Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case series

Acquired von Willebrand syndrome (AVWS) is a well-known complication of a monoclonal gammopathy with a potentially severe bleeding tendency. Treatment with von Willebrand factor (VWF)/factor VIII (FVIII) concentrate yields mixed results in controlling the bleeding diathesis, while the use of intrave...

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Main Authors: Quentin Van Thillo, Finn Segers, Jan Brijs, Ulrike Douven, Radha Ramanan, Michel Delforge, Ann Janssens, Cédric Hermans, Johan De Bent, Marc Jacquemin, Thomas Vanassche, Peter Verhamme
Format: Article
Language:English
Published: SAGE Publishing 2025-06-01
Series:Therapeutic Advances in Hematology
Online Access:https://doi.org/10.1177/20406207251347235
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author Quentin Van Thillo
Finn Segers
Jan Brijs
Ulrike Douven
Radha Ramanan
Michel Delforge
Ann Janssens
Cédric Hermans
Johan De Bent
Marc Jacquemin
Thomas Vanassche
Peter Verhamme
author_facet Quentin Van Thillo
Finn Segers
Jan Brijs
Ulrike Douven
Radha Ramanan
Michel Delforge
Ann Janssens
Cédric Hermans
Johan De Bent
Marc Jacquemin
Thomas Vanassche
Peter Verhamme
author_sort Quentin Van Thillo
collection DOAJ
description Acquired von Willebrand syndrome (AVWS) is a well-known complication of a monoclonal gammopathy with a potentially severe bleeding tendency. Treatment with von Willebrand factor (VWF)/factor VIII (FVIII) concentrate yields mixed results in controlling the bleeding diathesis, while the use of intravenous immunoglobulins may be effective. However, clear guidelines for the optimal management of AVWS are lacking. Therefore, we retrospectively analyzed the cases of AVWS secondary to monoclonal gammopathy at the University Hospitals of Leuven. We confirm the beneficial effect of intravenous immunoglobulins in IgG-associated AVWS. For IgM-associated AVWS, we observed better results with the administration of VWF/FVIII concentrate or a combination of therapies. Of note, one patient with IgG-associated AVWS did not respond to immunoglobulins and had mutations in the VWF and fibrinogen gamma chain ( FGG ) genes. This report adds additional cases to the literature of this rare cause of acquired bleeding.
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spelling doaj-art-c495d38c6d5a4da69a43fd3950f8966a2025-06-24T19:03:19ZengSAGE PublishingTherapeutic Advances in Hematology2040-62152025-06-011610.1177/20406207251347235Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case seriesQuentin Van ThilloFinn SegersJan BrijsUlrike DouvenRadha RamananMichel DelforgeAnn JanssensCédric HermansJohan De BentMarc JacqueminThomas VanasschePeter VerhammeAcquired von Willebrand syndrome (AVWS) is a well-known complication of a monoclonal gammopathy with a potentially severe bleeding tendency. Treatment with von Willebrand factor (VWF)/factor VIII (FVIII) concentrate yields mixed results in controlling the bleeding diathesis, while the use of intravenous immunoglobulins may be effective. However, clear guidelines for the optimal management of AVWS are lacking. Therefore, we retrospectively analyzed the cases of AVWS secondary to monoclonal gammopathy at the University Hospitals of Leuven. We confirm the beneficial effect of intravenous immunoglobulins in IgG-associated AVWS. For IgM-associated AVWS, we observed better results with the administration of VWF/FVIII concentrate or a combination of therapies. Of note, one patient with IgG-associated AVWS did not respond to immunoglobulins and had mutations in the VWF and fibrinogen gamma chain ( FGG ) genes. This report adds additional cases to the literature of this rare cause of acquired bleeding.https://doi.org/10.1177/20406207251347235
spellingShingle Quentin Van Thillo
Finn Segers
Jan Brijs
Ulrike Douven
Radha Ramanan
Michel Delforge
Ann Janssens
Cédric Hermans
Johan De Bent
Marc Jacquemin
Thomas Vanassche
Peter Verhamme
Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case series
Therapeutic Advances in Hematology
title Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case series
title_full Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case series
title_fullStr Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case series
title_full_unstemmed Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case series
title_short Acquired von Willebrand syndrome secondary to monoclonal gammopathy: a single-center case series
title_sort acquired von willebrand syndrome secondary to monoclonal gammopathy a single center case series
url https://doi.org/10.1177/20406207251347235
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