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Grant Details

Grant Number: 5R01CA134347-05 Interpret this number
Primary Investigator: Brandon, Thomas
Organization: H. Lee Moffitt Cancer Ctr & Res Inst
Project Title: Extended Self-Help for Smoking Cessation
Fiscal Year: 2013


DESCRIPTION (provided by applicant): Extended Self-Help for Smoking Cessation Project Summary Tobacco smoking is the leading preventable cause of cancer mortality. Although both pharmacotherapy and behavioral counseling have independent and additive effects toward aiding smoking cessation, counseling is rarely chosen by smokers. In contrast, minimal self-help interventions, such as smoking cessation pamphlets or booklets have much wider potential reach, but their efficacy has been very disappointing, with incremental abstinence rates averaging only 1 percent. Any significant improvement in the efficacy of self-help would have potentially large public health impact with respect to smoking and smoking-related illness and mortality. Previous efforts by this research team have led to the development of a series of 8 self-help booklets designed to reduce postcessation relapse to smoking. Two clinical trials have demonstrated that these "Forever Free" booklets significantly reduce smoking relapse through two years of follow-up among recent quitters, and that the intervention is extremely cost-effective. Moreover, recent secondary analyses suggest that the booklets not only reduced relapse among recent quitters, but they also improved cessation rates among a subset of smokers who requested the booklets for cessation rather than relapse-prevention purposes. The incremental abstinence rates were much larger than typically found from self-help. These analyses also indicated that-in contrast to relapse-prevention-the booklets were efficacious only when they their delivery to smokers was distributed over 12 months. We have proposed a general two-process "Transitional Approach to Drug Abstinence" model to account for these differences. The model emphasizes the role of continued contact to maintain individuals' motivation for smoking cessation. Conclusions from the secondary analyses are limited because the studies were not powered to detect outcome differences for smoking cessation, and the sample may not have been representative of smokers in general. In addition, the significant outcome differences were not maintained after the 12 months of booklet distribution ended. The aims of the proposed study are: (1) To test the efficacy of Forever Free booklets for smoking cessation, via a sufficiently powered randomized clinical trial; (2) To test the incremental efficacy of extending and increasing the frequency of contact; (3) To compare the cost-effectiveness of the interventions; and (4) to test a subset of predictions of our model. Smokers will be randomized to one of three intervention arms: (1) Usual Care, a single NCI smoking cessation booklet; (2) Standard Repeated Mailings, the 8 Forever Free booklets over 12 months; and (3) Intensive Repeated Mailings, which adds another 6 months of mailings and additional supportive contacts between the booklet mailings. Follow-up will occur at 6-month intervals through 30 months post-enrollment. The primary hypotheses are that Standard Repeated Mailings will produce significantly (e5 percent) greater abstinence rates compared to Usual Care, and that the Intensive condition will improve sustained abstinence beyond that.


Abstinence-related motivational engagement for smoking cessation: Longitudinal patterns and predictive validity.
Authors: Palmer A.M. , Sutton S.K. , Correa J.B. , Simmons V.N. , Brandon T.H. .
Source: PloS one, 2021; 16(3), p. e0247867.
EPub date: 2021-03-04.
PMID: 33661996
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A Bayesian transition model for missing longitudinal binary outcomes and an application to a smoking cessation study.
Authors: Li L. , Lee J.H. , Sutton S.K. , Simmons V.N. , Brandon T.H. .
Source: Statistical modelling, 2020 Jun; 20(3), p. 310-338.
EPub date: 2019-03-04.
PMID: 33854408
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Long-term outcomes from a self-help smoking cessation randomized controlled trial.
Authors: Simmons V.N. , Sutton S.K. , Meltzer L.R. , Unrod M. , Meade C.D. , Brandon T.H. .
Source: Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors, 2018 Nov; 32(7), p. 710-714.
EPub date: 2018-10-04.
PMID: 30284878
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Extended Self-Help for Smoking Cessation: A Randomized Controlled Trial.
Authors: Brandon T.H. , Simmons V.N. , Sutton S.K. , Unrod M. , Harrell P.T. , Meade C.D. , Craig B.M. , Lee J.H. , Meltzer L.R. .
Source: American journal of preventive medicine, 2016 Jul; 51(1), p. 54-62.
EPub date: 2016-02-08.
PMID: 26868284
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E-cigarette use in adults: a qualitative study of users' perceptions and future use intentions.
Authors: Simmons V.N. , Quinn G.P. , Harrell P.T. , Meltzer L.R. , Correa J.B. , Unrod M. , Brandon T.H. .
Source: Addiction research & theory, 2016; 24(4), p. 313-321.
EPub date: 2016-02-23.
PMID: 27725794
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Gender differences in use and expectancies of e-cigarettes: Online survey results.
Authors: Piñeiro B. , Correa J.B. , Simmons V.N. , Harrell P.T. , Menzie N.S. , Unrod M. , Meltzer L.R. , Brandon T.H. .
Source: Addictive behaviors, 2016 Jan; 52, p. 91-7.
EPub date: 2015-09-14.
PMID: 26406973
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E-cigarettes and expectancies: why do some users keep smoking?
Authors: Harrell P.T. , Simmons V.N. , Piñeiro B. , Correa J.B. , Menzie N.S. , Meltzer L.R. , Unrod M. , Brandon T.H. .
Source: Addiction (Abingdon, England), 2015 Nov; 110(11), p. 1833-43.
EPub date: 2015-08-18.
PMID: 26173651
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Expectancies for cigarettes, e-cigarettes, and nicotine replacement therapies among e-cigarette users (aka vapers).
Authors: Harrell P.T. , Marquinez N.S. , Correa J.B. , Meltzer L.R. , Unrod M. , Sutton S.K. , Simmons V.N. , Brandon T.H. .
Source: Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 2015 Feb; 17(2), p. 193-200.
EPub date: 2014-08-28.
PMID: 25168035
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Electronic nicotine delivery systems ("e-cigarettes"): review of safety and smoking cessation efficacy.
Authors: Harrell P.T. , Simmons V.N. , Correa J.B. , Padhya T.A. , Brandon T.H. .
Source: Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 2014 Sep; 151(3), p. 381-93.
EPub date: 2014-06-04.
PMID: 24898072
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A randomized clinical trial of self-help intervention for smoking cessation: research design, interventions, and baseline data.
Authors: Unrod M. , Simmons V.N. , Sutton S.K. , Meltzer L.R. , Harrell P.T. , Meade C.D. , Craig B.M. , Lee J.H. , Brandon T.H. .
Source: Contemporary clinical trials, 2014 Jul; 38(2), p. 284-90.
EPub date: 2014-05-24.
PMID: 24865525
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Influence of affective manipulations on cigarette craving: a meta-analysis.
Authors: Heckman B.W. , Kovacs M.A. , Marquinez N.S. , Meltzer L.R. , Tsambarlis M.E. , Drobes D.J. , Brandon T.H. .
Source: Addiction (Abingdon, England), 2013 Dec; 108(12), p. 2068-78.
EPub date: 2013-08-14.
PMID: 23795674
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Responding to tobacco craving: experimental test of acceptance versus suppression.
Authors: Litvin E.B. , Kovacs M.A. , Hayes P.L. , Brandon T.H. .
Source: Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors, 2012 Dec; 26(4), p. 830-7.
EPub date: 2012-10-29.
PMID: 23106639
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A measure of smoking abstinence-related motivational engagement: development and initial validation.
Authors: Simmons V.N. , Heckman B.W. , Ditre J.W. , Brandon T.H. .
Source: Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 2010 Apr; 12(4), p. 432-7.
EPub date: 2010-02-26.
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