Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 8, 2026, 12:51 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 73–96 of 1,408 matching trials from the live ClinicalTrials.gov search.
Conditions
Huntington's Disease, Parkinson's Disease, Dementia With Lewy Bodies, Sleep Disorders, Circadian Dysregulation
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Enrolling by invitation Not applicable Interventional

TMS in Anxiety-Parkinson's Disease

NCT06999330
Conditions
Parkinsons Disease (PD), Anxiety
Interventions
Theta burst stimulation active coil, Sham coil
Device
Lead sponsor
HealthPartners Institute
Other
Eligibility
40 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Saint Paul, Minnesota
Conditions
Parkinsons Disease
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
40 Years to 79 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Cholinergic Nicotinic Receptors and Cognition in PD

NCT02076295
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Parkinsons Disease
Interventions
Prasinezumab, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
50 Years to 85 Years
Enrollment
586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fullerton, California + 27 more
Conditions
Parkinson's Disease
Interventions
CVT-301, LIP, Placebo
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 85 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
11
States / cities
Fountain Valley, California • Boca Raton, Florida • Hallandale, Florida + 8 more
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
Conditions
Parkinson Disease
Interventions
N-0923
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Idiopathic Parkinson Disease
Interventions
Tozadenant
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
31
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Long Beach, California + 25 more
Conditions
Parkinsons Disease (PD)
Interventions
transcranial direct current stimulation (tDCS), Sham (No Treatment)
Device
Lead sponsor
Sanford Health
Other
Eligibility
Not listed
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Fargo, North Dakota
Conditions
Parkinson Disease, Cognitive Dysfunction
Interventions
SAGE-718-matching placebo, SAGE-718
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
50 Years to 75 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
38
States / cities
Sun City, Arizona • Little Rock, Arkansas • Fresno, California + 33 more
Conditions
Parkinson's Disease
Interventions
transcutaneous auricular nerve stimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
40 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Parkinson Disease
Interventions
Vibrotactile coordinated reset
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Stanford, California
Conditions
Parkinson Disease
Interventions
Rifaximin, Placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
30 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Parkinson's Disease
Interventions
droxidopa, Placebo
Drug
Lead sponsor
Colorado Springs Neurological Associates
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Colorado Springs, Colorado
Completed Phase 2 Interventional Results available

Effects of Vitamin D in Parkinson's Disease (PD)

NCT01119131
Conditions
Parkinson Disease, Accidental Falls
Interventions
Vitamin D3, calcium, Placebo
Drug · Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 99 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson's Disease, Dysarthria
Interventions
SpeechEasy Model ITC
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
25 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Parkinson Disease
Interventions
Frequency change to 60 Hz, Frequency change to 130 Hz
Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Enrolling by invitation Not applicable Interventional

A High-density Microelectrode for Human Neuronal Recordings

NCT05919160
Conditions
Parkinson Disease, Idiopathic
Interventions
DBC (Diagnostic Biochips) Deep Array microelectrode; Intan Electrophysiology recording system; Matlab response recording to behavioral task
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Parkinson's Disease
Interventions
Ballroom Dancing Classes
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Parkinson's Disease
Interventions
RO7046015, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
40 Years to 80 Years
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2031
U.S. locations
26
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fullerton, California + 23 more
Conditions
Parkinson's Disease, Deep Brain Stimulation Surgery
Interventions
Dexmedetomidine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 85 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Parkinson's Disease
Interventions
DBS stimulator setting alteration, virtual reality simulator
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Parkinson Disease, Mitochondrial
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
65 Years to 85 Years
Enrollment
30 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington