- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04855357
Smoke-free Home Intervention in Permanent Supportive Housing
A Community-based Trial of a Voluntary Smoke-free Home Intervention in Permanent Supportive Housing for Formerly Homeless Adults
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PSH resident participants (200 each in the intervention and wait-list control arms) and within each site, all resident participants will be informed about the study and invited to participate. Participants will be recruited within blocks of four housing sites per month, with each block containing two intervention and two wait-list control sites, and anticipating roll-out of one such block per month. Anticipated completion of recruitment and enrollment of all participants should occur within 6 months, allowing for a one-to-two-month extension to complete these activities. The intervention will be offered to the wait-list control participants once all participants in the intervention sites from the same block have completed their 6-month follow-up.
400 resident participants will be recruited, with 200 participants each in the intervention and wait-list control arms (~20 participants per site). Within each site, study staff will advertise the study to residents the week prior to enrollment by placing flyers at the study site and making announcements at community meetings. After the informational meeting, study staff will be present at the recruitment sites during designated times to screen interested participants for eligibility and enroll those eligible into the study. These study procedures were successfully employed the pilot study. Participants in the study may be invited to a one-time, voluntary, community advisory board (CAB) meeting.
Specific Objectives:
Aim 1: Conduct a cluster randomized trial to estimate the effect of the smoke-free home intervention on residents' voluntary adoption of smoke-free homes.
Aim 2: Evaluate the cost-effectiveness of the smoke-free home intervention.
Aim 3: Determine characteristics of high and low adopters at the individual level, and social and environmental barriers and enablers of adoption, scalability and sustainability of the intervention.
It will take 6 months for the intervention group participants to complete the study, and 1 year for the wait-list control participants to complete the study.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Jessica Alway
- Phone Number: 415-839-0572
- Email: Jessica.Alway@ucsf.edu
Study Contact Backup
- Name: Maya Vijayaraghavan, MD, MAS
- Phone Number: (628) 206-6959
- Email: Maya.Vijayaraghavan@ucsf.edu
Study Locations
-
-
California
-
San Francisco, California, United States, 94143
- Recruiting
- University of California, San Francisco
-
Principal Investigator:
- Maya Vijayaraghavan, MD, MAS
-
Contact:
- Jessica Alway
- Phone Number: 415-839-0572
- Email: Jessica.Alway@ucsf.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age 18 years or older
- Ability to understand study procedures and to comply with them for the entire length of the study.
- Ability of individual or legal guardian/representative to understand a written informed consent document, and the willingness to sign it.
- Current smokers [(smoked at least 100 cigarettes in lifetime, daily or non-daily smoking in the past 7 days and at least 5 cigarettes per day, verified by expired Carbon Monoxide (CO)>= 8 parts per million (ppm) who smoke in their homes.
- Expect to live in the PSH site for at least 12 months
- English proficient.
Exclusion Criteria:
1. Contraindication to any study-related procedure or assessment.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Smoke-free home permanent supportive housing (PSH) resident intervention + Staff Intervention
Study staff will deliver a one hour, one-on-one counseling to PSH residents that includes: (1) a step-by-step guide on how to voluntarily adopt a smoke-free home, (2) information on second hand smoke (SHS) and third-hand smoke, alternative combustible tobacco and nicotine product use, cannabis-tobacco co-use, effects of SHS on kids and pets,(3) a worksheet on calculating personal costs related to tobacco use, and (4) pledges to designate one's home smoke-free.
At follow-up assessments, the study team will ask participants whether they had a chance to view the intervention materials in between visits and will offer an opportunity for participants to discuss conflicts that they had experienced around smoke-free home adoption and will provide strategies to address these roadblocks.
|
One hour, one-on-one counseling for residents
A two-hour training for PSH staff on how to provide referrals to smoking cessation programs using materials previously developed from UCSF's 'Rx for change' curriculum for service providers, directed toward empowering PSH staff to provide referrals to local cessation services using the ask, advise, and refer approach.
The training will address nicotine addiction, tobacco use among PSH residents, pilot data, brief cessation counseling (ask, advise, and refer), and local resources for cessation.
Because PSH resident-PSH staff encounters will take place as part of routine care, the study team will request permission from a random sample of staff and resident dyads (n=40) to record these interactions to assess fidelity.
|
Other: Wait-List Control (Usual Care) then crossover to Smoke-free home PSH resident intervention
The current standard of care includes no interventions for smoke-free home adoption or referrals to smoking cessation resources.
Wait-list group receives Smoke-Free Home (SFH) intervention after intervention group complete 6-month follow-up
|
A two-hour training for PSH staff on how to provide referrals to smoking cessation programs using materials previously developed from UCSF's 'Rx for change' curriculum for service providers, directed toward empowering PSH staff to provide referrals to local cessation services using the ask, advise, and refer approach.
The training will address nicotine addiction, tobacco use among PSH residents, pilot data, brief cessation counseling (ask, advise, and refer), and local resources for cessation.
Because PSH resident-PSH staff encounters will take place as part of routine care, the study team will request permission from a random sample of staff and resident dyads (n=40) to record these interactions to assess fidelity.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of participants who adopt a smoke-free home voluntarily
Time Frame: 6 months
|
Self-reported voluntary adoption of smoke-free homes for >=90 days at 6 months follow-up
|
6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of participants who achieve abstinence
Time Frame: 6 months
|
7-day point prevalence abstinence at 6 months follow-up, measured as self-report of abstinence at the 6-month follow-up and an expired carbon monoxide of <= 5 parts per million (ppm) as abstinence
|
6 months
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Maya Vijayaraghavan, MD, MAS, University of California, San Francisco
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 21631
- 1R37CA248448-01A1 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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