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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Parkinson's Disease (Disorder) Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Perceptual Decision Making Under Conditions of Visual Uncertainty

NCT01845883
View directory record Official record
Conditions
Parkinson's Disease, Dystonia, Ataxia
Interventions
Deep Brain Stimulation (DBS)
Procedure
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Jun 10, 2026, 10:10 AM EDT
Completed No phase listed Observational

Idiopathic Parkinson's Progression and Dopamine Transporter SPECT

NCT03531086
View directory record Official record
Conditions
Parkinson Disease
Interventions
Ioflupane I 123
Drug
Lead sponsor
Julie Gurwell
Other
Eligibility
40 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Not applicable Interventional

Low-load Resistance Training With Blood Flow Restriction in People With Parkinson's Disease

NCT05806775
View directory record Official record
Conditions
Parkinson Disease
Interventions
Low-load resistance training with blood flow restriction
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Jun 10, 2026, 10:10 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Spectroscopy in Parkinson Disease

NCT01005030
View directory record Official record
Conditions
Parkinson Disease
Interventions
Blood draw
Other
Lead sponsor
Molecular Biometrics, Inc.
Industry
Eligibility
46 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 9, 2009 · Synced Jun 10, 2026, 10:10 AM EDT
Not yet recruiting No phase listed Observational

Optimizing Deep Brain Stimulation to Improve Visuomotor Function in Parkinson's Disease

NCT06857851
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jun 10, 2026, 10:10 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Assess if BIIB122 Tablets Are Safe and Can Slow Worsening of Early-Stage Parkinson's Disease in Participants With Specific LRRK2 Genetic Variants Between the Ages of 30 and 80 Using the Movement Disorder Society-Unified Parkinson's Disease Rating Scale

NCT05418673
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Not applicable Interventional

Move to Improve Physical Activity in Parkinson's Disease

NCT04051151
View directory record Official record
Conditions
Parkinson Disease, Apathy
Interventions
Gameficiation
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Jun 10, 2026, 10:10 AM EDT
Suspended Phase 1Phase 2 Interventional

Microbiota Intervention to Change the Response of Parkinson's Disease

NCT03575195
View directory record Official record
Conditions
Parkinson Disease
Interventions
Rifaximin, Placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
30 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Jun 10, 2026, 10:10 AM EDT
Completed No phase listed Observational

MER Versus MRI Guidance DBS in Parkinson's Disease

NCT01883973
View directory record Official record
Conditions
Idiopathic Parkinson's Disease (PD)
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
30 Years to 79 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Jun 10, 2026, 10:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

PET Scan to Study Brain Control of Human Movement

NCT00001324
View directory record Official record
Conditions
Ataxia, Cerebrovascular Accident, Healthy, Movement Disorder, Tremor
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Phase 2 Interventional

A Fourteen-Week Placebo-Controlled Dose-Response Efficacy and Safety Study of NS 2330 in Early Parkinson's Disease Patients (Study for Proof of Concept in Early Parkinson's Disease of a Triple Reuptake Inhibitor, NS 2330 / SCEPTRE)

NCT00148486
View directory record Official record
Conditions
Parkinson Disease
Interventions
NS 2330
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years to 80 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
47
States / cities
Peoria, Arizona • Tucson, Arizona • Fountain Valley, California + 38 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2013 · Synced Jun 10, 2026, 10:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Connecting the Lab to Everyday Life: The Relevance of Executive Dysfunction to Participation and Quality of Life in Parkinson's Disease (PD) Without Dementia

NCT00917280
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years to 70 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Jun 10, 2026, 10:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Biomarker in Early Parkinson's Disease

NCT03384797
View directory record Official record
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
50 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 9, 2019 · Synced Jun 10, 2026, 10:10 AM EDT
Recruiting Not applicable Interventional

Globus Pallidus Stimulation to Treat Insomnia

NCT04116996
View directory record Official record
Conditions
Parkinson Disease
Interventions
DEEP BRAIN STIMULATION
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 30, 2025 · Synced Jun 10, 2026, 10:10 AM EDT
Terminated Phase 2Phase 3 Interventional

Open-label Safety Study of Dipraglurant (ADX48621) in Patients With Parkinson's Disease Receiving Levodopa-based Therapy

NCT05116813
View directory record Official record
Conditions
Parkinson Disease, Dyskinesia, Drug-Induced, Dyskinesias
Interventions
Dipraglurant
Drug
Lead sponsor
Addex Pharma S.A.
Industry
Eligibility
30 Years to 85 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
7
States / cities
Augusta, Georgia • Kansas City, Kansas • New Brunswick, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Not applicable Interventional Results available

Study in Parkinson's Disease of Exercise

NCT01506479
View directory record Official record
Conditions
Parkinson Disease
Interventions
Moderate Exercise, Vigorous Exercise, No Intervention
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 80 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
3
States / cities
Aurora, Colorado • Chicago, Illinois • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Jun 10, 2026, 10:10 AM EDT
Completed No phase listed Observational

Norepinephrine Transporter Blockade as a Pathological Biomarker in Neurogenic Orthostatic Hypotension

NCT01316666
View directory record Official record
Conditions
Orthostatic Hypotension, Pure Autonomic Failure, Multiple System Atrophy, Parkinson's Disease
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
4
States / cities
Boston, Massachusetts • Rochester, Minnesota • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Jun 10, 2026, 10:10 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Novel DBS Stimulation Patterns for Treatment of Parkinson's Disease

NCT04799470
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Novel DBS stimulation patterns
Device
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of [18F]MNI-777 PET as a Marker of Tau Pathology in Subjects With Tauopathies Compared to Healthy Subjects

NCT02103894
View directory record Official record
Conditions
Alzheimer's Disease (AD), Parkinson's Disease (PD), Chronic Traumatic Encephalopathy (CTE), Progressive Supranuclear Palsy (PSP), Frontal Temporal Dementia (FTD), Pick's Disease, Tauopathies
Interventions
[18F]T807 ([18F]MNI-777)
Drug
Lead sponsor
Molecular NeuroImaging
Other
Eligibility
18 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Phase 3 Interventional Results available

Open Label Continuation Treatment Study With Levodopa-Carbidopa Intestinal Gel in Advanced Parkinson's Disease

NCT00660673
View directory record Official record
Conditions
Advanced Parkinson's Disease
Interventions
Levodopa-Carbidopa Intestinal Gel (LCIG), CADD-Legacy® 1400 ambulatory infusion pump, Percutaneous Endoscopic Gastrostomy with jejunal extension tube (PEG-J)
Drug · Device
Lead sponsor
AbbVie
Industry
Eligibility
30 Years to 99 Years
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
31
States / cities
Birmingham, Alabama • Encinitas, California • Fountain Valley, California + 25 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Jun 10, 2026, 10:10 AM EDT
Terminated No phase listed Observational

A Non-interventional Study for the Collection of Biospecimens From Patients With Parkinson's Disease

NCT04893083
View directory record Official record
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Neuron23 Inc.
Industry
Eligibility
40 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Englewood, Colorado • Farmington Hills, Michigan • Kirkland, Washington
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Phase 1 Interventional

A Study of AAV-hAADC-2 in Subjects With Parkinson's Disease

NCT00229736
View directory record Official record
Conditions
Parkinson's Disease
Interventions
AAV-hAADC-2
Genetic
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
40 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced Jun 10, 2026, 10:10 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Establishment of a Human Tissue Bank for Studying the Microbial Etiology of Neurodegenerative Diseases

NCT01954875
View directory record Official record
Conditions
Neurodegenerative Diseases, Amyotrophic Lateral Sclerosis, Multiple Sclerosis, Parkinson Disease
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2019
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Jun 10, 2026, 10:10 AM EDT
Completed Not applicable Interventional

Expectation and Response to Levodopa and Acupuncture in Parkinson's Disease

NCT00692328
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Levodopa or acupuncture
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 80 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Jun 10, 2026, 10:10 AM EDT