Abstract
Treatment-resistant depression (TRD) is a substantial public health burden with limited treatment options. Recent evidence suggests that single and repeated-dose ketamine infusions have rapid and significant antidepressant effects on individuals with TRD. Few studies have compared single or repeated (6) ketamine infusions past 14 days post-treatment. This retrospective chart review study investigated the long-term effects of single (n = 9) and repeated (6) (n = 5) high-dose (1 mg/kg) intravenous ketamine infusions on TRD 30 days post-infusion(s) (N = 14). Changes in depressive symptoms were measured by comparing Beck Depression Inventory (BDI-II) scores pre- and 30 days post-treatment for an understanding of long-term efficacy in clinical practice. Results indicated that ketamine has the potential to be an effective and enduring intervention for TRD, adding treatment and management options that are currently limited.
Published Version
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