Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 8, 2026, 8:47 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
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
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
Parkinson's Disease
Interventions
Placebo, Tozadenant
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
40 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
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
Conditions
Parkinson's Disease Dementia (PDD)
Interventions
SYN120, Placebo
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
50 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
20
States / cities
Birmingham, Alabama • Sun City, Arizona • La Jolla, California + 14 more
Conditions
Cocaine Dependence
Interventions
SYN117 Placebo, SYN117 80 mg, SYN117 160 mg, Cocaine 10mg, Cocaine 20mg, Cocaine 40mg, Saline
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Hepatic Impairment
Interventions
Tozadenant
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida
Conditions
Generalized Anxiety Disorder
Interventions
SYN111, Placebo
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
Atlanta, Georgia • Dayton, Ohio