Leads Biolabs’ Opamtistomig (PD-L1/4-1BB Bispecific Antibody) Phase II Clinical Study for First-Line Treatment of Esophageal Squamous Cell Carcinoma Advances to Expansion Stage

globe_newswire · 2026-08-25 · Bullish AI sentiment

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NANJING, China, Aug. 24, 2026 (GLOBE NEWSWIRE) -- Nanjing Leads Biolabs Co., Ltd. (“Leads Biolabs” or the “Company,” Stock Code: 9887.HK) today announced that Opamtistomig (LBL-024), the Company’s proprietary PD-L1/4-1BB bispecific antibody, as a first-line treatment for locally advanced or metastatic esophageal squamous cell carcinoma (ESCC), has completed its safety run‑in assessment and advanced to the expansion phase based on encouraging efficacy signals and a favorable safety profile.

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