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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 15, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 15, 2026, 4:18 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 229–240 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

Open in full search
Conditions
Parkinson Disease
Interventions
Phoressor II (IOMED)
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
40 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson's Disease
Interventions
Levodopa, Zolpidem first dose, Zolpidem second dose, sugar pill
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
30 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Parkinson's Disease
Interventions
ADX48621, Placebo
Drug
Lead sponsor
Addex Pharma S.A.
Industry
Eligibility
30 Years to 75 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 10 more
Conditions
Parkinson's Disease, Dyskinesia
Interventions
Not listed
Lead sponsor
Great Lakes NeuroTechnologies Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Rochester, New York
Conditions
Parkinson's Disease
Interventions
Fipamezole ODT, Fipamezole ODT Cohort 2
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
4
States / cities
Torrance, California • Tampa, Florida • Metairie, Louisiana + 1 more
Conditions
Parkinson's Disease
Interventions
Carbidopa/levodopa/entacapone, Immediate release carbidopa/levodopa
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
30 Years to 70 Years
Enrollment
747 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
31
States / cities
Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 25 more
Conditions
Parkinson's Disease
Interventions
nicotine, placebo comparator
Drug · Other
Lead sponsor
Neuraltus Pharmaceuticals, Inc.
Industry
Eligibility
30 Years to 83 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angelis, California • Oxnard, California + 9 more
Conditions
Parkinson's Disease
Interventions
Fipamezole ODT, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
4
States / cities
Torrance, California • Bingham Farms, Michigan • Willingboro, New Jersey + 1 more
Conditions
Parkinson's Disease
Interventions
Carbidopa/levodopa/entacapone, Immediate release carbidopa/levodopa
Drug
Lead sponsor
Novartis
Industry
Eligibility
30 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
21
States / cities
Phoenix, Arizona • Aliso Viejo, California • Irvine, California + 17 more
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
Conditions
Parkinson's Disease
Interventions
rasagiline mesylate, rasagiline mesylate 1.0 mg
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
30 Years and older
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
7
States / cities
Fresno, California • Atlanta, Georgia • Chicago, Illinois + 4 more
Conditions
Parkinson's Disease
Interventions
rasagiline mesylate, 1.0 mg rasagiline mesylate, Placebo
Drug · Other
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
30 Years and older
Enrollment
472 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
4
States / cities
Chicago, Illinois • New York, New York • Rochester, New York + 1 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.