Shanghai – October 18, 2026 -- Mabwell's Nectin-4-targeting antibody-drug conjugate 9MW2821 (Bulumtatug Fuvedotin, "BFv") achieved a 30.0% objective response rate in 60 efficacy-evaluable triple-negative breast cancer (TNBC) patients previously treated with a topoisomerase I (Topo I) ADC, according to Phase II data to be presented orally at the 2026 European Society for Medical Oncology (ESMO) Congress.

Shanghai – September 08, 2026 -- Mabwell (688062.SH, 02493.HK) reported that its anti-ST2 monoclonal antibody 9MW1911 reduced the annualized rate of severe COPD exacerbations by 100% in the 900 mg dose group compared with placebo, according to Phase Ib/IIa data presented as a poster at the European Respiratory Society International Congress 2026 (ERS 2026).