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ClinicalTrials.gov public records Last synced Oct 12, 2026, 4:08 PM EDT

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Showing 145–168 of 208 matching trials from the live ClinicalTrials.gov search.
Filters: "early Parkinson" Condition: Parkinson's Disease Clear all
Active, not recruiting No phase listed Observational

Early Longitudinal Imaging in Parkinson's Progression Markers Initiative Using [¹⁸F] AV-133 and DaTscan™

NCT04507139
View directory record Official record
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
30 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Oct 12, 2026, 4:08 PM EDT
Completed Phase 3 Interventional

Study To Assess Adverse Events and Change in Disease Activity Of 24-hour Continuous Subcutaneous Infusion Of ABBV-951 In Adult Participants With Advanced Parkinson's Disease

NCT04750226
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Recruiting Not applicable Interventional

Neurophysiology of Locomotor Adaptation and Freezing of Gait in Parkinson's Disease

NCT06911229
View directory record Official record
Conditions
Parkinson Disease
Interventions
Deep Brain Stimulation (DBS)
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Completed Phase 2 Interventional Results available

A 4-Week Study of the Safety, Efficacy, and Pharmacokinetics of JZP-110 [(R)-2-amino-3-phenylpropylcarbamate Hydrochloride] in Subjects With Parkinson's Disease and Excessive Sleepiness

NCT03037203
View directory record Official record
Conditions
Excessive Sleepiness, Parkinson Disease
Interventions
JZP-110, Placebo
Drug · Other
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
35 Years to 80 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
25
States / cities
Los Angeles, California • San Diego, California • Boulder, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Oct 12, 2026, 4:08 PM EDT
Terminated Phase 4 Interventional Results available

Outpatient Physical Therapy Intervention in Subjects With Parkinson's Disease Currently Using APOKYN®

NCT02549573
View directory record Official record
Conditions
Parkinson's Disease, Motor Symptoms
Interventions
APOKYN, Physical Therapy
Drug · Behavioral
Lead sponsor
MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals
Industry
Eligibility
18 Years to 78 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
12
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Loma Linda, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 12, 2026, 4:08 PM EDT
Not yet recruiting Not applicable Interventional

SwallowFIT Study in Parkinson's Disease

NCT07356414
View directory record Official record
Conditions
PARKINSON DISEASE (Disorder)
Interventions
SwallowFit
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
35 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Active, not recruiting Phase 2 Interventional

Terazosin Effect on Cardiac Changes in Early Parkinson's Disease

NCT04386317
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Pre-motor Parkinson's Disease, Symptomatic Parkinson Disease
Interventions
Terazosin
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Recruiting Phase 3 Interventional

A Digital Therapeutic Platform for Swallowing and Drooling Problems in Parkinson's

NCT04664634
View directory record Official record
Conditions
Dysphagia, Parkinson Disease
Interventions
Aria Sensor
Device
Lead sponsor
Northwestern University
Other
Eligibility
22 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Recruiting No phase listed Observational

Real-World Study of Foslevodopa/Foscarbidopa to Assess Quality of Life Outcomes in Adult Participants Earlier Within Advanced Parkinson Disease

NCT07227896
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Georgetown, Texas
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Completed Phase 1 Interventional

Pharmacokinetics and Safety Study of LY03003 in Patients With Early-stage Parkinson's Disease

NCT02055274
View directory record Official record
Conditions
Parkinson's Disease
Interventions
LY03003, Neupro
Drug
Lead sponsor
Luye Pharma Group Ltd.
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
5
States / cities
Long Beach, California • Orlando, Florida • Douglasville, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2015 · Synced Oct 12, 2026, 4:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Study of Neurophysiologic Changes in Individuals With Parkinson's Disease

NCT00117195
View directory record Official record
Conditions
Parkinson's Disease, Parkinsonian Syndrome
Interventions
Automated Neuropsychological Assessment Matrix
Device
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
22 Years and older
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 9, 2012 · Synced Oct 12, 2026, 4:08 PM EDT
Completed No phase listed Observational Results available

Feasibility Of Objective Measures and Outpatient Washout in Disease Modifying Trials for Parkinson's Disease

NCT06192823
View directory record Official record
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
50 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Parkinson's Disease Biomarkers in Nerve Cells in the Gut

NCT05347407
View directory record Official record
Conditions
Parkinson Disease
Interventions
Colonoscopy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Completed No phase listed Observational

Pre-Gene Therapy Study in Parkinson's Disease and Multiple System Atrophy

NCT05699460
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Imaging Biomarkers of Delayed Sequelae in Trauma Brain Injury

NCT01516281
View directory record Official record
Conditions
Traumatic Brain Injury, Parkinson's Disease
Interventions
Not listed
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 100 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 12, 2026, 4:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers in Neural Disorders

NCT02761707
View directory record Official record
Conditions
Parkinson's Disease, Alzheimer's Disease, Progressive Supranuclear Palsy, Essential Tremor, Multiple System Atrophy, Drug Induced Parkinson's Disease, Diffuse Lewy Body Disease, Myasthenia Gravis, Spinal Cord Injuries
Interventions
Electrical Brainstem Responses, Olfactory Tests, Visual Deprivation, Peripheral Nerve Stimulation
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 18, 2019 · Synced Oct 12, 2026, 4:08 PM EDT
Recruiting Not applicable Interventional

Slow-SPEED: Slowing Parkinson's Early Through Exercise Dosage

NCT06993142
View directory record Official record
Conditions
Parkinson Disease, Prodromal Stage, Neurodegenerative Diseases, Basal Ganglia Diseases, Central Nervous System Diseases, Synucleinopathies, Nervous System Diseases, Cerebral Disorder, Brain Diseases, Parkinsonian Disorders, Genetic Predisposition
Interventions
Increase of physical activity volume and intensity with the use of a motivational smartphone application
Behavioral
Lead sponsor
Radboud University Medical Center
Other
Eligibility
50 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 12, 2026, 4:08 PM EDT
Completed Phase 2 Interventional Results available

Nilotinib in Parkinson's Disease

NCT03205488
View directory record Official record
Conditions
Parkinson Disease
Interventions
Cohort 1:Nilotinib Oral Capsules (150mg or 300mg), Cohort 2: Nilotinib Oral Capsules (dose to be determined from Cohort 1), Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
40 Years to 79 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
24
States / cities
Birmingham, Alabama • Sun City, Arizona • Sacramento, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Oct 12, 2026, 4:08 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Ancillary Longitudinal CSF Collection Study in the Harvard Biomarker Study - HBS2

NCT01867788
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 12, 2016 · Synced Oct 12, 2026, 4:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of a Biomarker Related to the GI Tract for the Diagnosis of Parkinson's Disease

NCT01904240
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
30 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 13, 2014 · Synced Oct 12, 2026, 4:08 PM EDT
Completed Not applicable Interventional Results available

Kick Out Parkinson's Disease- Karate Intervention

NCT03555695
View directory record Official record
Conditions
Parkinson Disease
Interventions
Karate Classes, Pre-Intervention Focus Group, Post-Intervention Focus Group
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
30 Years to 90 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Oct 12, 2026, 4:08 PM EDT
Completed No phase listed Observational

Measures of Motor Impairment in Early Parkinson's Disease

NCT00291265
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
30 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 12, 2026, 4:08 PM EDT
Completed Phase 1 Interventional Results available

PF-06669571 In Subjects With Idiopathic Parkinson's Disease

NCT02565628
View directory record Official record
Conditions
Idiopathic Parkinson's Disease
Interventions
PF-06669571, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
45 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
9
States / cities
New Haven, Connecticut • Hallandale, Florida • Hollywood, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Oct 12, 2026, 4:08 PM EDT
Completed Phase 2 Interventional

A Clinical Study of NLY01 in Patient's With Early Parkinson's Disease

NCT04154072
View directory record Official record
Conditions
Parkinson Disease
Interventions
NLY01, Vehicle
Drug
Lead sponsor
Neuraly, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
60
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 12, 2026, 4:08 PM EDT