Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 13, 2026, 8:59 PM EDT

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Showing 265–288 of 343 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson's Disease (PD)
Interventions
ABBV-951
Drug
Lead sponsor
AbbVie
Industry
Eligibility
30 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
15
States / cities
Birmingham, Alabama • Sun City, Arizona • Aurora, Colorado + 12 more
Conditions
Parkinson's Disease
Interventions
carbidopa
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
35 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson Disease
Interventions
Personal KinetiGraph® (PKG®) Watch, Personal KinetiGraph® (PKG®) Report
Device
Lead sponsor
Global Kinetics Corporation
Industry
Eligibility
46 Years to 83 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
17
States / cities
Fayetteville, Arkansas • Little Rock, Arkansas • Menlo Park, California + 14 more
Conditions
Chronic Pain
Interventions
Methylphenidate, carbidopa-levodopa, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, New York
Conditions
Parkinson's Disease
Interventions
Fipamezole ODT, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
4
States / cities
Torrance, California • Bingham Farms, Michigan • Willingboro, New Jersey + 1 more
Conditions
Parkinson's Disease
Interventions
Levodopa (L-dopa)
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Complex Eye Movements in Parkinson's Disease and Related Movement Disorders

NCT04925622
Conditions
Parkinson Disease, Parkinson's Disease and Parkinsonism, Progressive Supranuclear Palsy, Corticobasal Degeneration, Parkinsonian Disorders, Essential Tremor, Vascular Parkinsonism, Multiple System Atrophy, Parkinson Variant, Parkinsonian Syndrome, Huntington Disease
Interventions
Complex eye movement exam
Diagnostic Test
Lead sponsor
Saccadous, Inc.
Other
Eligibility
30 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Parkinson Disease
Interventions
AKST4290, Placebo
Drug
Lead sponsor
Alkahest, Inc.
Industry
Eligibility
50 Years to 80 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Atlanta, Georgia • West Bloomfield, Michigan • Tulsa, Oklahoma
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Stroke
Interventions
Placebo, Levodopa / Carbidopa, Armeo
Drug · Device
Lead sponsor
Ross D. Zafonte, MD
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charlestown, Massachusetts
Conditions
Parkinson Disease
Interventions
modafinil 50mg, Placebo oral capsule
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
50 Years to 90 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Cocaine Abuse, Cocaine Dependence, Opiate Dependence, Alcohol Dependence, Substance Abuse
Interventions
modafinil, d-amphetamine, L-Dopa, Naltrexone
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years
Enrollment
7,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 80 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson
Interventions
Surface EMG, MRI and PET Scan, Surface EMG
Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson's Disease
Interventions
Istradefylline (KW-6002)
Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
30 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Princeton, New Jersey
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
Parkinson Disease
Interventions
Pramipexole, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
45 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Renal Salt Handling in Postural Tachycardia Syndrome Following Dietary Dopa Administration

NCT01064739
Conditions
Healthy Participants
Interventions
Fava beans, Fixed Sodium Diet
Dietary Supplement · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Parkinson Disease
Interventions
GOCOVRI
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson Disease
Interventions
CREXONT ER
Drug
Lead sponsor
Impax Laboratories, LLC
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
27
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Aliso Viejo, California + 22 more
Conditions
Stress Disorder, Post Traumatic
Interventions
Placebo, Levodopa
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Parkinson Disease, Off Episodes
Interventions
APL-130277, Placebo
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
32
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 27 more
Conditions
Parkinson Disease
Interventions
Ropinirole oral product, Ropinirole Implant
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
30 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
3
States / cities
Orlando, Florida • Farmington Hills, Michigan • Kirkland, Washington
Conditions
Idiopathic Parkinson's Disease
Interventions
CVT-301, Observational cohort
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 85 Years
Enrollment
408 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
14
States / cities
Scottsdale, Arizona • Fountain Valley, California • Panorama City, California + 10 more