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Lookup NU author(s): Professor Anne Dickinson
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Severe acute graft-versus-host disease (GvHD) remains a serious complication of allogeneic stem cell transplantation. An in vitro skin explant assay was used to predict the occurence and severity of acute GvHD in a cohort of 30 pediatric patients undergoing human leucocyte antigen (HLA)-matched sibling transplants (20 patients) and matched or one antigen mismatched unrelated donor transplants (10 patients). In the cohort of HLA-matched sibling transplants. the result appeared to reflect the degree of GVHD prophylaxis. The skin explant assay correlated with GVHD outcome in 12 of 20 children, but this did not reach statistical significance (chi-square 0.95, d.f. =1, p=0.32). These results support previous observations. In this present cohort, patients were treated either with cyclosporin A (CsA) monotherapy(n = 7)or with CsA plus additional methotrexate (MTX) (n=13). We have previously demonstrated that the skin explant assay was not as predictive in patients receiving CsA plus additional MTX compared to cohorts treated with CsA alone. In the group of patients treated with CsA alone, four of five patients (80%) predicted to develop GvHD developed acute GvHD of grade II or above: of two patients predicted to develop only grade 0-I GvHD, one patient developed no GvHD and the other grade II GvHD. In the CsA plus MTX group, nine patients were predicted to develop GvHD. Five of nine (55%) developed acute GVHD of grade II or above. while three of four with grade 0 or I skin explant assay results developed only grade 0-I GVHD. In a cohort of 10 patients who received unrelated donor transplants, the skin explant assay correlated with GvHD outcome in all 10 patients (Fisher's exact test p=0.008). Hence. the skin explant assay is a pretransplant in vitro GVHD predictive test that predicts the occurence and severity of acute GvHD in pediatric unrelated donor transplants and to varying degrees, depending on the GvHD prophylaxis protocols. in HLA-matched sibling cohorts.
Author(s): Dickinson AM; Hromadnikova I; Sedlacek P; Stary J; Cermakova M; Vavrinec J; Stechova K; Dolezalova L; Sviland L
Publication type: Article
Publication status: Published
Journal: Pediatric Transplantation
Year: 2001
Volume: 5
Issue: 4
Pages: 258-265
ISSN (print): 1397-3142
ISSN (electronic): 1399-3046
Publisher: Wiley-Blackwell Publishing Ltd.
URL: http://dx.doi.org/10.1046/j.1397-3142.2001.00000.x
DOI: 10.1046/j.1397-3142.2001.00000.x
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