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Parkinson's Disease clinical trials

Directory of U.S. ClinicalTrials.gov public records for Parkinson's Disease. Browse Parkinson's Disease recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.

By the Clinical Trials Finder editorial team Guidance last reviewed June 10, 2026 Data synced July 23, 2026 Report an issue

ClinicalTrials.gov public records Last synced Jul 23, 2026, 7:57 AM EDT

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

Official matching trials
253
Shown on this page
12
Current sort
Recently updated
Condition scope
Parkinson's Disease
Additional filters apply within this condition.
The trial list below is retrieved from the live ClinicalTrials.gov search API for Parkinson's Disease. Results on this page are currently sorted by Recently updated.

How Parkinson's Disease studies are organized in the registry

Records generally use the registry spelling “Parkinson disease.” The portfolio mixes drug studies with a high share of device, exercise, and rehabilitation research, so the study-type filter is unusually useful here. Disease-stage language (“early,” “advanced,” “levodopa-treated”) commonly appears in titles.

Terms that often appear in related listings

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

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These controls apply only within Parkinson's Disease. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 1–12 of 253 matching trials for Parkinson's Disease.
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Live official records

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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 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson Disease
Interventions
AP-472, Placebo
Drug · Other
Lead sponsor
Appello Pharmaceuticals, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
30
States / cities
Little Rock, Arkansas • Carlsbad, California • Los Alamitos, California + 25 more
Conditions
Parkinson's Disease
Interventions
Deep Brain Stimulation management
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson's Disease
Interventions
Convection enhanced delivery/AAV2-GDNF
Genetic
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Gait Analysis in Neurological Disease

NCT02994719
Conditions
Parkinson's Disease, Parkinsonian Disorders, Atypical Parkinson Disease, Progressive Supranuclear Palsy, Multiple System Atrophy, Corticobasal Degeneration, Gait, Frontal, Huntington Disease, Ataxia, Spinocerebellar
Interventions
Anti-Parkinson medication, Deep Brain Stimulation
Drug · Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson's Disease
Interventions
Prasinezumab, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
50 Years to 85 Years
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
46
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fullerton, California + 42 more
Completed Early Phase 1 Interventional Accepts healthy volunteers

Sustained Release Oral Formulation for Treatment of Parkinson's Disease

NCT05471609
Conditions
Healthy Volunteers
Interventions
levodopa/carbidopa oral formulation A, levodopa/carbidopa oral formulation B
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Parkinsons Disease
Interventions
Prasinezumab, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
50 Years to 85 Years
Enrollment
586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fullerton, California + 27 more
Conditions
Parkinson Disease
Interventions
CREXONT ER
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
40 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Active, not recruiting Phase 1Phase 2 Interventional

Repurposing Lithium for Parkinson's Disease: a RCT

NCT06339034
Conditions
Parkinson Disease
Interventions
Lithium, Placebo
Dietary Supplement · Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
40 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Williamsville, New York
Completed No phase listed Observational Accepts healthy volunteers

PET Scanning in Parkinson s Disease

NCT00024622
Conditions
Schizophrenia, Parkinson's Disease
Interventions
18F-Fluoro-L-dopa, O-15 Water
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 90 Years
Enrollment
502 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson's Disease (PD)
Interventions
ABBV-951
Drug
Lead sponsor
AbbVie
Industry
Eligibility
30 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
47
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 41 more

About this Parkinson's Disease clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Parkinson's Disease as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
How to narrow results
Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Parkinson's Disease.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Parkinson's Disease.