Nebicapone
Nebicapone is under investigation in clinical trial NCT03097211 (Effect of BIA 6-512 at Steady-state on the Levodopa Pharmacokinetics With a Single-dose of Levodopa/Benserazide 200/50 mg or With a Single-dose of Levodopa/Benserazide 200/50 mg Plus a Single-dose of Nebicapone 150 mg).