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2025 ASCO Presentation: Innovent Biologics Announces Updated Data of IBI354 (Novel anti-HER2 ADC) From the Phase 1/2 Clinical Study in Advanced Ovarian Cancer, Breast Cancer and Other Solid Tumors
Innovent Biologics, Inc. ("Innovent") (HKEX: 01801), a world-class biopharmaceutical company that develops, manufactures and commercializes high-quality medicines for the treatment of oncologic, autoimmune, cardiovascular and metabolic, ophthalmologic and other major diseases, updated the clinical data of IBI354 (HER2 monoclonal antibody-camptothecin derivative conjugate) in advanced solid tumors at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting.
About this update from Innovent Biologics, Inc.
[{"type":"text","content":"SAN FRANCISCO and SUZHOU, China, June 2, 2025 /PRNewswire/ -- Innovent Biologics, Inc. ("Innovent") (HKEX: 01801), a world-class biopharmaceutical company that develops, manufactures and commercializes high-quality medicines for the treatment of oncologic, autoimmune, cardiovascular and metabolic, ophthalmologic and other major diseases, updated the clinical data of IBI354 (HER2 monoclonal antibody-camptothecin derivative conjugate) in advanced solid tumors at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting.","length":554,"tagName":"p"},{"type":"text","content":"IBI354 has demonstrated promising anti-tumor efficacy and favorable safety profiles across multiple solid tumors. It not only holds potential to deliver a new generation of ADC therapies characterized by "high potency and low-toxicity" for tumor types such as ovarian cancer and breast cancer, but also validates the advantages of Innovent's ADC technology platform. The results of IBI354 lays the foundation for the subsequent development of Innovent's next-generation of bispecific ADCs and dual-payload ADCs, marking a milestone in Innovent's next-generation "IO+ADC" oncology development strategy.","length":633,"tagName":"p"},{"type":"text","content":"The data presented is from a Phase 1/2 clinical study (NCT05636215) aimed at evaluating the safety, tolerability, and preliminary efficacy of IBI354 in participants with advanced solid tumors. As of March 24, 2025, a total of 368 participants with advanced solid tumors were enrolled and received different doses of IBI354 monotherapy, the median follow-up duration was 11.5 months (range: 0.7-19.6), the median treatment duration was 27.0 weeks (range: 3.1-81.3) and 74 (20.1%) pts were still on treatment. The tumor types including 178 with breast cancer, 92 with ovarian cancer, 38 with colorectal cancer, and 60 with other tumors.","length":634,"tagName":"p"},{"type":"text","content":"IBI354 monotherapy demonstrated excellent safety profile","length":56,"tagName":"p"},{"type":"list","items":[{"val":[{"type":"text","content":"The dosage was escalated to 18mg/kg, with no DLT events observed.","length":65,"tagName":"p"}]},{"val":[{"type":"text","content":"The most common treatment-related adverse events (TRAEs) were anemia, nausea, and white blood cell count dec...