- Conditions
- Spinal Cord Injuries
- Interventions
- 5-Hydroxytryptophan 100 MG, 5-Hydroxytryptophan, Carbidopa, Placebo
- Drug
- Lead sponsor
- University of Alberta
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 1
- States / cities
- Louisville, Kentucky
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Showing 1–14
of 14
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Parkinson Disease
- Interventions
- CVT-301 (Dose Level 1), CVT-301 (Dose Level 2), Sinemet®
- Drug
- Lead sponsor
- Acorda Therapeutics
- Industry
- Eligibility
- 25 Years to 65 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- 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
- 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
- Major Depressive Disorder, Dysthymia, Depression
- Interventions
- L-DOPA, Placebo Oral Tablet
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 51 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Amblyopia
- Interventions
- levodopa/carbidopa, patching
- Drug · Device
- Lead sponsor
- Jaeb Center for Health Research
- Other
- Eligibility
- 8 Years to 17 Years
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- 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
- Conditions
- Cocaine Abuse, Cocaine-Related Disorders
- Interventions
- Modafinil, Levodopa/Carbidopa, Naltrexone HCl, Placebo, Motivational Interviewing (MI), Contingency management (CM), Cognitive-Behavioral Therapy (CBT)
- Drug · Behavioral
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 101 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2012
- U.S. locations
- 1
- States / cities
- Houston, Texas
- 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
- 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
- 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 (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
- 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