Bone Marrow Transplantation for Patients with Myelodysplasia

Pretreatment Variables and Outcome

Abstract

Study Objective: To determine the efficacy of allogeneic bone marrow transplantation for severe myelodysplasia, and to identify variables predictive of outcome.

Design: Case series study.

Setting: A referral-based bone marrow transplant center.

Patients: Consecutive series of 59 patients with myelodysplasia or closely related disorders and either life-threatening cytopenia or a progressive increase in marrow blast percentage.

Intervention: Patients were treated with high-dose cyclophosphamide and total body irradiation followed by allogeneic bone marrow transplantation from either an HLA-identical (n = 45) or HLA-partially matched (n = 14) donor.

Measurements and Main Results: The product-limit estimate for disease-free survival 3 years after transplant is 45% (95% CI, 32% to 59%). The commonest causes of death after transplant were disease recurrence, interstitial pneumonia, and graft-versus-host disease, accounting for eight deaths each. In a univariate analysis, younger patients, those with shorter disease duration, and those whose disease was characterized by an abnormal cytogenetic karyotype had better survival and disease-free survival than the group as a whole. In a multivariate analysis, younger age and abnormal karyotype were independent predictors of improved disease-free survival and overall survival. Patients who received transplants when they had fewer blasts in their bone marrow had a decreased chance for disease recurrence when compared with patients with excess blasts.

Conclusions: Bone marrow transplantation offers a potential cure for many patients with myelodysplasia. Best results can be expected in younger patients who receive transplants relatively early in their disease course.

Article and Author Information

  • From the Fred Hutchinson Cancer Research Center and the University of Washington School of Medicine, Seattle, Washington. For current author addresses, see end of text.

  • Grant Support: By grants CA 15704, CA 18221, CA 09515, HL 36444, and CA 18029 from the National Cancer Institute and the National Heart, Lung and Blood Institute, National Institutes of Health, and a Research Career Award AI 02425 from the National Institute of Allergy and Infectious Diseases, National Institutes of Health.

  • Requests for Reprints: Frederick R. Appelbaum, MD, Fred Hutchinson Cancer Research Center, 1124 Columbia Street, Seattle, WA 98104.

  • Current Author Addresses: Drs. Appelbaum, Storb, Fisher, Shulman, Anasetti, Bearman, Beatty, Bensinger, Buckner, Hansen, Martin, Petersen, Sanders, Stewart, Sullivan, Witherspoon, and Thomas and Mr. Schoch, Mr. Ramberg, and Mr. Clift: Fred Hutchinson Cancer Research Center, 1124 Columbia Street, Seattle, WA 98104.

    Dr. Barrall: 1821 23rd Avenue East, Seattle, WA 98112.

    Dr. Singer: Veterans Affairs Medical Center, 1660 South Columbian Way, Seattle, WA 98108.

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