Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 29, 2026, 8:37 AM EDT

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Showing 1–24 of 495 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
Not listed
Enrollment
1,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2011
U.S. locations
52
States / cities
Phoenix, Arizona • Fountain Valley, California • Irvine, California + 43 more
Conditions
Parkinson's Disease
Interventions
IPX066, IR CD-LD
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
30 Years and older
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
35
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 30 more
Conditions
Parkinson's Disease
Interventions
Lab Assay for seven genetic variants for Parkinson's Disease
Device
Lead sponsor
Parkinson's Foundation
Other
Eligibility
18 Years and older
Enrollment
35,382 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
63
States / cities
Birmingham, Alabama • Chandler, Arizona • Phoenix, Arizona + 50 more
Conditions
Parkinson Disease
Interventions
AAV2-GDNF gene therapy, control surgery
Drug · Procedure
Lead sponsor
AskBio Inc
Industry
Eligibility
45 Years to 75 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
34
States / cities
Phoenix, Arizona • Irvine, California • Loma Linda, California + 26 more
Conditions
Parkinson Disease
Interventions
IV Levodopa, Talampanel
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson Disease (PD)
Interventions
Robotic Apparel
Device
Lead sponsor
Harvard Medical School (HMS and HSDM)
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Allston, Massachusetts • Boston, Massachusetts
Conditions
Parkinson Disease
Interventions
Implantable pulse generator (deep brain stimulator)
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
20 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Lung Neoplasms, Non-Small-Cell Lung Carcinoma
Interventions
Pembrolizumab/Vibostolimab, Pembrolizumab
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
7
States / cities
Boca Raton, Florida • Peoria, Illinois • Springfield, Missouri + 4 more
Not listed No phase listed Observational Accepts healthy volunteers

A Study to Analyze Symptoms Prevalent in Early PD (Dysphonia, Tremor)

NCT04288804
Conditions
Parkinson Disease
Interventions
Smartphone microphone sensor, Smartphone accelerometer sensor
Device
Lead sponsor
Goalspal LLC
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Pleasanton, California
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Tumor Imaging, Tumor Tissue Collection, Blood Sample Collection
Diagnostic Test · Procedure
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,065 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2032
U.S. locations
18
States / cities
Gilbert, Arizona • Duarte, California • San Francisco, California + 14 more
Conditions
PD - Parkinson's Disease
Interventions
Medtronic Percept Deep Brain Stimulation (adaptive DBS), Medtronic Percept Deep Brain Stimulation (cDBS)
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
25 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
San Francisco, California
Conditions
Parkinson's Disease, Deep Brain Stimulation
Interventions
Exercise
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
GBA1 Parkinson Disease
Interventions
gene therapy
Drug
Lead sponsor
Capsida Biotherapeutics, Inc.
Industry
Eligibility
21 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • New York, New York • Philadelphia, Pennsylvania + 2 more
Conditions
Parkinson Disease
Interventions
Progressive Resistance Training (PRT), Delayed Exercise Training (DE), Endurance Training (ET)
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
45 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Parkinson's Disease
Interventions
Aerobic Exercise, Virtual Reality
Other · Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
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
Conditions
Parkinson Disease (PD)
Interventions
Guided Cycling, Non-Contact Boxing, Traditional Physical Therapy Program (Standard of Care)
Behavioral
Lead sponsor
University of Texas, El Paso
Other
Eligibility
50 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
El Paso, Texas
Recruiting No phase listed Observational Accepts healthy volunteers

GBPDC: Gut-Brain in PD Consortium Master Protocol

NCT07567794
Conditions
Parkinson Disease (PD), PARKINSON DISEASE (Disorder), Gut Microbiome, Gut Microbiota, Prodromal Parkinsons Disease
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
21 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
7
States / cities
Stanford, California • Chicago, Illinois • Boston, Massachusetts + 3 more
Conditions
Parkinson Disease
Interventions
High intensity endurance exercise, Stretching exercise, Virtual reality (VR)-based gaming
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Recruiting Not applicable Interventional

Percept Transitions in FOG and PD

NCT06848205
Conditions
Freezing of Gait, Parkinson Disease
Interventions
OFF Parkinson's Medication(s), OFF Deep Brain Stimulation
Other
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Advanced Parkinson's Disease
Interventions
Optimized Medical Treatment, Levodopa-Carbidopa Intestinal Gel, Nasojejunal (NJ) tube, Percutaneous endoscopic gastrostomy with a jejunal (PEG-J) tube
Drug · Device
Lead sponsor
AbbVie
Industry
Eligibility
30 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
8
States / cities
Fountain Valley, California • Boca Raton, Florida • Jacksonville, Florida + 5 more
Conditions
Metastatic Non Small Cell Lung Cancer
Interventions
Pembrolizumab/Vibostolimab coformulation, Docetaxel, Placebo
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
10
States / cities
Los Angeles, California • Peoria, Illinois • Lexington, Kentucky + 7 more
Conditions
Parkinson Disease (PD)
Interventions
GET Up PD, Stretching and Flexibility
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Parkinson's Disease
Interventions
PTC-589
Drug
Lead sponsor
Edison Pharmaceuticals Inc
Industry
Eligibility
21 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
3
States / cities
Los Angeles, California • San Francisco, California • Boston, Massachusetts