Smoking Cessation Interventions and Cessation Rates in the Oncology Population: An Updated Systematic Review and Meta‐Analysis
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ObjectivesTo evaluate tobacco smoking cessation interventions and cessation rates in the oncology population through a systematic review and meta‐analysis.Data SourcesThe literature was searched using PubMed, Google Scholar, Medline, EMBASE, and the Cochrane Library (inception to October 2012) by 3 independent review authors.Review MethodsStudies were included if they were randomized controlled trials (RCTs) or prospective cohort (PCs) studies evaluating tobacco smoking cessation interventions with patients assigned to a usual care or an intervention group. The primary outcome measure was smoking cessation rates. Two authors extracted data independently for each study. When applicable, disagreements were resolved by consensus.ResultsThe systematic review identified 10 RCTs and 3 PCs. Statistical analysis was conducted using StatsDirect software (Cheshire, UK). Pooled odds ratios (ORs) for smoking cessation interventions were calculated in 2 groups based on follow‐up duration. The therapeutic interventions included counseling, nicotine replacement therapy, buproprion, and varenicline. Smoking cessation interventions had a pooled odds ratio of 1.54 (95% confidence interval [CI], 0.909‐2.64) for patients in the shorter follow‐up group and 1.31 (95% CI, 0.931‐1.84) in the longer follow‐up group. Smoking cessation interventions in the perioperative period had a pooled odds ratio of 2.31 (95% CI, 1.32‐4.07).ConclusionOur systematic review and meta‐analysis demonstrate that tobacco cessation interventions in the oncology population, in both the short‐term and long‐term follow‐up groups, do not significantly affect cessation rates. The perioperative period, though, may represent an important teachable moment with regard to smoking cessation.
