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Randomized Controlled Trial
. 2011 Mar;20(1):28-39.
doi: 10.1002/mpr.328.

Smoking cessation in primary care - a randomized controlled trial of bupropione, nicotine replacements, CBT and a minimal intervention

Hans-Ulrich Wittchen  1 , Eva Hoch, Jens Klotsche, Stephan Muehlig
Affiliations
Randomized Controlled Trial

Smoking cessation in primary care - a randomized controlled trial of bupropione, nicotine replacements, CBT and a minimal intervention

Hans-Ulrich Wittchen et al. Int J Methods Psychiatr Res. 2011 Mar.

Abstract

Background/aims: Smoking cessation has been shown to be effective in randomized controlled trials. It is unclear though, whether interventions also work in routine primary care.

Methods: In 167 primary care settings we conducted a randomized four-armed smoking cessation trial to examine the efficacy of a minimal intervention (MI; n = 81), cognitive-behavioral therapy (CBT; n = 175), bupropion (BUP; n = 108) and nicotine replacements (NRT; n = 103). Overall, 467 current smokers were enrolled. Abstinence rates at the end of treatment (12 weeks) were 32.8% for MI patients, 34.8% for CBT, 35.3% for NRT, and 46.5% for BUP patients (ITT, intention to treat) (no differential effects). Retention rates were highest in the BUP group (59.3%) and lowest in the NRT group (50.5%). Completer findings were: MI, 56.4%; CBT, 64%; BUP, 79.3%; NRT, 69.2% (LOCF, lost to follow-up). No serious adverse events occurred during or after the medication phase. At 12-month follow-up continuous abstinence rates were: BUP, 29.0%; CBT, 20.9%; NRT, 29.6%; MI, 29.6%.

Conclusion: Our findings suggest that established smoking cessation treatments are effective when applied by non-specialist primary care physicians. Our data supports a structured, multimodal treatment structure as core ingredient of successful smoking cessation in primary care.

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Figures

Figure 1
Figure 1
Flow diagram of the progress through the phases of the trial.
Figure 2
Figure 2
Intervention and assessment schedule.
Figure 3
Figure 3
Change in abstinence rates (%) in the intervention groups from baseline to 12‐weeks post‐assessment.
See this image and copyright information in PMC

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