Leads Biolabs’ Opamtistomig (PD-L1/4-1BB Bispecific Antibody) Abstract Published by WCLC: Extended Follow‑Up Shows Continued Efficacy Improvement

NANJING, China, Aug. 19, 2026 (GLOBE NEWSWIRE) -- Nanjing Leads Biolabs Co., Ltd. (“Leads Biolabs” or the “Company,” Stock Code: 9887.HK) today announced that the full abstract of the Phase II clinical study evaluating its proprietary drug candidate LBL-024 (Opamtistomig, a PD-L1/4-1BB bispecific antibody) in combination with chemotherapy as a first-line treatment for non-small cell lung cancer (“NSCLC”) has been published on the official website of the World Conference on Lung Cancer (the “WCLC”). Based on data analyzed as of March 6, 2026, LBL-024 in combination with chemotherapy demonstrated an encouraging antitumor activity in the overall population, with robust tumor shrinkage observed in both the squamous and non-squamous NSCLC. The abstract data were based on a median follow‑up of 3.6 months. Updated data with over 7 months of follow‑up will be presented in an oral presentation at WCLC on September 14, 2026.