Usefulness of anti-factor VIII IgG ELISA in acquired hemophilia A follow-up.


Journal

Annals of hematology
ISSN: 1432-0584
Titre abrégé: Ann Hematol
Pays: Germany
ID NLM: 9107334

Informations de publication

Date de publication:
Nov 2022
Historique:
received: 28 03 2022
accepted: 28 08 2022
pubmed: 21 9 2022
medline: 12 10 2022
entrez: 20 9 2022
Statut: ppublish

Résumé

Acquired hemophilia A (AHA) is a rare autoimmune bleeding disorder due to the presence of neutralizing autoantibodies directed against the coagulation factor VIII (FVIII). The reference method to detect and quantify anti-FVIII antibodies is the Bethesda assay (BA), but it presents some limitations such as a lack of sensitivity for low titers of inhibitor and the need for experienced laboratory. A commercially available ELISA detecting anti-FVIII antibodies has demonstrated excellent sensitivity and specificity. The aim of our study was to assess the performance of this ELISA for the detection of anti-FVIII IgG in AHA patients during the follow-up. In total, 11 acquired hemophilia A patients were recruited, and anti-FVIII antibody levels were monitored by BA and ELISA. Anti-FVIII IgG ELISA showed 100% sensitivity and 100% specificity, and it correlated with the BA. Discrepancies observed in 13.3% of cases were consistent with patients' biological evolution. All these data suggest the possible use of anti-FVIII IgG ELISA for both diagnosis and follow-up of AHA patients.

Identifiants

pubmed: 36125542
doi: 10.1007/s00277-022-04972-y
pii: 10.1007/s00277-022-04972-y
doi:

Substances chimiques

Autoantibodies 0
Immunoglobulin G 0
Factor VIII 9001-27-8

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

2453-2460

Informations de copyright

© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

Références

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Auteurs

Albain Chansavang (A)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France.

Aurélien Philippe (A)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France.

Ines Bozinovic (I)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France.

Khalil Ben Hadj Ali (K)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France.

David Smadja (D)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou; INSERM, UMR-S1140, Innovative Therapies in Haemostasis; Université de Paris-Cité, Paris, France.

Dominique Helley (D)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou; INSERM, UMR-S970 - Paris Cardiovacasular Research Center (PARCC); Université de Paris Cité, Paris, France.

Luc Darnige (L)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou; INSERM, UMR-S1140, Innovative Therapies in Haemostasis, Paris, France.

Laetitia Mauge (L)

Biological Hematology Department, Assistance Publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou; INSERM, UMR-S970 - Paris Cardiovacasular Research Center (PARCC); Université de Paris Cité, Paris, France. laetitia.mauge@aphp.fr.

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