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Effects on time to lapse of switching menthol smokers to non-menthol cigarettes prior to a cessation attempt: a pilot study
  1. Michael Kotlyar1,2,
  2. Ryan Shanley3,
  3. Sheena R Dufresne1,
  4. Gretchen A Corcoran1,
  5. Kolawole S Okuyemi4,
  6. Anne M Mills1,
  7. Dorothy K Hatsukami2
  1. 1Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota, USA
  2. 2Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
  3. 3Biostatistics Core, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
  4. 4Department of Family and Preventive Medicine, University of Utah Health, Salt Lake City, Utah, USA
  1. Correspondence to Dr Michael Kotlyar, Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota, USA; kotly001{at}umn.edu

Abstract

Introduction Menthol smokers (particularly African-Americans) have lower cessation success rates than non-menthol smokers. With bans being considered on characterising menthol flavour in cigarettes, data are needed regarding how switching to non-menthol cigarettes impacts cessation measures.

Methods In this randomised pilot study, African-American menthol cigarette smokers interested in quitting smoking either continued smoking menthol cigarettes (n=60) or switched to non-menthol cigarettes (n=62) for a 1-month period prior to a cessation attempt. The primary endpoint was time to smoking lapse (ie, time from quitting until any smoking). Additional endpoints included time to smoking relapse (ie, number of days from quitting until the first of seven consecutive smoking days) and difference between groups in subjective measures.

Results After attempting to quit, the non-menthol cigarette group had indications of delayed time to lapse (HR 0.82; 95% CI 0.55 to 1.22; p=0.33) and time to relapse (HR 0.67; 95% CI 0.42 to 1.06; p=0.09), although these were not statistically significant. Post hoc analyses suggest that observed differences were largely due to a smaller proportion of participants in the non-menthol group relapsing within the first day of quitting (21% vs 40%; p=0.05). Values of other measures assessed postcessation were largely similar between groups.

Conclusions These data suggest that among African-American smokers, a menthol cigarette ban would not undermine short-term cessation measures and may result in some benefits. Future research is needed to assess longer term cessation rates and to identify interventions to maximise cessation success in the event of a menthol ban.

Trial registration number NCT02342327.

  • cessation
  • nicotine
  • priority/special populations
  • public policy
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Footnotes

  • Contributors This study was designed by MK, RS, KSO and DKH. The research was performed by MK, SRD, GAC and AMM. Statistical analysis was performed by RS. The manuscript was written by MK and RS with all authors reviewing and contributing to the final version of manuscript.

  • Funding Supported by ClearWay Minnesota grant #2014-0010 and grants #UL1TR000114 and UL1TR002494 from the National Center for Advancing Translational Sciences of the National Institutes of Health.

  • Disclaimer The content is solely the responsibility of the authors and does not necessarily represent the official views of ClearWay Minnesota or the National Institutes of Health.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Ethics approval This study was approved by the University of Minnesota Institutional Review Board.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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