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Spero Therapeutics and Innovent Biologics Announce Exclusive License for SP001 (IBI355), a Phase 2-Ready Third-Generation Anti-CD40L Antibody
GlobeNewswire Inc.·
Spero Therapeutics and Innovent Biologics announced an exclusive license agreement for SP001 (IBI355), a third-generation anti-CD40L antibody. Spero receives global rights excluding Greater China, with potential milestone payments totaling approximately $1.1 billion plus tiered royalties. Spero plans to initiate a Phase 2 trial in IgG4-related disease in Q2 2027, while Innovent will pursue a Phase 2 trial in Sjögren's disease in China by early 2027.
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