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Am J Hematol. 2007 Jun;82(6):460-2.

In vitro reactivity of factor VIII inhibitors with von Willebrand factor in different commercial factor VIII concentrates.

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  • 1Haemophilia Centre and Regional Blood Disease Centre, Castelfranco Veneto Hospital, Azienda ULSS 8, Regione Veneto, Italy. gtagariello@ulssasolo.ven.it

Abstract

A relevant aspect in the treatment of patients with hemophilia A (HA) presenting inhibitor against factor VIII (FVIII) is the different antigenicity of FVIII used for replacement therapy. The aim of the study was to assess the effect of different products, with variable von Willebrand factor (vWF) concentration, in preventing the binding of inhibitor to FVIII. The reactivity of inhibitors from plasma of 18 patients with HA versus three commercial concentrates containing different amounts of vWF was compared. The results show that increasing amounts of vWF might have a protective effect on the transfused FVIII inactivation.

(c) 2007 Wiley-Liss, Inc.

PMID:
17211843
[PubMed - indexed for MEDLINE]
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