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ClinicalTrials.gov public records Last synced May 22, 2026, 5:51 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Early Parkinson's Disease Clear all
Completed No phase listed Observational
View directory record Official record
Conditions
Parkinson Disease 6, Early-Onset, Parkinson Disease (Autosomal Recessive, Early Onset) 7, Human, Parkinson Disease Autosomal Recessive, Early Onset, Parkinson Disease, Autosomal Recessive Early-Onset, Digenic, Pink1/Dj1
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced May 22, 2026, 5:51 AM EDT
Not yet recruiting Phase 1 Interventional
View directory record Official record
Conditions
Parkinson's Disease (PD), Early Onset Parkinson Disease
Interventions
AAV2-hAADC
Drug
Lead sponsor
Krzysztof Bankiewicz
Other
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Idiopathic Parkinson Disease
Interventions
VTX3232
Drug
Lead sponsor
Zomagen Biosciences Ltd.
Industry
Eligibility
40 Years to 80 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson Disease
Interventions
Isradipine, Placebo (for Isradipine)
Drug
Lead sponsor
University of Rochester
Other
Eligibility
30 Years and older
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
47
States / cities
Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease, Idiopathic
Interventions
buntanetap/posiphen, Placebo
Drug
Lead sponsor
Annovis Bio Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
523 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
43
States / cities
Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 35 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2025 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Parkinson Disease
Interventions
NLY01, Vehicle
Drug
Lead sponsor
Neuraly, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
60
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 22, 2026, 5:51 AM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI), Early Stages of Cognitive Decline, Alzheimer's Disease Dementia, Alzheimer's Disease Diagnosis, Alzheimer's Disease and Related Dementias, Parkinson's Disease, Parkinson's Disease (PD), Parkinson's Disease With Wearing-off Motor Fluctuations, Dementia (Diagnosis), Dementia MCI (Mild Cognitive Impairment)
Interventions
Structured wellness care, Wearable brain-computer interface devices, Stem Cell Therapy - Experimental, Control - Placebo Comparator
Behavioral · Device · Biological + 1 more
Lead sponsor
Noah Tech, Corp.
Industry
Eligibility
55 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Palisades Park, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson's Disease, Healthy
Interventions
BIIB054, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
40 Years to 80 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
9
States / cities
Washington D.C., District of Columbia • Hallandale, Florida • Oviedo, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson Disease
Interventions
Placebo, Pramipexole
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
30 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
10
States / cities
Sun City, Arizona • Tempe, Arizona • La Jolla, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2014 · Synced May 22, 2026, 5:51 AM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
30 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease
Interventions
P2B001 once daily (pramipexole 0.6 mg / rasagiline 0.75 mg),, Placebo, P2B001 once daily (pramipexole 0.3 mg / rasagiline 0.75 mg),
Drug
Lead sponsor
Pharma Two B Ltd.
Industry
Eligibility
35 Years to 75 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
24
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Parkinson Disease
Interventions
sumanirole, ropinirole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
93
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Carmichael, California + 81 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2006 · Synced May 22, 2026, 5:51 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Pre-motor Parkinson Disease, Symptomatic Parkinson Disease
Interventions
Carvedilol
Drug
Lead sponsor
Michele Tagliati, MD
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Coenzyme Q10
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
30 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Early-Stage Parkinson's Disease
Interventions
Rotigotine
Drug
Lead sponsor
UCB Pharma
Industry
Eligibility
31 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
37
States / cities
Peoria, Arizona • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2014 · Synced May 22, 2026, 5:51 AM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Parkinson's Disease
Interventions
nicotine transdermal patch
Drug
Lead sponsor
James BOYD MD
Other
Eligibility
30 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
9
States / cities
Los Angeles, California • Sunnyvale, California • Honolulu, Hawaii + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced May 22, 2026, 5:51 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson Disease
Interventions
BIIB122, BIIB122-Matching Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
30 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
12
States / cities
San Francisco, California • Aurora, Colorado • Englewood, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Inosine, Placebo
Drug
Lead sponsor
Michael Alan Schwarzschild
Other
Eligibility
30 Years and older
Enrollment
298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
61
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 51 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Parkinson Disease
Interventions
Biological/Vaccine: Allogeneic HB-adMSCs, Placebo
Biological · Other
Lead sponsor
Hope Biosciences Research Foundation
Industry
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Sugar Land, Texas
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced May 22, 2026, 5:51 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Pre-motor Parkinson's Disease, Symptomatic Parkinson Disease
Interventions
Terazosin
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced May 22, 2026, 5:51 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Parkinson Disease
Interventions
BIIB122, BIIB122-Matching Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
30 Years to 80 Years
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
33
States / cities
Phoenix, Arizona • Sun City, Arizona • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Rasagiline, Placebo
Drug
Lead sponsor
Teva Neuroscience, Inc.
Industry
Eligibility
30 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
58
States / cities
Phoenix, Arizona • Sun City, Arizona • Fountain Valley, California + 51 more
Source: ClinicalTrials.gov public record
Updated May 19, 2016 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Parkinson Disease
Interventions
sumanirole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years and older
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
69
States / cities
Birmingham, Alabama • Huntsville, Alabama • Little Rock, Arkansas + 60 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2006 · Synced May 22, 2026, 5:51 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Parkinson Disease
Interventions
Pramipexole, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
31 Years and older
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
39
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Fountain Valley, California + 32 more
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced May 22, 2026, 5:51 AM EDT