Journal of Psychoactive Drugs
2026
Michelle St Pierre, Stacey Squires, Sarah Daniels et al.
The increasing acceptance of cannabis use, and policy changes in several jurisdictions has led researchers and public health experts to call for a standard cannabis dose. Standard dosing units are useful tools for regulation, substance use guidelines, data collection, consistency of research, as a means of communicating low-risk recommendations and dose-related effects, and for self-monitoring....
Psychopharmacology
October 11, 2025
Michelle St Pierre, Elena Argento, Jordyn Cates et al.
Repeated self-administration of small doses of psychedelics, known as microdosing, has been associated with perceived improvements in psychological functioning. However, few studies have examined effects at the daily level. Drawing on data from a naturalistic, prospective, international survey of adults who microdose (N = 1435), we assessed self-reported within-person changes between...
Psychedelic Medicine
September 1, 2024
Michelle St Pierre, Lucas Standing, Yarissa Herman et al.
3 citations
A core component in the provision and receipt of appropriate medical care is trust and communication between patients and physicians. The use of psychedelics for therapeutic purposes (PTPs) has experienced growing attention in the past decade and may be an increasing topic of patient-physician interactions. The stigmatization of psychedelic use may complicate this process. However, patient...
Trials
September 9, 2023
Zach Walsh, Ian Mitchell, Kim Crosby et al.
The last few decades have seen increasing interest in the use of cannabis for post-traumatic stress disorder (PTSD). Recent attempts to evaluate the clinical efficacy of cannabis for PTSD were inconclusive and generalizability was limited by undesirable features of the study drug. The present clinical trial evaluated the effects of a commercially available chemovar that was delivered by...
Journal of Psychoactive Drugs
2023
Michelle St Pierre, Sarah Daniels, Tatiana A Sanchez et al.
Lab-based studies examining the effects of cannabis administration on human behavior compromise ecological validity due to the influence of set and setting. Contextual factors of clinical settings have long been recognized as producing measurable changes in physiology, emotionality, and cognition. Among people who use drugs, these settings may be associated with higher levels of perceived...
Journal of Humanistic Psychology
October 9, 2021
Adele Lafrance, Erin Strahan, Brian M. Bird et al.
40 citations
A resurgence of research has begun to systematically examine the relationship between psychedelic use and mental health and well-being. Although preliminary findings examining the therapeutic value of these substances show promise, the mechanisms through which psychedelic use may predict reduced mental distress remain poorly understood. To this end, we surveyed a community sample of individuals...