Businesswire·2025-11-14 12:00Core Viewpoint - Ionis Pharmaceuticals and Otsuka Pharmaceutical have received a positive opinion from the CHMP of the European Medicines Agency for DAWNZERA (donidalorsen) aimed at preventing recurrent attacks of hereditary angioedema in adults and adolescents aged 12 years and older [1] Company Summary - Ionis Pharmaceuticals, Inc. is collaborating with Otsuka Pharmaceutical Co., Ltd. on the development of DAWNZERA [1] - The positive opinion from the CHMP is a significant step towards potential approval by the European Commission [1] Industry Summary - The decision by the CHMP highlights the ongoing advancements in treatments for hereditary angioedema, a rare but serious condition [1] - The approval process by the European Commission will be closely monitored as it may impact market dynamics for treatments targeting hereditary angioedema [1]