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The effectiveness and safety of combining varenicline with nicotine e-cigarettes for smoking cessation in people with mental illnesses and addictions: study protocol for a randomised-controlled trial.
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- معلومة اضافية
- المصدر:
Publisher: BioMed Central Country of Publication: England NLM ID: 100968562 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2458 (Electronic) Linking ISSN: 14712458 NLM ISO Abbreviation: BMC Public Health Subsets: MEDLINE
- بيانات النشر:
Original Publication: London : BioMed Central, [2001-
- الموضوع:
- نبذة مختصرة :
Background: Smoking rates are higher in New Zealand (NZ) adults with mental illnesses and alcohol and other drug (AOD) addictions, compared to the overall population. Quit attempts using "gold standard" smoking cessation treatments often fail in people with these conditions, so more flexible treatment regimens that adapt to a person's responsiveness to treatment are worth investigating. The STATUS trial aims to evaluate the effectiveness and safety of combining varenicline with nicotine e-cigarettes for smoking cessation among varenicline non-responders in treatment for mental health illnesses and/or AOD addictions.
Methods: This is a pragmatic two-arm, open-label, randomised trial. Participants will be daily smokers using mental health and/or addiction services in Auckland, aged ≥18 years, motivated to quit smoking, and eligible to access varenicline through the NZ special authority process. After 2 weeks of using varenicline plus behavioural support, participants who have not reduced their daily smoking by ≥50% will be randomised (1:1) to either 10 weeks of continued varenicline use or 10 weeks of varenicline plus an 18 mg/mL nicotine e-cigarette. All participants will receive weekly withdrawal-orientated behavioural support calls for 6 weeks post-randomisation. The primary outcome is self-reported biochemically-verified (exhaled carbon monoxide) continuous abstinence at 24 weeks post-randomisation. Secondary outcomes, measured at six, 12 and 24 weeks post-randomisation include: self-reported continuous abstinence, 7-day point prevalence abstinence, smoking reduction, time to relapse, cross-over, use of other smoking cessation support, serious adverse events, treatment adherence, compliance, acceptability, dual use, continuation of treatment use, mental illness symptoms and AOD use, health-related quality of life, and cost-analysis. A sample size of 338 will confer 80% power (p = 0.05) to detect a 15% absolute difference between the varenicline alone and varenicline plus e-cigarette groups.
Discussion: People with mental illness and/or AOD addictions are just as motivated as others to quit smoking, but are less likely to succeed. Adapting smoking cessation medication after a lack of responsiveness in the first 2 weeks of initial treatment in this priority population by adding a nicotine e-cigarette may be one way to increase long-term quit rates.
Trial Registration: Australian NZ Clinical Trial Registry: ACTRN12616001355460 (29 September 2016).
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- Grant Information:
16/066 International Health Research Council of New Zealand
- Contributed Indexing:
Keywords: Addiction; E-cigarettes; Effectiveness; Electronic cigarettes; Mental illness; Randomised trial; Safety; Smoking cessation; Varenicline
- الرقم المعرف:
W6HS99O8ZO (Varenicline)
- الموضوع:
Date Created: 20180506 Date Completed: 20190320 Latest Revision: 20240314
- الموضوع:
20240314
- الرقم المعرف:
PMC5935940
- الرقم المعرف:
10.1186/s12889-018-5351-7
- الرقم المعرف:
29728074
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