Multicentre Study in Four Parallel Groups of Parkinson's Disease (PD) Patients
Conditions
Interventions
- DRUG: Placebo
- DRUG: BIA 9-1067
- DRUG: BIA 9-1067
- DRUG: BIA 9-1067
- DRUG: Levodopa/Carbidopa
- DRUG: Levodopa/Benzerazide
Sponsor
Bial - Portela C S.A.