A psychiatry journal has retracted a 2015 meta-analysis on the effectiveness of ketamine for depression after readers found that the article double-counted patients in some studies, thereby inflating the apparent benefits of the drug. The article, “Efficacy of ketamine in bipolar depression: systematic review and meta-analysis,” was published in the Journal of Psychiatric Practice by … Continue reading Ketamine for depression? Paper retracted for error that double-counted clinical trial participants