Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration — Stella

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Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration — Stella

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Recruiting

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Phase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.

Trial locations(1 site)

United States

Zuckerberg San Francisco General Hospital, San Francisco, California

Key details

Phase

Safety & dosing

Sponsor

University of California, San Francisco

Collaborators

National Institute on Drug Abuse (NIDA), National Institutes of Health (NIH)

Enrollment target

~48 participants

Started

July 2025

Primary completion

February 2028

Age range

21 Years – 65 Years

Last updated January 2026

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