This is a randomised, double-blind, placebo-controlled, multi-centre, parallel group, interventional clinical study in PD patients with end-of-dose motor fluctuations and associated pain. The study consists of a 1-week screening period, a 24-week double-blind treatment period and 2 weeks of follow-up period. The duration of treatment for the individual patient is expected to be up to 24 weeks.
The aim of this study is to investigate the efficacy of 50 mg opicapone when administered with the existing treatment of levodopa (L-dopa) plus a dopa decarboxylase inhibitor (DDCI), in Parkinson's disease (PD) patients with end-of-dose motor fluctuations and associated pain