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Outcomes after related and unrelated umbilical cord blood transplantation for hereditary bone marrow failure syndromes other than Fanconi anemia
Eurocord, Hospital Saint Louis APHP, IUH, Paris, France.
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2011 (English)In: Haematologica, ISSN 0390-6078, E-ISSN 1592-8721, Vol. 96, no 1, 134-141 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND:

Allogeneic stem cell transplantation is the only curative option for patients with hereditary bone marrow failure syndromes. Umbilical cord blood is an alternative source of stem cells for allogeneic transplantation.

DESIGN AND METHODS:

This multicenter, retrospective study is based on data reported to the Eurocord Registry about patients with hereditary bone marrow failure syndrome who underwent umbilical cord blood transplantation.

RESULTS:

Sixty-four patients with hereditary bone marrow failure syndromes were transplanted from related (n = 20) or unrelated donors (n = 44). Diagnoses were Diamond-Blackfan anemia (21 patients), congenital amegakaryocytic thrombocytopenia (16 patients), dyskeratosis congenita (8 patients), Shwachman-Diamond syndrome (2 patients), severe congenital neutropenia (16 patients) and unclassified (1 patient). In the group of patients who received grafts from related donors, all patients but one received an HLA-matched sibling transplant. The median number of total nucleated cells infused was 5 × 10⁷/kg. The cumulative incidence of neutrophil recovery at 60 days was 95%. Two patients had grade II-IV acute graft-versus-host disease, while the 2-year cumulative incidence of chronic graft-versus-host disease was 11%. The 3-year overall survival rate was 95%. In the group of patients who received grafts from unrelated donors, 86% had HLA-mismatched grafts and three received two umbilical cord blood units. The median number of total nucleated cells infused was 6.1 × 10⁷/kg. The cumulative incidence of neutrophil recovery at day 60 in this group was 55%. The 100-day cumulative incidence of grade II-IV acute graft-versus-host disease was 24%, while the 2-year cumulative incidence of chronic graft-versus-host disease was 53%. The 3-year overall survival rate was 61%; better overall survival was associated with age less than 5 years (P = 0.01) and 6.1 × 10⁷/kg or more total nucleated cells infused (P = 0.05).

CONCLUSIONS:

In patients with hereditary bone marrow failure syndromes, related umbilical cord blood transplantation is associated with excellent outcomes while increasing cell dose and better HLA matching might provide better results in unrelated umbilical cord blood transplantation.

Place, publisher, year, edition, pages
2011. Vol. 96, no 1, 134-141 p.
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Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-172777DOI: 10.3324/haematol.2010.027839PubMedID: 21071499OAI: oai:DiVA.org:uu-172777DiVA: diva2:515706
Note
Johan Arvidson, Uppsala universitet, Institutionen för kvinnors och barns hälsa, Barnonkologisk forskning/Pfeifer, har medverkat med datainsamling.Available from: 2012-04-14 Created: 2012-04-14 Last updated: 2017-12-07Bibliographically approved

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