Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 29, 2026, 2:24 AM EDT

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Showing 745–750 of 750 matching trials from the live ClinicalTrials.gov search.
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetics of Centella Asiatica in the Elderly

NCT03929250
Conditions
Healthy, Elderly
Interventions
2g Centella asiatica water extract product, 4g Centella asiatica water extract product
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
65 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

Color-dependent Melatonin Suppression

NCT02936674
Conditions
Melatonin
Interventions
Light - standard, Light - alternate
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Management of Chronic Venous Insufficiency

NCT00950378
Conditions
Venous Insufficiency
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
40 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Any Cancer Diagnosis
Interventions
Play Intervention, Questionnaires
Behavioral · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
4 Years to 10 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Parkinson Disease
Interventions
PRIM-DJ2727, Placebo oral capsule
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
55 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cannabidiol Effects on Blood Alcohol Level and Intoxication

NCT06105138
Conditions
Alcohol Use Disorder
Interventions
200mg Cannabidiol oral solution, 30mg Cannabidiol oral solution, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
21 Years to 60 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Fort Collins, Colorado