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Karen K. Ballen, MD

Professor, Department of Medicine, Harvard Medical School

Director Leukemia Program, Hematology, Massachusetts General Hospital

Contact Info

Karen Ballen
Massachusetts General Hospital
55 Fruit St
Boston, MA, 02114
Mailstop: Cox-640, Hematology/Oncology
Phone: 617-724-1124
Fax: 617-724-1126


Crystal Amoroso
Administrative Assistant
Massachusetts General Hospital
100 Blossom Street
Boston, MA, 02114
Phone: 617-724-3853
Fax: 617-724-3166

DF/HCC Program Affiliation


Research Abstract

My research interests focus on novel therapies for leukemia and transplantation. A particular area of specialty is cord blood transplantation for those patients who do not have matched related or unrelated donors. We are currently performing sequential (double) cord blood transplantation in adults. Other areas of interest are in bloodless transplant approaches, and the use of parathyroid hormone to improve stem cell mobilization.
We are also investigating new treatments for myelodysplasia, with the use of thalidomide and bortezomib.


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