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Roger Ho

National University of Singapore, National University Hospital

28 papers in the library · 1,448 citations · publishing 2016-2026

Papers

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The emerging role of psilocybin and MDMA in the treatment of mental illness

Expert Review of Neurotherapeutics September 21, 2020 Hartej Gill, Barjot Gill, David C J Chen-Li et al. 62 citations

Psychedelics, such as psilocybin and MDMA, offer an alternative avenue of therapy for many mental health disorders. Available evidence indicates that psychedelics may offer a single-dose, rapid effect model that have robust effects with treatment-resistant mental disorders and a unique advantage as a possible monotherapy for mental illness. Novel clinical trials that evaluate the safety,...

The effectiveness of ketamine on anxiety, irritability, and agitation: Implications for treating mixed features in adults with major depressive or bipolar disorder

Bipolar Disorders May 14, 2020 Roger S McIntyre, Orly Lipsitz, Nelson B Rodrigues et al. 64 citations

Abstract Objective To determine the effectiveness of intravenous (IV) ketamine on anxiety, irritability, agitation, and suicidality, in adults with treatment‐resistant major depressive disorder (MDD) or bipolar disorder (BD). Method Adults (N = 201) with treatment‐resistant MDD or BD received repeat‐dose IV ketamine treatment at a community‐based clinic. Mixed features were measured using...

Is Off-label repeat prescription of ketamine as a rapid antidepressant safe? Controversies, ethical concerns, and legal implications

BMC Medical Ethics January 14, 2016 Melvyn W. Zhang, Keith M. Harris, Roger Ho 69 citations

BACKGROUND: Depressive disorders are a common form of psychiatric illness and cause significant disability. Regulation authorities, the medical profession and the public require high safety standards for antidepressants to protect vulnerable psychiatric patients. Ketamine is a dissociative anaesthetic and a derivative of a hallucinogen (phencyclidine). Its abuse is a major worldwide public...