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ClinicalTrials.gov public records Last synced Jul 24, 2026, 10:29 AM EDT

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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
Not yet recruiting Phase 1 Interventional

AAV2-hAADC for Parkinson's Disease (PDCS-01)

NCT07267065
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Rasagiline as Add on to Dopamine Agonists in the Treatment of Parkinson's Disease

NCT01049984
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study With P2B001 in Subjects With Early Parkinson's

NCT03329508
View directory record Official record
Conditions
Parkinson Disease, Early Parkinson's Disease
Interventions
P2B001 0.6/0.75 mg, Rasagiline 0.75 mg, Pramipexole 0.6 mg, Marketed Pramipexole ER
Drug
Lead sponsor
Pharma Two B Ltd.
Industry
Eligibility
35 Years to 80 Years
Enrollment
544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
45
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • Los Angeles, California + 39 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 3 Interventional

Study Evaluating Sumanirole for the Treatment of the Signs and Symptoms of Early Parkinson's Disease

NCT00058838
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 2 Interventional

Phase 2a Study of VTX3232 in Parkinson's Disease

NCT06556173
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 Jul 24, 2026, 10:29 AM EDT
Active, not recruiting No phase listed Observational

Early Longitudinal Imaging in Parkinson's Progression Markers Initiative Using [¹⁸F] AV-133 and DaTscan™

NCT04507139
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 2 Interventional

National Institute of Neurological Disorders and Stroke (NINDS) Parkinson's Disease Neuroprotection Trial

NCT00063193
View directory record Official record
Conditions
Parkinson's Disease
Interventions
minocycline, creatine
Drug
Lead sponsor
University of Rochester
Other
Eligibility
30 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2016 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

An Open-Label Extension Trial to Assess the Safety of Long-Term Treatment of Rotigotine in Early-Stage Parkinson's Disease.

NCT00594165
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 Jul 24, 2026, 10:29 AM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Mild Cognitive Impairment Community Screening and Early Intervention Via Stem Cell Therapy and Wearable Brain Computer Interface Device.

NCT07214974
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

Flexible-Dose Trial in Early Parkinson's Disease (PD)

NCT04223193
View directory record Official record
Conditions
Parkinson Disease
Interventions
Tavapadon, Placebo
Drug
Lead sponsor
AbbVie
Industry
Eligibility
40 Years to 80 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
18
States / cities
Fresno, California • Boca Raton, Florida • Maitland, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single-Ascending Dose Study of BIIB054 in Healthy Participants and Early Parkinson's Disease

NCT02459886
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 3 Interventional

An Open Label SLV308 Safety Extension to Study S308.3.001 in Early PD Patients

NCT00332917
View directory record Official record
Conditions
Early Stage Parkinson's Disease
Interventions
Pardoprunox
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
30 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
25
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Fountain Valley, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2009 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 2 Interventional

A Clinical Study of NLY01 in Patient's With Early Parkinson's Disease

NCT04154072
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 1 Interventional

A Study of the Safety and Tolerability of a Single Dose Administration of CVT-301 (Levodopa Inhalation Powder)

NCT02807675
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 29, 2017 · Synced Jul 24, 2026, 10:29 AM EDT
Terminated No phase listed Observational

Characterizing Biomarkers of Early Parkinson's Disease Progression (TREG)

NCT03716258
View directory record Official record
Conditions
Parkinson Disease, Movement Disorders
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
40 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Jul 24, 2026, 10:29 AM EDT
Terminated No phase listed Observational

The Long Term Impact of Initiating Pramipexole Versus Levodopa in Early Parkinson's Disease (CALM-PD Cohort Study)

NCT00804479
View directory record Official record
Conditions
Parkinson's Disease
Interventions
No intervention.
Other
Lead sponsor
University of Rochester
Other
Eligibility
Not listed
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 20, 2016 · Synced Jul 24, 2026, 10:29 AM EDT
Recruiting Phase 2 Interventional

Early Longitudinal Imaging in the Parkinson's Progressive Marker Initiative (PPMI) Using (18F)AV-133 (PPMI AV-133 Prodromal Imaging)

NCT07265596
View directory record Official record
Conditions
Prodromal Parkinsons Disease
Interventions
[18F] AV-133 PET Imaging
Drug
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 1 Interventional

Pharmacokinetic Profile of Neupro Patch Administrated at 2 mg, 4 mg, 6 mg and 8 mg/Day Weekly in Patients With Early-stage Parkinson's Disease

NCT02728947
View directory record Official record
Conditions
Parkinson's Disease
Interventions
ROTIGOTINE
Drug
Lead sponsor
Luye Pharma Group Ltd.
Industry
Eligibility
18 Years to 99 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
3
States / cities
Long Beach, California • Hallandale, Florida • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 4, 2016 · Synced Jul 24, 2026, 10:29 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Early Parkinson's Disease (PD) Cross-Sectional

NCT00817453
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
35 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Jul 24, 2026, 10:29 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Novel Shoe Device NUSHU to Measure Gait Analysis in Parkinson's Patients

NCT06975059
View directory record Official record
Conditions
Parkinson's Disease (PD)
Interventions
NUSHU shoe
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

Long-term Safety Study of Open-label Pramipexole Extended Release (ER) in Patients With Early Parkinson´s Disease (PD).

NCT00601523
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 Jul 24, 2026, 10:29 AM EDT
Completed Phase 2 Interventional

Study of the Effects of Dopaminergic Medications on Dopamine Transporter Imaging in Parkinson's Disease

NCT00096720
View directory record Official record
Conditions
Parkinson Disease, Parkinsonian Syndrome
Interventions
levodopa, Mirapex (pramipexole), [123I]ß-CIT and SPECT imaging
Drug · Procedure
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
30 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
13
States / cities
Oxnard, California • Englewood, Colorado • New Haven, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2010 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

Randomized Evaluation of the 24-Hour Coverage: Efficacy of Rotigotine

NCT00474058
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Rotigotine, Placebo
Drug · Other
Lead sponsor
UCB Pharma
Industry
Eligibility
18 Years and older
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
Reseda, California • Ventura, California • St. Petersburg, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2015 · Synced Jul 24, 2026, 10:29 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety, Tolerability and Efficacy of Two Doses of Once Daily P2B001 in Subjects With Early Parkinson's Disease

NCT01968460
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 Jul 24, 2026, 10:29 AM EDT