- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- CVT-301, Placebo
- Drug
- Lead sponsor
- Acorda Therapeutics
- Industry
- Eligibility
- 30 Years to 80 Years
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 13
- States / cities
- Little Rock, Arkansas • Boca Raton, Florida • Port Charlotte, Florida + 10 more
Condition Directory
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
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.
Showing 169–180 of 256 matching trials for Parkinson's Disease.
Live ClinicalTrials.gov results.
Live official records
Open in full search- Conditions
- Parkinson's Disease
- Interventions
- Docosahexaenoic Acid (DHA), Placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 21 Years to 99 Years
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Parkinson Disease
- Interventions
- ropinirole/L-dopa, placebo/L-dopa
- Drug
- Lead sponsor
- GlaxoSmithKline
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 352 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 9
- States / cities
- Fountain Valley, California • Pasadena, California • Reseda, California + 6 more
- Conditions
- Parkinson's Disease
- Interventions
- Carbidopa-Levodopa
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 30 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Dyskinesia, Levodopa Induced Dyskinesia (LID), Parkinson's Disease
- Interventions
- ADS-5102, Placebo
- Drug · Other
- Lead sponsor
- Adamas Pharmaceuticals, Inc.
- Industry
- Eligibility
- 30 Years to 85 Years
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 43
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 37 more
- Conditions
- Parkinson's Disease
- Interventions
- Amantadine 300 mg, Topiramate, Sugar Pill
- Drug
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Dyskinesia, Levodopa-Induced Dyskinesia (LID), Parkinson's Disease (PD)
- Interventions
- ADS-5102, Placebo
- Drug · Other
- Lead sponsor
- Adamas Pharmaceuticals, Inc.
- Industry
- Eligibility
- 30 Years to 85 Years
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 21
- States / cities
- Fountain Valley, California • Sunnyvale, California • Boca Raton, Florida + 18 more
- Conditions
- Parkinson's Disease, Erectile Dysfunction
- Interventions
- Selegiline, Tadalafil
- Drug
- Lead sponsor
- University of South Florida
- Other
- Eligibility
- 40 Years to 64 Years · Male only
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Dyskinesia, Levodopa Induced Dyskinesia, Parkinson's Disease
- Interventions
- ADS-5102 (extended release amantadine HCl)
- Drug
- Lead sponsor
- Adamas Pharmaceuticals, Inc.
- Industry
- Eligibility
- 30 Years to 85 Years
- Enrollment
- 83 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 33
- States / cities
- Sun City, Arizona • Fountain Valley, California • Long Beach, California + 30 more
- 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's Disease
- Interventions
- Placebo, Tozadenant
- Drug
- Lead sponsor
- Biotie Therapies Inc.
- Industry
- Eligibility
- 40 Years to 75 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Parkinson Disease
- Interventions
- Not listed
- Lead sponsor
- National Institute of Mental Health (NIMH)
- NIH
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 75 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
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.