Contingency Management for Smoking Cessation

Status Active, not recruiting

Clinical Trial Summary

The prevalence of smoking in the homeless population (70%) is over 4 times that of the general population (15%). Homeless adults have not experienced similar declines in tobacco use as the general population has over the past three decades. Homeless adults are interested in smoking cessation and make quit attempts, but are less successful in quitting smoking than the general population. Trials of group behavioral counseling and pharmacotherapy for smoking cessation have not led to substantial long-term abstinence (i.e., abstinence for 6 months or more), suggesting that these interventions alone are insufficient to improve quit rates among homeless adults. Many homeless adults seek health care in safety net clinics; these clinics could bring cessation interventions to scale. Contingency management is a powerful behavior change intervention that reinforces positive health behaviors through the provision of modest incentives (e.g., cash). In this pilot randomized controlled trial, the investigator will test the feasibility and acceptability of a contingency management intervention that provides incentives for smoking cessation for people experiencing homelessness.

Clinical Trial Description

In this pilot randomized controlled trial (RCT), the investigator will (1) adapt a known-efficacious extended CM cessation intervention to a novel population and setting, with the ultimate goal of increasing long-term abstinence among homeless adults seeking care in safety net health clinics, (2) develop a corresponding RCT protocol, and (3) conduct a pilot RCT to assess the feasibility and acceptability of the RCT. If the pilot RCT is feasible and acceptable, the investigator will test the adapted intervention in a subsequently-funded, full-scale RCT. Primary Objectives: Assess feasibility and acceptability of a CM intervention through: 1. Measuring biochemically-verified point prevalence abstinence at 6 months follow-up. 2. Measuring participant adherence to the protocol. 3. Gathering information on the number of visits attended. 4. Assessing the retention protocol. Secondary Objectives Assess feasibility and acceptability of a CM intervention through: 1. Biochemically-verified 7-day point months follow-up at 3 months. 2. Prolonged abstinence at 3 months and 6 months follow-up. 3. Point-prevalent abstinence at 12 months ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04982952
Study type	Interventional
Source	University of California, San Francisco
Contact
Status	Active, not recruiting
Phase	N/A
Start date	November 9, 2021
Completion date	June 30, 2024

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.