Sage Therapeutics’ (NSDQ:SAGE) and Biogen’s (NSDQ:BIIB) experimental depression drug zuranolone fared well in a Phase 3 clinical trial comparing it to placebo in the treatment of postpartum depression. The investigational drug demonstrated meaningful improvements in terms of the baseline 17-item Hamilton Rating Scale for Depression (HAMD-17) score, the most common clinician-administered depression assessment scoring system.…