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Blood, 15 September 2006, Vol. 108, No. 6, pp. 2127-2130. Prepublished online as a Blood First Edition Paper on May 25, 2006; DOI 10.1182/blood-2006-04-007898.
TRANSPLANTATION Autologous graft-versus-host diseaselike syndrome after an alemtuzumab-containing conditioning regimen and autologous stem cell transplantation for chronic lymphocytic leukemiaFrom the Departments of Internal Medicine III and Pathology, University of Ulm, Ulm, Germany; the Department of Internal Medicine II, University of Schleswig-Holstein, Kiel, Germany; the Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany; and the Department of Internal Medicine I, University of Cologne, Cologne, Germany.
A high incidence of autologous graft-versus-host-disease (auto-GVHD) was observed after an alemtuzumab-containing conditioning regimen and autologous stem cell transplantation (auto-SCT) for chronic lymphocytic leukemia (CLL). Skin rash developed in almost all surviving patients (87%). In 7 patients (58%), a diagnosis of auto-GVHD was made (compared with 0% after TBI/Cy; P = .01). All patients with auto-GVHD required immunosuppression, and 3 of 7 were hospitalized because of GVHD. The median duration of GVHD was 517 days (range, 60-867 days). Auto-GVHD was associated with an abnormally high CD4/CD8 ratio because of severe depletion of CD8+ T cells, pointing to a potential pathomechanism. High nonrelapse-related mortality led to the discontinuation of the trial. Current results do not support the use of high-dose alemtuzumab combined with total body irradiation (TBI) and autologous stem cell transplantation (auto-SCT). However, the addition of alemtuzumab led to improved disease control at the molecular level. Longer follow-up will show whether the GVHD-like syndrome may contribute to prolonged minimal residual disease (MRD) negativity.
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