Leads Biolabs' PD-L1/4-1BB Bispecific Antibody Opamtistomig (LBL-024) Enters Phase Ⅱ Trial with First Patient Dosing in Gastric Cancer, Pioneering Enhanced Immunotherapy Combination StrategiesNANJING, China, April 21, 2026 (GLOBE NEWSWIRE) -- Nanjing Leads Biolabs Co., Ltd. (“Leads Biolabs” or the “Company,” Stock Code: 9887.HK) today announced that the first patient has been successfully dosed in a phase Ⅱ clinical study evaluating Opamtistomig (LBL-024), the company’s core investigational PD-L1/4-1BB bispecific antibody, for the first-line treatment of locally advanced or metastatic gastric or gastroesophageal junction adenocarcinoma.
Leads Biolabs’ Opamtistomig (PD-L1/4-1BB Bispecific Antibody) Advances to Expansion Phase in First-Line Biliary Tract Cancer Following Positive Safety and Preliminary Efficacy ResultsNANJING, China, April 09, 2026 (GLOBE NEWSWIRE) -- Nanjing Leads Biolabs Co., Ltd. (“Leads Biolabs” or the “Company,” Stock Code: 9887.HK) announced that its proprietary PD-L1/4-1BB bispecific antibody, Opamtistomig (LBL-024), has successfully completed the safety run-in stage of a Phase II clinical trial in the first-line treatment of advanced biliary tract cancer (BTC). Based on favorable safety and encouraging preliminary efficacy data, the study has progressed into the expansion phase, with the first patient already enrolled.
