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  • Title: HLA-DRB1*09 is associated with increased incidence of cytomegalovirus infection and disease after allogeneic hematopoietic stem cell transplantation.
    Author: Du J, Liu J, Gu J, Zhu P.
    Journal: Biol Blood Marrow Transplant; 2007 Dec; 13(12):1417-21. PubMed ID: 18022570.
    Abstract:
    Cytomegalovirus (CMV) infection is a major complication after allogeneic hematopoietic stem cell transplantation (allo-HSCT); however, we have little information on the clinical association of various human leukocyte antigen (HLA) alleles with CMV infection. We reviewed medical records of 60 patients who underwent allo-HSCT. The effect of the 7 most frequent HLA alleles on the incidence of CMV infection and disease was analyzed, including HLA-A*02, A*11, A*24, B*13, B*40(60), DRB1*15, and DRB1*09. All the patients were monitored for CMV infection at least once weekly within 3 months. CMV infection was found in 38 (63.3%) patients on a median of day 36 (range: 16-89). Diagnosis of CMV disease was established in 6 (10.0%) patients, comprising pneumonia (n = 2), enterocolitis (n = 2), and hemorrhagic cystitis (n = 2). CMV disease was successfully treated using ganciclovir or foscarnet combined with immune globulins in 4 patients. The other 2 patients died without improvement of CMV disease. In multivariate analysis, grade II-IV acute graft-versus-host disease (aGVHD), CMV seronegative donors, and HLA-DRB1*09 were associated with increased incidence of CMV infection and disease after allo-HSCT. We suggest that more cautions should be taken to prevent CMV infection in patients with HLA-DRB1*09 after allo-HSCT.
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