- Conditions
- Parkinsonian Signs in Older Persons
- Interventions
- Carbidopa 25 mg, Carbidopa-Levodopa 25/100 mg, Placebo 1, Placebo 2
- Drug
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 2
- States / cities
- Ann Arbor, Michigan
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 1–24
of 50
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- 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
- Parkinson Disease
- Interventions
- L-DOPS, Placebo
- Drug
- Lead sponsor
- St. Joseph's Hospital and Medical Center, Phoenix
- Other
- Eligibility
- 30 Years to 83 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Phoenix, Arizona
- Conditions
- Stroke
- Interventions
- Transcranial Magnetic Stimulation (TMS), Carbidopa-Levodopa, Methylphenidate, Amphetamine Sulfate, Placebo, Sham Transcranial Magnetic Stimulation (TMS), Transcranial Magnetic Stimulation (TMS) Training
- Other · Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 33 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2016
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Parkinson's Disease
- Interventions
- Accordion Pill™ Carbidopa/Levodopa, Sinemet®, Placebo -AP-CD/LD, Placebo- Sinemet
- Drug
- Lead sponsor
- Intec Pharma Ltd.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 420 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 36
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 32 more
- Conditions
- Cocaine Dependence
- Interventions
- levodopa/carbidopa 400/100 BID
- Drug
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 131 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- 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
- Chronic Pain
- Interventions
- Methylphenidate, carbidopa-levodopa, Placebo
- Drug
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Parkinson's Disease (Disorder)
- Interventions
- IR CD-LD, IPX203 ER CD-LD, Placebo Matching IPX203, Placebo Matching IR CD-LD
- Drug · Other
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 630 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 56
- States / cities
- Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 46 more
- Conditions
- Parkinson's Disease
- Interventions
- IPX054 200 mg, CD-LD IR, IPX054 Placebo, CD-LD IR Placebo
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 2
- States / cities
- Chicago, Illinois • Charleston, South Carolina
- Conditions
- Stroke
- Interventions
- Telerehabilitation, Sinemet Pill, Placebo
- Device · Drug
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Amyotrophic Lateral Sclerosis, Motor Neuron Disease
- Interventions
- carbidopa-levodopa, Placebo Oral Tablet
- Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Parkinson's Disease
- Interventions
- XP21279 and carbidopa (experimental), Sinemet (comparator), Placebo for XP21279 and carbidopa, Placebo for Sinemet
- Drug
- Lead sponsor
- XenoPort, Inc.
- Industry
- Eligibility
- 30 Years to 80 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 12
- States / cities
- Phoenix, Arizona • Little Rock, Arkansas • Long Beach, California + 9 more
- Conditions
- Depressive Disorder
- Interventions
- Carbidopa/levodopa, Placebo, Exercise training, Control
- Drug · Behavioral
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 60 Years to 100 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Anhedonia, Depression
- Interventions
- Carbidopa Levodopa, Placebo
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 25 Years to 55 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Cocaine Dependence
- Interventions
- levodopa carbidopa and entacapone (LCE), Placebo
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 21 Years to 50 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Angelman Syndrome
- Interventions
- Levodopa, Placebo Oral Capsule
- Drug
- Lead sponsor
- Wen-Hann Tan
- Other
- Eligibility
- 4 Years to 12 Years
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 7
- States / cities
- San Diego, California • San Francisco, California • Boston, Massachusetts + 4 more
- 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
- Age-related Macular Degeneration
- Interventions
- carbidopa-levodopa 25-100 mg, placebo for carbidopa-levodopa 25-100 mg
- Drug
- Lead sponsor
- Snyder, Robert W., M.D., Ph.D., P.C.
- Individual
- Eligibility
- 50 Years to 85 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- Conditions
- Spinal Cord Injuries
- Interventions
- CPH + hand training, CD-LD + hand training, ATX + hand training, Placebo + hand training
- Drug
- Lead sponsor
- Bronx VA Medical Center
- Federal
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- The Bronx, New York
- Conditions
- Opioid Use, Opioid Dependence, Opioid-use Disorder, Narcotic Use, Back Pain, Back Injuries, Chronic Pain, Chronic Low-back Pain, Pain, Chronic, Pain;Back Low;Chronic, Pain, Back
- Interventions
- Carbidopa-Levodopa 25 Mg-100 Mg Oral Tablet, Naproxen 500 Mg, Opioids
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- 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'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