Petosemtamab granted BTD for the treatment of previously treated HNSCC UTRECHT, The Netherlands and CAMBRIDGE, Mass., May 13, 2024 (GLOBE NEWSWIRE) -- Merus N.V. (NASDAQ:MRUS), a clinical-stage oncology company developing innovative, full-length multispecific antibodies (Biclonics® and Triclonics®) for cancer, today announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy Designation (BTD) for petosemtamab for the treatment of patients with recurrent or metastatic head and ...