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Benoit H. Mulsant

14 papers in the library · 182 citations · publishing 0-2026

Papers

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Symptom trajectories and clinical outcomes of intravenous ketamine in treatment-resistant depression: A real-world study using group-based trajectory modeling.

Journal of Affective Disorders January 23, 2026 Reinhard Janssen-Aguilar, Jithin Joseph, Huda Al-Shamali et al.

Intravenous (IV) ketamine is an emerging intervention for treatment-resistant depression (TRD), yet the temporal dynamics of response and the optimal number of infusions remain unclear, particularly in real-world clinical populations with psychiatric comorbidities. We conducted a retrospective chart review of 209 adults with TRD treated with IV ketamine at an interventional psychiatry program....

Biological markers of treatment response to serotonergic psychedelic therapies: a systematic review.

Ther Adv Psychopharmacol October 16, 2025 Stanley Wong, Brett D. M. Jones, Mathura T. Thiyagarajah et al. 3 citations

Background: Results from contemporary clinical trials of serotonergic psychedelic therapies have led to an increasing focus on their potential clinical use across mental disorders. However, studies examining mechanisms of clinical response to psychedelic therapy in psychiatric populations are limited. This review aimed to synthesize evidence from studies examining biomarkers of clinical...

Effect of psilocybin therapy on suicidal ideation, attempts, and deaths in people with psychiatric diagnoses: a systematic review and meta-analysis

Therapeutic Advances in Psychopharmacology September 1, 2025 Stanley Wong, Gray Meckling, Nicholas Fabiano et al. 6 citations

Background: Suicidal ideation, attempts, and deaths present a major and tragic public health concern. Recent trials of psilocybin therapy (PT) have shown promise in treating treatment-resistant depression and have found a reduction in suicidal ideation. Given the growth of PT research, there is a need to further understand its effect on suicidal ideation, attempts, and deaths. Objective: To...

Mapping psilocybin therapy: A systematic review of therapeutic frameworks, adaptations, and standardization across contemporary clinical trials

Journal of Affective Disorders July 18, 2025 Mary E. Kittur, Mingyao Liu, Brett D. M. Jones et al. 12 citations

Accumulating evidence suggests that psilocybin can produce rapid and sustained clinical benefits when administered in conjunction with psychological support. Though non-pharmacological procedures are considered integral, the field lacks therapeutic guidelines and little is known about current practices. This systematic review sought to provide a comprehensive and cross-diagnostic synthesis of...

A Multi-Site, Randomized, Parallel-Group, Controlled Trial of Virtually-Delivered Sahaj Samadhi Meditation for the Management of Moderate Depressive Symptoms in Chronic Pain.

Journal of Pain Research 2025 Darren K. Cheng, Robert Simpson, Rahim Moineddin et al.

Chronic pain (CP) often co-occurs with depression, but promising scalable interventions have been under-investigated. We assessed the effectiveness of the virtually-delivered Sahaj Samadhi Meditation (SSM) program in reducing depressive symptoms in people with CP and moderate depressive symptoms. We conducted a randomized controlled trial comparing SSM to the Health Enhancement Program (HEP),...

A proof-of concept randomized controlled trial to show that the antidepressant effect of psilocybin does not require a psychedelic experience: study protocol

European Psychiatry November 17, 2023 M. I. Husain, Daniel M. Blumberger, David Castle et al.

Introduction During the last decade there has been a resurgence of interest on the use of psychedelics as novel treatments for mental disorders, including treatment-resistant depression (TRD). Psilocybin, the chemical component of “magic mushrooms”, has been administered with psychotherapy in randomized clinical trials (RCTs) showing large and sustained antidepressant effects. As the use of...

Beyond Psilocybin: Reviewing the Therapeutic Potential of Other Serotonergic Psychedelics in Mental and Substance Use Disorders

Journal of Psychoactive Drugs August 24, 2023 Stanley Wong, An Yi Yu, Nicholas Fabiano et al. 11 citations

There has been a resurgence of interest in the use of psychedelic therapies for several mental and substance use disorders. Psilocybin, a "classic" serotonergic psychedelic, has emerged as one of the primary compounds of interest in clinical research. While research on psilocybin's potential mental health benefits has grown, data on the safety and efficacy of other serotonergic psychedelics...

Psilocybin for treatment-resistant depression without psychedelic effects: study protocol for a 4-week, double-blind, proof-of-concept randomised controlled trial

BJPsych Open July 1, 2023 Muhammad Ishrat Husain, Nicole Ledwos, Elise Fellows et al. 41 citations

Background Randomised controlled trials (RCTs) of psilocybin have reported large antidepressant effects in adults with major depressive disorder and treatment-resistant depression (TRD). Given psilocybin's psychedelic effects, all published studies have included psychological support. These effects depend on serotonin 2A (5-HT2A) receptor activation, which can be blocked by 5-HT2A receptor...

Change in patient‐centered outcomes of psychological well‐being, sleep, and suicidality following treatment with intravenous ketamine for late‐life treatment‐resistant depression

International Journal of Geriatric Psychiatry July 1, 2023 Benjamin Vanderschelden, M. A. Gebara, H. Oughli et al. 13 citations

To examine whether psychological well‐being, sleep, and suicidality improved with treatment with intravenous (IV) ketamine for late‐life treatment‐resistant depression (TRD).

Serotonergic psychedelics for depression: What do we know about neurobiological mechanisms of action?

Frontiers in Psychiatry February 10, 2023 Muhammad Ishrat Husain, Nicole Ledwos, Elise Fellows et al. 47 citations

Introduction Current treatment options for major depressive disorder (MDD) have limited efficacy and are associated with adverse effects. Recent studies investigating the antidepressant effect of serotonergic psychedelics—also known as classic psychedelics—have promising preliminary results with large effect sizes. In this context, we conducted a review of the putative neurobiological...

Intravenous Ketamine for Late-Life Treatment-Resistant Depression: A Pilot Study of Tolerability, Safety, Clinical Benefits, and Effect on Cognition

The American journal of geriatric psychiatry December 1, 2022 H. Oughli, M. A. Gebara, A. Ciarleglio et al. 33 citations

Objective: Evidence-based treatment options for late-life treatment-resistant depression (TRD) are limited. Ketamine is a promising treatment for TRD; however, there is a paucity of data on its safety and efficacy in older adults. Methods: In this pilot clinical trial, 25 adults aged ≥60 years with TRD received IV ketamine openly twice a week for 4 weeks; partial responders at the end of this...

Enhancing Cognition in Older Persons with Depression or Anxiety with a Combination of Mindfulness-Based Stress Reduction (MBSR) and Transcranial Direct Current Stimulation (tDCS): Results of a Pilot Randomized Clinical Trial

Mindfulness October 5, 2021 Heather J. Brooks, H. Oughli, Lojine Y. Kamel et al.

Individuals with subjective memory complaints and symptoms of depression and/or anxiety are at high risk for further cognitive decline, and possible progression to dementia. Low-burden interventions to help slow or prevent cognitive decline in this high-risk group are needed. The objective of this study is to assess the feasibility of combining Mindfulness-Based Stress Reduction (MBSR) with...

Sahaj Samadhi Meditation versus a Health Enhancement Program for depression in chronic pain: protocol for a randomized controlled trial and implementation evaluation

Trials January 8, 2020 Abhimanyu Sud, M. Nelson, Darren K. Cheng et al.

Background Despite the high prevalence of comorbid chronic pain and depression, this comorbidity remains understudied. Meditation has demonstrated efficacy for both chronic pain and depression independently, yet there have been few studies examining its effectiveness when both conditions are present concurrently. Furthermore, while meditation is generally accepted as a safe and effective health...

A Critical Appraisal of Evidence on the Efficacy and Safety of Serotonergic Psychedelic Drugs as Emerging Antidepressants: Mind the Evidence Gap.

Journal of Clinical Psychopharmacology Nicole Ledwos, Joshua D. Rosenblat, Daniel M. Blumberger et al. 16 citations

There has been resurgence of interest in the therapeutic use of serotonergic ("classic") psychedelics in major depressive disorder (MDD) and end-of-life distress. This commentary offers a critical appraisal of current evidence for antidepressant effects of classic psychedelics from contemporary clinical trials and highlights pitfalls that should be addressed before clinical translation. A...