On April 25, 2025, Shanghai Escugen Biotechnology Co., Ltd. and ConjugateBio Inc., based in the United States, jointly announced the signing of an exclusive option agreement for the EZWi-Fit® platform technology.

On December 7, 2025, at the 67th ASH® Annual Meeting, Escugen presented via poster the first clinical data from its Phase 1/2 trial of ESG206 for patients with relapsed/refractory primary immune thrombocytopenia. ESG206 is a glycoengineered humanized anti-BAFF-R monoclonal antibody.