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Clin Cancer Res. 2004 Jun 1;10(11):3586-92.

Successful engraftment after reduced-intensity umbilical cord blood transplantation for adult patients with advanced hematological diseases.

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  • 1Department of Hematology, Toranomon Hospital, Tokyo, Japan.



The purpose of this research was to evaluate the feasibility of reduced-intensity unrelated cord-blood transplantation (RI-UCBT) in adult patients with advanced hematological diseases.


Thirty patients (median age, 58.5 years; range, 20-70 years) with advanced hematological diseases underwent RI-UCBT at Toranomon Hospital between September 2002 and August 2003. Preparative regimen composed of fludarabine 25 mg/m(2) on days -7 to -3, melphalan 80 mg/m(2) on day -2, and 4 Gy total body irradiation on day -1. Graft-versus-host disease prophylaxis was composed of cyclosporin alone.


Twenty-six patients achieved primary neutrophil engraftment after a median of 17.5 days. Median infused total cell dose was 3.1 x 10(7)/kg (range, 2.0-4.3 x 10(7)/kg). Two transplant-related mortalities occurred within 28 days of transplant, and another 2 patients displayed primary graft failure. Cumulative incidence of complete donor chimerism at day 60 was 93%. Grade II-IV acute graft-versus-host disease occurred in 27% of patients, with median onset 36 days. Primary disease recurred in 3 patients, and transplant-related mortality within 100 days was 27%. Estimated 1-year overall survival was 32.7%. Excluding 7 patients with documented infection, 19 patients displayed noninfectious fever before engraftment (median onset, day 9). Manifestations included high-grade fever, eruption, and diarrhea. The symptoms responded well to corticosteroid treatments in 7 of 13 treated patients.


This study demonstrated the feasibility of RI-UCBT in adults.

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