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Grant Details

Grant Number: 1R01CA287721-01A1 Interpret this number
Primary Investigator: Evins, A
Organization: Massachusetts General Hospital
Project Title: Remote, Young Adult Lay-Counselor Delivered Behavioral and Digital Intervention for Youth to Promote Vaping Cessation and Prevent Escalation of Tobacco Use
Fiscal Year: 2024


Abstract

PROJECT SUMMARY/ABSTRACT While tobacco smoking has declined dramatically among adolescents and is now almost rare, the prevalence of electronic nicotine delivery device (ENDS, nicotine vaping) use has risen rapidly, fueled by social media promotion, innovative product engineering, and advertising, and effectively reversing five decades of progress in youth tobacco control. The increase in high school vaping from 2017-18 was the largest one-year increase in any substance used over the 44 years that Monitoring the Future has tracked adolescent substance use. In 2019, 26% of U.S. high school seniors reported past month vaping, a 5% increase from 2018, with the sharpest inflection in vaping initiation at around age 16. Most youth who initiate ENDS use have never smoked tobacco; however, nicotine vaping is associated with subsequent initiation of tobacco smoking. This is of high public health importance because high school aged adolescents are in the developmental period with the highest lifetime vulnerability for drug use to progress to entrenched addictive patterns. Thus ENDS use puts adolescents at high risk for nicotine addiction, escalation to entrenched combusted tobacco, multiple tobacco product, and other drug addiction, in addition to negative health effects of vapor exposure. Recent surveys indicate that over half of adolescents who vape nicotine want to quit, but there are no known effective treatments to aid the millions of U.S. adolescents who have begun to vape nicotine to quit. There is growing consensus that effective interventions are needed for adolescents with pre-addiction, operationalized as mild to moderate substance use disorder, with the rationale that early interventions could prevent escalation to often lifelong patterns of drug use. Thus, here we propose to enroll adolescents with at least once weekly vaping in the past month, whose mild severity of use would exclude them from most cessation clinical trials. Because vaping has become so prevalent in high schools at a time of unprecedented behavioral health workforce shortage, effective interventions that are scalable into school and community settings are needed. We designed QuitVaping to be a fully remote, digital and behavioral intervention, grounded in Cognitive Behavioral, Social Cognitive and Dissonance Theory to be developmentally appropriate for mid and late adolescent tobacco vaping cessation. QuitVaping is delivered over twelve 20-minute sessions by young adult lay counselors. QuitVaping has high satisfaction ratings, retention, and abstinence rates in preliminary testing in adolescents with established nicotine dependence. Here we propose to test QuitVaping to promote nicotine vaping cessation in youth who vape as little as at least once a weekly, and thus are at risk for progression along the spectrum of addictive disorders, with no, mild or moderate dependence on vaped nicotine, thus meeting criteria for pre-addiction. To maximize generalizability, the trial will have few exclusion criteria for subsyndromal psychiatric and substance use disorder (SUD) symptoms but will exclude and refer for clinical care those with any severe SUD. To do so, we propose to enroll 300 adolescents, ages 14-18, from high school and community settings, who are willing to try to quit vaping, into a double-blind, parallel group, intent- to-treat trial of the effect of QuitVaping vs Enhanced Usual Care (psychoeducation, advice to quit, and referral to a free texting-based support, This is Quitting (TIQ)) on abstinence from ENDS, other tobacco use, and other drug use at the end of 12 weeks of treatment and 6-month follow up. Adherence and retention, well- documented challenges in adolescent smoking cessation trials, will be incentivized and supported with the innovative Emocha smartphone application that will deliver session reminders and collect daily vaping data. This proposal is innovative and responsive to urgent and growing requests for tobacco vaping cessation treatments from adolescents, their families, and schools. Positive results will define an effective, affordable, scalable intervention that can be deployed in homes, schools, and clinical settings to combat the rapidly resurgent epidemic of youth tobacco use.



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