249. A head-to-head comparison of two biologically-based subtyping solutions for major depressive disorder
Abstract Background Major depressive disorder (MDD) is a heterogeneous psychiatric syndrome, and many patients do not respond fully to an initial trial of a selective serotonin reuptake inhibitor (SSRI), the most prescribed first-line antidepressant class. The neurobiological basis of heterogeneity in SSRI responses is...