Elpiscience Biopharma Ltd. is out-licensing to Astellas Pharma Inc. two preclinical bispecific macrophage engagers – ES-019, an anti-PD-L1/SIRPα bispecific antibody, and another unnamed program – in a deal worth up to $1.7 billion. The deal marks the Shanghai-based company’s first out-licensing deal, Elpiscience CEO Darren Ji told BioWorld, noting that Astellas will have global rights to both molecules with a potential to in-license two more.