Youcare Pharmaceutical (SH:688658) Ge Long Hui A P P·2025-12-02 08:25Core Viewpoint - Yuyuan Pharmaceutical (688658.SH) has received approval from the National Medical Products Administration (NMPA) for its YKYY018 aerosol inhalation agent, which is intended for post-exposure prophylaxis and treatment of respiratory syncytial virus (RSV) infections, and will initiate Phase I clinical trials [1] Group 1 - YKYY018 is developed by Yuyuan's subsidiary, Beijing Yuyuan Kechuang Pharmaceutical Technology Co., Ltd., utilizing a full-process AI platform [1] - The drug is an international original membrane fusion inhibitor with a novel mechanism of action, specifically binding to the F protein of the respiratory syncytial virus [1] - YKYY018 has dual functions for both treatment and prevention of RSV infections, and the company holds core patent rights with global exclusivity [1]