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Related Experiment Videos

Nicotine replacement therapy during pregnancy.

G Koren1

  • 1Hospital for Sick Children, Toronto.

Canadian Family Physician Medecin De Famille Canadien
|November 29, 2001
PubMed
Summary

Nicotine patch therapy for smoking cessation during pregnancy shows low quit rates, similar to placebo. Rapid nicotine metabolism may hinder quitting success in some women.

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Area of Science:

  • Obstetrics and Gynecology
  • Addiction Medicine
  • Pharmacology

Background:

  • Nicotine replacement therapy (NRT) has been considered for pregnant smokers.
  • Previous recommendations supported NRT use during pregnancy.
  • Evidence on the efficacy of nicotine patches for pregnant women is needed.

Purpose of the Study:

  • To evaluate the effectiveness of nicotine patches in helping pregnant women quit smoking.
  • To compare nicotine patch efficacy against a placebo in a pregnant population.

Main Methods:

  • A large-scale, randomized, blinded study was conducted in Denmark.
  • Participants were pregnant women who smoked.
  • Nicotine patches were administered to one group, and placebo patches to another.

Main Results:

  • The rate of smoking cessation during pregnancy was very low in the nicotine patch group.
  • There was no statistically significant difference in quit rates between the nicotine patch group and the placebo group.
  • Preliminary findings indicate rapid nicotine metabolism in women unable to quit after the first trimester.

Conclusions:

  • The nicotine patch does not appear to be an effective smoking cessation aid for pregnant women.
  • Rapid nicotine metabolism may be a contributing factor to the low success rate of NRT in this population.
  • Further research is warranted to understand the mechanisms of nicotine metabolism and its impact on smoking cessation in pregnancy.

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