655. Toward a brief, sensitive tool to assess depressive symptom outcomes in research and clinical practice: lessons from the RECOVER trial
Abstract Background In RECOVER, a 12-month, double-blind, randomized, controlled trial (RCT) comparing active versus sham adjunctive vagus nerve stimulation (VNS) in persons with markedly treatment-resistant depression (mTRD), total scores on the Quick Inventory of Depressive Symptomology–Clinician (QIDS-C) and –Self-R...