Matters arising: Methodological concerns and interpretative limitations of assessing subjective effects of ketamine

Abstract

The letter addresses critical issues in the methodology and conclusions of the meta-analysis, including inconsistencies in study design, methodological flaws in comparing correlation coefficients, and discrepancies in reported results and their interpretation. It contributes significantly to the ongoing discussion on psychedelic-assisted therapies and highlights the need for more standardized methodologies in future research.