bluebird bio, Inc., a biotechnology company, engages in researching, developing, and commercializing of transformative gene therapies for severe genetic diseases and cancer. Its gene therapy programs include LentiGlobin for the treatment of Ã-thalassemia and sickle cell disease; and Lenti-D for the treatment of cerebral adrenoleukodystrophy. The company's product candidates in oncology include bb2121 and bb21217, which are chimeric antigen receptor T (CAR T) cell product candidates for the treatment of multiple myeloma. It has a strategic collaboration with Bristol-Myers Squibb to discover, develop, and commercialize disease-altering gene therapies in oncology; and Regeneron Pharmaceuticals, Inc. to discover, develop, and commercialize various immune cell therapies for cancer. The company also has collaborations with Medigene AG to discover T cell receptor (TCR) product candidates in the field of cancer; Gritstone Oncology, Inc. to discover TCR product candidates in the field of cancer; TC BioPharm Limited to research and develop gamma delta CAR T cells directed at hematologic and solid tumor targets; Forty Seven, Inc. to pursue clinical proof-of-concept for an antibody-based conditioning regimen; and Novo Nordisk A/S to develop in vivo genome editing treatments for genetic diseases. 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.