This is a five-site, double-blind, placebo-controlled study of the acute efficacy of oral brexpiprazole or placebo combined with intranasal ketamine added to ongoing, stable, and adequate antidepressant therapy (ADT) in the treatment of adults with MDD with TRD. Adequate ADT is defined as a therapeutically sufficient dose for a sufficient treatment period, which would be expected to be effective as listed in the MGH ATRQ.
This is a multi-site, double-blind, placebo-controlled study of the acute efficacy of brexpiprazole or placebo in combination with intranasal ketamine added to ongoing, stable, and adequate antidepressant therapy (ADT) in the treatment of adults with Major Depressive Disorder with Treatment Resistant Depression.