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Houman Farzin

18 papers in the library · 65 citations · publishing 2023-2026

Papers

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From regulation to practice: A scoping review of prescribers’ roles in psilocybin-assisted therapy

Drug Science Policy and Law October 1, 2026 Gabriel Bélanger, Sue-Ling Chang, Marianne Masse-Grenier et al.

Psilocybin remains prohibited in most jurisdictions, but Switzerland, Canada, and Australia have established tightly regulated clinical access pathways. In this developing landscape, prescribers are pivotal to safe access and must navigate conflicting guidance, uncertainty, and legal risk. Clarifying how current regulations define prescribers’ roles is therefore important for understanding how...

Psychedelic medicines for existential distress associated with life-threatening illnesses

International Journal of Whole Person Care August 9, 2026 Houman Farzin

This presentation will review the history of scientific research into the use of psychedelic medicines for the treatment of existential distress due to life-threatening illnesses, it will then outline the current state of affairs in North America, and conclude with exploring the implications it will have on the future of palliative care. Despite the significant advances in the field of...

Implementing psilocybin-assisted therapy in palliative care settings: A survey of stakeholders

Palliative Medicine May 19, 2026 Louis Plourde, Sue-Ling Chang, Olivia Nguyen et al. 1 citation

BACKGROUND: While the adoption of psilocybin-assisted therapy for existential distress offers promising support for patients with life-threatening illnesses, implementing this intervention into palliative care settings presents significant real-world challenges. AIM: To examine palliative care stakeholders' knowledge and attitudes regarding psilocybin-assisted therapy, and identify barriers and...

Serotonergic psychedelics as epigenetic modulators: A paradigm shift in Alzheimer's disease therapeutics.

Neuroscience & Biobehavioral Reviews May 1, 2026 Esmaeel G Gojani, Houman Farzin, Robert J Sutherland et al.

Alzheimer's disease (AD) is a multifactorial neurodegenerative disorder characterized by amyloid-β (Aβ) accumulation, tau pathology, synaptic dysfunction, and neuroinflammation, which collectively drive progressive memory loss, cognitive decline, and behavioral changes. Increasing evidence implicates epigenetic dysregulation as a key contributor to these pathological processes by altering gene...

DOI: 10.1016/j.neubiorev.2026.106619 (opens in new tab) Full text (opens in new tab) Alzheimer’s disease Dna methylation Epigenetics Histone acetylation +1

Feuille de route pour un accès équitable et une utilisation responsable de la psychothérapie assistée par la psilocybine dans les soins palliatifs

Cahiers francophones de soins palliatifs 2026 Michel Dorval, Sue-Ling Chang, Houman Farzin et al.

La psychothérapie assistée par psilocybine représente un ajout prometteur aux interventions de soins palliatifs, pouvant améliorer la qualité de vie en soulageant la détresse existentielle. Malgré sa sécurité et son efficacité, cette thérapie demeure limitée au Canada, soulignant la nécessité d’en améliorer l'accès pour atténuer la souffrance liée à des maladies potentiellement mortelles....

Supporting Meaningful Choices: A Decision Aid for Individuals Facing Existential Distress and Considering Psilocybin-Assisted Therapy

Healthcare September 12, 2025 Ariane Bélanger, Sue-Ling Chang, Jean-François Stephan et al. 1 citation

Background/Objectives: Given the limitations of traditional approaches to treating existential distress in seriously ill patients, psilocybin-assisted therapy (PAT) has emerged as a promising treatment option. However, weighing up the potential risks and benefits of this approach can be challenging for both healthcare professionals and patients. Decision aids can play a key role in supporting...

An international Delphi consensus for reporting of setting in psychedelic clinical trials.

Nature Medicine June 3, 2025 Chloé Pronovost-Morgan, Kyle T. Greenway, Leor Roseman et al. 26 citations

Psychedelic substances exhibit complex interactions with the 'set and setting' of use, that is, the mental state of the user and the environment in which a psychedelic experience takes place. Despite these contextual variables' known importance, psychedelic research has lacked methodological rigor in reporting extra-pharmacological factors. This study aimed to generate consensus-based...

DOI: 10.1038/s41591-025-03685-9 (opens in new tab) Full text (opens in new tab) Psychedelic therapy Therapeutic protocols Clinical guidelines Mental health treatment +1

Music and non-music approaches in psilocybin-assisted psychotherapy: The sound of silence

Journal of Psychedelic Studies May 15, 2025 Sara G. Gloeckler, Julien Thibault Lévesque, Alexandre Lehmann et al. 3 citations

Abstract Music is integral to Psilocybin-assisted psychotherapy (PAP), believed to enhance therapeutic outcomes by structuring experiences and facilitating emotional expression. However, the effects of conducting PAP without music are underexplored. This study examines the experiences of two breast cancer patients undergoing psilocybin therapy under Canada's compassionate access program,...

Roadmap for Equitable Access and Responsible Use of Psilocybin-Assisted Psychotherapy in Palliative Care

Palliative Medicine Reports April 17, 2025 Michel Dorval, Sue-Ling Chang, Houman Farzin et al. 3 citations

Psilocybin-assisted psychotherapy represents a promising addition to palliative care interventions, potentially improving quality of life by addressing existential distress. Despite its safety and effectiveness, this therapy remains limited in Canada, underscoring the need for improved access to ease suffering from life-threatening illnesses. However, important questions remain regarding how to...

DOI: 10.1089/pmr.2024.0108 (opens in new tab) Psilocybin Palliative care Psychotherapist Hallucinogen

Experiential dimension of psilocybin-assisted therapy training: Necessity or hindrance to wider accessibility?

Journal of Psychedelic Studies January 21, 2025 Louis Plourde, Sue-Ling Chang, Houman Farzin et al. 1 citation

Abstract The discussion surrounding the necessity of acquiring personal experience of non-ordinary states of consciousness in the course of psilocybin-assisted therapy training is crucial, as it can affect treatment safety, effectiveness and accessibility. As such, the ethical and practical issues associated with such a training standard require timely consideration in jurisdictions where this...

DOI: 10.1556/2054.2024.00431 (opens in new tab) Psilocybin Experiential learning Dimension graph theory Psychotherapist +3

Psychedelic Treatment with Psilocybin: Addressing Medical Malpractice Risk and Physicians’ Concerns

The Journal of Law, Medicine & Ethics 2025 Katherine Cheung, M J Brodie, Sue-Ling Chang et al. 2 citations

Abstract Psychedelic treatment with psilocybin is receiving increased attention following clinical trials showing it may help treat end-of-life anxiety, depression, and several other conditions. Despite this, physicians may be reluctant to prescribe psilocybin and carry out psilocybin treatment because of the stigma surrounding psychedelics and the potential for medical malpractice liability....

Home-based psilocybin-assisted therapy for a patient with advanced cancer: A case report

Palliative & Supportive Care 2025 Houman Farzin, Brigita Koren, Helen Ferrier et al. 1 citation

Abstract Objectives Psychospiritual distress affects many patients with cancer, contributing to diminished quality of life, decreased survival and a desire for hastened death. The current standard of care, which primarily consists of antidepressants and psychotherapy, has demonstrated only modest benefits. Psilocybin-assisted therapy (PAT) has shown evidence of rapid, durable, and significant...

Les « champignons magiques » : des alliés en soins palliatifs ?

Cahiers francophones de soins palliatifs 2025 Angie Shen, Andréanne Côté, Pascal Lamanque et al.

L’intérêt pour la psilocybine, une substance présente dans les champignons dits « magiques », connaît un regain marqué en psychiatrie et en soins palliatifs. Bien étudiée dans les années 1950 et 1960, elle est tombée dans l’oubli avec l’interdiction des drogues et le déclin de la contre-culture dans les années 1970. Aujourd’hui, son retour soulève des questions sur son potentiel en soins...

What do health professionals think about implementing psilocybin-assisted therapy in palliative care for existential distress? A World Café qualitative study.

Palliative & Supportive Care October 1, 2024 Marianne Masse-Grenier, Sue-Ling Chang, Ariane Bélanger et al. 4 citations

Promising studies show that psilocybin-assisted therapy relieves existential distress in patients with serious illnesses, a difficult condition to treat with current treatment options. There is growing interest in this therapy in palliative care. Canada recently amended its laws to allow physicians to request psilocybin for end-of-life distress. However, barriers to access remain. Since...

DOI: 10.1017/s1478951524001494 (opens in new tab) Full text (opens in new tab) Existential distress Psychedelic-assisted treatment End-of-life care Psychological support +4

Soigner au seuil de la mort : l’expérience mystique d’un patient avec la thérapie assistée par la psilocybine

Cahiers francophones de soins palliatifs February 14, 2024 Houman Farzin

Patients with serious illnesses like advanced cancer often experience existential and psychospiritual distress. Alleviating this form of pain and suffering has proven to be very challenging using conventional treatments. Psilocybin-assisted therapy (PAT) employs the psychoactive effects of psilocybin as a catalyst for a psychotherapeutic process grounded in indigenous traditions and within the...

Psilocybin-assisted psychotherapy for cancer patients

International Journal of Whole Person Care January 29, 2024 Houman Farzin

Despite significant advances in symptom management for patients affected by serious illness, physicians lack effective legal treatments for individuals suffering from demoralization, death anxiety, and existential distress. Psilocybin-assisted psychotherapy employs psilocybin-containing mushrooms or synthetic psilocybin grounded in indigenous traditions and within the context of a therapeutic...

Social acceptability of psilocybin-assisted therapy for existential distress at the end of life: A population-based survey

Palliative Medicine January 22, 2024 Louis Plourde, Sue-Ling Chang, Houman Farzin et al. 22 citations

Background: Internationally, there is a growing interest in the potential benefits of psilocybin-assisted therapy to treat existential distress at the end of life. However, the social acceptability of this therapy is not yet well known. Aim: This study assesses the social acceptability of the medical use of psilocybin to treat existential distress at the end of life. Design: An online survey...

DOI: 10.1177/02692163231222430 (opens in new tab) Psilocybin Palliative care End-of-life care Distress +4

Healing at death’s door: one patient’s mystical experience with psilocybin

International Journal of Whole Person Care January 6, 2023 Houman Farzin 1 citation

eath is of the most certain and undeniable truths in an existence shrouded by mysteries and unknowns, yet many don't have the opportunity for a meaningful reflection on this matter until the very end of their life.Existential suffering often awaits at death's door while effective solutions remain limited.The reality is that saving lives has been a key pillar of our medical ethos and so the...