CAMBRIDGE, Mass.--(BUSINESS WIRE)--Acceleron Pharma Inc. (NASDAQ:XLRN), a clinical stage biopharmaceutical company focused on the discovery and development of novel therapeutic candidates that engage the body’s ability to rebuild and repair its own cells and tissues, today announced that the Company will host a conference call and live webcast on Thursday, May 5, 2016 at 8:00 a.m. EDT to report its first quarter 2016 financial results and provide a corporate update.