CAMBRIDGE, Mass.--(BUSINESS WIRE)--Acceleron Pharma, Inc., a biopharmaceutical company developing protein therapeutics for cancer and orphan diseases, announced the initiation of a phase 2 study of dalantercept, a novel angiogenesis inhibitor that targets the activin receptor-like kinase 1 (ALK1) pathway. The phase 2 study is a two-part, randomized study of dalantercept in combination with axitinib (Inlyta®, Pfizer), a vascular endothelial growth factor (VEGF) receptor tyrosine kinase inhibitor, to treat patients with metastatic renal cell carcinoma (RCC). Acceleron, its partners, and collaborators have now initiated seven phase 2 studies across three of Acceleron’s programs – dalantercept (ACE-041), sotatercept (ACE-011), and ACE-536 – since November of 2012.
