- 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
Search Results
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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 1–7
of 7
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Cannabis Use, Risk Perception, Decision Making
- Interventions
- Discrete choice experiment (DCE) survey-experiment
- Behavioral
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 450 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Solid Tumor, Adult
- Interventions
- Not listed
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 21 Years to 100 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 2
- States / cities
- Aurora, Colorado • Boulder, Colorado
- Conditions
- Opioid Use, Pain, Marijuana Use
- Interventions
- Cannabis, Prescription Opioid Taper Support (POTS)
- Drug · Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 87 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 3
- States / cities
- Portland, Maine • Boston, Massachusetts • Cambridge, Massachusetts
- Conditions
- Smoking Behaviors
- Interventions
- Aim 1: Online survey, Eye Tracking Activity, Eye tracking survey, Online Experimental Marketplace (ETM), Aim 3 survey, Cognitive Interviews, Supplemental Aim 1 Interviews
- Other · Behavioral
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- 16 Years to 28 Years
- Enrollment
- 658 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- 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 Use
- Interventions
- Choice of cannabis product
- Behavioral
- Lead sponsor
- University of Colorado, Boulder
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 326 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Boulder, Colorado