Salicylic Augmentation in Depression

This study is a randomized, double-blind, placebo-control trial. The primary aims of this study are: Aim 1: To evaluate the clinical effect of aspirin augmentation on depression. Aim 2: To assess the inflammatory profile of the blood of the aspirin augmentation responders compared with the non-responders. Aim 3: To evaluate whether immune gene expression patterns are associated with antidepressant response to aspirin. Aim 4: To collect samples for later, more detailed immunologic characterization.