YZYBIO-B (02496) has announced that the New Drug Application for its self-developed bispecific antibody drug M701, intended for the treatment of malignant ascites caused by advanced epithelial malignancies, has been formally accepted by the National Medical Products Administration. This acceptance is based on findings from a Phase III clinical trial conducted in China, which evaluated the efficacy and safety of intraperitoneal infusion of M701 in patients with advanced epithelial tumors presenting moderate to large amounts of malignant ascites. The relevant research data is scheduled to be presented at the 2026 American Society of Clinical Oncology annual meeting.