The human von Willebrand factor (vWF) is a human plasma-derived vWF, an endogenous large multimeric plasma glycoprotein involved in hemostasis. It serves a dual role in hemostasis by mediating platelet adhesion and aggregation at the site of blood vessel injury and stabilizing procoagulant factor VIII (FVIII). Exogenous sources of vWF are used to restore functional levels of vWF in blood disorders associated with deficient or abnormal blood clotting. The human vWF is used to manage and control bleeding episodes in patients with von Willebrand disease and hemophilia A. It was first approved by the FDA in 2015. As vWF is normally present in the blood as a stable complex with coagulation factor III, therapeutic vWF products are also available as a combination product with antihemophilic factor human. A recombinant form of vWF, vonicog alfa, is also available to enhance production and avoid the theoretical risk of pathogen transmission from plasma donors.
The von Willebrand factor (vWF) is indicated to manage and control bleeding episodes in adults with von Willebrand disease. It is also used for perioperative management of bleeding in these patients. It is also used for routine prophylaxis to reduce the frequency of bleeding episodes in patients with severe Type 3 von Willebrand disease receiving on-demand therapy.
In combination with antihemophilic factor human, vWF is also used to manage and control bleeding associated with von Willebrand disease in children and adults, as well as for perioperative management of bleeding in these patients. This combination product is also used for the management and control of bleeding episodes in adolescents and adults with hemophilia A, as well as for routine prophylaxis to reduce the frequency of bleeding episodes.
PHI University Clinic for Child Diseases, Skopje, North Macedonia
FSBI National Research Medical Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russian Federation
Danylo Halytsky Lviv National Medical University, Communal Institution of Lviv Regional Council "Western Ukrainian Specialized Children's Medical Centre", Lviv, Ukraine
University Hospital Basel, Basel, Switzerland
Caen Study Site, Caen, France
Clamart Study Site, Clamart, France
Paris Study Site - Lariboisiere, Paris, France
Republican Research Center for Radiation Medicine and Human Ecology, Gomel, Belarus
State Institution "National Children's Specialized Hospital "OKHMATDYT" of the Ministry of Health of Ukraine," Center of Hemostasis Pathology, Kyiv, Ukraine
"Specialized Hospital for Active Treatment of Haematological Diseases" EAD, Sofia, Sofia, Bulgaria
Medical University Innsbruck / Department for Anesthesia and Intensive Care Medicine, Innsbruck, Austria
Medical University Innsbruck / Department for General and Surgical Critical Care Medicine, Innsbruck, Austria
Kirov SSC Hematology and Transfusiology, Kirov, Russian Federation
"National Children's Specialized Clinic "OKHMATDYT", Kyiv, Ukraine
"Western Ukrainian Specialized Children's Medical Center", Lviv, Ukraine
Stollery children's hospital, University of Alberta, Edmonton, Alberta, Canada
Hamilton Health Science center, Toronto, Ontario, Canada
Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
Tulane University, New Orleans, Louisiana, United States
University of California, Davis, Sacramento, California, United States
Rady Children's Hospital San Diego, San Diego, California, United States
Specialized Hospital for Active Treatment "Joan Pavel", Sofia, Bulgaria
National Haemophilia Centre, Budapest, Hungary
Korczowski Bartosz Gabinet Lekarski, Rzeszow, Poland
Seid-ol-Shohada Hospital - Hemophilia Center - Esfahan University of Medical Science, Esfahan, Iran, Islamic Republic of
Hemophilia- Thalassaemia Center of Mashhad (Sarvar Clinic) - Mashad University of Medical Science, Mashhad, Iran, Islamic Republic of
Iranian Hemophilia Comprehensive Treatment Centre - Iranian Hemophilia Society, Tehran, Iran, Islamic Republic of
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