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Parkinson's Disease clinical trials

Directory of U.S. ClinicalTrials.gov public records for Parkinson's Disease. Browse Parkinson's Disease recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.

By Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced October 14, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 14, 2026, 4:15 PM EDT

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

Official matching trials
256
Shown on this page
12
Current sort
Recently updated
Condition scope
Parkinson's Disease
Additional filters apply within this condition.

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

How Parkinson's Disease studies are organized in the registry

Records generally use the registry spelling “Parkinson disease.” The portfolio mixes drug studies with a high share of device, exercise, and rehabilitation research, so the study-type filter is unusually useful here. Disease-stage language (“early,” “advanced,” “levodopa-treated”) commonly appears in titles.

Terms that often appear in related listings

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

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These controls apply only within Parkinson's Disease. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 157–168 of 256 matching trials for Parkinson's Disease.
Live ClinicalTrials.gov results.
Local aggregate panels are unavailable or hidden for filtered views. The result list above identifies its data source.

Live official records

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Conditions
Parkinson Disease
Interventions
PF-06412562, Standard of Care Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
Not listed
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Hershey, Pennsylvania
Conditions
Idiopathic Parkinson's Disease
Interventions
CVT-301 Low Dose, CVT-301 High Dose, Placebo
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
30 Years to 85 Years
Enrollment
351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
55
States / cities
Scottsdale, Arizona • Fresno, California • Fullerton, California + 47 more
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
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
Idiopathic Parkinson's Disease
Interventions
tozadenant, placebo
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
449 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
40
States / cities
Birmingham, Alabama • Sun City, Arizona • Loma Linda, California + 37 more
Conditions
Parkinson Disease
Interventions
Opicapone, Carbidopa Levodopa
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 85 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Glendale, California • Long Beach, California • Farmington Hills, Michigan
Conditions
Parkinson Disease, Movement Disorders
Interventions
Libra Deep Brain Stimulation System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 80 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
15
States / cities
Loma Linda, California • Gainesville, Florida • Miami, Florida + 11 more
Conditions
Parkinson's Disease
Interventions
Tozadenant (SYN115) 60 mg BID, Placebo, Levodopa (L-dopa), Tozadenant (SYN115) 120 mg BID, Tozadenant (SYN115) 180 mg BID, Tozadenant (SYN115) 240 mg BID
Drug
Lead sponsor
Biotie Therapies Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
40
States / cities
Birmingham, Alabama • La Jolla, California • Loma Linda, California + 37 more
Conditions
Parkinson's Disease
Interventions
methylphenidate
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson's Disease
Interventions
Apomorphine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson's Disease
Interventions
perampanel, placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
30 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
3
States / cities
New Haven, Connecticut • The Woodlands, Texas
Conditions
Parkinson's Disease
Interventions
Accordion Pill™ Carbidopa/Levodopa
Drug
Lead sponsor
Intec Pharma Ltd.
Industry
Eligibility
30 Years to 100 Years
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
37
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 33 more

About this Parkinson's Disease clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Parkinson's Disease as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
How to narrow results
Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Parkinson's Disease.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Parkinson's Disease.