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Last Updated: December 22, 2024

Claims for Patent: 7,727,994

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Summary for Patent: 7,727,994

Title:	Methods of treating patients suffering from movement disorders
Abstract:	The present invention is directed to methods of treating movement disorders by administering an effective amount of one or more adenosine A.sub.2A receptor antagonists to a patient in need thereof. The present invention also provides methods of decreasing the adverse effects of L-DOPA in patients receiving L-DOPA therapy in the treatment of Parkinson's disease. The present invention further provides methods and compositions for treating Parkinson's disease patients with sub-clinically effective doses of L-DOPA by combining L-DOPA treatment with an effective amount of one or more adenosine A.sub.2A receptor antagonists (i.e., L-DOPA sparing effect). The present invention further provides methods of effective treatment of Parkinson's disease by co-administering at least one adenosine A.sub.2A receptor antagonist, L-DOPA and a dopamine agonist and/or a COMT inhibitor and/or a MAO inhibitor. The present invention further provides methods of prolonging effective treatment of Parkinson's disease by administering an adenosine A.sub.2A receptor antagonist singly or together with a dopamine agonist, and/or a COMT inhibitor, and/or a MAO inhibitor without prior or subsequent administration of L-DOPA, delaying or removing on-set of L-DOPA motor complication.
Inventor(s):	Kase; Hiroshi (Tokyo, JP), Mori; Akihisa (Chiba, JP), Waki; Yutaka (Princeton, NJ), Ohsawa; Yutaka (London, GB), Karasawa; Akira (Shizuoka, JP), Kuwana; Yoshihisa (Shizuoka, JP)
Assignee:	Kyowa Hakko Kirin Co., Ltd. (Tokyo, JP)
Application Number:	11/326,516
Patent Claims:	1. A method of prolonging effective treatment of Parkinson's disease, comprising administering to a patient in need thereof (E)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methylxanthine, in an amount effective to delay the patient's need for add-on L-DOPA therapy, wherein the patient currently receives L-DOPA therapy. 2. The method according to claim 1 wherein the development of motor complications is delayed. 3. The method according to claim 1 wherein the patient does not have subsequent administration of L-DOPA.

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