Dataset from A Two Year Phase IIIb Randomised, Multicenter, Double-blind, SINEMET Controlled, Parallel Group, Flexible Dose Study, to Assess the Effectiveness of Controlled Release Ropinirole add-on Therapy to L-dopa at Increasing the Time to Onset of Dyskinesia in Parkinson's Disease Subjects.

This study evaluates how effective a new formulation of a marketed drug is in increasing the time to onset of dyskinesia (abnormal twisting, writhing movements) in patients with Parkinson's Disease who have been taking levodopa for less than 2 years.