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Peraza N, Bello MS, Schiff SJ, et al. Drug and alcohol dependence acute effects of pod-style e-cigarettes in vaping-naïve smokers. Drug Alcohol Depend. 2021;228:109083doi: 10.1016/j.drugalcdep.2021.109083.
Peraza, N., Bello, M. S., Schiff, S. J., Cho, J., Zhang, Y., Callahan, C., Tackett, A., & Leventhal, A. M. (2021). Drug and alcohol dependence acute effects of pod-style e-cigarettes in vaping-naïve smokers. Drug and alcohol dependence, 228109083. https://doi.org/10.1016/j.drugalcdep.2021.109083
Peraza, Natalia, et al. "Drug and alcohol dependence acute effects of pod-style e-cigarettes in vaping-naïve smokers." Drug and alcohol dependence vol. 228 (2021): 109083. doi: https://doi.org/10.1016/j.drugalcdep.2021.109083
Peraza N, Bello MS, Schiff SJ, Cho J, Zhang Y, Callahan C, Tackett A, Leventhal AM. Drug and alcohol dependence acute effects of pod-style e-cigarettes in vaping-naïve smokers. Drug Alcohol Depend. 2021 Nov 01;228:109083. doi: 10.1016/j.drugalcdep.2021.109083. Epub 2021 Sep 21. PMID: 34600262; PMCID: PMC8631487.
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Drug Alcohol Depend. 2021 Nov 01;228:109083. doi: 10.1016/j.drugalcdep.2021.109083. Epub 2021 Sep 21.

Drug and alcohol dependence acute effects of pod-style e-cigarettes in vaping-naïve smokers.

Drug and alcohol dependence

Natalia Peraza, Mariel S Bello, Sara J Schiff, Junhan Cho, Yi Zhang, Carly Callahan, Alayna Tackett, Adam M Leventhal

Affiliations

  1. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA.
  2. Department of Psychology, University of Southern California, Los Angeles, CA 90089, USA.
  3. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; Department of Psychology, University of Southern California, Los Angeles, CA 90089, USA; Institute for Addiction Science, University of Southern California, Los Angeles, CA 90033, USA. Electronic address: [email protected].

PMID: 34600262 PMCID: PMC8631487 DOI: 10.1016/j.drugalcdep.2021.109083

Abstract

BACKGROUND: This study investigated the acute effects of exposure to pod-style e-cigarettes on subjective, behavioral, and physiological outcomes indicative of the potential to encourage vaping-naïve smokers to switch to e-cigarettes.

METHODS: In a within-subject experiment, never-vaping adult smokers interested in trying e-cigarettes (n = 24) completed 4 laboratory visits following 16-hr tobacco abstinence. Visits involved controlled puffing from preferred brand cigarettes (OwnCig) or a standardized pod-style e-cigarette with either no nicotine (NoNic), nicotine freebase (NicFreebase; 0.5% nicotine concentration), or nicotine salt (NicSalt E-Cig; 2.8% concentration) solutions. Outcomes included smoking urge, mood, user experience, plasma nicotine, and a behavioral task assessing ability to delay smoking.

RESULTS: NoNic, NicFreebase, and NicSalt pod-style e-cigarettes were significantly less effective than OwnCig at reducing smoking urge and increasing plasma nicotine, positive affect, satisfying user experience ratings, and ability to delay smoking on the behavioral task. Differences among pod-style e-cigarette conditions were limited to: (a) NicFreebase (vs. NoNic) preferentially suppressed participants' urge to smoke to alleviate negative mood, (b) NicFreebase (vs. NicSalt) slightly preferentially increased plasma nicotine; and (c) NicFreebase and NicSalt (vs. NoNic) produced higher aversive user experience ratings.

CONCLUSIONS: In tobacco deprived smokers' initial vaping experience, controlled administration of certain pod-style e-cigarettes with 0.5% NicFreebase or 2.8% NicSalt may be deficient comparators to cigarettes in terms of their capacity to acutely improve mood, deliver nicotine, suppress smoking motivation, and offer a satisfying user experience. Future research is needed to test pod-style e-cigarettes with higher nicotine doses and confirm whether NicFreebase vs. NicSalt enhances nicotine absorption.

Copyright © 2021 Elsevier B.V. All rights reserved.

Keywords: E-cigarette; Nicotine formulation; Smoking; Switching

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