Zonisamide: in Parkinson's disease.

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CNS Drugs 2009 ; 23(8):703-11

Authors: Lily P H Yang, Caroline M Perry

Wolters Kluwer Health mid R: Adis, Auckland, New Zealand, an editorial office of Wolters Kluwer Health, Philadelphia, Pennsylvania, USA.

black triangle Zonisamide, a widely available antiepileptic drug, has been approved in Japan as adjunctive therapy with levodopa for the treatment of previously treated patients with Parkinson's disease. It is an oral 1,2-benzisoxazole-3-methanesulfonamide and is associated with increased striatal dopamine levels in animal models. black triangle In two 12-week, randomized, double-blind, multicentre trials in adult patients with inadequately controlled Parkinson's disease and receiving levodopa, zonisamide 25 mg once daily (the recommended dosage) significantly improved motor function from baseline at final assessment, as assessed by the Unified Parkinson's Disease Rating Scale (UPDRS) Part III total score (primary endpoint), compared with placebo. black triangle Zonisamide 25 mg once daily as adjunctive therapy with levodopa was generally well tolerated by patients with Parkinson's disease. The overall incidence of adverse events was not significantly different between zonisamide 25 mg once daily and placebo groups in the phase IIb/III trial. Fig. No caption available.

PMID: 19594199 [PubMed - as supplied by publisher]

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