Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 5, 2026, 9:38 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson's Disease
Interventions
Tozadenant (SYN115) 60 mg BID, Placebo, Levodopa (L-dopa), Tozadenant (SYN115) 120 mg BID, Tozadenant (SYN115) 180 mg BID, Tozadenant (SYN115) 240 mg BID
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
40
States / cities
Birmingham, Alabama • La Jolla, California • Loma Linda, California + 37 more
Conditions
Idiopathic Parkinson Disease
Interventions
Tozadenant
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
31
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Long Beach, California + 25 more
Conditions
Idiopathic Parkinson's Disease
Interventions
tozadenant, placebo
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
449 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
40
States / cities
Birmingham, Alabama • Sun City, Arizona • Loma Linda, California + 37 more