Up to $2 billion on the table in new ADC development deal

9 May 2023

Japanese drugmaker Eisai (TYO: 4523) has entered into an agreement with Chinese firm Bliss Biopharmaceutical to develop an antibody-drug conjugate (ADC).

Eisai is interested in BB-1701, an ADC composed of its in-house developed anticancer agent eribulin, and an anti-HER2 antibody.

The agreement builds on an existing collaboration, agreed in 2018, in which Eisai granted BlissBio global exclusive development rights for several ADCs which use this payload.

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