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  • Title: Nicotine lozenge efficacy in light smokers.
    Author: Shiffman S.
    Journal: Drug Alcohol Depend; 2005 Mar 07; 77(3):311-4. PubMed ID: 15734231.
    Abstract:
    BACKGROUND: Nicotine replacement therapy (NRT) has been proven to be effective in heterogeneous groups of smokers. However, analyses have not specifically examined efficacy among light smokers (< or =15 cigarettes per day). The objective of this study is to assess the efficacy of a nicotine lozenge in light smokers. METHODS: We conducted a secondary analysis of a randomized, placebo-controlled clinical trial contrasting active 2mg nicotine lozenge with placebo, and contrasting light smokers (< or =15 cigarettes per day) with moderate-heavy smokers (>15 cigarettes per day). Participants were 917 smokers who smoked their first cigarette >30 min after waking, and were randomized to active (n = 459) or placebo (n = 458) lozenge. Biochemically verified continuous abstinence was measured at 6 weeks and 1 year. RESULTS: Nicotine lozenge significantly increased quit rates relative to placebo at 6 weeks (45.7% versus 31.1%; OR = 1.9 [1.3-2.8]) and at 1 year (19.2% versus 10.0%; OR = 2.3 [1.3-4.0]) among light smokers. Efficacy among light smokers did not differ from that among heavier smokers (ps>0.50). CONCLUSION: The nicotine lozenge is effective for light smokers.
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