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ClinicalTrials.gov public records Last synced Oct 30, 2026, 5:29 AM EDT

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Showing 721–744 of 1,450 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Primary Parkinsonism Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

Longitudinal Analysis of Gait Variability to Predict Falls in Parkinson's Disease

NCT04339543
View directory record Official record
Conditions
Parkinson Disease, Healthy Aging
Interventions
Cognitive dual-task walking
Other
Lead sponsor
University of Nebraska
Other
Eligibility
60 Years to 90 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 5, 2024 · Synced Oct 30, 2026, 5:29 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Long-term Follow-up of Glutamic Acid Decarboxylase (GAD) Gene Transfer in Parkinson's Disease

NCT05894343
View directory record Official record
Conditions
Parkinson's Disease
Interventions
AAV-GAD
Genetic
Lead sponsor
MeiraGTx, LLC
Industry
Eligibility
25 Years to 86 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
6
States / cities
New Haven, Connecticut • West Bloomfield, Michigan • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Phase 2 Interventional

Ketamine for the Treatment of Depression in Parkinson's Disease

NCT04944017
View directory record Official record
Conditions
Parkinson's Disease, Depression
Interventions
Ketamine Infusion, Placebo - Saline Infusion
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
40 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Phase 1 Interventional

Study to Evaluate DNL151 in Subjects With Parkinson's Disease

NCT04056689
View directory record Official record
Conditions
Parkinson's Disease
Interventions
DNL151, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
30 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Orlando, Florida • Farmington Hills, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Oct 30, 2026, 5:29 AM EDT
Completed No phase listed Observational

The Motor Network in Essential Tremor: Mechanisms of Therapy

NCT02712515
View directory record Official record
Conditions
Essential Tremor, Parkinson's Disease
Interventions
Deep brain stimulation implantation surgery, Ad-Tech Medical Instrumentation Corp. electrodes/subdural strips, FHC Guideline 4000+ system and/or Medtronic RC+S
Procedure · Device
Lead sponsor
University of Florida
Other
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Phase 3 Interventional

Safety Study of AVP-923 in the Treatment of IEED (Involuntary Emotional Expression Disorder) Also Known as Pseudobulbar Affect (Episodes of Uncontrolled Crying and/or Laughter)

NCT00056524
View directory record Official record
Conditions
Alzheimer's Disease, Stroke, Parkinson's Disease, Traumatic Brain Injury
Interventions
AVP-923
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
39
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 30, 2026, 5:29 AM EDT
Withdrawn Phase 4 Interventional

Solifenacin Succinate (VESIcare) for the Treatment of Urinary Incontinence in Parkinson's Disease

NCT00584090
View directory record Official record
Conditions
Urinary Incontinence, Parkinson's Disease
Interventions
Solifenacin Succinate (VESIcare), Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
30 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 3, 2012 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

Pragmatic Cyclical Lower Extremity Exercise Trial for Parkinson's Disease

NCT04000360
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 30, 2026, 5:29 AM EDT
Not listed Phase 1 Interventional

A Study to Assess the Safety of BMS-984923 Compared to Placebo, in People With Parkinson's

NCT06309147
View directory record Official record
Conditions
Parkinson Disease
Interventions
BMS-9894923
Drug
Lead sponsor
Allyx Therapeutics
Industry
Eligibility
50 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

Cognitive Benefits of Treating Sleep Apnea in Parkinson's Disease

NCT00492115
View directory record Official record
Conditions
Parkinson's Disease, Sleep Disordered Breathing
Interventions
Continuous positive airway pressure (CPAP), Placebo CPAP
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 30, 2026, 5:29 AM EDT
Not listed No phase listed Observational

Measures of Mitochondria Dysfunction in PD

NCT04300608
View directory record Official record
Conditions
Parkinson Disease, Mitochondrial
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
65 Years to 85 Years
Enrollment
30 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Oct 30, 2026, 5:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging of Dopamine Metabolism in Normal and Psychiatric Patients

NCT00001320
View directory record Official record
Conditions
Healthy, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
265 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1991 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 30, 2026, 5:29 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Clinical Trial to Evaluate the Safety and Tolerability of Hydrogen in Patients With Parkinson's Disease

NCT03971617
View directory record Official record
Conditions
Parkinson Disease
Interventions
Hydrogen, Placebo oral tablet
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
40 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

Dual-task Augmented Reality for PD DBS

NCT06418152
View directory record Official record
Conditions
Parkinson's Disease, Deep Brain Stimulation
Interventions
Multi-modal treatment
Behavioral
Lead sponsor
Jay Alberts
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Not applicable Interventional

Interval Training and Parkinson's Disease

NCT06606743
View directory record Official record
Conditions
Other Disorders of Autonomic Nervous System
Interventions
High-Intensity Interval Training, High-Velocity Circuit Resistance Training
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
30 Years to 90 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Aug 15, 2025 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Phase 3 Interventional

An Open Label SLV308 Safety Extension to Study S308.3.003 in Early PD Patients

NCT00335374
View directory record Official record
Conditions
Early Stage Parkinson's Disease
Interventions
Pardoprunox
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
30 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
14
States / cities
Birmingham, Alabama • Oceanside, California • Oxnard, California + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2009 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Phase 1Phase 2 Interventional

Behavioral Treatments for Anxiety and Depression in Veterans With Parkinson's Disease

NCT01323699
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 1, 2013 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MBCT for People With Parkinson's Disease and Caregivers

NCT04469049
View directory record Official record
Conditions
Parkinson Disease, Anxiety, Depression
Interventions
Mindfulness-based cognitive therapy (MBCT)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 30, 2026, 5:29 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Brain Health Registry: An Online Registry to Identify and Assess Subjects for Brain Research

NCT02402426
View directory record Official record
Conditions
Healthy, Neurodegenerative Disease
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 30, 2026, 5:29 AM EDT
Withdrawn Phase 2 Interventional

Comparison of Continuous and Pulsatile Apomorphine in Parkinson's Disease

NCT00758368
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Apomorphine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 2, 2018 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

Optimizing Vibrational Therapy to Improve Gait and Balance in Parkinson's Disease

NCT03883217
View directory record Official record
Conditions
Parkinson Disease
Interventions
Vibration Session, No vibration session
Device
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years to 95 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 30, 2026, 5:29 AM EDT
Terminated No phase listed Observational

Neurogenic Dysphonia/Dysphagia Registry

NCT02493491
View directory record Official record
Conditions
Neurogenic Dysphonia, Neurogenic Dysphagia
Interventions
Not listed
Lead sponsor
Merz North America, Inc.
Industry
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
12
States / cities
La Jolla, California • Sacramento, California • Augusta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2016 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Not applicable Interventional

Safety and Feasibility of Tele-supervised Home-based Transcranial Direct Current Stimulation in Parkinson's Disease

NCT06804668
View directory record Official record
Conditions
Parkinson Disease
Interventions
tDCS
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 30, 2026, 5:29 AM EDT
Completed Phase 1 Interventional Results available

The Stanford Parkinson's Disease Plasma Study

NCT02968433
View directory record Official record
Conditions
Parkinson Disease(PD)
Interventions
Infusions of young plasma
Drug
Lead sponsor
Stanford University
Other
Eligibility
50 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Oct 30, 2026, 5:29 AM EDT