Blueprint Medicines Corporation, a precision therapy company, develops medicines for people with cancer and hematologic disorders, and multiple programs for genomically defined cancers, systemic mastocytosis, and cancer immunotherapy in the United States and Europe. The company is developing avapritinib for the treatment of systemic mastocytosis (SM) and gastrointestinal stromal tumors; BLU-263, an orally available, potent, and KIT inhibitor for the treatment of non-advanced SM and other mast cell disorders; and fisogatinib, an orally available and potent inhibitor, which is in Phase 1b/2 trials for the treatment of advanced hepatocellular carcinoma. It is also developing pralsetinib for the treatment of RET-altered non-small cell lung cancer, altered solid tumors, medullary thyroid carcinoma, and other solid tumors; BLU-701 and BLU-945, a selective and potent investigational inhibitors of double-mutant EGFR harboring, which are in preclinical stage for patient with EGFR-driven NSCLC. In addition, the company is developing BLU-782, an oral and investigational activin-like kinase 2 inhibitor, which is in Phase I clinical trials for the treatment of fibrodysplasia ossificans progressive. It has collaboration and license agreements with Clementia Pharmaceuticals, Inc.; CStone Pharmaceuticals; Genentech, Inc.; and F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc. The company was formerly known as Hoyle Pharmaceuticals, Inc. and changed its name to Blueprint Medicines Corporation in June 2011. Blueprint Medicines Corporation was incorporated in 2008 and is headquartered in Cambridge, Massachusetts.