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Mabwell Announces Latest Clinical Data on 9MW2821 to Be Presented at 2026 ASCO Annual Meeting as Oral and Poster Presentations

The company said the 52-patient study showed an 83.0% response rate and no new safety signals.

  • Mabwell will present clinical study results for its Nectin-4-targeting ADC, BFv, at the 2026 American Society of Clinical Oncology Annual Meeting, including Phase Ib/II data for urothelial carcinoma and Phase II data for MIBC.
  • An innovation-driven biopharmaceutical company with a fully integrated industry chain, Mabwell maintains a mission to "Explore Life, Benefit Health" and a vision of "Innovation, from Ideas to Reality."
  • The Phase Ib/II clinical study of BFv for advanced urothelial carcinoma enrolled 52 patients, reporting an overall objective response rate of 83.0% and a disease control rate of 89.4%.
  • BFv has secured FDA Fast Track Designation for three indications, Orphan Drug Designation for one, and Breakthrough Therapy Designation from the CDE of the National Medical Products Administration for two.
  • Interim analysis for three Phase III clinical trials is planned for 2026, with applications for pre-NDA meetings expected for submission to the Center for Drug Evaluation under the National Medical Products Administration.
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Mabwell Announces Latest Clinical Data on 9MW2821 to Be Presented at 2026 ASCO Annual Meeting as Oral and Poster Presentations

SHANGHAI, May 21, 2026 /PRNewswire/ -- Mabwell (688062.SH, 02493.HK), an innovation-driven biopharmaceutical company with a fully integrated industry chain, will present multiple clinical study results of its novel Nectin-4-targeting ADC 9MW2821 (Bulumtatug Fuvedotin, BFv) at the 2026 American Society of…

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PR Newswire broke the news in United States on Friday, May 22, 2026.
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