Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 15, 2026, 5:32 AM EDT

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Showing 265–288 of 2,092 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson's Disease
Interventions
Sinemet 25-100 Oral Tablet, XP21279, Carbidopa Pill
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Peoria, Arizona • Bingham Farms, Michigan
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
Conditions
Parkinson Disease
Interventions
Forced and voluntary exercise
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Parkinson Disease
Interventions
[123I] 5-IA
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
21 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Parkinson's Disease
Interventions
perampanel, placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
30 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
3
States / cities
New Haven, Connecticut • The Woodlands, Texas
Completed Not applicable Interventional Results available

Erythromycin in Parkinson's Disease

NCT02005029
Conditions
Parkinson's Disease, Levodopa
Interventions
Erythromycin, placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Parkinson Disease
Interventions
No treatment given
Other
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
50 Years to 68 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
3
States / cities
Irvine, California • New York, New York
Conditions
Parkinson's Disease, Exercise Therapy, Cognition
Interventions
PDAE, WAE
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 89 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Decatur, Georgia
Conditions
Idiopathic Parkinson's Disease, Parkinson's Disease, Basal Ganglia Disease, Brain Diseases, Central Nervous System Diseases, Movement Disorders, Nervous System Diseases, Neurodegenerative Diseases, Parkinsonian Disorders
Interventions
VY-AADC01
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
40 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
4
States / cities
San Francisco, California • Atlanta, Georgia • Columbus, Ohio + 1 more
Conditions
Parkinson Disease, Multiple System Atrophy, REM Sleep Behavior Disorder, Pure Autonomic Failure, Dementia With Lewy Bodies
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Parkinson Disease, Parkinson Disease, Idiopathic
Interventions
Community Walking Program
Behavioral
Lead sponsor
St. Louis University
Other
Eligibility
30 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

PET Imaging Evaluation of [11C]SY08

NCT06098612
Conditions
Parkinson's Disease, Multiple System Atrophy, Dementia With Lewy Bodies, Healthy Controls
Interventions
C11-SY08
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Parkinson Disease
Interventions
LY4006896, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
30 Years to 85 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
11
States / cities
Los Alamitos, California • Maitland, Florida • Naples, Florida + 7 more
Conditions
Parkinson Disease, Depression
Interventions
OnabotulinumtoxinA, Control
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 95 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Parkinson Disease, Gait Disorders, Neurologic, Visuospatial/Perceptual Abilities
Interventions
Left STN-DBS on, right STN-DBS off first, Right STN-DBS on, left STN-DBS off first
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Phase 1 Interventional Accepts healthy volunteers

Single Ascending Dose Study of PRX002 in Healthy Subjects

NCT02095171
Conditions
Parkinson's Disease
Interventions
PRX002, Placebo
Drug · Other
Lead sponsor
Prothena Biosciences Limited
Industry
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Parkinson's Disease (Disorder)
Interventions
IR CD-LD, IPX203 ER CD-LD, Placebo Matching IPX203, Placebo Matching IR CD-LD
Drug · Other
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
40 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
56
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 46 more
Completed Phase 2 Interventional Accepts healthy volunteers

ALTROPANE® SPECT Imaging in Patients With Parkinson Disease

NCT00397228
Conditions
Parkinson Disease
Interventions
ALTROPANE®
Drug
Lead sponsor
Molecular NeuroImaging
Other
Eligibility
30 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Parkinson Disease
Interventions
Ropinirole
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
30 Years and older
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
28
States / cities
Birmingham, Alabama • Northridge, California • San Francisco, California + 24 more
Conditions
Parkinson Disease
Interventions
Location of Visit
Other
Lead sponsor
University of Arkansas
Other
Eligibility
45 Years to 90 Years
Enrollment
30 participants
Timeline
2022 – 2023
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Parkinson's Disease
Interventions
Istradefylline
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational Accepts healthy volunteers

A Study of the Sense of Smell in Relatives of Parkinson's Disease Patients

NCT00096876
Conditions
Parkinson Disease, Parkinsonian Syndrome
Interventions
Not listed
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
21 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Parkinson Disease
Interventions
Balance Tele-Rehabilitation Agility Boot Camp (ABC)
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
55 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Neurologic Disorders
Interventions
Laboratory tests, Radiological exams
Procedure
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
4 Years to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland