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Rachael Macisaac

3 papers in the library · publishing 2026

Papers

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335. Safety and tolerability results from a phase 2b, double-blind trial with an open-label extension of GH001 in treatment-resistant depression

International Journal of Neuropsychopharmacology September 1, 2026 B. T. Baune, T. Benway, D. Gregory et al.

Abstract Background Treatment-resistant depression (TRD) is a chronic condition affecting approximately 30% of patients with major depressive disorder, posing a significant unmet need for safe and effective treatments. GH001, an inhaled formulation of mebufotenin (5-MeO-DMT), has shown good tolerability and safety in early stage clinical trials in healthy volunteers and patients with TRD. Aims...

GH001 Efficacy is Independent of Prior Antidepressant Treatment Failures in Treatment-Resistant Depression: A Post Hoc Analysis of a Phase 2b Randomized Controlled Trial.

Psychopharmacology Bulletin June 5, 2026 Michael E. Thase, Brian Brennan, Rachael Macisaac et al.

Approximately 30% of patients treated for major depressive disorder develop treatment-resistant depression (TRD). The STAR*D study demonstrated remission rates decline progressively with each antidepressant failure (37%, 31%, 14%, and 13%, respectively). A single-day individualized dosing regimen of GH001 (synthetic mebufotenin for inhalation) produced rapid, large improvements in depressive...

Inhaled Mebufotenin (GH001) for Adult Patients With Postpartum Depression: A Phase 2a Open-Label Clinical Trial.

The Journal of Clinical Psychiatry June 3, 2026 Martin Johnson, Pau Aceves Baldo, Emilio Arbe et al.

Objective: Postpartum depression (PPD) is a debilitating mood disorder with peripartum onset. Current treatment options are limited in PPD. GH001 is a synthetic inhalation formulation of the psychoactive molecule mebufotenin (5-MeO-DMT). This trial investigated the preliminary efficacy and safety of GH001 in adult females with PPD. Methods: This phase 2a, proof-of-concept, open-label trial...