Ablative Allogeneic Hematopoietic Cell Transplantation in Adults 60 Years of Age and Older

Author:

Wallen Herschel1,Gooley Theodore A.1,Deeg H. Joachim1,Pagel John M.1,Press Oliver W.1,Appelbaum Frederick R.1,Storb Rainer1,Gopal Ajay K.1

Affiliation:

1. From the Clinical Research Division, Fred Hutchinson Cancer Research Center, and the Departments of Medicine, Division of Medical Oncology, and Biostatistics, University of Washington, Seattle, WA

Abstract

Purpose To evaluate outcomes of ablative allogeneic hematopoietic cell transplantation (HCT) in older patients with hematologic malignancies. Patients and Methods We treated 52 patients from 1979 to 2002 with a median age of 62.8 years (range, 60.1 to 67.8 years) using ablative preparative regimens followed by allogeneic HCT from sibling donors. Diagnoses included myelodysplastic syndrome (MDS; n = 35), chronic myeloid leukemia (CML; n = 8), acute myeloid leukemia (AML; n = 6), and other (n = 3). Conditioning regimens included cyclophosphamide (CY) and busulfan (BU) (67%), total-body irradiation and CY (21%), BU-fludarabine (10%), and CY (2%). Results Eighteen (35%) of 52 patients are alive at a median of 4.6 years (range, 0.8 to 9.1 years) after transplantation. Median overall survival (OS) and progression-free survival were 300 and 218 days, respectively. Three-year OS and relapse rates are estimated to be 34% and 24%, respectively. Nonrelapse mortality (NRM) rates at 100 days and 3 years are estimated to be 27% and 43%, respectively. Grade 3 to 4 acute graft-versus-host disease (GVHD) occurred in 20% of patients, and chronic extensive GVHD was described in 53% of patients. Fourteen (40%) of 35 patients with MDS are alive at a median of 2.8 years (range, 0.8 to 8.2 years). Four of six patients with CML in chronic or accelerated phase are alive at a median of 6.9 years (range, 4.1 to 9.1 years) after transplantation. None of the patients with AML, CML in blast crisis, or other diagnoses have survived. Patients who underwent transplantation after 1993 had improved survival. Conclusion These data suggest that allogeneic HCT is feasible in selected patients ≥ 60 years of age, although novel methods to reduce NRM while maintaining efficacy are needed.

Publisher

American Society of Clinical Oncology (ASCO)

Subject

Cancer Research,Oncology

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