- Conditions
- Healthy Volunteers
- Interventions
- levodopa/carbidopa oral formulation A, levodopa/carbidopa oral formulation B
- Drug
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Idiopathic Parkinson Disease
- Interventions
- XADAGO (safinamide)
- Drug
- Lead sponsor
- Supernus Pharmaceuticals, Inc.
- Industry
- Eligibility
- 30 Years to 80 Years
- Enrollment
- 164 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 30
- States / cities
- Homewood, Alabama • Bakersfield, California • Laguna Hills, California + 27 more
- Conditions
- Parkinson's Disease (PD)
- Interventions
- ABBV-951
- Drug
- Lead sponsor
- AbbVie
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 244 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 24
- States / cities
- Birmingham, Alabama • Sun City, Arizona • Fountain Valley, California + 21 more
- Conditions
- Parkinson Disease
- Interventions
- Opicapone
- Drug
- Lead sponsor
- Neurocrine Biosciences
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 239 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 6
- States / cities
- Los Gatos, California • Memphis, Tennessee • Christiansburg, Virginia + 3 more
- Conditions
- Parkinson's Disease, Parkinson Disease, Dyskinesias
- Interventions
- ropinirole controlled-release (REQUIP CR) for RLS
- Drug
- Lead sponsor
- GlaxoSmithKline
- Industry
- Eligibility
- 30 Years to 70 Years
- Enrollment
- 209 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 69
- States / cities
- Anniston, Alabama • Birmingham, Alabama • Phoenix, Arizona + 61 more
- Conditions
- Parkinson's Disease (PD)
- Interventions
- ABBV-951
- Drug
- Lead sponsor
- AbbVie
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 130 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 15
- States / cities
- Birmingham, Alabama • Sun City, Arizona • Aurora, Colorado + 12 more
- Conditions
- Parkinson's Disease
- Interventions
- PARCOPA
- Drug
- Lead sponsor
- UCB Pharma
- Industry
- Eligibility
- 18 Years and older
- Timeline
- 2004
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Diabetic Retinopathy
- Interventions
- Levodopa, Placebo
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 230 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Decatur, Georgia
- Conditions
- Parkinson Disease
- Interventions
- Levodopameter
- Device
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2028
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Diabetes
- Interventions
- Low Dose Sinemet CR, High Dose Sinemet CR, RETeval Electroretinogram (ERG) Testing, Contrast Sensitivity Testing, Visual Acuity Testing
- Drug · Device · Other
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Diabetic Retinopathy
- Interventions
- Sinemet CR, placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 30 Years to 80 Years
- Enrollment
- 244 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2028
- U.S. locations
- 1
- States / cities
- Decatur, Georgia
- Conditions
- Parkinson's Disease
- Interventions
- IPX066, IR CD-LD
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Hayward, California
- Conditions
- Parkinson's Disease
- Interventions
- Istradefylline (KW-6002)
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 230 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2006
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Parkinson's Disease With End of Dose Wearing Off
- Interventions
- Carbidopa/levodopa/entacapone
- Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 30 Years to 85 Years
- Enrollment
- 359 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 41
- States / cities
- Phoenix, Arizona • Fullerton, California • Irvine, California + 38 more
- Conditions
- Cocaine Abuse
- Interventions
- L-dopa / carbidopa / entacapone (LCE)
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 21 Years to 50 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- apomorphine infusion
- Drug
- Lead sponsor
- MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 99 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2025
- U.S. locations
- 18
- States / cities
- Phoenix, Arizona • Loma Linda, California • Los Angeles, California + 13 more
- Conditions
- Sub-acute Back Pain
- Interventions
- Naproxen, Carbidopa/Levodopa, Placebo
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 72 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Parkinson's Disease
- Interventions
- istradefylline
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2003
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Late Life Depression, Cognitive Decline, Depressive Disorder, Treatment-Resistant, Levodopa, Gait Impairment
- Interventions
- L-Dopa, Placebo
- Drug
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 79 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 2
- States / cities
- Pittsburgh, Pennsylvania • Nashville, Tennessee
- Conditions
- Parkinson's Disease
- Interventions
- Istradefylline (KW-6002)
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 325 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2003
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Parkinson's Disease
- Interventions
- Placebo, IPX066 95 mg LD, IPX066 145 mg LD, IPX066 195 mg LD, IPX066 245 mg LD
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 381 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 27
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Garden Grove, California + 22 more
- Conditions
- Parkinson's Disease
- Interventions
- ABBV-951
- Drug
- Lead sponsor
- AbbVie
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 10
- States / cities
- Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 7 more
- Conditions
- Cocaine Dependence
- Interventions
- levodopa/carbidopa, Ropinirole 2 mg/d, Placebo, Ropinirole 4 mg/d
- Drug
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 119 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Amblyopia
- Interventions
- Levodopa/Carbidopa, Placebo, Patching
- Drug · Other
- Lead sponsor
- Jaeb Center for Health Research
- Other
- Eligibility
- 7 Years to 12 Years
- Enrollment
- 139 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland