Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 26, 2026, 4:54 AM EDT

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Showing 1–24 of 399 matching trials from the live ClinicalTrials.gov search.
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
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
Migraine, Cannabis, THC, CBD
Interventions
THC ~5%, CBD ~12%, THC ~5% and CBD ~12%, Sham Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
La Jolla, California
Conditions
Opioid Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Aurora, Colorado
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Effect of Cannabidiol in Learning and Memory of Adults

NCT06074172
Conditions
Memory
Interventions
Cannabidiol (246mg press pill), Placebo (246mg press pill)
Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Pueblo, Colorado
Terminated Phase 1Phase 2 Interventional Results available

Beryllium Infliximab Study: Clinical Interventional Trial

NCT00111917
Conditions
Berylliosis, Beryllium Disease
Interventions
Infliximab, Placebo
Drug · Other
Lead sponsor
Maier, Lisa, M.D.
Individual
Eligibility
18 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Denver, Colorado
Completed Phase 1Phase 2 Interventional Results available

Effects of Marijuana on Symptoms of OCD

NCT03274440
Conditions
Obsessive-Compulsive Disorder
Interventions
Cannabis, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Tooth Decay
Interventions
CBD infused candy, Sugar free Candy
Dietary Supplement
Lead sponsor
West Coast University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Anaheim, California
Completed Early Phase 1 Interventional Accepts healthy volunteers

CBD Cannabis Extract: Pharmacokinetic Studies

NCT04280289
Conditions
Epilepsy
Interventions
cannabidiol extract
Drug
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
21 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
University, Mississippi
Conditions
Autism Spectrum Disorder
Interventions
Oral cannabidiol 100mg/mL, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Years to 17 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Dyskinesias, Parkinson's Disease, Severe Motor Fluctuations
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
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
16
States / cities
Birmingham, Alabama • Fountain Valley, California • Los Angeles, California + 13 more
Conditions
CBD, Pain, Chronic, Anxiety, Insomnia, Opioid Use
Interventions
CBD
Drug
Lead sponsor
Advanced Pain and Rehab Specialists
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Hermitage, Pennsylvania
Conditions
Complex Regional Pain Syndrome
Interventions
BRC-002, BRC-002 Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
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
Withdrawn Phase 2Phase 3 Interventional

Topical CBD for Musculoskeletal Pain

NCT05170451
Conditions
Musculoskeletal Pain
Interventions
CBD, Control
Drug · Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Cannabis Use Disorder
Interventions
Cannabidiol - fsCBD, Placebo, Cannabidiol - bsCBD
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Generalized Anxiety Disorder
Interventions
Formula30A Full Spectrum Hemp Cannabidiol 25mg Capsules
Dietary Supplement
Lead sponsor
Formula30A LLC
Industry
Eligibility
21 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
5
States / cities
Denton, Texas • Edinburg, Texas • Forney, Texas + 1 more
Conditions
Cocaine Abuse, Cocaine Dependence, Opiate Dependence, Alcohol Dependence, Substance Abuse
Interventions
modafinil, d-amphetamine, L-Dopa, Naltrexone
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years
Enrollment
7,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Parkinson's Disease, Motor Symptoms
Interventions
APOKYN, Physical Therapy
Drug · Behavioral
Lead sponsor
MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals
Industry
Eligibility
18 Years to 78 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
12
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Loma Linda, California + 9 more
Conditions
Primary Four Repeat Tauopathies (4RT), Corticobasal Syndrome (CBS), Progressive Supranuclear Palsy (PSP), Corticobasal Degeneration (CBD)
Interventions
TPI 287 2 mg/m2, TPI-287 20 mg/m2, Placebo, TPI-287 6.3 mg/m2
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 85 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Birmingham, Alabama • San Francisco, California
Completed Phase 4 Interventional Results available

Effect of L-dopa In Subacute Back Pain Population

NCT01951105
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 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
Tobacco Use Disorder, Tobacco Smoking, Tobacco Dependence
Interventions
Cannabidiol (CBD) 800 mg, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
North Hollywood, California
Completed Not applicable Interventional Accepts healthy volunteers

CBD, Immune Function, and Neural Health

NCT04881539
Conditions
Healthy
Interventions
Cannabidiol (CBD)
Dietary Supplement
Lead sponsor
University of Northern Colorado
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Greeley, Colorado