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Smoking clinical trials in California
6 studies for Smoking are looking for participants at sites in California.
Empowering Patients' Lung Cancer Screening Uptake (Empower LCS/Call+)
- UCI Health Family Health Center - Anaheim, Anaheim
- UCI Health - Costa Mesa, Costa Mesa
- CHAO Family Comprehensive Cancer Center- Irvine, Irvine
- and 10 more
Recruiting
Ages 50 to 80 · All sexes · Updated Sep 21, 2026 · NCT07711691Trauma-Informed Care for Smoking Cessation for Pregnancy
- Zuckerberg San Francisco General Hospital, San Francisco
RecruitingHealthy volunteers welcome
Ages 18 and older · Women · Updated Sep 10, 2026 · NCT07129590Varenicline for Smoking Reduction in Veterans Not Ready To Quit
- VA San Diego Healthcare System, San Diego, CA, San Diego
RecruitingPhase 4
Ages 21 and older · All sexes · Updated Aug 31, 2026 · NCT06966362Cannabidiol for Reducing Cigarette Use
- CRI-Help, Inc., North Hollywood
RecruitingPhase 2Mentions payment for participants
Ages 18 to 65 · All sexes · Updated Apr 13, 2026 · NCT06218056Examining the Effects of Cytisinicline on Neural Substrates of Cigarette Cue-reactivity
- University of California Los Angeles, Los Angeles
RecruitingPhase 2
Ages 18 to 65 · All sexes · Updated Dec 3, 2025 · NCT06617312Smoke-free Home Study in Subsidized Housing
- University of California, San Francisco, San Francisco
RecruitingHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Feb 24, 2025 · NCT06170437From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.