OBJECTIVES: To determine whether use of an oral nicotine inhaler can result in long term reduction in smoking and whether concomitant use of nicotine replacement and smoking is safe. DESIGN: Double blind, randomised, placebo controlled trial. Four month trial with a two year follow up. SETTING:Two university hospital pulmonary clinics in Switzerland. PARTICIPANTS: 400 healthy volunteers, recruited through newspaper advertisements, willing to reduce their smoking but unable or unwilling to stop smoking immediately. INTERVENTION: Active or placebo inhaler as needed for up to 18 months, with participants encouraged to limit their smoking as much as possible. MAIN OUTCOME MEASURES: Number of cigarettes smoked per day from week six to end point. Decrease verified by a measurement of exhaled carbon monoxide at each time point compared with measurement at baseline. RESULTS: At four months sustained reduction of smoking was achieved in 52 (26%) participants in the active group and 18 (9%) in the placebo group (P<0.001; Fisher's test). Corresponding figures after two years were 19 (9.5%) and 6 (3.0%) (P=0.012). CONCLUSION:Nicotine inhalers effectively and safely achieved sustained reduction in smoking over 24 months. Reduction with or without nicotine substitution may be a feasible first step towards smoking cessation in people not able or not willing to stop abruptly.
RCT Entities:
OBJECTIVES: To determine whether use of an oral nicotine inhaler can result in long term reduction in smoking and whether concomitant use of nicotine replacement and smoking is safe. DESIGN: Double blind, randomised, placebo controlled trial. Four month trial with a two year follow up. SETTING: Two university hospital pulmonary clinics in Switzerland. PARTICIPANTS: 400 healthy volunteers, recruited through newspaper advertisements, willing to reduce their smoking but unable or unwilling to stop smoking immediately. INTERVENTION: Active or placebo inhaler as needed for up to 18 months, with participants encouraged to limit their smoking as much as possible. MAIN OUTCOME MEASURES: Number of cigarettes smoked per day from week six to end point. Decrease verified by a measurement of exhaled carbon monoxide at each time point compared with measurement at baseline. RESULTS: At four months sustained reduction of smoking was achieved in 52 (26%) participants in the active group and 18 (9%) in the placebo group (P<0.001; Fisher's test). Corresponding figures after two years were 19 (9.5%) and 6 (3.0%) (P=0.012). CONCLUSION:Nicotine inhalers effectively and safely achieved sustained reduction in smoking over 24 months. Reduction with or without nicotine substitution may be a feasible first step towards smoking cessation in people not able or not willing to stop abruptly.
Authors: P Paoletti; E Fornai; F Maggiorelli; R Puntoni; G Viegi; L Carrozzi; A Corlando; G Gustavsson; U Säwe; C Giuntini Journal: Eur Respir J Date: 1996-04 Impact factor: 16.671
Authors: R P Murray; W C Bailey; K Daniels; W M Bjornson; K Kurnow; J E Connett; M A Nides; J P Kiley Journal: Chest Date: 1996-02 Impact factor: 9.410
Authors: David Moher; Sally Hopewell; Kenneth F Schulz; Victor Montori; Peter C Gøtzsche; P J Devereaux; Diana Elbourne; Matthias Egger; Douglas G Altman Journal: BMJ Date: 2010-03-23
Authors: Laura MacPherson; David R Strong; Christopher W Kahler; Ana M Abrantes; Susan E Ramsey; Richard A Brown Journal: Nicotine Tob Res Date: 2007-12 Impact factor: 4.244