A Double-blind, Placebo-controlled Study of Antidepressant Augmentation With Agomelatine

The purpose of this study was to investigate the efficacy and safety of antidepressant augmentation with agomelatine in the treatment of patients with depression who did not demonstrate satisfying response to selective serotonin reuptake inhibitor (SSRI) and serotonin-noradrenaline reuptake inhibitor (SNRI) during their early phase of treatment; this study also aims to explore the effects of augmenting antidepressant treatment with agomelatine on various aspects, including sleep quality, quality of life, social functioning, and cognitive function in patients with MDD.