- Conditions
- Spinal Cord Injuries
- Interventions
- 5HTP, L-DOPA, Placebo oral tablet, Carbidopa
- Drug
- Lead sponsor
- Jessica M D'Amico
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Louisville, Kentucky
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 136
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Parkinson's Disease
- Interventions
- carbidopa
- Drug
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 35 Years to 85 Years
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- 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
- Parkinson's Disease
- Interventions
- Istradefylline (KW-6002)
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 580 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 2
- States / cities
- Princeton, New Jersey
- Conditions
- Parkinson's Disease
- Interventions
- IPX066, IR CD-LD
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 471 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 35
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 30 more
- Conditions
- Advanced Parkinson's Disease
- Interventions
- Levodopa-carbidopa intestinal gel, CADD-Legacy® 1400 ambulatory infusion pump, PEG tube, J-tube
- Drug · Device
- Lead sponsor
- AbbVie (prior sponsor, Abbott)
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 354 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2012
- U.S. locations
- 31
- States / cities
- Birmingham, Alabama • Fountain Valley, California • Los Angeles, California + 25 more
- Conditions
- Parkinson Disease
- Interventions
- Neurostimulation, Carbidopa 25/Levodopa 100Mg Tab
- Device · Drug
- Lead sponsor
- David Escobar
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- 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's Disease (PD)
- Interventions
- ABBV-951
- Drug
- Lead sponsor
- AbbVie
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 118 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 47
- States / cities
- Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 41 more
- Conditions
- PTSD, Post Traumatic Stress Disorder
- Interventions
- L-DOPA, Placebo
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 21 Years to 50 Years · Female only
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 2
- States / cities
- Austin, Texas • Madison, Wisconsin
- 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 (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
- Cardiac Repolarization in Healthy Subjects
- Interventions
- Carbidopa capsule, Moxifloxacin Tablets, USP, Placebo
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Dilworth, Minnesota
- Conditions
- Advanced Parkinson's Disease
- Interventions
- Optimized Medical Treatment, Levodopa-Carbidopa Intestinal Gel, Nasojejunal (NJ) tube, Percutaneous endoscopic gastrostomy with a jejunal (PEG-J) tube
- Drug · Device
- Lead sponsor
- AbbVie
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2022
- U.S. locations
- 8
- States / cities
- Fountain Valley, California • Boca Raton, Florida • Jacksonville, Florida + 5 more
- Conditions
- Macula; Degeneration, Retina
- Interventions
- carbidopa-levodopa 25-100 mg
- Drug
- Lead sponsor
- Snyder, Robert W., M.D., Ph.D., P.C.
- Individual
- Eligibility
- 50 Years to 85 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- Conditions
- Parkinson Disease, Multiple System Atrophy, Autonomic Nervous System Diseases
- Interventions
- Droxidopa, Carbidopa, Entacapone
- Drug
- Lead sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2013
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Multiple Sclerosis
- Interventions
- L-Histidine, Placebo, Lodosyn
- Drug
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 18 Years to 60 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Depression
- Interventions
- Levodopa+carbidopa, Placebo
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 57 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2020
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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
- Healthy Volunteers
- Interventions
- Formulation A, Formulation B, Formulation C
- Drug
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2027
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- 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
- Autonomic Failure, Pure Autonomic Failure, Parkinson Disease, Multiple System Atrophy, Dementia With Lewy Bodies
- Interventions
- [18F]FDOPA, Carbidopa 200mg oral dose, Entacapone 400mg oral dose
- Drug
- Lead sponsor
- Daniel Claassen
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2027
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Dysautonomia, Familial, Baroreflex Failure Syndrome
- Interventions
- Carbidopa Low-Dose, Placebo, Carbidopa High-Dose
- Drug · Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 10 Years to 60 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 2
- States / cities
- New York, New York