Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jun 26, 2026, 1:05 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Dyskinesias, Parkinson Disease
Interventions
LY300164
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson Disease
Interventions
BHV-8000, Placebo
Drug
Lead sponsor
Biohaven Therapeutics Ltd.
Industry
Eligibility
40 Years to 85 Years
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • Farmington, Connecticut + 12 more
Conditions
Parkinson's Disease
Interventions
SKY Breath and Meditation
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
3
States / cities
Coral Springs, Florida • Davie, Florida • Fort Lauderdale, Florida
Conditions
Parkinson Disease
Interventions
Autologous midbrain dopamine neurons
Biological
Lead sponsor
Penelope J. Hallett, Ph.D.
Other
Eligibility
55 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson Disease
Interventions
High-Intensity Aerobic Exercise (AE), Usual and Customary Care (UCC)
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Cleveland, Ohio • Salt Lake City, Utah
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Not applicable Interventional Results available

Aerobic Exercise in Parkinson's Disease

NCT03808675
Conditions
Parkinson's Disease
Interventions
Aerobic walking, Usual care with PD specific health education
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Iowa City, Iowa
Conditions
Parkinson Disease, Anxiety, Depression
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Houston, Texas
Conditions
Parkinson Disease
Interventions
apomorphine HCl injection
Drug
Lead sponsor
Mylan Bertek Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2005
U.S. locations
1
States / cities
Morgantown, West Virginia
Terminated Not applicable Interventional Results available

Low Dose Niacin (Vitamin B3) for Parkinson's Disease

NCT03808961
Conditions
Parkinson's Disease
Interventions
Niacin, Niacinamide, Placebo
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Parkinson's Disease, Multiple System Atrophy, Autonomic Failure
Interventions
13N-Ammonia, 18F-DOPA, 11C-Methylreboxetine (11C-MRB), 18F-Dopamine
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 120 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson's Disease, Mild Cognitive Impairment
Interventions
MagVenture MagProX100 stimulator (MagVenture, Falun, Denmark)
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
2
States / cities
Chicago, Illinois • Hines, Illinois
Conditions
Parkinson Disease
Interventions
Placebo, Pramipexole
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
30 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
10
States / cities
Sun City, Arizona • Tempe, Arizona • La Jolla, California + 7 more
Conditions
Parkinson's Disease
Interventions
Mindfulness Based Stress Reduction, Psychoeducational Supportive Care
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
San Diego, California
Conditions
Parkinson's Disease
Interventions
Mesenchymal Stem Cells, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
50 Years to 79 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Houston, Texas
Conditions
Parkinson' Disease
Interventions
Blood flow restriction (BFR) and aerobic exercise via recumbent stepping (Nu-Step)
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Parkinson's Disease
Interventions
Tyrosine, Placebo Comparator:Sugar Pill
Dietary Supplement · Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
50 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Old Westbury, New York
Conditions
Parkinson's Disease
Interventions
fipamezole
Drug
Lead sponsor
Juvantia Pharma Ltd
Industry
Eligibility
30 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
29
States / cities
Birmingham, Alabama • Northport, Alabama • Tucson, Arizona + 25 more
Conditions
Parkinson Disease, Constipation
Interventions
Active Investigational Treatment ENT-01
Drug
Lead sponsor
Enterin Inc.
Industry
Eligibility
30 Years to 90 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
18
States / cities
Fountain Valley, California • Pasadena, California • Englewood, Colorado + 15 more
Recruiting Phase 1 Interventional Accepts healthy volunteers

PET Imaging of Cyclooxygenases in Neurodegenerative Brain Disease

NCT04396873
Conditions
Parkinson's Disease, Dementia, Alzheimer's Disease, ALS, Mild Cognitive Impairment
Interventions
11C-MC1, 11C-PS13, 18f-florbetaben
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 99 Years
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson Disease
Interventions
THN102 Dosage A, THN102 Dosage B, THN102 Dosage C
Drug
Lead sponsor
Theranexus
Industry
Eligibility
18 Years to 80 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Kansas City, Kansas • Boston, Massachusetts • Houston, Texas
Completed Phase 1Phase 2 Interventional Results available

A Pilot Study of Terazosin for Parkinson's Disease

NCT03905811
Conditions
Parkinson Disease
Interventions
Terazosin 5 MG, Placebo oral capsule
Drug
Lead sponsor
Jordan Schultz
Other
Eligibility
40 Years to 90 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers

A Study of the Sense of Smell in Relatives of Parkinson's Disease Patients

NCT00096876
Conditions
Parkinson Disease, Parkinsonian Syndrome
Interventions
Not listed
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
21 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut