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Study finds differing treatment options for women smokers

Date:
July 13, 2016
Source:
City College of New York
Summary:
A new study has found important differences between women and men in their ability to quit smoking when taking medications commonly prescribed to help smokers quit.
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A new study led by Assistant Medical Professor Philip Smith of The City College of New York's Sophie Davis Biomedical Education/CUNY School of Medicine, and conducted in collaboration with researchers at Yale University and Yeshiva University, found important differences between women and men in their ability to quit smoking when taking medications commonly prescribed to help smokers quit.

The study, "Sex Differences in Smoking Cessation Pharmacotherapy Comparative Efficacy: A Network Meta-analysis," which reviewed and analyzed evidence from over 14,000 cigarette smokers participating in 28 clinical trials for nicotine patch, varenicline and bupropion, found that across the trials women who were given varenicline were much more likely to quit smoking than women who were given nicotine patch or bupropion. By contrast, among men there were no differences in the likelihood of successfully quitting smoking when given varenicline, bupropion or nicotine patch.

While the study found that all three medications helped both women and men quit when compared to placebo, the difference was in the relative benefit of the three medications. Clinical trial data consistently show that taking medications can help smokers quit. Some may help more than others, and for women the best choice may be varenicline.

"Before our study, research had shown that among the choices for medications for smokers who wanted to quit, varenicline was the clear winner when it came to promoting quitting," said Smith. "Our study shows this is clearly the case for women. The story seems less clear among men, who showed less of a difference when taking any of the three medications."

Roughly one in six adults in the United States smokes cigarettes, which contributes to over 550,000 deaths per year in the U.S. Currently, three types of medications approved by the U.S. Food and Drug Administration can be prescribed to help smokers quit: nicotine replacement therapies, which include the nicotine patch and nicotine gum; varenicline, which is manufactured by Pfizer and sold as Chantix in the United States; and bupropion, which is manufactured by GlaxoSmithKline and sold as Wellbutrin or Zyban.

The study appears in the journal Nicotine & Tobacco Research.


Story Source:

Materials provided by City College of New York. Note: Content may be edited for style and length.


Journal Reference:

  1. Sherry A. McKee, Philip H. Smith, Mira Kaufman, Carolyn M. Mazure, Andrea H. Weinberger. Sex Differences in Varenicline Efficacy for Smoking Cessation: A Meta-Analysis. Nicotine & Tobacco Research, 2016; 18 (5): 1002 DOI: 10.1093/ntr/ntv207

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City College of New York. "Study finds differing treatment options for women smokers." ScienceDaily. ScienceDaily, 13 July 2016. <www.sciencedaily.com/releases/2016/07/160713105742.htm>.
City College of New York. (2016, July 13). Study finds differing treatment options for women smokers. ScienceDaily. Retrieved March 27, 2017 from www.sciencedaily.com/releases/2016/07/160713105742.htm
City College of New York. "Study finds differing treatment options for women smokers." ScienceDaily. www.sciencedaily.com/releases/2016/07/160713105742.htm (accessed March 27, 2017).