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Philip Todd Korthuis

11 papers in the library · 64 citations · publishing 2023-2026

Papers

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Safety in an Evolving Psychedelic Landscape: Knowledge and Use of Psilocybin Safety Strategies, Resources, and Support in a Naturalistic Oregon Sample

Psychedelics October 1, 2026 Christina Chwyl, Kim Hoffman, Jason B. Luoma et al.

Background Real-world psilocybin use outpaces evidence-based guidance and accessible professional support; understanding psilocybin safety strategy and resource utilization is important for informing education and dissemination initiatives. Methods This qualitative study explored the perspectives of Oregon residents ( N = 31) who plan to/have used psilocybin, employing thematic analysis of...

Bridging veteran psychedelic peer expertise with research and clinical care: Peer Readiness and Education for Psychedelic Practice (PREPP) workshop

Psychedelics August 13, 2026 Stephanie R. Rodriguez, PSS Daniel Friedrich, Kim Hoffman et al.

Psychedelics have been researched for decades, yet clinical investigations represent only a small fraction of their use. Some states have launched supervised psychedelic wellness services, outpacing controlled trials in the numbers of participants served. Veterans are key advocates for legal therapeutic access to psychedelics, seeking options through grassroots veteran-run organizations that...

Prevalence of Potential Contraindications and Risk Factors Relevant to MDMA-Assisted Therapy Among U.S. Veterans with Posttraumatic Stress Disorder

Journal of Psychoactive Drugs August 5, 2026 Catherine S. Hwang, David C. Cameron, Allison O’Neill et al.

3,4-methylenedioxymethamphetamine (MDMA)-assisted therapy has emerged as a potential strategy to treat posttraumatic stress disorder (PTSD). We conducted a national serial cross-sectional study of U.S. Veterans with PTSD from January 1, 2018, to December 31, 2023, to quantify the prevalence of potential contraindications, risk factors, and drug-drug interactions relevant to MDMA-assisted...

Ethical Complexities and Best Practices in Informed Consent Processes for Psilocybin Services: A Qualitative Study

Neuroethics May 13, 2026 Christina Chwyl, Alissa Bazinet, Adrianne R Wilson-Poe et al.

Informed consent in psychedelic-assisted services is ethically complex, difficult to implement, and remains largely unstudied and unstandardized. The current study sought expert recommendations on informed consent challenges, best practices and recommendations for supervised psilocybin experiences across various settings. Participants with psilocybin content expertise and psilocybin providers...

DOI: 10.1007/s12152-026-09645-5 (opens in new tab) Full text (opens in new tab) Psilocybin Best practice Qualitative research Informed consent +6

Building standards of psychedelic care: Qualitative examination of expert perspectives on safety, inclusion, and accountability.

International Journal of Drug Policy 2026 Christina Chwyl, Adrianne R Wilson-Poe, Kim Hoffman et al. 3 citations

There remain significant gaps in knowledge about best practices for facilitated psychedelic care and psychedelic-assisted therapy. To inform the development of service models that support safe and beneficial experiences, this qualitative study explored expert perspectives on current and ideal standards of care, including key practices (e.g., screening, adapting care to diverse contexts) and...

Oregon’s Emerging Psilocybin Services Workforce: A Survey of the First Legal Psilocybin Facilitators and Their Training Programs

Journal of Psychoactive Drugs January 29, 2025 Jason B. Luoma, Kim Hoffman, Adrianne R Wilson-Poe et al. 3 citations

New legal frameworks for supervised psychedelic services are emerging, with Oregon and Colorado implementing programs to train and license psilocybin facilitators. This study describes Oregon's early psilocybin facilitator workforce and assesses state-approved training programs. The Open Psychedelic Evaluation Nexus (OPEN) reviewed Oregon Health Authority-approved training programs and surveyed...

DOI: 10.1080/02791072.2025.2454474 (opens in new tab) Full text (opens in new tab) Healthcare-certification Psilocybin-facilitators Mental-health-workforce Oregon-regulations +4

Personal Psychedelic Experience as a Training Qualification for Facilitators: A Thematic Analysis of Qualitative Interviews with Psilocybin Experts

Journal of Psychoactive Drugs September 13, 2024 Ar Wilson-Poe, Ka Hoffman, Jb Luoma et al. 9 citations

Emerging legal frameworks in Oregon and Colorado license facilitators to support adults receiving psychedelic services. The current legal frameworks are silent regarding facilitators' personal experience with psychedelics. An e-Delphi process recruited 36 experts with at least 5 years' experience facilitating psilocybin experiences in ceremonial settings, indigenous practices, or clinical...

DOI: 10.1080/02791072.2024.2401982 (opens in new tab) Psilocybin Thematic analysis Qualitative research Hallucinogen +4

Therapeutic Potential of Psychedelic Drugs: Navigating High Hopes, Strong Claims, Weak Evidence, and Big Money

Annual Review of Psychology August 2, 2024 Keith Humphreys, Daniel Stjepanović, Wayne Hall et al. 18 citations

Therapeutic claims about many psychedelic drugs have not been evaluated in any studies of even modest rigor. The science of psychedelic drugs is strengthening, however, making it easier to differentiate some promising findings amid the hype that suffuses this research area. Ketamine has risks of adverse side effects (e.g., addiction and cystitis), but multiple studies suggest it can benefit...

Developing the Open Psychedelic Evaluation Nexus consensus measures for assessment of supervised psilocybin services: An e-Delphi study

Journal of Psychopharmacology June 18, 2024 Kim Hoffman, Alissa Bazinet, Kellie Pertl et al. 14 citations

Background: Voter initiatives in Oregon and Colorado authorize legal frameworks for supervised psilocybin services, but no measures monitor safety or outcomes. Aims: To develop core measures of best practices. Methods: A three-phase e-Delphi process recruited 36 experts with 5 or more years’ experience facilitating psilocybin experiences in various contexts (e.g., ceremonial settings,...

DOI: 10.1177/02698811241257839 (opens in new tab) Psilocybin Delphi method Thematic analysis Applied psychology +2

Commentary on Darkeet al.: Expanded psychedelic access requires new safety monitoring systems

Addiction June 17, 2024 Philip Todd Korthuis, Adrianne R Wilson-Poe, Joshua C. Black et al. 1 citation

As psychedelic use expands, the number of adverse effects will increase proportionally. New frameworks for monitoring safety outcomes on a population level are required to limit potential harms. Darke et al. characterized 33 lysergic acid diethylamide (LSD) and 10 psilocybin-related deaths in Australia between 2000 and 2023 using the country's sophisticated national coroner data system....

Exploring psilocybin-assisted psychotherapy in the treatment of methamphetamine use disorder

Frontiers in Psychiatry March 14, 2023 Jonathan Brett, Elizabeth Knock, Paul Liknaitzky et al. 16 citations

Methamphetamine use disorder is a chronic relapsing condition associated with substantial mental, physical, and social harms and increasing rates of mortality. Contingency management and psychotherapy interventions are the mainstays of treatment but are modestly effective with high relapse rates, while pharmacological treatments have shown little to no efficacy. Psilocybin-assisted...

DOI: 10.3389/fpsyt.2023.1123424 (opens in new tab) Psilocybin Methamphetamine Psychotherapist Hallucinogen +2