Extended Intervention for Tobacco Use (EXIT) for People Experiencing Homelessness

Recruiting now · Phase 4

Conditions studied: Tobacco Cessation, Tobacco Abstinence, Tobacco Use, Tobacco Use Cessation, Tobacco Dependence

In brief

This study is investigating tobacco use and providing tobacco treatment among people experiencing homelessness in California, in San Francisco and Los Angeles.

Key facts

Study ID

NCT07148232

Run by

University of California, San Francisco

People needed

150

Starts

2025-11-14

Expected to finish

2027-06-30

Last updated by the study team

2025-11-21

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 18 years or older
• Able to understand study procedures and to comply with them for the entire length of the study.
• Ability of individual to understand a written informed consent document, and the willingness to sign it.
• Staying at the recruitment site and meeting criteria for homelessness as defined by the Homeless Emergency and Rapid Transition to Housing Act.
• Current smoking (smoking at least 5 cigarettes per day (cpd), verified via expired carbon monoxide (CO) >= 8 ppm using Micro+pro Smokerlyzer).
• Having an intention to quit smoking within the next six months.
• English speaking.

You may not qualify if…

• Contraindication to any study-related procedure or assessment.
• Reasons that preclude the use of nicotine replacement therapy (NRT) (e.g., pregnancy or myocardial infarction in the past two weeks).

Where it is running

• University of California, San Francisco — San Francisco, California, United States (enrolling)

Full record on ClinicalTrials.gov

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