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Robert J. Soiffer, MD


Medical Oncology

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Physician

  • Chair, Executive Committee for Clinical Programs
  • Vice Chair, Department of Medical Oncology
  • Chief, Division of Hematologic Malignancies
  • Co-Chief, Stem Cell Transplantation and Cellular Therapies
  • Institute Physician
  • Professor of Medicine, Harvard Medical School

Centers/Programs

Clinical Interests

  • Chronic lymphocytic leukemia
  • Leukemias
  • Lymphoma
  • Stem cell/bone marrow transplantation

Diseases Treated

  • Allogeneic Stem Cell Transplant

Contact Information

  • Appointments617-632-5138 (new)
    617-632-6256 (follow-up)
  • Office Phone Number617-632-6256
  • Fax617-632-5168

Bio

Dr. Soiffer graduated from New York University School of Medicine in 1983, and trained in internal medicine at Brigham and Women's Hospital, where he also was chief medical resident. He joined DFCI in 1988, after completing a medical oncology fellowship. He is currently chief of the Division of Hematologic Malignancies and codirector of the Adult Stem Cell Transplantation Program. Dr. Soiffer is chairman of the Center for International Blood and Marrow Transplant Research advisory committee and has served as vice president (2006), president (2007), and immediate past president (2008) of the American Society of Blood and Marrow Transplantation.

Board Certification:

  • Internal Medicine, 1986
  • Medical Oncology, 1989

Fellowship:

  • Dana-Farber Cancer Institute, Hematology & Oncology

Residency:

  • Brigham and Women's Hospital, Chief Medical Resident
  • Brigham and Women's Hospital, Internal Medicine
  • West Roxbury Veterans Administration Medical Center, Chief Medical Resident

Medical School:

  • New York University

Recent Awards:

  • Baruj Benacerraf Fellow, DFCI 1997
  • Scholar for Clinical Research, Leukemia Society of America 1999
  • Brian O'Dell Memorial Research Award 2001
  • Lee M. Nadler "Extra Mile" Award, DFCI 2004

Research

Immunomodulation and Hematopoietic Stem Cell Transplantation

The focus of our research for the past decade has been the development of treatment strategies to modulate the immune system of patients with cancer. These efforts are based on studies of patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT) for hematologic malignancies. Although allogeneic transplantation can cure a proportion of these individuals, success is limited by transplant-related complications such as graft-versus-host disease (GVHD). It has long been recognized that T lymphocytes from the donor marrow play a pivotal role in the pathogenesis of GVHD. In patients undergoing HSCT, depleting donor marrow T cells with an antibody to a T cell surface structure results in a dramatic decrease in the incidence of GVHD. This approach also eliminates the need for immune-suppressive medications. These agents can be toxic, causing organ damage and increasing susceptibility to infection. Recently we have explored strategies to selectively infuse CD8+ depleted lymphocytes in hopes of prompting graft-versus-leukemia (GVL) activity without producing GVHD. We validated this strategy in a randomized trial of CD8-depleted donor lymphocyte infusions after T cell-depleted allotransplantation, and are now conducting further trials on CD8 depletion. While T cell depletion reduces GVHD, its effect on immune reactivity may lead to an increased risk of relapse of certain leukemias after transplantation. Preserving and restoring this GVL activity without compromising safety is a major thrust of our clinical and laboratory research. Working within the Cell Manipulation Core Facility, we have begun to identify specific T cell populations that may play a critical role in mediating antileukemia activity. We are exploring the role of regulatory T cells (Tregs) in the development of GVHD and GVL reactions, and have initiated a clinical trial to augment GVL reactivity using an antibody to CTLA4Ig, a molecule that controls immune reactions.We are also investigating vaccination strategies for preventing relapse in allogeneic transplant patients. Previously, in collaboration with Dr. Glenn Dranoff, we found that vaccination with irradiated autologous tumor cells - genetically engineered to secrete granulocyte-macrophage colony stimulating factor (GM-CSF) - induced histologic, cellular, and humoral evidence of autologous antitumor immunity in nontransplant patients. We are combining vaccine approaches with the administration of allogeneic donor stem cells in hopes of inducing a synergistic antileukemia effect.

Location

Dana-Farber Cancer Institute
450 Brookline Avenue
Boston, MA 02215
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