- 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
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
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
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.
These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.
Live official records
Open in full search- 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.