Retinoid-like compounds for the promotion of melanin production

A - Human Necessities – 61 – K

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A61K 8/67 (2006.01) A61K 8/14 (2006.01) A61K 8/36 (2006.01) A61K 8/368 (2006.01) A61K 8/49 (2006.01) A61Q 5/08 (2006.01) A61Q 19/02 (2006.01) A61Q 19/04 (2006.01) A61K 31/19 (2006.01) A61K 31/192 (2006.01) A61K 31/44 (2006.01) A61K 31/455 (2006.01)

Patent

CA 2324001

An in vitro assay for selecting compounds that alter pigmentation of skin is provided. Also, a novel class of pro-pigmentatory compounds is provided which comprise substituted aromatic or heterocyclic carboxylic acids, or derivatives thereof, or pharmaceutically acceptable salts, which do not contain a pheno, naphthol, thiophenol, or a thionaphthol function in free or protected form. In a preferred embodiment, thess compounds will display activity for RXRs. These compounds may be used for altering pigmentation of human skin and/or hair in cosmetic or dermatological compositions, and for the treatment of disorders and disease conditions that affect skin or hair pigmentation.

L'invention concerne un dosage in vitro permettant de sélectionner des composés modifiant la pigmentation de la peau. L'invention concerne également une nouvelle catégorie de composés pro-pigmentaires comprenant des acides carboxyliques hétérocycliques ou aromatiques substitués, des dérivés de ceux-ci, ou des sels pharmaceutiquement acceptables, lesquels composés ne renferment pas de fonction phénol, naphtol, thiophénol, ou thionaphtol sous forme libre ou protégée. Selon un mode de réalisation préféré, ces composés présentent une activité vis-à-vis des récepteurs RXR. Ces composés peuvent être utilisés dans des compositions cosmétiques ou dermatologiques destinées à modifier la pigmentation de la peau et/ou les cheveux de l'homme, ainsi que pour traiter des troubles et des états pathologiques ayant une incidence sur la pigmentation de la peau et des cheveux.

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