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Fixed Low-Dose Oral Esketamine Fails in Treatment-Resistant Depression

esketamineoral esketamineketamineNMDA receptor antagonisttreatment-resistant depressionmajor depressive disorderrandomized controlled trialpsychopharmacologyHDRS-17 Psychiatry / Psychopharmacology

Background Information

Oral esketamine may be effective only at higher doses for resistant depression.

A significant proportion of patients with depression do not respond to existing treatments, necessitating exploration of new options. Fixed low-dose oral esketamine showed no benefit over placebo in reducing depression symptoms, but higher individually titrated doses reduced symptoms significantly. While low doses of oral esketamine are ineffective for treatment-resistant depression, higher doses may be beneficial, although dizziness and sleep hallucinations were noted. Higher titrated doses of oral esketamine may be effective for treatment-resistant depression, but fixed low doses are not.

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Authors: Smith-Apeldoorn SY, Veraart JKE, Kamphuis J, Spijker J, van der Meij A, van Asselt ADI, Aan Het Rot M, Schoevers RA

Citation: Smith-Apeldoorn SY, Veraart JKE, Kamphuis J, et al. Oral esketamine in patients with treatment-resistant depression: a double-blind, randomized, placebo-controlled trial with open-label extension. Molecular psychiatry. 2024;29(9):2657-2665. doi:10.1038/s41380-024-02478-9

Article Links: PubMed · Journal / DOI

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