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Tonstad, S. et al.

Tonstad, Farsang, Klaene, Lewis, Manolis, Perruchoud, Silagy, van Spiegel, Astbury, Hider, Sweet,

Bupropion SR for smoking cessation in smokers with cardiovascular disease: a multicentre, randomised study.

AIMS: To investigate the safety and efficacy of bupropion sustained release (bupropion SR) in promoting abstinence from smoking in subjects with cardiovascular disease (CVD). METHODS: Six hundred twenty-nine subjects with CVD who smoked >/=10 cigarettes/day were randomised in a double-blind, multicentre study to receive bupropion SR (150 mg twice daily) or placebo for 7 weeks, with a follow-up of 52 weeks. Primary efficacy endpoint: continuous abstinence from smoking from weeks 4 to 7. Secondary endpoints: continuous abstinence (weeks 4-12, 4-26 and 4-52) and weekly point prevalence abstinence. All participants received brief motivational support. Safety was evaluated throughout the study. RESULTS: Continuous smoking abstinence rates from weeks 4 to 7 were significantly higher in subjects receiving bupropion SR compared with placebo (43 vs. 19%, odds ratio [OR]=3.27, 95% confidence interval [CI] 2.24-4.84; P<0.001). Continuous abstinence rates from weeks 4 to 26 and 4 to 52 continued to be more than double for bupropion SR compared with placebo (27 vs. 11%; 22 vs. 9%, P<0.001). Weekly point prevalence abstinence was significantly higher for participants who received bupropion SR compared with placebo at weeks 3, 7, 26 and 52 (P<0.001). In both groups, there were no clinically significant changes in blood pressure and heart rate throughout the treatment phase. Overall, 6% of the participants (n=36) discontinued study medication due to an adverse event (bupropion SR, n=17; placebo, n=19). CONCLUSIONS: After 7 weeks of bupropion SR treatment, more than twice as many smokers with CVD had quit smoking at 1 year compared with placebo. The safety profile of bupropion SR was similar to that previously observed in general smoking populations.[1]

References

Bupropion SR for smoking cessation in smokers with cardiovascular disease: a multicentre, randomised study. Tonstad, S., Farsang, C., Klaene, G., Lewis, K., Manolis, A., Perruchoud, A.P., Silagy, C., van Spiegel, P.I., Astbury, C., Hider, A., Sweet, R. Eur. Heart J. (2003) [Pubmed]

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