Journal of Psychiatric Research
June 12, 2026
Juliana Lima Constantino, Tobias Stephan Freimann, Jens H van Dalfsen et al.
Oral esketamine is a potentially effective and well-tolerated treatment for treatment-resistant depression (TRD). However, around 50% of TRD individuals treated with oral esketamine do not achieve response, and this variation in response may be accounted for by interindividual differences between patients. Efforts to develop effective and personalized depression treatment strategies are...
Open Science Framework
2026
Annemarie van der Meij, Sotiris Poyiadis, Andrea Cipriani et al.
This preregistration documents an update and extension of a meta-analysis of ketamine and esketamine for adults with treatment-resistant major depressive disorder (TRD). The project is nested within an existing network meta-analysis for TRD (NMA-TRD) project, which has already been fully specified and registered: • Muit et al., BMJ Open 2022 – protocol for a systematic review and network...
Journal of psychopharmacology (Oxford, England)
April 25, 2025
Jolien Ke Veraart, Sanne Y Smith-Apeldoorn, Annemarie van der Meij et al.
6 citations
Oral esketamine for patients with treatment-resistant depression (TRD) could offer certain advantages over other routes, such as intravenous or intranasal, but it has not been systematically studied in a real-world setting. Here we present results from a relatively large naturalistic study to evaluate the effectiveness, tolerability, and safety of oral esketamine in patients with TRD. One...
Molecular Psychiatry
September 1, 2024
Sanne Y Smith-Apeldoorn, Jolien K E Veraart, Jeanine Kamphuis et al.
23 citations
About one-third of patients with depression do not achieve adequate response to current treatment options. Although intravenous and intranasal administrations of (es)ketamine have shown antidepressant properties, their accessibility and scalability are limited. We investigated the efficacy, safety, and tolerability of generic oral esketamine in patients with treatment-resistant depression (TRD)...