Publications

January 13, 2026

Clinical factors linked to xylazine exposure in emergency department patients with illicit opioid overdose

Jennifer S. Love, Carmen Vargas-Torres, Kim Aldy, Jeffrey Brent, Paul Wax, Rachel Culbreth, Alex Krotulski, Sharan Campleman, Barry Logan, Stephanie Abston, Shao Li, Alex F. Manini, on behalf of the Fentalog Study Group

Addiciton

December 15, 2025

Relationship of Ethanol, Cannabinoids, Benzodiazepines, and Opioids to Serious Injuries from Falls in Adults Aged 55 and older

Kavita M Babu, Yara K Haddad, Alex J Krotulski, Shakiera T Causey, Carmen C Vargas-Torres, Patricia Mae Martinez, Elizabeth M Goldberg, Jon D Dorfman, Morgan Bailey, Brittany P Chapman, Powell Graham, Jeffrey T Lai, Riyadh Saif, Romanda Elhoussan, Arlet Capeta Romero, Ricardo Londoño-Barreras, Sara E Walton, Dennis D Thomas, Barry K Logan, Roland C Merchant

The Journal of Emergency Medicine

November 15, 2025

Pharmacodynamic effects and plasma pharmacokinetics of N,N-dimethyltryptamine after intranasal versus subcutaneous administration in male rats

Michael H. Baumann, Grant C. Glatfelter, Sara E. Walton, Alex J. Krotulski, Christopher G. Witowski, Jacqueline L. von Salm

Psychopharmacology

November 11, 2025

Emerging Threat of Xylazine

Kyla M Jorgenson, Robert A Middleberg, Brandy L Young, Alex J Krotulski, Nicholas E Nacca, Tanzy M Love, Joshua Marvald, Rachel Becker, Marilyn A Huestis, Y Victoria Zhang

Clinical Chemistry

October 21, 2025

Rapid LC–QTOF–MS screening method for semi-synthetic cannabinoids in whole blood

Willi Schirmer, Sara E Walton, Wolfgang Weinmann, Stefan Schürch, Barry K Logan, Alex J Krotulski

Journal of Analytical Toxicology

October 15, 2025

Behavioural Effects and Naloxone Effectiveness With New Synthetic Opioids

Suzanne Nielsen, João Pedro Silva, Jermaine D. Jones, Alex Krotulski, Dilkushi Poovendran, Deusdedit Muzangizi, Gilles Forte, Jason White, Sandra D. Comer

Drug and Alcohol Review

August 12, 2025

Drug-facilitated Crime: A Review of Findings Between 2019 and 2023

Meaghan R Hessler, Sherri L Kacinko, Barry K Logan

July 23, 2025

Exposures to synthetic cathinones, fentanyl, and xylazine among nightclub attendees in New York City, 2024

Joseph J. Palamar, Nina Abukahok, Patricia Acosta, Sara E. Walton, Brianna Stang, Alex J. Krotulski

Drug and Alcohol Dependence

July 12, 2025

Detected substances among patients with confirmed bromazolam exposure who present to the emergency department following a suspected opioid and/or stimulant-related non-fatal overdose

Alyssa M. Falise, Amanda Sutphin, Rachel Culbreth, Kim Aldy, Keith Burkhart, Jeffrey Brent, Sharan L. Campleman, Hannah Day, Aprielle Wills, Alex Krotulski, Paul Wax, On Behalf of the ToxIC DOTS Study Group

Drug and Alcohol Dependence

July 9, 2025

“Do It Yourself” Synthetic Cannabinoid Receptor Agonist Precursors as a Ban-Evading Strategy: Comparison of the Pharmacological Characteristics of Precursors and Their Final Products

Marie H. Deventer, Alex J. Krotulski, Christophe P. Stove

Drug Testing and Analysis