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Metten Somers

10 papers in the library · 1,435 citations · publishing 2022-2026

Papers

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The role of therapeutic alliance in psilocybin treatment for treatment-resistant depression: A post hoc path analysis.

Journal of Affective Disorders August 1, 2026 Guy M. Goodwin, Scott T Aaronson, Oscar Alvarez et al. 2 citations

The contribution of patient support to psilocybin's antidepressant effects remains uncertain. Relationships between therapeutic alliance (Scale to Assess Therapeutic Relationship-Patient version; STAR-P), psychedelic experience (Five-Dimensional Altered States of Consciousness Questionnaire and Emotional Breakthrough Inventory; 5D-ASC and EBI) and clinical outcomes (Montgomery-Åsberg Depression...

Psychedelic experiences elicited by serotonergic psychedelics: Molecular mechanisms and functional connectivity changes in the brain

Neuroscience & Biobehavioral Reviews December 16, 2025 Rivka Vollebregt, A. J. Storm, Paul J. Lucassen et al. 3 citations

Classical psychedelics, like lysergic acid diethylamide (LSD), N,N-dimethyltryptamine (DMT), and psilocybin, can alter perception, emotion, and cognition, and have shown promise as 're-purposed' treatments for some psychiatric disorders. Recent trials have, e.g., demonstrated rapid and sustained symptom relief in treatment-resistant depression. While promising as a treatment, the...

Corrigendum to "The role of the psychedelic experience in psilocybin treatment for treatment-resistant depression" [Journal of Affective Disorders, Volume 372 (2025), Pages 523-532].

J Affect Disord October 10, 2025 Guy M. Goodwin, Scott T Aaronson, Oscar Alvarez et al. correction

Corrigendum to "The role of the psychedelic experience in psilocybin treatment for treatment-resistant depression" [Journal of Affective Disorders, Volume 372 (2025), Pages 523-532].

Efficacy and Safety of Psychoactive Tryptamines in Addiction: A Systematic Review

Psychedelic Medicine October 8, 2025 Pim B. van der Meer, Nout Schukking, Miranda G. Dik et al.

Background: Psychedelics such as lysergic acid diethylamide (LSD) and psilocybin have shown a beneficial effect on substance use disorder (SUD) symptoms. In this systematic review, we aimed to assess the efficacy and safety of psychoactive tryptamines in patients with an SUD or non-substance-related disorder (i.e., gambling disorder) in order to provide a comprehensive overview of the available...

The role of the psychedelic experience in psilocybin treatment for treatment-resistant depression.

Journal of Affective Disorders March 1, 2025 Guy M. Goodwin, Scott T Aaronson, Oscar Alvarez et al. 35 citations

To determine the relationships between psilocybin dose, psychedelic experiences, and therapeutic outcome in treatment-resistant depression. For treatment-resistant depression, 233 participants received a single dose of 25, 10, or 1 mg of COMP360 psilocybin (a proprietary, pharmaceutical-grade synthesized psilocybin formulation, developed by the sponsor, Compass Pathfinder Ltd.) with...

Psychedelics as an intervention for psychological, existential distress in terminally ill patients: A systematic review and network meta-analysis

Journal of Psychopharmacology December 10, 2024 Mattia Marchi, Riccardo Farina, Karim Rachedi et al. 13 citations

Background: The interest in psychedelics as a therapeutic intervention for existential distress of people with terminal illness grounds on their mechanism of action and effect on the spiritual/existential aspects accompanying end-of-life experiences. Aims: This systematic review and network meta-analysis aimed at examining the efficacy and safety of psychedelic compounds for existential...

Therapeutic effect of psilocybin in addiction: A systematic review

Frontiers in Psychiatry February 9, 2023 Kees Kramers, Arnt Schellekens, Metten Somers et al. 119 citations

Background Psychedelic-assisted therapy [e.g., with lysergic acid diethylamide (LSD)] has shown promising results as treatment for substance use disorders (SUDs). Previous systematic reviews assessing the efficacy of psilocybin in SUDs only included clinical trials conducted in the last 25 years, but they may have missed clinical trials assessing the efficacy of psilocybin that were conducted...

Single-dose psilocybin for a treatment-resistant episode of major depression: Impact on patient-reported depression severity, anxiety, function, and quality of life

Journal of Affective Disorders February 3, 2023 Guy M. Goodwin, Scott T Aaronson, Oscar Alvarez et al. 168 citations

Three weeks after dosing, psilocybin 25 mg and, to a lesser degree, 10 mg improved measures of patient-reported depression severity, anxiety, affect, and functioning. These results extend the primary findings from the largest randomised clinical trial of psilocybin for TRD to examine other outcomes that are of importance to patients.

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...