Method for reducing or preventing post-surgical adhesion...

A - Human Necessities – 61 – K

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A61K 31/557 (2006.01) A61K 9/127 (2006.01) A61K 9/16 (2006.01) A61K 9/50 (2006.01) A61K 31/00 (2006.01) A61K 31/05 (2006.01) A61K 31/38 (2006.01) A61K 31/381 (2006.01) A61K 31/415 (2006.01) A61K 31/4152 (2006.01)

Patent

CA 2223590

Compositions and methods for minimizing or preventing post-surgical adhesion formation between tissues, e.g., organ, surfaces in body cavities, whereby an effective therapeutic amount of at least one 5-lipoxygenase inhibitor, e.g., phenidone, NDGA, ETYA and Zileuton, is administered to the target injury site for a period of time sufficient to permit tissue repair. The 5-lipoxygenase inhibitor is preferably administered in conjunction with a delivery vehicle (e.g., microcapsules, microspheres, biodegradable polymer films, lipid-based delivery systems such as liposomes and lipid foams, crystalloid or viscous instillates and absorbable mechanical barriers) useful for maintaining local concentrations of the inhibitor at the injury site at an effective level for a sustained period of time.

Compositions et procédés permettant de minimiser ou de prévenir la formation d'adhérences post-chirurgicales entre les surfaces de tissus, par exemple d'organes, dans les cavités corporelles. On administre au niveau du site de la lésion cible une quantité à efficacité thérapeutique d'au moins un inhibiteur de 5-lipoxydase tel que la phénidone, le NDGA, l'ETYA et le Zileuton, et ce pendant une période suffisamment longue pour permettre la réparation des tissus. De préférence, on administre l'inhibiteur de 5-lipoxydase en association avec un véhicule d'administration (par exemple des microcapsules, des microsphères, des feuilles polymères biodégradables, des systèmes d'administration à base de lipides tels que des liposomes et des mousses lipidiques, des instillats cristalloïdes ou visqueux et des barrières mécaniques absorbables) permettant de maintenir à des valeurs efficaces les concentrations locales de l'inhibiteur au niveau du site de la lésion, et ce pendant une période prolongée.

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