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Study identifier: NCT05999383 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration

Condition: THC · Cannabis · Cannabis Use  ·  Sponsor: University of California, San Francisco

PhasePhase 2
Planned participants48
Who can joinAll sexes, 21 Years to 65 Years
Healthy volunteersYes

About this study

This is a crossover, randomized, double-blinded clinical pharmacology study enrolling dual cannabis-tobacco smokers to better understand the combined effects of co-administering cannabis and tobacco. The project aims to describe the pharmacokinetics and pharmacodynamics of marijuana-tobacco co-administration by delivering THC and nicotine in various combinations. This foundational study will establish a research program focused on elucidating the public health consequences of marijuana-tobacco co-use.

This description comes directly from the study's public registry record.

Talk to the study team

Armando Barraza  ·  628-206-4226  ·  armando.barraza@ucsf.edu

Always discuss trial participation with your own doctor first.

Locations (1)

Zuckerberg San Francisco General HospitalSan Francisco, California, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05999383