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Related Experiment Videos

Oral nicotine solution for smoking cessation: a pilot tolerability study.

E C Westman1, K F Tomlin, C E Perkins

  • 1Smoking Research Laboratory and Nicotine Research Program, Duke University and Durham VA Medical Centers, Department of Medicine, Duke University, North Carolina 27705, USA. ewestman@duke.edu

Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco
|November 6, 2001
PubMed
Summary

This study found oral nicotine solution tolerable for smoking cessation. It provided nicotine replacement, with abstinence rates up to 28% at 4 weeks, suggesting potential for quitting.

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Area of Science:

  • Pharmacology
  • Addiction Medicine
  • Public Health

Background:

  • Smoking cessation remains a significant public health challenge.
  • Nicotine replacement therapy (NRT) is a cornerstone of smoking cessation interventions.
  • Novel delivery systems for NRT are needed to improve adherence and efficacy.

Purpose of the Study:

  • To assess the preliminary tolerability of an oral nicotine solution for smoking cessation.
  • To evaluate nicotine and cotinine levels in participants using the oral nicotine solution.
  • To determine preliminary abstinence rates in a smoking cessation trial using oral nicotine solution.

Main Methods:

  • An open-labeled trial involving 25 healthy volunteers motivated to quit smoking.
  • Participants received oral nicotine solution for 12 weeks with minimal behavioral support.

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  • Abstinence was verified by self-report and exhaled carbon monoxide (CO) levels (<10 ppm).

    • Main Results:

    • The oral nicotine solution was well tolerated across various beverages and concentrations (0.25-10 mg nicotine base).
    • Mean venous nicotine and serum cotinine levels indicated adequate nicotine replacement.
    • Point prevalence abstinence rates were 28.0% at 4 weeks, 24.0% at 3 months, and 20.0% at 6 months.

    Conclusions:

    • Oral nicotine solution is a tolerable method for nicotine replacement in smoking cessation.
    • The observed nicotine and cotinine levels suggest potential efficacy for smoking cessation.
    • Further research, including controlled trials, is warranted to optimize dosage, beverage mixtures, and assess efficacy.