Matthew Kirkpatrick, PhD

Associate Professor of Research Population and Public Health Sciences and Psychology

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Overview

Matt Kirkpatrick, PhD is an Associate Professor of Research in the Department of Population and Public Health Sciences in the Keck School of Medicine at the University of Southern California. He is the PI of the Drug Use & Behavior Laboratory (DUB Lab), which uses behavioral pharmacology, Ecological Momentary Assessment, and survey methods to focus on how drugs – including stimulants, cannabis, alcohol, and tobacco – function in social contexts, with an emphasis on how friends and family influence which drugs an individual uses, how much they use, whether or not they develop problematic use, and—if they do—whether or not they’ll be successful at quitting.

Dr. Kirkpatrick earned his B.A. in Religious Studies at the University of North Carolina at Chapel Hill and Ph.D. in Psychology at Columbia University. Dr. Kirkpatrick completed postdoctoral training in neuropsychopharmacology at the University of Chicago.

Publications

  • Adolescent and Parent Perceptions of the American College of Surgeons Safe and Effective Pain Control Brochure. J Pediatr Surg. 2025 Jul; 60(7):162331.. View in PubMed
  • Discussion of Heated Tobacco Products on Twitter Following IQOS’s Modified-Risk Tobacco Product Authorization and US Import Ban: Content Analysis. J Med Internet Res. 2024 10 24; 26:e53938.. View in PubMed
  • Sex differences in cigarette smoking following a mindfulness-based cessation randomized controlled trial. Addict Behav. 2025 01; 160:108177.. View in PubMed
  • Effects of intranasal oxytocin on cigarette withdrawal and smoking in the laboratory: Differences by sex and social functioning traits. Exp Clin Psychopharmacol. 2024 Dec; 32(6):717-727.. View in PubMed
  • Racial/ethnic minority females smoke more cigarettes after social interaction with others who smoke. J Ethn Subst Abuse. 2026 Apr-Jun; 25(2):389-406.. View in PubMed
  • Oral Nicotine Gum Discussions on Twitter: Content Analysis. Nicotine Tob Res. 2024 03 22; 26(4):503-507.. View in PubMed
  • Effects of cannabis use on cigarette smoking cessation in LGBTQ+ individuals. Psychol Addict Behav. 2024 Nov; 38(7):796-804.. View in PubMed
  • Assessing the public discourse on Twitter: Reactions to the JUUL e-cigarettes ban in the United States. Tob Induc Dis. 2024; 22.. View in PubMed
  • Characterizing Opioid Withdrawal Experiences and Consequences Among a Community Sample of People Who Use Opioids. Subst Use Misuse. 2024; 59(6):886-894.. View in PubMed
  • Adolescent and Parent Perceptions of Postoperative Opioid Use: A Qualitative, Thematic Analysis. J Pediatr Surg. 2024 Apr; 59(4):718-724.. View in PubMed