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  MINI 11 - Tobacco Control and Prevention (ID 108)

  • Event: WCLC 2015
  • Type: Mini Oral
  • Track: Prevention and Tobacco Control
  • Presentations: 1
  • Moderators:S.M. Janes, E. Stone, K.M. Cummings
  • Coordinates: 9/07/2015, 16:45 - 18:15, 601+603

  • 14214

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    MINI11.08 - Smoking Cessation Results in a Clinical Lung Cancer Screening Program (ID 65)

    17:15 - 17:20  |  Author(s): S. Flacke
    • Abstract
    • Presentation
    • Slides

    Background:
    Published results, to date, on smoking cessation and lung cancer screening have been from lung cancer screening clinical trials and/or lung cancer screening studies. Most were done before publication of National Lung Screening Trail (NLST) results. To our knowledge, this is the first report on smoking cessation and smoking relapse rates in a clinical lung cancer screening program to assess the influence of initial screening results on smoking behavior.
    
    Methods:
    Self-reported smoking status for all individuals enrolled in a clinical CT lung screening program undergoing a follow-up CT lung screening exam between February 1, 2014 and July 31, 2014 was retrospectively reviewed and compared to self-reported smoking status using a standardized questionnaire at time of program entry. Point smoking cessation and relapse rates were calculated across the entire population and compared with exam results.
    
    Results:
    682 participants all of which met NCCN high-risk criteria for lung cancer were included in the study. 45% (309/682) were active smokers at program entry. The smoking cessation rate was 18.4%. Overall relapse rate was 9.9% with a relapse rate for former smokers quit for less than or equal to one year (24 of 64) of 37.5%, 14.8% for those quit for more than one year and up to two years (4 of 27), and 3.2% for those quit for more than two years (9 of 282). Initial screening exam results were not predictive of smoking status at the most recent scan (OR = 0.779, 95% CI = 0.415-1.460, p=0.435). In the group of smokers at the initial scan, screening results did not result in increased rates of smoking cessation (OR = 0.704, 95% CI = 0.308 – 1.610, p=0.405). In the group of former smokers at the initial scan, negative initial exam results did not result in increased smoking relapse rates (OR = 1.021, 95% CI = 0.364-2.860, p=0.969).
    
    Conclusion:
    Smoking cessation and relapse rates in a clinical CT lung screening program significantly exceed rates observed in the general population and do not correlate with exam results.
    
    

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