BACKGROUND Intravenous (IV) ketamine is an effective therapy for treatment-resistant depression. A large data base is confirmatory and steadily expanding. Qualitative studies can inform best practices and suggest new research directions. As part of a clinical trial designed to identify biomarkers of ketamine response, a qualitative study was conducted to characterize experiences with: receiving...
We recently became aware of an error in the classification of one study subject's positive treatment response status at the end of the post-continuation phase of this study. We originally reported that all 5 subjects who achieved depressive symptom remission during the acute phase of the study (and thus received 4 weekly continuation phase ketamine infusions) were classified as responders at...