Efficacy and safety of pharmacological intervention for smoking cessation in smokers with diseases: A systematic review and network meta-analysis.

J Evid Based Med

Health Technology Assessment Center/Evidence-Based Social Science Research Center, School of Public Health, Lanzhou University, Lanzhou, China.

Published: December 2023

Objective: To investigate the most effective and best-tolerated drugs for treating diseased smokers.

Methods: Eight databases were searched for randomized controlled trials (RCTs) involving different pharmacological interventions for smoking cessation in disease patients (January 2023). Network meta-analysis was performed using STATA 15.1 software. The Cochrane Risk of Bias Tool assessed the risk of bias, and confidence in evidence was assessed using CINeMA.

Results: A total of 60 RCTs involving 13,009 patients of 12 disease categories were included. All trials reported 13 interventions, resulting in 78 comparisons. Network meta-analysis showed that varenicline (OR = 2.30, 95% CI (1.77, 3.00)) and bupropion (OR = 1.65, 95% CI (1.29, 2.11)) showed favorable abstinence effects compared to placebo in the cardiovascular disease population. Nicotine replacement therapy (NRT) had better withdrawal advantages than placebo (OR = 11.18, 95% CI (2.25, 55.54)) in the chronic obstructive pulmonary disease (COPD) population. Some combination treatments showed better results than monotherapy, such as bupropion + NRT was superior to bupropion (OR = 8.45, 95% CI (1.84, 38.89)) and NRT (OR = 4.98, 95% CI (1.25, 19.78)) in mental illness population. The final surface under the cumulative ranking curve indicated that bupropion + NRT achieved the best smoking cessation effect. Overall confidence in the evidence was low. In a comparison of drugs, the results showed that bupropion + NRT had the best safety.

Conclusions: Most interventions show the benefit of quitting smoking compared with placebo, including monotherapy and combination therapy. Moreover, varenicline or bupropion combined with NRT is superior to some monotherapies.

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http://dx.doi.org/10.1111/jebm.12570DOI Listing

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