Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 5:44 AM EDT

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Showing 73–85 of 85 matching trials from the live ClinicalTrials.gov search.
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Repeated Cannabis Administration on Experimental Pain and Abuse Liability

NCT04576507
Conditions
Cannabis, Pain, Tolerance, Hyperalgesia
Interventions
Active Cannabis, Placebo Cannabis
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Conditions
Tobacco Dependence Caused by Cigarettes
Interventions
NJOY ACE commercial e-cigarette
Device
Lead sponsor
University of Nevada, Reno
Other
Eligibility
21 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Reno, Nevada
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana

NCT00743145
Conditions
Marijuana Smoking
Interventions
Inactive Marijuana (0% THC), Active Marijuana (5.5% THC), Active Marijuana (6.2% THC), Naltrexone, Placebo naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Patient Doctor Lies

NCT04803448
Conditions
Patient Lying, Privacy Statements, Risk Statements, Benefit Statements, Patient Lie Detection
Interventions
Benefit statement, Risk Statement, Privacy Statement, Benefit + Privacy, Risk + Privacy
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 80 Years
Enrollment
619 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Provo, Utah
Completed Early Phase 1 Interventional Accepts healthy volunteers

Vaporized Nicotine and Autonomic Control

NCT04613609
Conditions
Electronic Cigarette Use
Interventions
Electronic Cigarette containing nicotine, Electronic Cigarette without nicotine
Device
Lead sponsor
Michigan Technological University
Other
Eligibility
21 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houghton, Michigan
Conditions
Nicotine Dependence
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland • Catonsville, Maryland
Conditions
Vaping
Interventions
Videos featuring influencers promoting e-cigarettes alongside healthy lifestyle activities
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 24 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Real Time fMRI and Quitting Smoking

NCT03302026
Conditions
Nicotine Use Disorder
Interventions
Realtime biofeedback using fMRI
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of an Abstinence-Only HIV Risk-Reduction Intervention for Young African-American Adolescents

NCT00640653
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Abstinence-only HIV/STD risk-reduction intervention, Safer-sex-only HIV/STD risk-reduction intervention, Long comprehensive HIV/STD risk-reduction intervention, Short comprehensive HIV/STD risk-reduction intervention, Health promotion control intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
662 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Saliva-based Detection of CD44

NCT03148665
Conditions
Oral Cavity Squamous Cell Carcinoma, Oropharynx Squamous Cell Carcinoma, Squamous Cell Carcinoma of the Oropharynx, Squamous Cell Carcinoma of the Head and Neck
Interventions
OncAlert
Device
Lead sponsor
Joseph Califano
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
4
States / cities
La Jolla, California • Baltimore, Maryland • New York, New York
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
Conditions
Nicotine Dependence, Major Depressive Disorder
Interventions
Varenicline, BASC, Standard treatment
Drug · Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania
Conditions
Tobacco Use Disorder
Interventions
Memantine, bupropion, placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New York, New York