- Conditions
- Marijuana Dependence
- Interventions
- Nicotine, Cannabis, PAX Loose Leaf Vaporizer
- Drug · Device
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 21 Years to 70 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019
- U.S. locations
- 1
- States / cities
- San Francisco, California
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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 53
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Cigarette Smoking-Related Carcinoma
- Interventions
- Non-Interventional Study
- Other
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Cannabis Use, Tobacco Use Disorder, Drug Use Disorder
- Interventions
- N-Acetyl cysteine, Placebo comparator, Cognitive behavioral therapy (CBT)
- Drug · Other · Behavioral
- Lead sponsor
- Ellen Herbst
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 59 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Perinatal, Cannabis Use, Tobacco Use, Smoking Cessation
- Interventions
- Perinatal smoking cessation treatment and maintenance sessions
- Behavioral
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Tobacco Use Disorder, Cannabis Use Disorder
- Interventions
- Varenicline, Placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Marijuana Smoking
- Interventions
- Dronabinol 120mg/day, Placebo, Dronabinol 240mg/day
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified, Cigarette Smoking, Tobacco Use, Nicotine Dependence, Nicotine Withdrawal, Cardiovascular Risk Factor
- Interventions
- Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
- Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2024
- U.S. locations
- 2
- States / cities
- San Francisco, California
- Conditions
- Cannabis Use, Tobacco Use, Cigarette Smoking
- Interventions
- THC 30mg, THC 5mg, THC 0mg, Cigarette Full Nicotine, Cigarette Reduced Nicotine
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Schizophrenia, Substance Abuse, Cocaine Abuse, Tobacco Use Disorder
- Interventions
- Various Screening psychiatric and medical assessments
- Behavioral
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 523 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2019
- U.S. locations
- 1
- States / cities
- Catonsville, Maryland
- Conditions
- Cannabis Use, Tobacco Use, Electronic Cigarette Use
- Interventions
- THC High Dose, THC Low Dose, THC 0mg, E-Cigarette Full Nicotine, E-Cigarette Placebo Nicotine
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Alcohol Drinking, Cigarette Smoking, Marijuana Smoking
- Interventions
- Project CHOICE
- Behavioral
- Lead sponsor
- RAND
- Other
- Eligibility
- 11 Years to 15 Years
- Enrollment
- 6,455 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2014
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- HIV Positive, Marijuana Smoking
- Interventions
- Not listed
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 119 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Alcohol Drinking, Marijuana Smoking
- Interventions
- brief counseling
- Behavioral
- Lead sponsor
- National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 554 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2008
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
- Conditions
- Cigarette Smoking, Marijuana Abuse
- Interventions
- bupropion, transdermal nicotine patch, Nicotine polacrilex, nicotine lozenge, counseling for marijuana and smoking cessation, mobile contingency management
- Drug · Behavioral
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Smoking Cessation, Marijuana Use
- Interventions
- Behavioral: Quitline treatment as usual, QL Marijuana Check-Up intervention (QL-MJCU)
- Behavioral
- Lead sponsor
- Consumer Wellness Solutions
- Industry
- Eligibility
- 21 Years and older
- Enrollment
- 107 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Cannabis
- Interventions
- iTBS
- Device
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2029
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Cannabis Use, Stress
- Interventions
- Water Temperature Variation - WW, Water Temperature Variation - CW
- Other
- Lead sponsor
- University of Colorado, Boulder
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 166 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Boulder, Colorado
- Conditions
- Psychosis, Substance Use, Substance Use Disorders, Family, Tobacco Use, Nicotine Use Disorder, Cigarette Smoking, Cannabis, Marijuana, Alcohol Use Disorder, Alcohol, Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Mental Disorder
- Interventions
- CRAFT-FT
- Behavioral
- Lead sponsor
- Mclean Hospital
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 29 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Belmont, Massachusetts
- Conditions
- Vaping
- Interventions
- Social Media Intervention
- Behavioral
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 13 Years to 21 Years
- Enrollment
- 500 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Adolescent Substance Use
- Interventions
- Guiding Good Choices
- Behavioral
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 11 Years to 12 Years
- Enrollment
- 3,636 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2025
- U.S. locations
- 3
- States / cities
- Oakland, California • Aurora, Colorado • Detroit, Michigan
- Conditions
- Cannabis Dependence, Nicotine Dependence
- Interventions
- Cognitive Behavioral Therapy, Nicotine Replacement Therapy
- Behavioral · Drug
- Lead sponsor
- Mclean Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Belmont, Massachusetts
- Conditions
- THC, Cannabis, Cannabis Use, Cannabis Smoking, Tobacco Use, Vaping
- Interventions
- Cannabis, Nicotine, Pax Loose Leaf Vaporizer, Placebo Marijuana
- Drug · Device · Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Cannabis Use, THC, Marijuana Use, Cognitive Impairment, THC Vaping
- Interventions
- 15% THC Potency Reduction, 35% THC Potency Reduction
- Behavioral
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 21 Years to 25 Years
- Enrollment
- 110 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Nicotine Dependence, Tobacco Use Disorder
- Interventions
- Varenicline Pill, Contingency management, Counseling
- Drug · Behavioral
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 105 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 3
- States / cities
- Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina