The Effects of Psychotherapy on Single and Repeated Ketamine Infusion(s) Therapy for Treatment-Resistant Depression: The Convergence of Molecular and Psychological Treatment.

Abstract

Ketamine infusion therapy has gained recognition as an innovative treatment for treatment-resistant depression (TRD), demonstrating rapid and robust antidepressant effects. Its therapeutic promise is increasingly understood to involve molecular and neurobiological processes that promote neural plasticity and cognitive flexibility. These changes may create a unique window for psychotherapeutic interventions to take deeper effect. This retrospective chart review examined the clinical outcomes of individuals with TRD who received either single or repeated ketamine infusion(s), with or without weekly psychotherapy. Depression severity, measured by Beck Depression Inventory scores, was assessed pre-treatment and 30 days post-infusion(s). The results showed significant symptom reduction across all groups, with the most pronounced effects observed in those who received concurrent psychotherapy. While infusion number did not significantly alter outcomes, the integration of ketamine with psychotherapy appeared to enhance treatment response.

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