Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 13, 2026, 10:08 PM EDT

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Showing 313–336 of 343 matching trials from the live ClinicalTrials.gov search.
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
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
Conditions
Idiopathic Parkinson Disease
Interventions
XADAGO (safinamide)
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
30
States / cities
Homewood, Alabama • Bakersfield, California • Laguna Hills, California + 27 more
Conditions
Malignant Brain Neoplasm
Interventions
Computed Tomography, Fluorodopa F 18, Positron Emission Tomography
Procedure · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Age-related Macular Degeneration
Interventions
carbidopa-levodopa 25-100 mg, placebo for carbidopa-levodopa 25-100 mg
Drug
Lead sponsor
Snyder, Robert W., M.D., Ph.D., P.C.
Individual
Eligibility
50 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Parkinson Disease
Interventions
Stanford Glove
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 92 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Stanford, California
Conditions
Restless Legs Syndrome
Interventions
buprenorphine transdermal delivery system (BTDS), Placebo for BTDS patch
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
25 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Stroke
Interventions
Telerehabilitation, Sinemet Pill, Placebo
Device · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Idiopathic Parkinson's Disease
Interventions
CVT-301
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 86 Years
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
55
States / cities
Scottsdale, Arizona • Fresno, California • Fullerton, California + 47 more
Conditions
Parkinson's Disease
Interventions
Accordion Pill™ Carbidopa/Levodopa, Sinemet®, Placebo -AP-CD/LD, Placebo- Sinemet
Drug
Lead sponsor
Intec Pharma Ltd.
Industry
Eligibility
30 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
36
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 32 more
Completed No phase listed Observational Accepts healthy volunteers

Parkinsonism in Spinocerebellar Ataxia Type 6

NCT01934998
Conditions
Spinocerebellar Ataxia Type 6
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2 Interventional Accepts healthy volunteers

Dopaminergic Dysfunction in Late-Life Depression

NCT04469959
Conditions
Late Life Depression, Cognitive Decline, Depressive Disorder, Treatment-Resistant, Levodopa, Gait Impairment
Interventions
L-Dopa, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Nashville, Tennessee
Conditions
Parkinson's Disease
Interventions
Deep Brain Stimulation management
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Idiopathic Parkinson's Disease
Interventions
Safinimide 50-100 mg/day, Matching Placebo
Drug
Lead sponsor
Newron Pharmaceuticals SPA
Industry
Eligibility
30 Years to 80 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
28
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 24 more
Conditions
Parkinson's Disease
Interventions
2 mg perampanel, 4 mg perampanel, placebo comparator
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
30 Years and older
Enrollment
752 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
99
States / cities
Birmingham, Alabama • Huntsville, Alabama • Peoria, Arizona + 82 more
Conditions
Idiopathic Parkinson´s Disease, Parkinson's Disease
Interventions
RNDP-001, Syringe Front-Loading Device
Biological · Device
Lead sponsor
Kenai Therapeutics
Industry
Eligibility
45 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
3
States / cities
Tucson, Arizona • Los Angeles, California • Columbus, Ohio
Completed Phase 4 Interventional Results available

Effect of L-dopa In Subacute Back Pain Population

NCT01951105
Conditions
Sub-acute Back Pain
Interventions
Naproxen, Carbidopa/Levodopa, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Parkinson's Disease (PD)
Interventions
ABBV-951, Placebo for Levodopa/Carbidopa (LD/CD), Levodopa/Carbidopa (LD/CD), Placebo for ABBV-951
Drug
Lead sponsor
AbbVie
Industry
Eligibility
30 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
70
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 62 more
Recruiting No phase listed Observational

Udall Project 2 Aim 2A&C

NCT05656586
Conditions
Parkinson Disease
Interventions
observational-- no intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Parkinson's Disease
Interventions
ND0612
Drug
Lead sponsor
NeuroDerm Ltd.
Industry
Eligibility
30 Years and older
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
26
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Fountain Valley, California + 23 more
Conditions
Parkinson Disease
Interventions
Phoressor II (IOMED)
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
40 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson's Disease (PD)
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, New York
Conditions
Parkinson's Disease
Interventions
Deep Brain Stimulation, DBS surgery
Device · Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Lewy Body Dementia
Interventions
LY3154207, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
40 Years to 85 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
71
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 61 more