国内外药企竞相布局合胞病毒疫苗

Core Insights - The pharmaceutical industry is actively developing and launching products for the prevention and treatment of Respiratory Syncytial Virus (RSV), with three RSV prevention drugs already approved globally, including the monoclonal antibody Nirsevimab, developed by AstraZeneca and Sanofi [1][3][4] Group 1: Market Overview - The World Health Organization (WHO) has prioritized RSV prevention products for global development [3] - The market for passive immunization agents against RSV for infants aged 0-1 in China is projected to grow at a compound annual growth rate (CAGR) of 78.4%, reaching 2.99 billion yuan by 2028, and further growing at a CAGR of 23.68% to 6.99 billion yuan by 2032 [3] Group 2: Approved Products - Three RSV prevention drugs have been approved globally: Palivizumab by MedImmune, Clonrava by Merck, and Nirsevimab by AstraZeneca and Sanofi [3][4] - Nirsevimab is the first long-acting monoclonal antibody approved for RSV prevention, with approvals from the European Medicines Agency (EMA) in 2022 and the U.S. Food and Drug Administration (FDA) in 2023, and is set to be available in China in December 2023 [4] Group 3: Pricing and Administration - Nirsevimab is priced at 2,369 yuan for infants under 5 kg and 3,677 yuan for those over 5 kg [4] - Palivizumab requires monthly injections during the RSV season, making it less suitable for widespread use due to its high cost and limited target population [4] Group 4: Ongoing Research and Development - Domestic companies are actively developing RSV-related products, with Tanomab's TNM001 injection showing significant progress in clinical trials [5][6] - TNM001 is a recombinant human monoclonal antibody targeting the RSV F protein, designed to neutralize the virus and prevent cell fusion [5] - Other companies, including RuYang Biotech and Aikobaf, are also in the clinical stages of developing RSV treatments [6]