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Zachary Sager

11 papers in the library · 174 citations · publishing 2020-2026

Papers

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Views on Psychedelic-Assisted Therapy for Substance Use Disorders from Individuals with Opioid Use Disorder and a History of Injection-Related Infections: A Qualitative Study.

Psychedelic medicine (New Rochelle, N.Y.) March 1, 2026 Veronica Szpak, Samuel Maddams, Amanda Kim et al.

New treatment options are needed to improve outcomes for patients with both opioid use disorder (OUD) and injection-related infections. Psychedelic-assisted therapy (PAT) has been suggested as a potential treatment for substance use disorders (SUD). To address this need, a qualitative study was conducted to understand the attitudes toward PAT from individuals with OUD who have survived...

Psilocybin-assisted therapy for demoralisation in hospice patients: feasibility, safety and preliminary efficacy

BMJ Supportive & Palliative Care November 3, 2025 Yvan Beaussant, Zachary Sager, Caitlin W. Brennan et al. 1 citation

Objectives To assess the feasibility, safety and preliminary efficacy of psilocybin-assisted therapy (PAT) for demoralisation in terminally ill patients receiving home hospice care. Methods In this open-label pilot trial, 4607 home hospice patients at a large community hospice were screened over 22 months; 66 were approached, 15 enrolled and 10 received psilocybin. Participants completed two...

“To Have the Encounter with Our Own Finiteness in that Existential Way”: Descriptions of Existential Experience in Patients with Cancer and Major Depression Participating in Psilocybin-Assisted Group Therapy

Psychedelic Medicine October 8, 2025 Elise C. Tarbi, Skye A. Miner, Kabir Nigam et al. 1 citation

Background: Cancer poses an existential threat for patients and caregivers. Psilocybin-assisted therapy (PAT) has emerged as a potential tool to meet these existential needs, yet little is known about how patients describe this element of their cancer journey, and how it might be affected by PAT, especially in the group therapy context. Purpose: To explore how patients with cancer and...

Set and setting in psilocybin-assisted therapy: A qualitative study of patients with cancer and depression.

General Hospital Psychiatry 2025 Yvan Beaussant, Elise C. Tarbi, Kabir Nigam et al. 3 citations

Psilocybin-assisted therapy (PAT) shows promise for cancer-related depression, yet little research has examined how therapeutic context shapes patient experiences. While set (mindset) and setting (environment) are considered central to psychedelic treatment, empirical evidence on their role in PAT acceptability remains limited. This study explores factors influencing the acceptability of PAT...

Survey of Massachusetts peer recovery coaches' attitudes toward the use of psychedelics to treat substance use disorders.

Addict Sci Clin Pract November 25, 2024 Veronica Szpak, Amanda Kim, Zachary Sager et al. 2 citations

Survey of Massachusetts peer recovery coaches' attitudes toward the use of psychedelics to treat substance use disorders.

Older Adults in Psychedelic-Assisted Therapy Trials: A Systematic Review

European Psychiatry April 1, 2024 N. Kabir, B. Anderson, Lisa Bouchet et al. 1 citation

Introduction Growing clinical interest in psychedelic-assisted therapies has led to a second wave of research involving psilocybin, LSD, MDMA and other substances. Data suggests that these compounds have the potential to treat mental health conditions that are especially prevalent in older adults such as depression, anxiety, existential distress and post-traumatic stress disorder. Objectives...

Older adults in psychedelic-assisted therapy trials: A systematic review

Journal of Psychopharmacology 2024 Lisa Bouchet, Zachary Sager, Antoine Yrondi et al. 22 citations

Background: Growing clinical interest in psychedelic-assisted therapies has led to a second wave of research involving psilocybin, lysergic acid diethylamide (LSD), 3,4-methylenedioxymethamphetamine (MDMA) and other substances. Data suggests that these compounds have the potential to treat mental health conditions that are especially prevalent in older adults such as depression, anxiety,...

Acceptability of psilocybin‐assisted group therapy in patients with cancer and major depressive disorder: Qualitative analysis

Cancer December 18, 2023 Yvan Beaussant, Kabir Nigam, Zachary Sager et al. 22 citations

Abstract Background The present study explored the acceptability of psilocybin‐assisted group therapy from the perspective of patients with cancer and depression who participated in a clinical trial assessing the safety and efficacy of this novel intervention. Methods Guided by the conceptual framework of acceptability, the authors conducted semi‐structured interviews with participants of the...

Top Ten Tips Palliative Care Clinicians Should Know About Psychedelic-Assisted Therapy in the Context of Serious Illness.

Journal of Palliative Medicine August 1, 2022 William E Rosa, Zachary Sager, Megan Miller et al. 49 citations

Psychedelic-assisted therapy (PAT) is a burgeoning treatment with growing interest across a variety of settings and disciplines. Empirical evidence supports PAT as a novel therapeutic approach that provides safe and effective treatment for people suffering from a variety of diagnoses, including treatment-resistant depression, substance use disorder, and post-traumatic stress disorder. Within...

Mapping an Agenda for Psychedelic-Assisted Therapy Research in Patients with Serious Illness.

J Palliat Med April 13, 2021 Yvan Beaussant, James A. Tulsky, Benjamin Guérin et al. 34 citations

Background: With support from the Radcliffe Institute for Advanced Study at Harvard University, we convened researchers representing palliative care, psychosocial oncology, spiritual care, oncology, and psychedelic-assisted therapies. We aimed to define priorities and envision an agenda for future research on psychedelic-assisted therapies in patients with serious illness. Over two days in...

Defining the Roles and Research Priorities for Psychedelic-Assisted Therapies in Patients with Serious Illness: Expert Clinicians' and Investigators' Perspectives

Journal of Palliative Medicine April 1, 2020 Yvan Beaussant, Justin J. Sanders, Zachary Sager et al. 39 citations

Background: Recent and preprohibition studies show that patients with serious illness might benefit from psychedelic-assisted therapies for a range of symptoms, physical, psychosocial, and existential. Objective: To explore the potential roles and research priorities of these therapies in patients with serious illness. Design, Setting, and Participants: Qualitative study based on semistructured...