News|Videos|November 3, 2026

Phase 1 Study of BGB-B2033 (GPC3 x 4-1BB Bispecific Antibody) Monotherapy: First Disclosure of Dose Optimization and Dose Escalation Update in Advanced Hepatocellular Carcinoma

Rapid readout: BGB-233 shows strong responses and good safety in heavily pretreated liver cancer, with 36% ORR at 450 mg and Phase 3 planned.

Hong Jae Chon, MD, PhD, of CHA Bundang Medical Center in Seongnam, South Korea, reviews updated dose escalation data and the first disclosure of randomized dose optimization results from the phase 1 study of BGB-B2033, a GPC3 x 4-1BB bispecific antibody, in patients with previously treated advanced hepatocellular carcinoma, as presented at the 2026 ESMO Congress.


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