SHANGHAI and HONG KONG , Aug. 19, 2025 /PRNewswire/ -- Antengene Corporation Limited ( "Antengene" , SEHK: 6996.HK), a leading innovative, commercial-stage global biotech company dedicated to discovering, developing and commercializing first-in-class and/or best-in-class medicines for hematologic malignancies and solid tumors, today announced that its in-house discovered CLDN18.2 ADC, ATG-022,was granted a Breakthrough Therapy designation by the Center for Drug Evaluation (CDE) of the National Medical Products Administration (NMPA) for the treatment of CLDN18.2-positive, HER-2 negative unresectable or metastatic gastric or gastroesophageal junction (GC/GEJ) in patients who have received at least two prior lines of therapy.

To provide further details on the latest clinical data of ATG-022,

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