Abstract
A large‐scale open‐label trial conducted at electroconvulsive therapy (ECT) clinics has found that twice‐weekly dosing of ketamine was noninferior to three sessions a week of ECT in patients with treatment‐resistant major depression. Relapse rates during a 6‐month follow‐up period after the initial 3‐week treatment period were higher among patients receiving ECT than patients receiving ketamine. Study results were published May 24, 2023, in the New England Journal of Medicine.
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