Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 17, 2026, 12:26 AM EDT

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

Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson's Disease, Motor Symptoms, Akinesia, Hypomobility, Delayed Levodopa Onset
Interventions
APOKYN, L-dopa, Trimethobenzamide
Drug
Lead sponsor
MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
12
States / cities
Los Angeles, California • Reseda, California • Washington D.C., District of Columbia + 9 more
Conditions
Healthy Volunteers
Interventions
KarXT, Trimethobenzamide, Ondansetron, Meclizine
Drug
Lead sponsor
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
Industry
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
4
States / cities
Los Alamitos, California • Hollywood, Florida • Atlanta, Georgia + 1 more
Conditions
Parkinson's Disease
Interventions
Tigan®, Placebo
Drug
Lead sponsor
Ipsen
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
27
States / cities
Phoenix, Arizona • Scottsdale, Arizona • La Jolla, California + 24 more
Conditions
Volunteer, Attention Deficit Hyperactivity Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Idiopathic Parkinson Disease
Interventions
PF-06649751, Trimethobenzamide Hydrochloride, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
7
States / cities
Long Beach, California • Hallandale, Florida • Atlanta, Georgia + 3 more