These trials completed more than 12 months ago and should have reported results. Some have, some have not.

These trials are not yet due to report results: some are ongoing, some completed within the past 12 months.

These trials have problematic data on the registry. Details why »

Status Trial ID Title Completion date Category
Not reported 2011-005054-59 A double-blind, randomized, placebo-controlled study of the safety and efficacy of SYN115 as adjunctive therapy in levodopa-treated Parkinson’s subjects with end of dose wearing off 2012-10-17 due-trials
Listed as ongoing, but also has a completion date and reported results 2014-005630-60 A Phase 3, Multicenter, Randomized, Double-Blind, Placebo- Controlled Study with an Open-Label Phase to Determine the Efficacy and Safety of Tozadenant as Adjunctive Therapy in Levodopa-Treated Patien... 2018-01-12 bad-data
Ongoing, reported early 2016-003961-25 A Multicenter, Open-Label Study to Evaluate the Safety and Tolerability of Tozadenant as Adjunctive Therapy in Levodopa-Treated Patients with Parkinson’s Disease Experiencing End of Dose “Wearing-Off” not-yet-due