Pieris Pharmaceuticals Announces $5 Million Milestone from Seagen for Initiation of Phase 1 Trial of CD228 x 4-1BB Bispecific Molecule (Mabcalin SGN-BB228 (PRS-346)

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Jan 10, 2023

BOSTON, MA / ACCESSWIRE / January 10, 2023 / Pieris Pharmaceuticals, Inc. (NASDAQ:PIRS), a clinical-stage biotechnology company advancing novel biotherapeutics through its proprietary Anticalin® technology platform for respiratory diseases, cancer, and other conditions, today announced that the Company has achieved a $5 million milestone from Seagen. The milestone is based on dosing the first patient in a Seagen-sponsored phase 1 study of SGN-BB228 (PRS-346), a novel bispecific antibody-Anticalin molecule (Mabcalin™) that is designed to provide a potent costimulatory bridge between tumor-specific T cells and CD228 expressing tumor cells.