Volume 115, Issue 3 pp. 622-629

Treatment of relapse after allogeneic bone marrow transplantation with reduced intensity conditioning (FLAG ± Ida) and second allogeneic stem cell transplant

R. Pawson

R. Pawson

Royal Free and University College Medical School, London, UK,

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M. N. Potter

M. N. Potter

Royal Free and University College Medical School, London, UK,

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P. Theocharous

P. Theocharous

Royal Free and University College Medical School, London, UK,

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M. Lawler

M. Lawler

Trinity College Dublin, Ireland,

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M. Garg

M. Garg

Manchester Royal Infirmary, Manchester,

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J. A. Liu Yin

J. A. Liu Yin

Manchester Royal Infirmary, Manchester,

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K. Rezvani

K. Rezvani

Imperial College Medical School, London, and

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C. Craddock

C. Craddock

Imperial College Medical School, London, and

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S. Rassam

S. Rassam

Queen Mary's Hospital, Sidcup, London, UK

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H. G. Prentice

H. G. Prentice

Royal Free and University College Medical School, London, UK,

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First published: 20 December 2001
Citations: 65
Professor H. G. Prentice, Bone Marrow Transplant Programme, Royal Free Hospital, Pond St., London NW3 2QG, UK. E-mail: [email protected]

Abstract

Acute leukaemias in relapse after allogeneic stem cell transplantation (SCT) respond poorly to donor leucocyte infusions (DLI) compared with chronic myeloid leukaemia (CML), at least in part because of faster disease kinetics. Fludarabine-containing ‘non-myeloablative’ chemotherapy followed by further allo SCT may offer more rapid and effective disease control. We report 14 patients with relapse after allo SCT for acute leukaemia [seven acute myeloid leukaemia (AML), five acute lymphoblastic leukaemia (ALL)] or refractory anaemia with excess blasts in transformation (RAEB-t, n = 2) treated with fludarabine, high-dose cytosine arabinoside (ara-C) and granulocyte colony-simulating factor (G-CSF) with (n = 10) or without (n = 2) idarubicin (FLAG ± Ida) or DaunoXome (FLAG-X) (n = 2) and second allo SCT from the original donor. Donors were fully human leucocyte antigen (HLA) -matched in 13 cases with a single class A mismatch in one. Actuarial overall survival was 60% and disease-free survival was 26% at 58 months. Remissions after the second SCT were longer than those after the first bone marrow transplantation (BMT) in eight of the 13 assessable patients to date. Haematopoietic recovery was rapid. Transplants were well tolerated with no treatment-related deaths. The major complication was graft-versus-host disease (GvHD, acute  grade II−2 cases, chronic – eight cases, two limited, six extensive) although there have been no deaths attributable to this. FLAG ± Ida and second allo SCT is a safe and useful approach and may be more effective than DLI in the treatment of acute leukaemias relapsing after conventional allo SCT.

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