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Ropinirole is effective on motor function when used as an adjunct to levodopa in Parkinson's disease: STRONG study.

Abstract
We report the results of a randomized, double-blind, placebo-controlled, 16-week study to evaluate the efficacy and safety of ropinirole, 0.75 to 15.0 mg/day, as an adjunct to levodopa. A total of 243 patients were randomly assigned into placebo or ropinirole groups. The mean (standard deviation) dose of ropinirole at endpoint was 7.12 (2.88) mg/day. The primary endpoint-the mean reduction in the Unified Parkinson's Disease Rating Scale (UPDRS) total motor score-was significantly greater for the ropinirole group than the placebo group (-9.5 vs. -4.5, P = 0.00001). The mean reduction in the UPDRS total activities of daily living (ADL) score was also significantly greater for ropinirole than for placebo (-2.7 vs. -1.0, P = 0.0002). The percentage of patients showing at least a 20% reduction in the percentage of time spent "off" was significantly greater for the ropinirole group than for the placebo group (58.7% vs. 38.6%, P = 0.030). A total of 84.3 and 65.6% of the patients experienced adverse events while receiving ropinirole or placebo, respectively. The results showed that ropinirole was more effective than placebo in improving motor function and ADL when used as an adjunct to levodopa in patients with advanced Parkinson's disease.
AuthorsYoshikuni Mizuno, Takashi Abe, Kazuko Hasegawa, Sadako Kuno, Tomoyoshi Kondo, Mitsutoshi Yamamoto, Mitsuyoshi Nakashima, Ichiro Kanazawa,
JournalMovement disorders : official journal of the Movement Disorder Society (Mov Disord) Vol. 22 Issue 13 Pg. 1860-5 (Oct 15 2007) ISSN: 0885-3185 [Print] United States
PMID17618525 (Publication Type: Comparative Study, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
Copyright2007 Movement Disorder Society
Chemical References
  • Antiparkinson Agents
  • Indoles
  • ropinirole
  • Levodopa
Topics
  • Activities of Daily Living (classification)
  • Aged
  • Antiparkinson Agents (adverse effects, therapeutic use)
  • Case-Control Studies
  • Dose-Response Relationship, Drug
  • Double-Blind Method
  • Drug Therapy, Combination
  • Female
  • Humans
  • Indoles (adverse effects, therapeutic use)
  • Levodopa (adverse effects, therapeutic use)
  • Male
  • Middle Aged
  • Mobility Limitation
  • Neurologic Examination (drug effects)
  • Parkinson Disease (drug therapy)
  • Treatment Outcome

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