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Related Experiment Videos

Nicotine replacement therapy for smoking cessation.

C Silagy1, T Lancaster, L Stead

  • 1Monash Institute of Public Health, Monash Medical Centre, Locked Bag 29, Clayton, Victoria, Australia, 3168. chris.silagy@med.monash.edu.au

The Cochrane Database of Systematic Reviews
|November 1, 2001
PubMed
Summary
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See all related articles

Nicotine replacement therapy (NRT) effectively aids smoking cessation, doubling quit rates across various forms like gum and patches. Support intensity and setting do not significantly impact NRT effectiveness.

Area of Science:

  • Addiction Medicine
  • Pharmacology
  • Public Health

Background:

  • Nicotine replacement therapy (NRT) aims to reduce withdrawal symptoms during smoking cessation.
  • It replaces nicotine from cigarettes, helping smokers resist cravings.

Purpose of the Study:

  • To evaluate the effectiveness of various NRT forms (gum, patches, nasal spray, inhalers, tablets) for smoking abstinence or reduction.
  • To assess the influence of clinical setting, NRT dosage/form, and support intensity on effectiveness.
  • To compare combination NRT and NRT against other pharmacotherapies.

Main Methods:

  • Systematic review of randomized controlled trials comparing NRT to placebo or no treatment.
  • Searched Cochrane Tobacco Addiction Group trials register (April 2001).

Related Experiment Videos

  • Included trials with follow-up ≥6 months and reported cessation rates; meta-analysis used a fixed-effects model.

    • Main Results:

    • NRT demonstrated a 1.73 odds ratio for abstinence compared to controls.
    • Effectiveness varied by NRT form: nasal spray (2.27), inhaler (2.08), patches (1.76), gum (1.66), sublingual tablet (1.73).
    • Bupropion was more effective than nicotine patch or placebo in one comparative study.

    Conclusions:

    • All commercially available NRT forms are effective in promoting smoking cessation, approximately doubling quit rates.
    • NRT effectiveness is largely independent of support intensity or clinical setting.
    • Bupropion shows promise as a potentially more effective alternative, warranting further research.