Smoking Cessation Clinical Trial
Official title:
Improving the Population-Wide Effectiveness of U.S. Tobacco Cessation Quitlines
Verified date | April 2013 |
Source | University of Wisconsin, Madison |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Institutional Review Board |
Study type | Interventional |
Research shows that smoking cessation is the most significant preventable health behavior change that a person can make to lower cancer risk. In addition, telephone quitlines are an effective, science-based smoking cessation treatment that is universally accessible to smokers in the U.S. However, little research has explored promising approaches that could increase quitline use, improve quit rates, and inform resource allocation for quitline services. The proposed study will test three promising enhancements to the standard quitline treatment that typically consists of counseling and, possibly 2 weeks of a NRT medication. These enhancements are: 1) combination nicotine replacement therapy as recommended by the United States Public Health Service Clinical Practice Guideline on Treating Tobacco Use and Dependence; 2) extended duration of cessation medication use; and 3) an innovative counseling addition - cognitive medication adherence counseling - to optimize adherence to cessation medication. In addition, the cost-effectiveness of each intervention will be calculated. The findings of the proposed research have broad potential application and relevance to state quitlines, quitline service providers, and other purchasers of quitline services such as employers and insurers. Additionally, the study findings can potentially inform other telephone health behavior counseling programs.
Status | Completed |
Enrollment | 987 |
Est. completion date | November 2011 |
Est. primary completion date | February 2011 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
The only people eligible for this study are Wisconsin residents who contact the Wisconsin
Tobacco Quit Line for smoking cessation services. Inclusion Criteria: - Callers will be eligible to participate in the study if they are English speaking; are 18 years of age or older; smoke a minimum of 10 cigarettes per day; are interested in quitting and are willing to set a quit date; willing and able to use nicotine patch and nicotine gum; agree to receive four follow-up counseling calls from Free & Clear (the quitline vendor for the State of Wisconsin); provide verbal informed consent; and provide contact information and agree to take four study follow-up calls from staff at the University of Wisconsin Center for Tobacco Research and Intervention. Exclusion Criteria: - Callers will be excluded if they are under the age of 18; are pregnant or breastfeeding; exclusively use other forms of tobacco (e.g., smokeless tobacco); are unwilling or unable to use study NRT medications; are currently using a cessation medication (NRT, bupropion, varenicline); or have medical exclusions as per FDA-approved product labeling. |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Factorial Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | University of Wisconsin Center for Tobacco Research and Intervention | Madison | Wisconsin |
United States | Wisconsin Tobacco Quit Line (service provided by Free & Clear, Inc.) | Seattle | Washington |
Lead Sponsor | Collaborator |
---|---|
University of Wisconsin, Madison | Alere Wellbeing, Department of Health and Human Services, National Cancer Institute (NCI), Wisconsin Department of Health and Family Services |
United States,
Smith SS, Keller PA, Kobinsky KH, Baker TB, Fraser DL, Bush T, Magnusson B, Zbikowski SM, McAfee TA, Fiore MC. Enhancing tobacco quitline effectiveness: identifying a superior pharmacotherapy adjuvant. Nicotine Tob Res. 2013 Mar;15(3):718-28. doi: 10.1093 — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | 7-Day Point Prevalence Abstinence From Smoking by Intervention | Self-reported total abstinence from any tobacco use (even a single puff) for the seven days preceding the target follow-up day. | 26 weeks after the target quit smoking date | No |
Primary | 7-Day Point Prevalence Abstinence From Smoking by Nicotine Replacement Therapy (NRT) Group | Self-reported total abstinence from any tobacco use (even a single puff) for the seven days preceding the target follow-up day. | 26 weeks after the target quit smoking date | No |
Secondary | Incremental Cost-Effectiveness Ratio for 7-Day Point Prevalence Abstinence From Smoking at 26 Weeks Post-Quit by Nicotine Replacement Therapy (NRT) Group | For cost analyses, we computed the costs of intervention per caller, the cost per quit based on the 6-month ITT 7-day PPA, and the incremental cost-effectiveness ratio (ICER. Intervention costs included direct costs associated with registration, provision of NRT and counseling (standard and MAC), and mailing of a quit guide (all participants) and a MAC information sheet (MAC participants only). Facility space, supplies, and physician supervision time were included in the call costs; research-related costs were excluded. ICER ratio is a measure of the added cost per added quit for two treatments. ICER was computed as the cost difference between the least intensive treatment group (2 weeks of nicotine patch only) and a more intensive comparison group divided by the difference in the quit rates of the two groups being compared; e.g., the ICER for the group that received 2 weeks of nicotine patch and nicotine gum = (213-178)/(.482-.384) = $357. | 26 weeks after the target quit smoking date | No |
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