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ClinicalTrials.gov public records Last synced Oct 25, 2026, 9:49 AM EDT

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Showing 529–552 of 1,450 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson Disease
Interventions
NE3107, placebo
Drug
Lead sponsor
BioVie Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
16
States / cities
Englewood, Colorado • Boca Raton, Florida • Hallandale, Florida + 10 more
Conditions
Idiopathic Parkinson's Disease (PD)
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
30 Years to 79 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Houston, Texas
Conditions
Parkinson's Disease (PD)
Interventions
Novel neural recorder
Device
Lead sponsor
University of Minnesota
Other
Eligibility
22 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Parkinson's Disease
Interventions
Bilateral Deep Brain Stimulation, best medical therapy
Device · Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
22 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • West Los Angeles, California + 6 more
Recruiting Phase 4 Interventional Accepts healthy volunteers

Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis

NCT04373317
Conditions
Parkinson's Disease Psychosis
Interventions
Pimavanserin, Quetiapine
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
358 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
24
States / cities
Tucson, Arizona • Loma Linda, California • Palo Alto, California + 20 more
Conditions
Parkinson
Interventions
Home Exercise Program
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
50 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Parkinson Disease
Interventions
tDCS
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson Disease
Interventions
Spheramine (BAY86-5280), Placebo
Biological · Procedure
Lead sponsor
Bayer
Industry
Eligibility
30 Years to 70 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Tampa, Florida + 7 more
Conditions
Parkinson Disease
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
35 Years to 89 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Impulse Control Disorder, Parkinson Disease
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
81 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2002
U.S. locations
1
States / cities
Honolulu, Hawaii
Conditions
Parkinson Disease
Interventions
Standard of care + Mediterranean diet (intervention), Standard of care (control)
Other
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 85 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Parkinson Disease, Healthy Adult
Interventions
Cerebellar transcranial direct current stimulation at 4 mA, Sham cerebellar transcranial direct current stimulation
Device
Lead sponsor
University of Iowa
Other
Eligibility
50 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Iowa City, Iowa
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
Conditions
Parkinson's Disease
Interventions
piclozotan, 0.9% sodium chloride (normal saline)
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
40 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
5
States / cities
Fountain Valley, California • Tampa, Florida • Atlanta, Georgia + 2 more
Conditions
Parkinson Disease
Interventions
Pridopidine, Placebo
Drug
Lead sponsor
Prilenia
Industry
Eligibility
30 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
33
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 27 more
Conditions
Idiopathic Parkinson's Disease, Parkinson Disease, Depression
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 95 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Parkinson's Disease (PD), Deep Brain Stimulation
Interventions
buntanetap/posiphen
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
27
States / cities
Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 24 more
Completed Early Phase 1 Interventional Accepts healthy volunteers

Development of Cognitive Assessment Tools in Parkinson Disease

NCT00556764
Conditions
Parkinson Disease
Interventions
[123I] IBVM and SPECT imaging, Subjects will undergo the 123-I IBVM imaging visit
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
30 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Phase 1 Interventional Accepts healthy volunteers

Single Ascending Dose Study of MEDI1341 in Healthy Volunteers

NCT03272165
Conditions
Parkinson's Disease
Interventions
MEDI1341, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
2
States / cities
Dallas, Texas • Madison, Wisconsin
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, Helicobacter Infections, Motor Fluctuations
Interventions
clartihromycin, amoxicillin, and omeprazole, placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Male only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Parkinson Disease, Orthostatic Hypotension
Interventions
Autonomic testing on and off levodopa
Drug
Lead sponsor
University of Utah
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Parkinson's Disease
Interventions
PF-06649751
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
16
States / cities
Fountain Valley, California • Long Beach, California • Englewood, Colorado + 10 more