Use of Varenicline for 4 Weeks Before Quitting Smoking Decrease in Ad Lib Smoking and Increase in Smoking Cessation Rates
Use of Varenicline for 4 Weeks Before Quitting Smoking Decrease in Ad Lib Smoking and Increase in Smoking Cessation Rates
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DOI:
10.1001/archinternmed.2011.138
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发表时间:
2011-04-25
影响因子:
--
通讯作者:
Dhanji, Al-Rehan
中科院分区:
文献类型:
--
作者:
Hajek, Peter;McRobbie, Hayden J.;Dhanji, Al-Rehan
Background: The use of varenicline tartrate alleviates postquit withdrawal discomfort, but it also seems to reduce the "reward" associated with smoking. The current treatment schedule, which commences 1 week before quitting, relies primarily on the first mechanism. We set out to determine whether increasing the prequit medication period renders cigarettes less satisfying and facilitates quitting.Methods: One hundred one smokers attending a stop-smoking clinic in London, United Kingdom, were randomly allocated to receive varenicline for 4 weeks before the target quit date (TQD) or to receive placebo for 3 weeks before the TQD, followed by varenicline for 1 week before the TQD. In both groups, standard varenicline treatment was given for 3 months after the TQD. Measures included smoking satisfaction and smoke intake before quitting, urges to smoke and withdrawal discomfort after quitting, and sustained abstinence from the TQD to 3 months.Results: Varenicline preloading reduced prequit enjoyment of smoking (P=.004) and smoke intake (P