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Ian Colman

2 papers in the library · 1 citation · publishing 2026

Papers

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Changes over time in hallucinogen-related emergency department visits in Ontario, Canada.

Addiction (Abingdon, England) July 1, 2026 Daniel T. Myran, Rachael MacDonald-Spracklin, Alexander R Levesque et al.

Recent increasing interest in hallucinogens has underscored the critical gaps in our understanding of their adverse health effects and healthcare usage over time. The current study aimed to examine changes in emergency department (ED) visit rates involving hallucinogens, clinical outcomes of visits and the characteristics of individuals with ED visits involving hallucinogens. Repeated...

Sex differences in placebo and antidepressant response to intranasal esketamine for treatment-resistant depression

Molecular Psychiatry February 18, 2026 Marie Huc, Sara Siddiqi, Mysa Myers et al. 1 citation

Esketamine has emerged as a fast-acting antidepressant option for individuals with treatment-resistant depression (TRD). Yet, little is known about how sex-assigned-at-birth shapes symptom-specific responses to these interventions, a critical gap in the move toward precision psychiatry. To address this gap, we conducted a pooled analysis of five randomized, double-blind, placebo-controlled...