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Blood, 1 October 2007, Vol. 110, No. 7, pp. 2749-2756.
Prepublished online as a Blood First Edition Paper on July 2, 2007; DOI 10.1182/blood-2007-03-079665.
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Submitted March 14, 2007
Accepted June 27, 2007
Long-term results of related, myeloablative stem cell transplantation to cure sickle cell disease
Francoise Bernaudin*, Gerard Socie, Mathieu Kuentz, Sylvie Chevret, Michel Duval, Yves Bertrand, Jean-Pierre Vannier, Karima Yakouben, Isabelle Thuret, Pierre Bordigoni, Alain Fischer, Patrick Lutz, Jean-Louis Stephan, Nathalie Dhedin, Emmanuel Plouvier, Genevieve Margueritte, Dominique Bories, Suzanne Verlhac, Helene Esperou, Lena Coic, Jean-Paul Vernant, and Eliane Gluckman
Reference Center for Sickle Cell Disease, Intercommunal, Creteil, France
Transplant Unit, St-Louis Hospital, Paris, France
Hematology, Mondor Hospital, Creteil, France
Department of Statistics, St-Louis Hospital, Paris, France
Hemato-Pediatrics, Debre Hospital, Paris, France
Hemato-Pediatrics, Debrousse Hospital, Lyon, France
Hemato-Pediatrics, Charles-Nicoll Hospital, Rouen, France
Hemato-Pediatrics, la Timone Hospital, Marseille, France
Hemato-Pediatrics, Vandoeuvre Hospital, Nancy, France
Hemato-Pediatrics, Necker Hospital, Paris, France
Hemato-Pediatrics, de Hautepierre Hospital, Strasbourg, France
Hemato-Pediatrics, ICL Institut, St-Etienne, France
Hematology, Pitie Hospital, Paris, France
Hemato-Pediatrics, St-Jacques Hospital, Besancon
Hemato-Pediatrics, de Villeneuve Hospital, Montpellier, France
* Corresponding author; email: francoise.bernaudin{at}chicreteil.fr.
Allogeneic hematopoietic stem cell transplantation (HSCT) is the only curative treatment for sickle cell disease (SCD); nevertheless, its use has been limited by the risk of transplant-related mortality. Between November 1988 and December 2004, 87 consecutive patients with severe SCD, ranging from 2 to 22 years of age, were transplanted in France. Cerebral vasculopathy was the principal indication for transplantation (55 patients). All the patients received grafts from a sibling donor after a myeloablative conditioning regimen (CR). The only change in the CR during the study period was the introduction of antithymocyte globulin (ATG) in March 1992. The rejection rate was 22.6% before the use of ATG, but 3% thereafter. With a median follow-up of 6 years (range 2.0-17.9 years), the overall and disease-free survival (DFS) rates were 93.1% and 86.1%, respectively. Graft-versus-host disease (GvHD) was the main cause of TRM. Importantly, cord blood transplant recipients did not develop GvHD. No new ischemic lesions were detected after engraftment and cerebral velocities were significantly reduced. The outcome improved significantly with time as the DFS rate among the 44 patients transplanted after January 2000 was 95.3%. These results indicate that HLA-identical sibling HSCT after myeloablative conditioning with ATG should be considered as a standard of care for SCD children who are at high risk for stroke.

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