Several genetic and environmental factors can play a role in the development of inhibitors against treatment with factor VIII in hemophilia A patients, according to a review study. The review, “Risk factors for inhibitor development in severe hemophilia A,” was published in the journal Thrombosis Research. Severe…
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Hemophilia A is a genetic bleeding disorder caused by a deficiency in clotting factor VIII (FVIII). Treatments include FVIII replacement therapies, such as Kovaltry, which can reduce bleeding episodes. Hemlibra (emicizumab) also effectively lowers bleeds in severe hemophilia A patients, regardless of inhibitors.
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Patients with hemophilia A who switched to Kovaltry (octocog alfa) — a recombinant, or lab-made, factor VIII (rFVIII) replacement therapy given at home — had significantly fewer bleeds than with their previous standard half-life replacement therapies, a real-world study in Italy reported. The therapy also reduced the frequency…
In the U.S., hemophilia A is estimated to affect one in every 5,000 male births, hemophilia B one in 25,000 male births, and hemophilia C one in every 100,000 people (males and females). Hemophilia A is thus four times more common than hemophilia B, and about 10 times more common than…
When given as a preventive treatment for nearly six years, Hemlibra (emicizumab) safely and effectively lowered the number of bleeding episodes in patients with severe hemophilia A, according to data from a Phase 1 clinical trial and its long-term extension study. Importantly, reductions in the number of bleeds…
Results from two Phase 3 trials support the use of emicizumab for the preventive treatment of hemophilia A in children, adolescents, and adults, Genentech announced. These results will be presented at the 26th International Society on Thrombosis and Haemostasis (ISTH) Meeting July 8-13 in Berlin, Germany. Emicizumab is an…
Bayer has filled a Biologics License Application (BLA) with the U.S. Food and Drug Administration (FDA) requesting marketing approval for its long-acting human Factor VIII therapy, BAY94-9027, to treat hemophilia A. The therapy is designed to allow for dosing at intervals as long as once every seven days. The…
The U.S. Food and Drug Administration (FDA) is extending its review of BioMarin Pharmaceutical’s request to approve the gene therapy Roctavian (valoctocogene roxaparvovec) for adults with severe hemophilia A. A decision had been expected by the end of this month, but that date has now been…
Humate-P (human antihemophilic factor/von Willebrand factor complex) is a plasma-derived factor replacement therapy approved to prevent and treat bleeding episodes in people with hemophilia A.
A single dose of the experimental gene therapy SPK-8016 showed promising safety and efficacy in lowering the frequency of bleeds and the need for infusions in men with severe hemophilia A. These preliminary findings from an ongoing Phase 1/2 trial (NCT03734588) were presented by Spencer Sullivan, MD,…
Note: This story was updated Jan. 8, 2021, to clarify that the second set of experiments in mice and non-human primates used a research construct, not the gene therapy. Generation Bio has announced new data showing that its investigational non-viral gene therapy platform can increase levels of the clotting…