Group 1 - The National Medical Products Administration (NMPA) has announced a reward system for internal whistleblowers reporting major violations in drug and medical device quality safety, reflecting a commitment to strengthen regulatory oversight in the industry [1] - The introduction of an internal whistleblower incentive mechanism is expected to enhance compliance management among pharmaceutical and medical device manufacturers, promoting long-term healthy development in the industry [1] Group 2 - Sanofi's new drug application for a recombinant anti-IL-1β humanized monoclonal antibody injection for acute gouty arthritis has been accepted by the NMPA, following successful Phase III clinical trials [2] - With over 80 million gout patients in China and a rapid annual growth rate of 9.7%, the market potential for this treatment is significant, and targeting IL-1β is a valuable therapeutic option [2] - The differentiated binding site of the new drug compared to existing products may provide a competitive edge, although its clinical efficacy needs to translate into market competitiveness [2] Group 3 - Zai Lab has signed an exclusive marketing service agreement with Merck's Swiss subsidiary for a recombinant human thyroid-stimulating hormone injection, with a potential maximum authorization fee of RMB 250 million [3] - The agreement includes an initial payment of RMB 50 million and a subsequent payment of RMB 200 million upon approval of the first indication for the product, which is currently in the registration phase [3] - The introduction of this product is expected to fill a gap in the market for post-operative diagnosis of thyroid cancer, leveraging the synergy with Merck's other recommended thyroid medications [3] Group 4 - Maipu Medical has announced plans to acquire 100% equity of Yijie Medical through a combination of share issuance and cash payment, aiming to expand its product offerings into the interventional field [4] - The acquisition is expected to enhance the company's competitive advantage in the research and development of interventional biomaterials and improve marketing efficiency in neurology departments [4] - The company's stock will resume trading on June 6 following the announcement of this acquisition [4]