Cited by 380Smoking Behavior and CessationNicotinic Acetylcholine Receptors StudySubstance Abuse Treatment and Outcomes

Efficacy and safety of the novel selective nicotinic acetylcholine receptor partial agonist, varenicline, for smoking cessation

Oncken, Cheryl·2006·Archives of Internal Medicine

Abstract

BACKGROUND: The selective nicotinic acetylcholine receptor partial agonist, varenicline tartrate, represents a novel type of therapy for smoking cessation. This study evaluated the efficacy, safety, and tolerability of 4 varenicline dose regimens, 2 with progressive dosing over the first week (eg, titrated) and 2 with a fixed dosing schedule (eg, non-titrated), for promoting smoking cessation. METHODS: This multicenter, double-blind, placebo-controlled study randomized healthy smokers (aged 18-65 years) to varenicline tartrate, 0.5 mg twice daily nontitrated (n = 129), 0.5 mg twice daily titrated (n = 130), 1.0 mg twice daily nontitrated (n = 129), 1.0 mg twice daily titrated (n = 130), or placebo (n = 129) for 12 weeks to aid in smoking cessation. A 40-week follow-up period assessed long-term efficacy. The primary efficacy measures were the carbon monoxide-confirmed 4-week continuous quit rates by pooled dosage group for weeks 4 through 7 and 9 through 12 and the continuous abstinence rates for weeks 9 through 52. RESULTS: Weeks 9 through 12 continuous quit rates were greater in the 1.0-mg group (49.4%) and the 0.5-mg group (44.0%) vs placebo (11.6%; P<.001 vs both doses). Weeks 9 through 52 abstinence rates were greater in the 1.0-mg group (22.4%; P<.001) and the 0.5-mg group (18.5%; P<.001) vs placebo (3.9%). Varenicline was generally well tolerated, with nausea occurring in 16% to 42% of varenicline-treated subjects. Reports of nausea were lower for the titrated vs nontitrated dosing and infrequently led to medication discontinuation. CONCLUSION: Varenicline tartrate, 0.5 mg and 1.0 mg twice daily, is efficacious for smoking cessation.

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Crossref · 10.1001/archinte.166.15.1571

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  • Clinical efficacy trials show that varenicline reduces smoking reward during a lapse.

    “These trials document treatment-related reductions in smoking urges and withdrawal-related negative affect (4, 5, 9), as well as reduced smoking reward during a lapse (10).”
  • In a recent trial, 7-day point prevalence abstinence at week 52 was 37% for varenicline vs 8% for placebo.

    “The 7-day point prevalence was 37% vs. 8%, respectively at week 52 (108).”

    From Tobacco addiction (2008) · cites this paper as [108]

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Authors
Oncken, C.
Affiliations
UConn Health (US)
Corresponding author
Oncken, Cheryl
Venue
Archives of Internal Medicine
Published
2006-08-14
Volume
166
Issue
15
Pages
1571
ISSN
0003-9926 (ISSN-L)
OpenAlex
W2113308458
Cited by
380
References
14
Citations by year
2026: 2 · 2025: 5 · 2024: 7 · 2023: 8 · 2022: 4 · 2021: 9 · 2020: 13 · 2019: 7 · 2018: 13 · 2017: 9 · 2016: 15 · 2015: 28 · 2014: 23 · 2013: 17 · 2012: 28
FWCI
26.09
Type
journal article
Language
en
Open access
closed
Locations
  • Archives of Internal Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
Keywords
varenicline, smoking cessation, dose titration, abstinence rates, nausea, drug safety, nicotine dependence
MeSH terms
Varenicline, Adolescent, Adult, Aged, Benzazepines, Double-Blind Method, Female, Humans, Male, Middle Aged, Quinoxalines, Tobacco Use Disorder, Smoking Cessation, Treatment Outcome, Nicotinic Agonists, Nicotinic Antagonists

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