Marisa Wexler, MS,  senior science writer—

Monthly treatment with the investigational medication fitusiran can reduce bleeding in people with hemophilia A and B, with or without inhibitors, according to data from two Phase 3 clinical trials. “We are encouraged by the data from these initial Phase 3 studies demonstrating fitusiran’s potential as a new…

Amarna Therapeutics has secured €5 million (about $5.6 million) in new funding, which it plans to use for developing its lead product, AMA005, an investigational gene therapy that aims to restore blood clotting in people with hemophilia B. The goal is to advance the company’s hemophilia B program…

In the first clinical trial of the experimental therapy SIG-001 for hemophilia A, one patient developed scarring in the spheres used to deliver the therapy that rendered the treatment ineffective, its developer, Sigilon Therapeutics, announced. The Phase 1/2 trial was put on hold by the U.S. Food and Drug…

Preventive treatment with Hemlibra (emicizumab) is safe and can effectively prevent bleeds in people with mild or moderate hemophilia A, according to an interim analysis of data from the HAVEN 6 clinical trial. Results will be presented at the annual meeting of the American Society of Hematology (ASH)…

Chugai Pharmaceutical is asking regulatory authorities in Japan to extend the use of Hemlibra (emicizumab) in preventing or reducing the frequency of bleeding episodes to people with acquired hemophilia A. Hemophilia A is caused by genetic mutations that make the body unable to produce a fully functional…

The first documented case of a previously untreated hemophilia B patient developing inhibitors against the extended half-life therapy Alprolix was described in a report from Canada. The report also shows how combining routine administration of Alprolix with medications that suppress the immune system can be used to stop…

Poseida Therapeutics and Takeda are working together to develop non-viral gene therapies for hemophilia and other genetic diseases. “Together with Takeda, we look forward to developing potential cures for a number of genetic diseases with high unmet need,” Eric Ostertag, MD, PhD, Poseida’s CEO, said in a press…

A newly designed platform based on the principle of “reverse vaccination” could be used to prevent the development of an immune response that blocks the effectiveness of treatments for hemophilia and other disorders. “For nearly a third of patients with hemophilia A … their own immune system is…

Most people with hemophilia A on preventive treatment with Hemlibra (emicizumab) will experience spontaneous or traumatic bleeds at some point, according to a study using real-world data from Israel. Results also indicated the risk of spontaneous bleeds while on Hemlibra is higher for older individuals. “Our findings indicate that…

Preventive treatment with Hemlibra (emicizumab) safely and effectively reduced bleeding rates in children with hemophilia A who were treated at a center in Texas, according to a new report. “We demonstrate a successful experience with emicizumab prophylaxis and safe [surgical] approach with a focus on minimizing postoperative bleeding,”…