Use of hyaluronic acid derivatives for inhibiting...

A - Human Necessities – 61 – K

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A61K 31/737 (2006.01) A61K 31/728 (2006.01) A61P 19/02 (2006.01) A61K 31/00 (2006.01)

Patent

CA 2426083

Rheumatoid arthritis is a chronic inflammatory disease, leading to joint destruction. Conventional therapy is based on pain-reduction and an improvement in the frictional properties of joints, in order to delay the time for operative intervention. A lack of specifically-acting agents for drug- based therapy for arthritis exists. The formulations comprise sulphated hyaluronic acids with varying degrees of sulphation, or the pharmacologically acceptable salts thereof and, optionally, hyaluronic acid and/or hyaluronic acid uronide. The pharmaceutical formulations are highly concentrated injection preparations with an aqueous, viscous, gel-like, or paste-like form, or a low-concentration rinsing fluid for intra-articular application.

La polyarthrite rhumatoïde est une maladie chroniquement inflammatoire qui conduit à la destruction des articulations. Les traitements actuels visent une réduction de la douleur et une amélioration de l'aptitude au glissement des articulations pour retarder le moment d'une intervention chirurgicale. Il y a un manque de médicaments agissant spécifiquement pour le traitement médicamenteux des arthrites. L'invention concerne des formulations pharmaceutiques pour le traitement spécifique de maladies articulaires inflammatoires et dégénératives chez l'homme et l'animal. Ces formulations contiennent de l'acide hyaluronique sulfaté à des degrés divers ou ses sels pharmacologiquement acceptables, et, éventuellement, de l'acide hyaluronique et/ou un uronure d'acide hyaluronique. Ces formulations pharmaceutiques sont utilisées sous forme de préparations injectables hautement concentrées, à structure aqueuse ou visqueuse, sous forme de gel ou de pâte, ou bien sous forme de liquides de nettoyage à faible concentration pour applications intra-articulaires.

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