- 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
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 1–20
of 20
matching trials from the live ClinicalTrials.gov search.
- 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
- 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
- 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
- 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
- Depression, Anhedonia
- Interventions
- Carbidopa Levodopa, Placebo
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 25 Years to 55 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- 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
- 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
- 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
- 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
- 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
- Nonfluent Aphasia, Stroke
- Interventions
- levodopa/carbidopa, Placebo comparator
- Drug
- Lead sponsor
- Shirley Ryan AbilityLab
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- Autonomic Failure, Orthostatic Hypotension
- Interventions
- Atomoxetine, Acarbose, Pyridostigmine Bromide, Yohimbine, Midodrine HCl, placebo, Modafinil, Octreotide, water intake, Diphenhydramine Hydrochloride, Ranitidine HCL, Tranylcypromine, Ergotamine/ Caffeine, Celecoxib, Pseudoephedrine, Methylphenidate, Indomethacin, Ibuprofen, Oxymetazoline 0.05% nasal solution, Bovril, Acetazolamide, Rivastigmine tartrate, Carbidopa/levodopa, Inflatable abdominal binder, inflatable abdominal binder (sham)
- Drug · Other · Dietary Supplement + 1 more
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 389 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2017
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- 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
- Conditions
- Parkinson Disease, Tremor
- Interventions
- Istradefylline Pill
- Drug
- Lead sponsor
- Georgetown University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- McLean, Virginia
- Conditions
- Parkinson's Disease
- Interventions
- Sinemet 25-100 Oral Tablet, XP21279, Carbidopa Pill
- Drug
- Lead sponsor
- XenoPort, Inc.
- Industry
- Eligibility
- 30 Years to 75 Years
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 2
- States / cities
- Peoria, Arizona • Bingham Farms, Michigan
- 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
- 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
- Hypertension
- Interventions
- Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
- Drug · Dietary Supplement · Other
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 152 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2017
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee