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Smoking cessation and relapse during a lung cancer screening program.
Christy M Anderson1, Rowena Yip, Claudia I Henschke
1University of California, San Diego, Del Mar, 92014, USA.
Summary
Lung cancer screening with consistently negative results does not hinder long-term smoking abstinence or increase relapse. This finding is crucial for understanding the psychological impact of screening on smoking cessation efforts.
Area of Science:
- Pulmonology
- Oncology
- Behavioral Science
Background:
- Lung cancer screening aims to detect cancer early, but concerns exist regarding its impact on smoking cessation.
- Negative screening results might inadvertently reduce motivation for quitting or increase relapse rates.
Purpose of the Study:
- To investigate whether consistently negative lung cancer screening results affect smoking cessation and long-term abstinence.
- To determine if negative screening results increase the likelihood of relapse among former smokers.
Main Methods:
- Analysis of data from 2,078 participants in the Early Lung Cancer Action Program with up to 12 years of follow-up.
- Examined point and prolonged abstinence in 730 baseline smokers and relapse in former smokers using Cox models.
- Compared outcomes between participants with consistently negative computerized tomography (CT) scan results and those with non-cancer-positive results.
Main Results:
- Baseline smokers with negative CT scans showed a 28% lower likelihood of point abstinence compared to those with positive scans.
- Consistently negative scans were not linked to lower prolonged abstinence rates.
- No association was found between consistently negative scans and increased relapse rates in former smokers.
Conclusions:
- Consistently negative lung cancer screening results did not lead to reduced long-term smoking abstinence.
- Individuals with consistently negative screening results did not experience increased relapse rates over a 6-year follow-up period.
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