Overview Effect of Opicapone at Steady State on Warfarin Pharmacokinetics Status: Completed Trial end date: 2014-05-01 Target enrollment: Participant gender: Summary Single-centre, open-label, fixed-sequence design consisting of 2 periods separated by a washout period of at least 14 days. Phase: Phase 1 Details Lead Sponsor: Bial - Portela C S.A.Treatments: OpicaponeWarfarin