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Jack Freestone

4 papers in the library · 1 citation · publishing 2026

Papers

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Through the Looking-Glass: A Scoping Review of Psychological Mechanisms of Psychedelic-Assisted Therapy for Substance Use Disorders

Current Addiction Reports September 2, 2026 Kathryn Fletcher, Jack Freestone, Nadine Ezard et al.

Abstract Purpose of Review Psychedelic-assisted therapy (PAT) has re-emerged as a potential intervention for substance use disorders (SUDs), yet the psychological mechanisms underlying behaviour change remain poorly synthesised. This scoping review mapped and evaluated proposed psychological processes underpinning PAT in adults with SUDs. Recent Findings Peer-reviewed English-language empirical...

Navigating ‘k-land’: a qualitative exploration of participants’ experiences of ketamine-assisted psychotherapy for methamphetamine use disorder

Frontiers in Psychiatry June 24, 2026 Kathryn Fletcher, Nadine Ezard, Krista J. Siefried et al.

Background Methamphetamine use disorder (MAUD) is associated with substantial psychiatric and physical morbidity, and current treatment options remain limited. Ketamine-assisted psychotherapy (KAP) has shown promise in substance use disorders, but little is known about how individuals experience and interpret this intervention, particularly in MAUD. Qualitative investigation may provide insight...

Exploring the Utility and Appropriateness of Dose Thresholds for Issuing of Public Drug Alerts on High-Dose MDMA: A Qualitative Study.

Drug and Alcohol Review March 1, 2026 Jack Freestone, Harriet MacDonald, Stassi Kypri et al.

Drug alerts are sometimes issued when samples are found to exceed a pre-determined dose threshold. In Australia, it is common for alerts to be issued when MDMA pills contain ≥ 150 mg of MDMA free-base or 179 mg hydrochloride. Nineteen such alerts were issued in Australia in 2024, raising concerns that repeat alerts may lose impact over time. This study examined experts' viewpoints on the...

'A fine line between euphoria and death': a qualitative study exploring gamma-hydroxybutyrate (GHB) use among people who identify as heterosexual living in Australia.

Harm Reduction Journal February 6, 2026 Keaton Hudson-Buhagiar, Jonathan Brett, Alanah Spillane et al. 1 citation

Harms associated with gamma-hydroxybutyrate (GHB) use have increased recently in Australia. However, research predominantly focuses on the experience of GHB use among LGBTQ + populations. Non-prescribed GHB use has not been well described in heterosexual populations. Research to examine the experience of heterosexual people, including motivations for use, experiences of harms, and utilisation...