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  • Title: Unmanipulated donor lymphocytes for EBV-related PTLD after T-cell depleted HLA-haploidentical transplantation.
    Author: De Pasquale MD, Mastronuzzi A, De Vito R, Cometa A, Inserra A, Russo C, De Ioris MA, Locatelli F.
    Journal: Pediatrics; 2012 Jan; 129(1):e189-94. PubMed ID: 22144701.
    Abstract:
    Epstein-Barr virus (EBV)-related post-transplantation lymphoproliferative disorder (PTLD) is a life-threatening complication in patients given T-cell-depleted hematopoietic stem cell transplantation from an HLA-haploidentical relative (haplo-HSCT). We report the case of a child who developed severe EBV-related PTLD after haplo-HSCT from his mother. Despite receiving the anti-CD20 monoclonal antibody, the patient presented with intestinal obstruction due to huge abdominal lymphadenopathy, hematemesis, and nodulary pulmonary lesions. Histology showed that the lesions were due to CD20-/CD19+ large neoplastic B cells. The patient underwent double intestinal resection with partial abdominal lymphadenectomy and then received 3 monthly doses of donor-derived unmanipulated mononuclear cells. The initial dose of CD3+ cells was 3 10(5)/kg recipient body weight. The 2 additional doses consisted of 5 10(5) CD3+ cells/kg. No sign or symptom attributable to graft-versus-host disease was observed, and the patient completely cleared EBV-related lesions. The child was disease-free for 13 months after the first lymphocyte infusion. This case demonstrates that repeated infusions of controlled numbers of donor CD3+ cells cure EBV-related PTLD in haplo-HSCT without inducing graft-versus-host disease.
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