Core Viewpoint - Biogen Inc. has received marketing authorization from the European Commission for ZURZUVAE® (zuranolone), the first and only treatment indicated for postpartum depression (PPD) in the European Union, representing a significant advancement in maternal health care [1][2][7]. Group 1: Product Information - ZURZUVAE is a once-daily, oral treatment for PPD, administered over a 14-day period, and can show symptom improvement as early as day 3 [2][6]. - The approval is based on the SKYLARK study, which demonstrated a significant mean reduction in depression severity as measured by the Hamilton Rating Scale for Depression (HAMD-17) at day 15 compared to placebo, with all key secondary endpoints also met [4][7]. - The most common side effects reported in patients treated with ZURZUVAE 50 mg include somnolence, dizziness, and sedation, occurring in 5% or more of patients [4]. Group 2: Market Context - Up to 20% of women in Europe experience symptoms of PPD, which is often underdiagnosed and undertreated due to varying clinical guidelines across countries [3][7]. - PPD is a leading cause of maternal mortality in Europe, highlighting the critical need for effective treatment options [3][7]. Group 3: Regulatory and Development Background - ZURZUVAE was previously approved by the U.S. Food and Drug Administration in August 2023 and received regulatory approval in the U.K. in August 2025 [5][8]. - Biogen entered into a collaboration with Sage Therapeutics in 2020 to develop and commercialize ZURZUVAE, with Supernus Pharmaceuticals completing the acquisition of Sage Therapeutics in July 2025 [7][8].