Xiansheng Pharmaceutical (02096.HK) oncology unit Xiansheng Zaiming has signed
an exclusive global license with Roche for SIM0660, a CD79a/CD19/CD3 trispecific
antibody targeting multiple B‑cell diseases. Roche gains exclusive global
development, manufacturing and commercialization rights. Xiansheng Zaiming is
eligible for up to $1.53bn in total payments, including a $75m upfront, plus
tiered double‑digit royalties on future net sales.