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Regling K, Sidonio RF. Factor VIII stimulants and other novel therapies for the treatment of von Willebrand disease: what's new on the horizon? Expert Opin Pharmacother 2024:1-12. [PMID: 39155445 DOI: 10.1080/14656566.2024.2391526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Accepted: 08/08/2024] [Indexed: 08/20/2024]
Abstract
INTRODUCTION Von Willebrand disease (VWD) is the most common inherited bleeding disorder, affecting about 0.6% to 1.3% of the population, and is characterized primarily by mucocutaneous bleeding secondary to defective platelet adhesion and aggregation. Current therapeutic options for those with severe disease are limited and require frequent intravenous infusions. AREAS COVERED This review discusses the current and recently completed clinical trials involving pathways to FVIII augmentation for the treatment of VWD. Clinical trials registered on clinicaltrials.gov and published data via PubMed searches through June 2024 were included. EXPERT OPINION Available treatment options to those with VWD are limited in part due to limited clinical trials, the complexity of VWD types, and the pharmacokinetics of current treatment options. The development of therapeutic options that reduce treatment burden is necessary to improve quality of life and reduce bleeding complications and in recent years there has been an increased interest from industry to apply novel therapeutics for VWD. The FVIII mimetic, emicizumab, has demonstrated early success in patients with severe VWD and is a promising treatment option for those who require prophylaxis. Furthermore, products like efanesoctocog alfa (Altuviiio®) and BT200 have achieved enhanced VWF/FVIII half-life extension could expand the current treatment landscape while concurrently minimizing treatment burden.
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Affiliation(s)
- Katherine Regling
- Pediatric Hematology Oncology, Children's Hospital of Michigan, Detroit, MI, USA
- Department of Pediatrics, Central Michigan University College of Medicine, Mount Pleasant, MI, USA
| | - Robert F Sidonio
- Pediatric Hematology Oncology, Emory University and Aflac Cancer and Blood Disorders, Atlanta, GA, USA
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Seidizadeh O, Eikenboom JCJ, Denis CV, Flood VH, James P, Lenting PJ, Baronciani L, O'Donnell JS, Lillicrap D, Peyvandi F. von Willebrand disease. Nat Rev Dis Primers 2024; 10:51. [PMID: 39054329 DOI: 10.1038/s41572-024-00536-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/27/2024] [Indexed: 07/27/2024]
Abstract
von Willebrand disease (VWD) is the most common inherited bleeding disorder. The disorder is characterized by excessive mucocutaneous bleeding. The most common bleeding manifestations of this condition include nosebleeds, bruising, bleeding from minor wounds, menorrhagia or postpartum bleeding in women as well as bleeding after surgery. Other less frequent symptoms include gastrointestinal bleeding, haematomas or haemarthroses. VWD pathophysiology is complex and results from defects in von Willebrand factor (VWF) glycoprotein. Quantitative deficiencies are responsible for type 1 VWD with a partial decrease of VWF and type 3 with the complete absence of VWF. Qualitative abnormalities cause type 2 VWD, being further divided into types 2A, 2B, 2M and 2N. Although common, VWD is at risk of misdiagnosis, overdiagnosis and underdiagnosis owing to several factors, including complex diagnosis, variability of bleeding symptoms, presence of external variables (blood groups and other physiological modifiers such as exercise, thyroid hormones, oestrogens, and ageing), and lack of disease awareness among non-specialist health-care providers. Establishing the correct VWD diagnosis requires an array of specialized phenotypic assays and/or molecular genetic testing of the VWF gene. The management of bleeding includes increasing endogenous VWF levels with desmopressin or infusion of exogenous VWF concentrates (plasma-derived or recombinant). Fibrinolytic inhibitors, topical haemostatic agents and hormonal therapies are used as effective adjunctive measures.
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Affiliation(s)
- Omid Seidizadeh
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Jeroen C J Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - Cécile V Denis
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixte de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Veronica H Flood
- Department of Paediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Paula James
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Peter J Lenting
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixte de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Luciano Baronciani
- Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Milan, Italy
| | - James S O'Donnell
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - David Lillicrap
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - Flora Peyvandi
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy.
- Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Milan, Italy.
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Moser MM, Schoergenhofer C, Jilma B. Progress in von Willebrand Disease Treatment: Evolution towards Newer Therapies. Semin Thromb Hemost 2024; 50:720-732. [PMID: 38331000 DOI: 10.1055/s-0044-1779485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
von Willebrand disease (VWD) is a very heterogenous disease, resulting in different phenotypes and different degrees of bleeding severity. Established therapies (i.e., desmopressin, antifibrinolytic agents, hormone therapy for heavy menstrual bleeding, and von Willebrand factor [VWF] concentrates) may work in some subtypes, but not in all patients. In recent years, progress has been made in improving the diagnosis of VWD subtypes, allowing for more specific therapy. The impact of VWD on women's daily lives has also come to the fore in recent years, with hormone therapy, tranexamic acid, or recombinant VWF as treatment options. New treatment approaches, including the replacement of lacking factor VIII (FVIII) function, may work in those subgroups affected by severe FVIII deficiency. Reducing the clearance of VWF is an alternative treatment pathway; for example, rondaptivon pegol is a VWFA1 domain-binding aptamer which not only improves plasma VWF/FVIII levels, but also corrects platelet counts in thrombocytopenic type 2B VWD patients. These approaches are currently in clinical development, which will be the focus of this review. In addition, half-life extension methods are also important for the improvement of patients' quality of life. Targeting specific mutations may further lead to personalized treatments in the future. Finally, a few randomized controlled trials, although relatively small, have been published in recent years, aiming to achieve a higher level of evidence in future guidelines.
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Affiliation(s)
- Miriam M Moser
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | | | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
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Peyvandi F, Seidizadeh O, Mohsenian S, Garagiola I. Exploring nonreplacement therapies' impact on hemophilia and other rare bleeding disorders. Res Pract Thromb Haemost 2024; 8:102434. [PMID: 38873363 PMCID: PMC11169453 DOI: 10.1016/j.rpth.2024.102434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 06/15/2024] Open
Abstract
The management of hemophilia, von Willebrand disease (VWD), and rare coagulation disorders traditionally relied on replacement therapies, such as factor concentrates, to address clotting factor deficiencies. However, in recent years, the emergence of nonreplacement therapies has shown promise as an adjunctive approach, especially in hemophilia, and also for patients with VWD and rare bleeding disorders. This review article offers an overview of nonreplacement therapies, such as FVIII-mimicking agents and drugs aimed at rebalancing hemostasis by inhibiting natural anticoagulants, particularly in the management of hemophilia. The utilization of nonreplacement therapies in VWD and rare bleeding disorders has recently attracted attention, as evidenced by presentations at the International Society on Thrombosis and Haemostasis 2023 Congress. Nonreplacement therapies provide alternative methods for preventing bleeding episodes and enhancing patients' quality of life, as many of them are administered subcutaneously and allow longer infusion intervals, resulting in improved quality of life and comfort for patients.
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Affiliation(s)
- Flora Peyvandi
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
- Università degli Studi di Milano, Department of Pathophysiology and Transplantation, Milan, Italy
| | - Omid Seidizadeh
- Università degli Studi di Milano, Department of Pathophysiology and Transplantation, Milan, Italy
| | - Samin Mohsenian
- Università degli Studi di Milano, Department of Pathophysiology and Transplantation, Milan, Italy
| | - Isabella Garagiola
- Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Angelo Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa, Milan, Italy
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James P, Leebeek F, Casari C, Lillicrap D. Diagnosis and treatment of von Willebrand disease in 2024 and beyond. Haemophilia 2024; 30 Suppl 3:103-111. [PMID: 38481079 DOI: 10.1111/hae.14970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/05/2024] [Accepted: 02/08/2024] [Indexed: 04/22/2024]
Abstract
MANUSCRIPT BACKGROUND AND AIM The diagnosis and clinical care of patients with von Willebrand disease (VWD) has continued to evolve since the characterization of the von Willebrand factor (VWF) gene in 1985. This condition is almost certainly the most common inherited bleeding disorder, and the major symptomatic burden of the disease is experienced by females during their reproductive years. Diagnosis relies on the identification of a personal and family history of excessive mucocutaneous bleeding, and laboratory features consistent with quantitative and/or qualitative abnormalities of VWF. This review focuses on three aspects of VWD management, with current updates and a look into the future. MANUSCRIPT THEMES First, we will address the role of genetics in the diagnosis and possible therapies for VWD. With current technologies, VWD genetic diagnosis is usually confined to the confirmation of type 2 subtypes of the disease and type 3 VWD analysis for family planning. While type 3 VWD is a potential candidate for the application of gene therapy, no treatments are currently close to entering the clinic. Second, the peri-procedural management of patients with VWD remains an important element of care. The choice of product, its dose and schedule all require careful consideration depending upon the type and disruptive nature of the planned procedure. Lastly, in addition to gene therapy, several other novel therapeutic interventions are also being developed for bleeding and prophylaxis in VWD. These include a VWF aptamer interfering with VWF clearance and bioengineered forms of VWF.
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Affiliation(s)
- Paula James
- Departments of Medicine and Pathology and Molecular Medicine, Queen's University, Kingston, Canada
| | - Frank Leebeek
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Caterina Casari
- University Paris-Saclay, INSERM, Hemostasis Inflammation Thrombosis HITH U1176, Le Kremlin-Bicêtre, France
| | - David Lillicrap
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Canada
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Casari C, Leung J, James PD. New and emerging therapies for women, girls, and people with the potential to menstruate with VWD. Blood Adv 2023; 7:7501-7505. [PMID: 37967378 PMCID: PMC10758707 DOI: 10.1182/bloodadvances.2023010716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/24/2023] [Accepted: 11/09/2023] [Indexed: 11/17/2023] Open
Abstract
Innovation in therapies for patients with von Willebrand disease (VWD) has lagged far behind that for hemophilia, creating inequity in the bleeding disorder community. Although currently existing treatments of antifibrinolytics, desmopressin, and plasma-derived von Willebrand factor replacement are considered effective, multiple studies report poor quality of life in patients with VWD, especially those with heavy menstrual bleeding (HMB). This disconnect underscores the need for novel therapies that are safe and effective and that consider a patient's specific contraceptive and reproductive needs. Recombinant von Willebrand factor is the most recent new therapy for VWD; the data specific to women are reviewed. We also present emerging data on emicizumab for the treatment of VWD, BT200 (rondoraptivon pegol), generalized hemostatic therapies (VGA039 and HMB-011), as well as treatments based on nanotechnology (platelet-inspired nanoparticles and KB-V13A12). We are optimistic as we move toward pivotal clinical trials for these elegant and innovative treatments.
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Affiliation(s)
- Caterina Casari
- Université Paris-Saclay, INSERM, Hémostase Inflammation Thrombose HITH U1176, Le Kremlin-Bicêtre, France
| | - Jennifer Leung
- Department of Medicine, Queen’s University, Kingston, ON, Canada
| | - Paula D. James
- Department of Medicine, Queen’s University, Kingston, ON, Canada
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Sim MMS, Shiferawe S, Wood JP. Novel strategies in antithrombotic therapy: targeting thrombosis while preserving hemostasis. Front Cardiovasc Med 2023; 10:1272971. [PMID: 37937289 PMCID: PMC10626538 DOI: 10.3389/fcvm.2023.1272971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 10/06/2023] [Indexed: 11/09/2023] Open
Abstract
Antithrombotic therapy is a delicate balance between the benefits of preventing a thrombotic event and the risks of inducing a major bleed. Traditional approaches have included antiplatelet and anticoagulant medications, require careful dosing and monitoring, and all carry some risk of bleeding. In recent years, several new targets have been identified, both in the platelet and coagulation systems, which may mitigate this bleeding risk. In this review, we briefly describe the current state of antithrombotic therapy, and then present a detailed discussion of the new generation of drugs that are being developed to target more safely existing or newly identified pathways, alongside the strategies to reverse direct oral anticoagulants, showcasing the breadth of approaches. Combined, these exciting advances in antithrombotic therapy bring us closer than we have ever been to the "holy grail" of the field, a treatment that separates the hemostatic and thrombotic systems, preventing clots without any concurrent bleeding risk.
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Affiliation(s)
- Martha M. S. Sim
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, United States
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, KY, United States
| | - Semekidus Shiferawe
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, KY, United States
| | - Jeremy P. Wood
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, United States
- Saha Cardiovascular Research Center, University of Kentucky, Lexington, KY, United States
- Division of Cardiovascular Medicine Gill Heart and Vascular Institute, University of Kentucky, Lexington, KY, United States
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Aptamers Targeting Von Willebrand Factor: What and Why? Hemasphere 2023; 7:e830. [PMID: 36733441 PMCID: PMC9886510 DOI: 10.1097/hs9.0000000000000830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
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Novel approaches to antiplatelet therapy. Biochem Pharmacol 2022; 206:115297. [DOI: 10.1016/j.bcp.2022.115297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/05/2022] [Accepted: 10/05/2022] [Indexed: 11/20/2022]
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