A Randomized Placebo-Controlled Clinical Trial of 5 Smoking Cessation Pharmacotherapies
A Randomized Placebo-Controlled Clinical Trial of 5 Smoking Cessation Pharmacotherapies
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DOI:
10.1001/archgenpsychiatry.2009.142
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发表时间:
2009-11-01
影响因子:
--
通讯作者:
Baker, Timothy B.
中科院分区:
文献类型:
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作者:
Piper, Megan E.;Smith, Stevens S.;Baker, Timothy B.
Context: Little direct evidence exists on the relative efficacies of different smoking cessation pharmacotherapies, yet such evidence is needed to make informed decisions about their clinical use.Objective: To assess the relative efficacies of 5 smoking cessation pharmacotherapy interventions using placebo-controlled, head-to-head comparisons.Design: A randomized, double-blind, placebo-controlled clinical trial.Setting: Two urban research sites.Patients: One thousand five hundred four adults who smoked at least 10 cigarettes per day during the past 6 months and reported being motivated to quit smoking. Participants were excluded if they reported using any form of tobacco other than cigarettes; current use of bupropion; having a current psychosis or schizophrenia diagnosis; or having medical contraindications for any of the study medications.Interventions: Participants were randomized to 1 of 6 treatment conditions: nicotine lozenge, nicotine patch, sustained-release bupropion, nicotine patch plus nicotine lozenge, bupropion plus nicotine lozenge, or placebo. In addition, all participants received 6 individual counseling sessions.Main Outcome Measures: Biochemically confirmed 7-day point-prevalence abstinence assessed at 1 week after the quit date (postquit), end of treatment (8 weeks postquit), and 6 months postquit. Other outcomes were initial cessation, number of days to lapse, number of days to relapse, and latency to relapse after the first lapse.Results: All pharmacotherapies differed from placebo when examined without protection for multiple comparisons (odds ratios, 1.63-2.34). With such protection, only the nicotine patch plus nicotine lozenge (odds ratio, 2.34, P