Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 16, 2026, 7:12 AM EDT

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Showing 697–720 of 1,409 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson Disease
Interventions
Vercise DBS System
Device
Lead sponsor
Jonathan Jagid
Other
Eligibility
40 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Miami, Florida
Recruiting No phase listed Observational Accepts healthy volunteers

PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort

NCT04477785
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
30 Years and older
Enrollment
4,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2033
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more
Conditions
Parkinson's Disease
Interventions
Wellness Recovery Program
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
45 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Parkinson Disease
Interventions
RO7486967, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
40 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
9
States / cities
Birmingham, Alabama • Los Angeles, California • Englewood, Colorado + 6 more
Conditions
Parkinson's Disease, Multiple System Atrophy, Parkinson Variant, Multiple System Atrophy
Interventions
This is an observational study.
Other
Lead sponsor
AskBio Inc
Industry
Eligibility
35 Years to 75 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
7
States / cities
Irvine, California • Boca Raton, Florida • Boston, Massachusetts + 4 more
Conditions
Parkinson's Disease
Interventions
niacin, placebo
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Augusta, Georgia
Completed No phase listed Observational Accepts healthy volunteers

Effects of Brain Stimulation on Learning and Reasoning

NCT00001776
Conditions
Cerebellar Disease, Dementia, Healthy, Parkinson's Disease
Interventions
Cadwell Rapid Rate Magnetic Stimulator
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson's Disease
Interventions
Placebo, BIIB054
Drug
Lead sponsor
Biogen
Industry
Eligibility
40 Years to 80 Years
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
32
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 26 more
Conditions
Depression, Parkinson's Disease
Interventions
TH-CBT, Enhanced Usual Care
Behavioral · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
35 Years to 85 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Piscataway, New Jersey
Recruiting No phase listed Observational

Physiological Brain Atlas Development

NCT00575081
Conditions
Parkinson's Disease, Obsessive Compulsive Disorder, Dystonia, Essential Tremor, Epilepsy
Interventions
Stereotactic brain procedures
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
6 Years to 90 Years
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
23andMe, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13,576 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
1
States / cities
Mountain View, California
Conditions
Neurocognition
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 85 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Parkinson Disease
Interventions
autologous dopaminergic cell implantation
Biological
Lead sponsor
Jeffrey S. Schweitzer, MD, PhD
Other
Eligibility
45 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson Disease
Interventions
Ropinirole
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
30 Years and older
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
28
States / cities
Birmingham, Alabama • Northridge, California • San Francisco, California + 24 more
Recruiting No phase listed Observational

Udall Project 2 Aim 2A&C

NCT05656586
Conditions
Parkinson Disease
Interventions
observational-- no intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Results available

Telemedicine Intervention to Improve Physical Function

NCT01639469
Conditions
Parkinson's Disease
Interventions
Structured exercise, Lifestyle exercise
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Relative Bioavailability and Food Effect Study of CVN424

NCT05635461
Conditions
Parkinson's Disease
Interventions
CVN424
Drug
Lead sponsor
Cerevance Beta, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Parkinson Disease
Interventions
BIIB122, BIIB122-Matching Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
30 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
12
States / cities
San Francisco, California • Aurora, Colorado • Englewood, Colorado + 8 more
Conditions
Advanced Stage Parkinson's Disease
Interventions
Levodopa (Pardoprunox), Placebo Comparator
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
30 Years and older
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
15
States / cities
Birmingham, Alabama • La Jolla, California • San Francisco, California + 12 more
Completed No phase listed Observational Accepts healthy volunteers

Haptoglobin and Iron in Parkinson's Disease

NCT02422992
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Bastyr University
Other
Eligibility
35 Years to 92 Years
Enrollment
342 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
3
States / cities
San Diego, California • Kenmore, Washington • Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Voice Treatment for Parkinson's Disease

NCT00123084
Conditions
Parkinson's Disease, Dysphagia, Dysarthria
Interventions
Voice/Respiration Treatment, Speech/Articulation Treatment
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
45 Years to 85 Years
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2012
U.S. locations
2
States / cities
Denver, Colorado • San Antonio, Texas
Conditions
Parkinson Disease
Interventions
Pramipexole, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
31 Years and older
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
39
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Fountain Valley, California + 32 more
Conditions
Parkinson's Disease
Interventions
Rotigotine, Placebo
Drug · Other
Lead sponsor
UCB Pharma
Industry
Eligibility
18 Years and older
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
Reseda, California • Ventura, California • St. Petersburg, Florida + 4 more
Conditions
Parkinson's Disease (PD)
Interventions
Low-fidelity driving simulator training
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
30 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas