Compositions and methods for treating respiratory disorders

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 473/04 (2006.01) A61K 31/52 (2006.01) A61P 11/00 (2006.01)

Patent

CA 2644613

Methods and compositions for treating and preventing respiratory disorders are provided. The methods of the invention comprise administering to a subject a therapeutically effective amount of a pharmaceutically acceptable salt of an A1 adenosine receptor antagonist, particularly 1-hydroxy-2-naphthoic acid salts or 3- hydroxy-2-naphthoic acid salts, more particularly a 1-hydroxy-2-naphthoic acid salt of 3-[2-(4-aminophenyl)ethyl]-8-benzyl-7- {2-[ethyl-(2-hydroxyethyl)amino]ethyl} - 1 propyl-3,7-dihydropurine-2,6-dione (i.e., an L-97-1 xinafoic acid salt). Hydrates of the A1 adenosine receptor antagonist salts described herein are further provided. The invention further encompasses pharmaceutical compositions comprising a pharmaceutically acceptable salt of an A1 adenosine receptor antagonist in a pharmaceutically acceptable carrier. The compositions of the invention find use in methods for treating and preventing respiratory disorders.

La présente invention concerne des procédés et des compositions conçus pour traiter et prévenir des troubles respiratoires. Les procédés consistent à administrer à un sujet une quantité efficace d'un point de vue thérapeutique d'un sel pharmaceutiquement acceptable d'un antagoniste de récepteur A1 de l'adénosine, en particulier des sels d'acide 1-hydroxy-2-naphtoïque ou des sels d'acide 3-hydroxy-2-naphtoïque, plus particulièrement un sel d'acide 1-hydroxy-2-naphthoïque de 3-[2-(4-aminophényl)éthyl]-8-benzyl-7-{2-[éthyl-(2-hydroxyéthyl)amino]éthyl}-1- propyl-3,7-dihydropurine-2,6-dione (c'est-à-dire un sel d'acide xinafoïque L-97-1). Cette invention concerne également des hydrates des sels d'antagoniste de récepteur A1 de l'adénosine, ainsi que des compositions pharmaceutiques comprenant un sel pharmaceutiquement acceptable d'un antagoniste de récepteur A1 de l'adénosine dans un support pharmaceutiquement acceptable. Les compositions de cette invention sont utilisées dans le cadre de procédés de traitement et de prévention de troubles respiratoires.

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