Targeted busulfan-based reduced-intensity conditioning and HLA-matched HSCT cure hemophagocytic lymphohistiocytosis
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Targeted busulfan-based reduced-intensity conditioning and HLA-matched HSCT cure hemophagocytic lymphohistiocytosis. / Felber, Matthias; Steward, Colin G; Kentouche, Karim; Fasth, Anders; Wynn, Robert F; Zeilhofer, Ulrike; Haunerdinger, Veronika; Volkmer, Benjamin; Prader, Seraina; Gruhn, Bernd; Ehl, Stephan; Lehmberg, Kai; Müller, Daniel; Gennery, Andrew R; Albert, Michael H; Hauck, Fabian; Rao, Kanchan; Veys, Paul; Hassan, Moustapha; Lankester, Arjan C; Schmid, Jana Pachlopnik; Hauri-Hohl, Mathias M; Güngör, Tayfun.
In: BLOOD ADV, Vol. 4, No. 9, 12.05.2020, p. 1998-2010.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Targeted busulfan-based reduced-intensity conditioning and HLA-matched HSCT cure hemophagocytic lymphohistiocytosis
AU - Felber, Matthias
AU - Steward, Colin G
AU - Kentouche, Karim
AU - Fasth, Anders
AU - Wynn, Robert F
AU - Zeilhofer, Ulrike
AU - Haunerdinger, Veronika
AU - Volkmer, Benjamin
AU - Prader, Seraina
AU - Gruhn, Bernd
AU - Ehl, Stephan
AU - Lehmberg, Kai
AU - Müller, Daniel
AU - Gennery, Andrew R
AU - Albert, Michael H
AU - Hauck, Fabian
AU - Rao, Kanchan
AU - Veys, Paul
AU - Hassan, Moustapha
AU - Lankester, Arjan C
AU - Schmid, Jana Pachlopnik
AU - Hauri-Hohl, Mathias M
AU - Güngör, Tayfun
N1 - © 2020 by The American Society of Hematology.
PY - 2020/5/12
Y1 - 2020/5/12
N2 - Reduced-intensity/reduced-toxicity conditioning and allogeneic T-cell replete hematopoietic stem cell transplantation are curative in patients with hemophagocytic lymphohistiocytosis (HLH). Unstable donor chimerism (DC) and relapses are clinical challenges . We examined the effect of a reduced-intensity conditioning regimen based on targeted busulfan to enhance myeloid DC in HLH. The European Society for Bone and Marrow Transplantation-approved reduced-intensity conditioning protocol comprised targeted submyeloablative IV busulfan, IV fludarabine, and serotherapy comprising IV alemtuzumab (0.5-0.8 mg/kg) for unrelated-donor and IV rabbit anti-T-cell globulin for related-donor transplants. We assessed toxicity, engraftment, graft-versus-host disease (GHVD), DC in blood cell subtypes, and overall survival/event-free survival. Twenty-five patients from 7 centers were treated (median age, 0.68 year). The median total dose and cumulative area under the curve of busulfan was 13.1 mg/kg (6.4-26.4) and 63.1 mg/L × h (48-77), respectively. Bone marrow, peripheral blood stem cell, or cord blood transplants from HLA-matched related (n = 7) or unrelated (n = 18) donors were administered. Donor cells engrafted in all patients (median: neutrophils d+20/platelets d+28). At last follow-up (median, 36 months; range, 8-111 months), the median DC of CD15+ neutrophils, CD3+ T cells, and CD16+56+ natural killer cells was 99.5% (10-100), 97% (30-100), and 97.5% (30-100), respectively. Eight patients (32%) developed sinusoidal obstruction syndrome, resolving after defibrotide treatment. The 3-year overall survival and event-free survival rates were both 100%. None of the patients developed acute grade III to IV GHVD. Limited chronic GVHD was encountered in 4%. This regimen achieves excellent results with stable DC in patients with HLH.
AB - Reduced-intensity/reduced-toxicity conditioning and allogeneic T-cell replete hematopoietic stem cell transplantation are curative in patients with hemophagocytic lymphohistiocytosis (HLH). Unstable donor chimerism (DC) and relapses are clinical challenges . We examined the effect of a reduced-intensity conditioning regimen based on targeted busulfan to enhance myeloid DC in HLH. The European Society for Bone and Marrow Transplantation-approved reduced-intensity conditioning protocol comprised targeted submyeloablative IV busulfan, IV fludarabine, and serotherapy comprising IV alemtuzumab (0.5-0.8 mg/kg) for unrelated-donor and IV rabbit anti-T-cell globulin for related-donor transplants. We assessed toxicity, engraftment, graft-versus-host disease (GHVD), DC in blood cell subtypes, and overall survival/event-free survival. Twenty-five patients from 7 centers were treated (median age, 0.68 year). The median total dose and cumulative area under the curve of busulfan was 13.1 mg/kg (6.4-26.4) and 63.1 mg/L × h (48-77), respectively. Bone marrow, peripheral blood stem cell, or cord blood transplants from HLA-matched related (n = 7) or unrelated (n = 18) donors were administered. Donor cells engrafted in all patients (median: neutrophils d+20/platelets d+28). At last follow-up (median, 36 months; range, 8-111 months), the median DC of CD15+ neutrophils, CD3+ T cells, and CD16+56+ natural killer cells was 99.5% (10-100), 97% (30-100), and 97.5% (30-100), respectively. Eight patients (32%) developed sinusoidal obstruction syndrome, resolving after defibrotide treatment. The 3-year overall survival and event-free survival rates were both 100%. None of the patients developed acute grade III to IV GHVD. Limited chronic GVHD was encountered in 4%. This regimen achieves excellent results with stable DC in patients with HLH.
KW - Animals
KW - Busulfan
KW - Hematopoietic Stem Cell Transplantation
KW - Humans
KW - Lymphohistiocytosis, Hemophagocytic/therapy
KW - Neoplasm Recurrence, Local
KW - Rabbits
KW - Transplantation Conditioning
U2 - 10.1182/bloodadvances.2020001748
DO - 10.1182/bloodadvances.2020001748
M3 - SCORING: Journal article
C2 - 32384542
VL - 4
SP - 1998
EP - 2010
JO - BLOOD ADV
JF - BLOOD ADV
SN - 2473-9529
IS - 9
ER -