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Published on: August 6, 2013
Combining varenicline preloading with Acceptance and Commitment Therapy (ACT) in persons with serious mental illness
Robert M Anthenelli1, Benjamin S McKenna2, Jillian Giannini1
1Pacific Treatment and Research Center, Department of Psychiatry, University of California, San Diego, 3252 Holiday Court, Suite 200, La Jolla, CA 92037, United States.
Background:
People with serious mental illness (SMI; bipolar [BD] or schizophrenia spectrum disorders [SSD]) who smoke have 30-60% lower odds of quitting and are more prone to experience neuropsychiatric adverse events (NPSAEs) when quitting than smokers without SMI. We pilot-tested the feasibility of combining two different dosing strategies of varenicline preloading with Acceptance and Commitment Therapy (ACT) in persons with SMI in an attempt to bolster quit rates without increasing NPSAEs.
Methods:
Twelve-week, single center, randomized, double-blind, pilot feasibility trial of low (0.5mg twice daily, slower titration) versus standard dose (1.0mg twice daily, standard titration) varenicline in persons with BD or SSD with a 12-week follow-up. All participants received up to 10 sessions of ACT for smoking cessation. Participants were asked to preload with varenicline while still smoking and set a flexible target quit day (TQD) by day 35.
Results:
Recruitment was hampered by shutdowns related to COVID-19 and the worldwide varenicline recall, respectively. Retention goals were met. Treatment satisfaction was high across both dosing and diagnostic groups. Most participants (92.9%) adhered to preloading instructions and the flexible TQD. Seven-day point prevalence abstinence at week 12 was highest in BD participants (37.5%) but lowest in SSD participants (16.7%) who received the standard dose. Medication was well tolerated.
Conclusions:
Although recruitment was hindered by unanticipated world events, feasibility was demonstrated. Participants adhered to and were highly satisfied with the combination of pre-cessation varenicline plus ACT. Findings support testing this combined treatment approach in a fully powered trial of persons with BD who smoke.
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