bluebird bio, Inc., a clinical-stage biotechnology company, focuses on developing transformative gene therapies for severe genetic and rare diseases. Its advanced product candidate is Lenti-D, which is in phase II/III clinical studies for the treatment of childhood cerebral adrenoleukodystrophy, a rare, hereditary neurological disorder affecting young boys; and LentiGlobin that is in phase I/II clinical studies for the treatment of beta-thalassemia major and severe sickle cell disease (SCD) in France, as well as a phase I study in the United States for the treatment of severe SCD. The company also develops various CAR T cell products for liquid and solid tumor cancers. bluebird bio, Inc. has a strategic collaboration with Celgene Corporation to discover, develop, and commercialize disease-altering gene therapies in oncology; and a collaboration with Seattle Children's Research Institute to develop transformative gene therapies for various inherited blood diseases, including bubble boy disease, SCD, and immune deficiency or marrow failure syndromes. The company was formerly known as Genetix Pharmaceuticals, Inc., and changed its name to bluebird bio, Inc. in September 2010. bluebird bio, Inc. was founded in 1992 and is headquartered in Cambridge, Massachusetts.