Composition and method for inhibiting platelet aggregation

C - Chemistry – Metallurgy – 07 – H

Patent

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Details

C07H 19/20 (2006.01) A61K 31/7076 (2006.01) A61K 31/7084 (2006.01) C07H 19/10 (2006.01) C07H 19/207 (2006.01)

Patent

CA 2561958

This invention is directed to a method of preventing or treating diseases or conditions associated with platelet aggregation. The method is also directed to a method of treating thrombosis. The method comprises administering to a subject a pharmaceutical composition comprising a therapeutic effective amount of P2Y12 receptor antagonist compound, wherein said amount is effective to bind the P2Y12 receptors on platelets and inhibit ADP-induced platelet aggregation. The P2Y12 receptor antagonist compounds useful for this invention include mononucleoside 5'-monophosphates, mononucleoside polyphosphates, and dinucleoside polyphosphates of general Formula I, or salts thereof. The present invention also provides novel compounds of mononucleoside 5'- monophosphates and dinucleoside diphosphates. The present invention further provides pharmaceutical formulations comprising a pharmaceutical carrier and mononucleoside 5'-monophosphates or dinucleoside diphosphates.

La présente invention concerne une méthode de prévention ou de traitement des maladies et des pathologies associées à l'agrégation plaquettaire. La méthode est également une méthode de traitement de la thrombose. La méthode consiste à administrer à un sujet, une composition pharmaceutique comprenant une quantité thérapeutiquement efficace d'un composé antagoniste des récepteurs P2Y¿12?, ladite quantité étant efficace pour lier les récepteurs P2Y¿12? sur des plaquettes et pour inhiber l'agrégation plaquettaire induite par ADP. Les composés antagonistes des récepteurs P2Y¿12 ?utiles pour cette invention comprennent les monophosphates 5' de monocluéoside , les polyphosphates de monocluéoside et les phosphates de dinucléoside représentés par la formule (I), ou bien des sels de ces derniers. La présente invention concerne également de nouveaux composés de monophosphates 5' de monocluéoside et des diphosphates de dinucléoside. Cette invention se rapporte en outre à des formulations pharmaceutiques comprenant un support pharmaceutique et des monophosphates 5' de monocluéoside ou des diphosphates de dinucléoside. ¿ ?

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