one other therapeutic agent capable of increasing the effectiveness of the treatment.
- at least one other therapeutic agent capable of increasing the effectiveness of the treatment.
- antibiotics antibacterials, antivirals, antiparasitics, antifungals, anesthetics, analgesics, antiallergics, retinoids, anti-free radicals, antipruritics, keratolytics, antiseborrheics, antihistamines, sulfides, immunosuppressive or antiproliferative products.
- compositions of the invention may also comprise any additive usually used in the pharmaceutical, dermatological field, compatible with metronidazole. Mention may in particular be made of sequestrants, antioxidants, sun filters, preservatives, for example DL-alpha-tocopherol, fillers, electrolytes, humectants, dyes, bases or common acids, mineral or organic, fragrances, essential oils, cosmetic active ingredients, moisturizers, vitamins, essential fatty acids, sphingolipids, self-tanning compounds such as DHA, soothing and protective agents for the skin such as allantoin, penetrating agents , gelling agents.
- sequestrants for example DL-alpha-tocopherol
- fillers electrolytes, humectants, dyes, bases or common acids, mineral or organic, fragrances, essential oils, cosmetic active ingredients, moisturizers, vitamins, essential fatty acids, sphingolipids, self-tanning compounds such as DHA, soothing and protective agents for the skin such as allantoin, pe
- additives can be present in the composition in an amount of 0 to 20% by weight relative to the total weight of the composition.
- sequestering agents include ethylenediaminetetraacetic acid (EDTA), as well as its derivatives or its salts, dihydroxyethylglycine, citric acid, tartaric acid, or mixtures thereof.
- preservatives examples include benzalkonium chloride, phenoxyethanol, benzyl alcohol, diazolidinylurea, parabens, or mixtures thereof.
- humectants examples include glycerin and sorbitol.
- compositions of the invention may contain one or more penetrating agents in preferential concentrations ranging from 0 to 20% and more preferably ranging from 0.6 to 3% by weight relative to the total weight of the composition.
- penetrating agents use is preferably made, without this list being limiting, of compounds such as propylene glycol, dipropylene glycol, propylene glycol dipelargonate, lauroglycol, ethoxydiglycol.
- compositions according to the invention may also contain one or more surfactants in preferential concentrations ranging from 0 to 10% and more preferably ranging from 0.1 to 2%.
- compositions of the present invention may be in all the galenical forms normally used for topical application, in particular in the form of aqueous, hydroalcoholic or oily solutions, of lotion-type dispersions, of aqueous, anhydrous or lipophilic gels, of emulsions of liquid or semi-liquid consistency of the milk type, obtained by dispersion of a fatty phase in an aqueous phase (O / W) or vice versa (W / O), or of suspensions or emulsions of soft, semi-liquid or solid consistency of cream, gel or ointment type or else microemulsions, micro-capsules, micro-particles or vesicular dispersions of ionic and / or non-ionic type.
- the creams can be formulated from a mixture of mineral oil, or a mixture of beeswax and water which emulsifies instantly, in which the metronidazole is added, dissolved in a small amount oil such as almond oil.
- Ointments can be formulated by mixing a solution of metronidazole in an oil such as almond oil in heated paraffin, then allowing the mixture to cool.
- compositions according to the invention mention may be made of those comprising an active phase containing (expressed as a percentage by weight):
- - 0 to 20% preferably 0 to 10%, in particular 2 to 5%, of propenetrant; - 0.0001 to 20%, preferably 0.1 to 2% of metronidazole; and an aqueous phase comprising a gelling agent and water.
- the aqueous phase of a composition according to the invention in the form of an emulsion may comprise water, floral water such as blueberry water, or natural thermal or mineral water, for example chosen from Vittel water, Vichy basin water, Uriage water, Roche Posay water, Bourboule water, Enghien-les-Bains water, Saint Gervais-les-Bains, water from Néris- les-Bains, water from Allevard-les-Bains, water from Digne, water from aizi Guatemala, water from Neyrac-les-Bains, water from Lons-le-Saunier, Eaux Bonnes, water from Rochefort, water from Saint Christau, water from Fumades and water from Tercis-les-bains, water from Avène or Aix les Bains water.
- floral water such as blueberry water
- natural thermal or mineral water for example chosen from Vittel water, Vichy basin water, Uriage water, Roche Posay water, Bourboule water, Enghien-les-Bains water, Saint Gervais-les-
- Said aqueous phase may be present at a content of between 10 and 90% by weight relative to the total weight of the composition, preferably between 20 and 80% by weight.
- gelling agents of the polyacrylamide family such as the Sodium acryloyldimethyltaurate copolymer / isohexadecane / polysorbate 80 mixture sold under the name Simulgel 600 by the company Seppic, the polyacrylamide / isoparaffin C13-14 / laureth-7 such as, for example, that sold under the name Sepigel 305 by the company Seppic, the family of acrylic polymers coupled to hydrophobic chains such as the PEG-150 / decyl / SMDI copolymer sold under the name of Aculyn 44 ( polycondensate comprising at least as elements, a polyethylene glycol containing 150 or 180 moles of ethylene oxide, decyl alcohol and methylene bis (4-cyclohexylisocyanate) (SMDI), at 35% by weight in a mixture of propylene glycol ( 39%) and water (26%)), the family of modified starches such as modified potato starch sold under the name
- the preferred gelling agents are from the family of polyacrylamides such as Simulgel
- the gelling agent as described above can be used at preferential concentrations ranging from 0.1 to 15% and, more preferably, ranging from 0.5 to 5%.
- the gels can preferably be prepared by dispersing or dissolving metronidazole in an appropriate ratio, in a gel of carbomer, poloxamer or cellulosic type.
- the PAC-1 receptor binding test was carried out according to the protocol described by
- the IL-8RB receptor binding test was carried out according to the protocol described by
- the binding of metronidazole to each receptor was determined by competitive experiments.
- the receptor a recombinant human protein, was incubated according to the times indicated in Table 1 below, with a single concentration of labeled specific ligand, in the presence of metronidazole at 10 ⁇ M. Bound radioactivity was measured by scintillation counting.
- the specific binding of the ligand to the receptor is defined as the difference between the total binding and the non-specific binding determined in the presence of an excess of unlabeled ligand.
- Metronidazole therefore induces the binding of the ligand to its IL-8RB receptor and the PAC-1 receptor.
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- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Dermatology (AREA)
- Immunology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0401721A FR2866569B1 (fr) | 2004-02-20 | 2004-02-20 | Utilisation du metronidazole pour la preparation d'une composition pharmaceutique destinee a traiter des pathologies liees au recepteur de type b de l'interleukine 8 et/ou au recepteur de type 1 de pacap |
PCT/FR2005/000370 WO2005089750A2 (fr) | 2004-02-20 | 2005-02-17 | Utilisation du metronidazole pour le traitement des pathologies liees au recepteur de type b de l’interleukine 8 et/ou recepteur de type 1 de pacap |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1718296A2 true EP1718296A2 (fr) | 2006-11-08 |
Family
ID=34833946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05729371A Withdrawn EP1718296A2 (fr) | 2004-02-20 | 2005-02-17 | Utilisation du metronidazole pour le traitement des pathologies liees au recepteur de type b de l'interleukine 8 et/ou au recepteur de type 1 de pacap |
Country Status (11)
Country | Link |
---|---|
US (1) | US20080221189A1 (fr) |
EP (1) | EP1718296A2 (fr) |
JP (1) | JP2007523133A (fr) |
KR (1) | KR20060124707A (fr) |
CN (1) | CN1921852A (fr) |
AU (1) | AU2005224123A1 (fr) |
BR (1) | BRPI0506550A (fr) |
CA (1) | CA2553932A1 (fr) |
FR (1) | FR2866569B1 (fr) |
RU (1) | RU2006133534A (fr) |
WO (1) | WO2005089750A2 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2961695B1 (fr) * | 2010-06-29 | 2012-07-06 | Galderma Res & Dev | Utilisation de composes dans le traitement ou la prevention de troubles cutanes |
US20130102572A1 (en) * | 2011-04-12 | 2013-04-25 | Dow Pharmaceutical Sciences | Methods of treating skin conditions exhibiting telangiectasia |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4837378A (en) * | 1986-01-15 | 1989-06-06 | Curatek Pharmaceuticals, Inc. | Topical metronidazole formulations and therapeutic uses thereof |
FR2722098B1 (fr) * | 1994-07-06 | 1996-08-23 | Cird Galderma | Nouveaux medicaments a base de metro-nidazole ou d'un melange synergetique de metronidazole et de clindamycine |
CA2161737C (fr) * | 1995-10-30 | 1998-10-20 | Richard J. Mackay | Gel de metronidazole |
GB9626513D0 (en) * | 1996-12-20 | 1997-02-05 | Bioglan Ireland R & D Ltd | A pharmaceutical composition |
US6365616B1 (en) * | 1998-08-31 | 2002-04-02 | Sentron Medical, Inc. | Methimazole derivatives and tautomeric cyclic thiones to treat autoimmune diseases |
EP1206937B1 (fr) * | 1999-07-16 | 2008-01-23 | Shoei Co., Ltd. | Preparations de nitroimidazole a usage externe pour traiter la dermatite atopique |
CA2446356C (fr) * | 2001-05-09 | 2012-07-10 | The Regents Of The University Of Michigan | Compositions pour le traitement de l'acne rosacee |
CA2524739A1 (fr) * | 2003-06-18 | 2004-12-29 | Galderma S.A. | Composition pharmaceutique topique de teinte verte a base de metronidazole |
-
2004
- 2004-02-20 FR FR0401721A patent/FR2866569B1/fr not_active Expired - Fee Related
-
2005
- 2005-02-17 AU AU2005224123A patent/AU2005224123A1/en not_active Abandoned
- 2005-02-17 KR KR1020067016588A patent/KR20060124707A/ko not_active Application Discontinuation
- 2005-02-17 BR BRPI0506550-0A patent/BRPI0506550A/pt not_active Application Discontinuation
- 2005-02-17 RU RU2006133534/15A patent/RU2006133534A/ru unknown
- 2005-02-17 US US10/590,031 patent/US20080221189A1/en not_active Abandoned
- 2005-02-17 WO PCT/FR2005/000370 patent/WO2005089750A2/fr not_active Application Discontinuation
- 2005-02-17 JP JP2006553618A patent/JP2007523133A/ja active Pending
- 2005-02-17 EP EP05729371A patent/EP1718296A2/fr not_active Withdrawn
- 2005-02-17 CN CNA2005800055751A patent/CN1921852A/zh active Pending
- 2005-02-17 CA CA002553932A patent/CA2553932A1/fr not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2005089750A2 * |
Also Published As
Publication number | Publication date |
---|---|
RU2006133534A (ru) | 2008-03-27 |
WO2005089750A2 (fr) | 2005-09-29 |
WO2005089750A3 (fr) | 2006-05-04 |
KR20060124707A (ko) | 2006-12-05 |
BRPI0506550A (pt) | 2007-02-27 |
US20080221189A1 (en) | 2008-09-11 |
FR2866569A1 (fr) | 2005-08-26 |
JP2007523133A (ja) | 2007-08-16 |
AU2005224123A1 (en) | 2005-09-29 |
CN1921852A (zh) | 2007-02-28 |
CA2553932A1 (fr) | 2005-09-29 |
FR2866569B1 (fr) | 2007-08-24 |
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