Zhi Tong Cai Jing·2025-07-04 06:09Group 1 - Junshi Biosciences (01877) saw its stock price increase by over 10%, currently trading at 26.2 HKD with a transaction volume of 4.52 billion HKD [1] - The preclinical research results of JS207, a recombinant humanized PD-1 and VEGF bispecific antibody developed by Junshi, were published in the journal "Frontiers in Immunology," detailing its molecular design, in vitro characteristics, functions, and anti-tumor efficacy [1] - According to Founder Securities, the preclinical data of JS207 demonstrates the potential of second-generation PD-1 antibodies in anti-tumor applications, indicating its business development (BD) potential [1] Group 2 - Reports indicate that AstraZeneca is in discussions with Summit regarding a collaboration on the AK112 drug, with a potential deal value of up to 15 billion USD [2] - PD-(L)1/VEGF bispecific antibodies are expected to be the next-generation cornerstone drugs in the immuno-oncology market, with ongoing combinations with ADC/TCE likely to expand market opportunities [2] - As of May 2025, only Pfizer and Merck have entered this market segment among multinational corporations, suggesting that other early-stage PD-(L)1/VEGF bispecific antibodies from China may have opportunities for business development abroad as data matures [2]