Hemophilia inhibitors can reduce treatment effectiveness and raise bleeding risks, but several therapies can help maintain control. Understanding your options can support more confident, informed care decisions.
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Hemophilia A is a genetic disorder causing deficient blood clotting due to a lack of factor VIII (FVIII). Inhibitors, antibodies that reduce treatment effectiveness, can develop in up to 30% of severe hemophilia A patients. Treatments for hemophilia A include factor replacement therapy, nonfactor therapies, bypassing agents, and gene therapy. Emicizumab is an antibody that replaces the function of clotting factor VIII.
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A recent clinical trial indicates that replacement therapy with plasma-derived factor VIII is associated with lower incidence for development of inhibitors in patients with severe hemophilia A. The study,“A Randomized Trial of Factor VIII and Neutralizing Antibodies in Hemophilia A,” was published in The New England Journal of…
Hemophilia A is a rare genetic disorder that affects the blood’s ability to clot properly. It is the most common form of hemophilia, responsible for 80% of all cases.
The hemophilia B treatment Rebinyn is available in the United States, its maker Novo Nordisk reports. Rebinyn, which is administered intravenously, replaces the blood clotting factor IX that is missing in the disease. The U.S. Food and Drug Administration approved it in May 2017 to control bleeding episodes and manage bleeding…
The Boston-based Institute for Clinical and Economic Review (ICER) says a “draft scoping document” outlining its planned comparative review of emicizumab‘s clinical effectiveness and value in treating hemophilia A will be available until Sept. 29. ICER’s report will be subject to a public deliberation in March 2018 by the…
In hemophilia A, the most significant therapeutic complication is the development of antibodies against factor VIII (FVIII) that inhibit its coagulant activity and make the therapy ineffective. The plasma-derived porcine FVIII product represents a therapy with low levels of autoantibodies and successful management of bleeding when compared to human plasma-derived products.
The European Medicines Agency (EMA) Pharmacovigilance Risk Assessment Committee (PRAC) has initiated a review of factor VIII-containing medicines, to evaluate the risk of inhibitor protein development in patients starting treatment for hemophilia A, according to a press release. This review, which will cover all medicines containing factor VIII authorized in the…
The U.S. Food and Drug Administration (FDA) has approved ASC Therapeutics’ request to open a clinical trial in the U.S. into the safety and early efficacy of ASC618, its second-generation gene therapy for hemophilia A. A Phase 1/2 trial (NCT04676048), set to start this month, will test…
Using a combination of genetic and functional approaches, scientists have identified new mutations in parts of the F8 gene that do not code for factor VIII (FVIII) in a small group of French and Canadian patients with hemophilia A. These results were described in the study, “The…
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7 Recommended Books to Learn More About Hemophilia
Hemophilia is a genetic disorder that prevents blood clotting. Most common in men, there are two main types of hemophilia: hemophilia A and B. Below is a curated list of recommended reads for family members, friends and carers of patients with hemophilia, with help from Good Reads and Alibris.