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Elizabeth M. Nielson

13 papers in the library · 1,913 citations · publishing 2018-2025

Papers

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A model training curriculum for psychedelic, psycholytic, and entactogen-assisted psychotherapy.

Journal of psychopharmacology (Oxford, England) June 10, 2025 Torsten Passie, Anja Loizaga-Velder, Alicia Danforth et al. 4 citations

The authors offer a model for curriculum for education and training in substance-assisted psychotherapy (SAP), that is, psychedelic, psycholytic, and entactogen/MDMA (3,4-methylenedioxymethamphetamine)-assisted psychotherapy, addressing both the detailed contents of training and the question of experiential training. All authors of this model have an abiding interest and extensive experience in...

Psychedelic Harm Reduction and Integration: A Transtheoretical Model for Clinical Practice.

Curr Top Behav Neurosci December 10, 2024 Xiaojue Hu, Ingmar Gorman, Elizabeth M. Nielson 3 citations

Psychedelic Harm Reduction and Integration (PHRI) is a transtheoretical clinical model for working with psychedelic experiences in therapeutic settings. Drawing from harm reduction psychotherapy, psychedelic-assisted therapy, mindfulness-based modalities, and psychodynamic therapy, PHRI offers a framework for clinicians to assist clients in preparing for and integrating psychedelic experiences...

Developing an Ethics and Policy Framework for Psychedelic Clinical Care: A Consensus Statement.

JAMA Network Open June 3, 2024 Amy L. Mcguire, I Glenn Cohen, Dominic Sisti et al. 41 citations

As government agencies around the globe contemplate approval of the first psychedelic medicines, many questions remain about their ethical integration into mainstream medical practice. To identify key ethics and policy issues related to the eventual integration of psychedelic therapies into clinical practice. From June 9 to 12, 2023, 27 individuals representing the perspectives of clinicians,...

MDMA-assisted therapy for moderate to severe PTSD: a randomized, placebo-controlled phase 3 trial.

Nature Medicine October 1, 2023 Jennifer Mitchell, Marcela Ot’alora G., Bessel Van der Kolk et al. 400 citations

This multi-site, randomized, double-blind, confirmatory phase 3 study evaluated the efficacy and safety of 3,4-methylenedioxymethamphetamine-assisted therapy (MDMA-AT) versus placebo with identical therapy in participants with moderate to severe post-traumatic stress disorder (PTSD). Changes in Clinician-Administered PTSD Scale for DSM-5 (CAPS-5) total severity score (primary endpoint) and...

Reports of self-compassion and affect regulation in psilocybin-assisted therapy for alcohol use disorder: An interpretive phenomenological analysis.

Psychology of Addictive Behaviors June 5, 2023 Gabrielle Agin-Liebes, Elizabeth M. Nielson, Michael Zingman et al. 42 citations

OBJECTIVE: The primary aim of this qualitative study was to delineate psychological mechanisms of change in the first randomized controlled trial of psilocybin-assisted psychotherapy to treat alcohol use disorder (AUD). Theories regarding psychological processes involved in psychedelic therapy remain underdeveloped. METHOD: Participants (N = 13) mostly identified as non-Hispanic and White, with...

Single-Dose Psilocybin for a Treatment-Resistant Episode of Major Depression.

The New England journal of medicine November 3, 2022 Guy M. Goodwin, Scott T Aaronson, Oscar Alvarez et al. 1,095 citations

Psilocybin is being studied for use in treatment-resistant depression. In this phase 2 double-blind trial, we randomly assigned adults with treatment-resistant depression to receive a single dose of a proprietary, synthetic formulation of psilocybin at a dose of 25 mg, 10 mg, or 1 mg (control), along with psychological support. The primary end point was the change from baseline to week 3 in the...

Psychedelics as a Training Experience for Psychedelic Therapists: Drawing on History to Inform Current Practice

Journal of Humanistic Psychology June 23, 2021 Elizabeth M. Nielson 26 citations

The therapeutic use of psilocybin in psychedelic-assisted therapy models is currently being tested for a variety of indications, necessitating the training of hundreds of therapists. At present, training programs do not include the provision of a psilocybin experience for therapists, and the last time such an experience was offered with a similar compound was through the Spring Grove LSD...

Psychedelic Harm Reduction and Integration: A Transtheoretical Model for Clinical Practice

Frontiers in Psychology March 15, 2021 Ingmar Gorman, Ingmar Gorman, Ingmar Gorman et al.

Psychedelic Harm Reduction and Integration (PHRI) is a transtheoretical and transdiagnostic clinical approach to working with patients who are using or considering using psychedelics in any context. The ongoing discussion of psychedelics in academic research and mainstream media, coupled with recent law enforcement deprioritization of psychedelics and compassionate use approvals for...

Psychedelic Harm Reduction and Integration: A Transtheoretical Model for Clinical Practice

Frontiers in Psychology March 15, 2021 Ingmar Gorman, Ingmar Gorman, Ingmar Gorman et al.

Psychedelic Harm Reduction and Integration (PHRI) is a transtheoretical and transdiagnostic clinical approach to working with patients who are using or considering using psychedelics in any context. The ongoing discussion of psychedelics in academic research and mainstream media, coupled with recent law enforcement deprioritization of psychedelics and compassionate use approvals for...

Psychedelic Harm Reduction and Integration: A Transtheoretical Model for Clinical Practice

Frontiers in Psychology March 15, 2021 Ingmar Gorman, Ingmar Gorman, Ingmar Gorman et al.

Psychedelic Harm Reduction and Integration (PHRI) is a transtheoretical and transdiagnostic clinical approach to working with patients who are using or considering using psychedelics in any context. The ongoing discussion of psychedelics in academic research and mainstream media, coupled with recent law enforcement deprioritization of psychedelics and compassionate use approvals for...

Development and Evaluation of a Therapist Training Program for Psilocybin Therapy for Treatment-Resistant Depression in Clinical Research

Frontiers in Psychiatry February 3, 2021 Sara Tai, Elizabeth M. Nielson, Molly Lennard-Jones et al. 87 citations

Introduction: Psychological support throughout psilocybin therapy is mandated by regulators as an essential part of ensuring participants' physical and psychological safety. There is an increased need for specially trained therapists who can provide high-quality care to participants in clinical studies. This paper describes the development and practical implementation of a therapist training...

The influence of therapists’ first-hand experience with psychedelics on psychedelic-assisted psychotherapy research and therapist training

Journal of Psychedelic Studies October 5, 2018 Elizabeth M. Nielson, Jeffrey Guss 104 citations

Clinical research on psychedelic-assisted psychotherapy is rapidly advancing in the USA, with two drugs, psilocybin and MDMA, progressing through a structure of FDA-approved trials on a trajectory toward Drug Enforcement Agency rescheduling for therapeutic use. Researcher’s and clinician’s personal use of psychedelics was cited as a potential confound in psychedelic research studies conducted...

The Psychedelic Debriefing in Alcohol Dependence Treatment: Illustrating Key Change Phenomena through Qualitative Content Analysis of Clinical Sessions

Frontiers in Pharmacology February 21, 2018 Elizabeth M. Nielson, Darrick G. May, Alyssa A. Forcehimes et al. 111 citations

Research on the clinical applications of psychedelic-assisted psychotherapy has demonstrated promising early results for treatment of alcohol dependence. Detailed description of the content and methods of psychedelic-assisted psychotherapy, as it is conducted in clinical settings, is scarce. Methods: An open-label pilot (proof-of-concept) study of psilocybin-assisted treatment of alcohol...