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|Title:||Method of treating Parkinson's Disease using pentanedione derivatives|
|Abstract:||The invention concerns a method for the treatment of Parkinson's Disease. The method comprises administering a catechol-O-methyl-transferase inhibiting amount of a compound having the formula I ##STR1## wherein R.sub.1 and R.sub.2 independently represent hydrogen, alkylcarbamoyl of 2 to 5 carbon atoms or alkylcarbonyl of 2 to 5 carbon atoms, X represents nitro or cyano and R.sub.3 represents ##STR2## wherein R.sub.4 represents cyano or alkylcarbonyl of 2 to 5 carbon atoms and R.sub.5 represents cyano; alkylcarbonyl of 2 to 5 carbon atoms; or carbamoyl which is unsubstituted or substituted with alkyl of 1 to 8 carbon atoms, or hydroxyalkyl of 1 to 8 carbon atoms or pharmaceutically acceptable salts or esters thereof; and a sufficient amount of levodopa to treat Parkinson's Disease. A peripheral decarboxylase inhibitor such as carbidopa or benzerazide is also preferably administered.|
|Inventor(s):||Backstrom; Reijo (Helsinki, FI), Heinola; Kalevi E. (Jarvempaa, FI), Honkanen; Erkki J. (Vantaa, FI), Kaakkola; Seppo K. (Helsinki, FI), Kairisalo; Pekka J. (Helsinki, FI), Linden; Inge-Britt Y. (Helsinki, FI), Mannisto; Pekka I. (Helsinki, FI), Nissinen; Erkki A. O. (Espoo, FI), Pohto; Pentti (Helsinki, FI), Pippuri; Aino K. (Espoo, FI), Pystynen; Jarmo (Espoo, FI)|
|Assignee:||Orion-yhtyma Oy (Espoo, FI)|
Patent Claim Types:|
see list of patent claims
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
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