Depression is a leading cause of disability worldwide, and improving its treatment is a global health priority.1 A third of patients do not achieve remission with current treatment approaches, which has a significant effect on occupational and social functioning.Reference Rush, Warden, Wisniewski, Fava, Trivedi and Gaynes2 First-line antidepressants also have limited efficacy in treating some symptom clusters, such as cognitive impairment.Reference Shilyansky, Williams, Gyurak, Harris,...