First in a series.  Treatment for people living with hemophilia has long meant a lifetime of infusions, careful planning, and constant vigilance. But new therapies are rewriting what’s possible, particularly gene therapy. Domenic Catrine is a charismatic 21-year-old who lives with severe hemophilia B. A junior in college…

CSL Behring has closed an agreement giving it global commercialization and licensing rights to AMT-061, an experimental gene therapy for hemophilia B now being tested in a Phase 3 clinical trial. The therapy’s developer, uniQure, will receive an upfront cash payment of $450 million from CSL…

Note: This story was updated July 20, 2020, to note that Hemlibra binds to activated FIX and FX, rather than to FIX and FX. When given as preventive treatment to avoid spontaneous bleeds in people with hemophilia A with inhibitors, Hemlibra (emicizumab) continues to show a…

Bioverativ will present some of its most recent therapeutic advancements regarding hemophilia and other blood diseases at the 60th Annual Meeting of the American Society of Hematology (ASH) in San Diego, California, Dec. 1-4. The company, which is part of Sanofi, has focused on the development and commercialization of innovative…

While cleaning up recently, I found a physician-authored exercise guide from 2002 for Filipinos with hemophilia. It was fascinating to read, especially knowing that at the time, synthetic factor products were still scarce here in the Philippines. Treatment options were limited, and many people with hemophilia still relied…

Hemophilia A patients at a single center in France reported high rates of satisfaction with Hemlibra (emicizumab) after a year of real-world use, a study has found. Patients reported improvements in health and life quality, as well as reductions in pain and bleeding with the therapy, but problems…

In 2025, Hemophilia News Today delivered readers timely reporting on research, therapeutic options, and clinical trials for hemophilia. Below is a list of the top five most-read stories we published this year. As we enter 2026, we look forward to continuing to support and serve as a source…

The US Food and Drug Administration has granted Breakthrough Therapy Designation to biotech Spark Therapeutics and pharmacology giant Pfizer for the hemophilia B treatment SPK-9001. The designation allows expedited development and FDA review of the gene therapy currently undergoing a Phase 1/2 trial as a potential one-time therapy. The trial is recruiting patients.

AGC Biologics has agreed to produce the hemophilia B clotting therapy that Catalyst Biosciences is testing in clinical trials, the companies announced. The next step in testing CB 2679d will be a Phase 2b trial in the third quarter of 2018, according to Catalyst, which is based in South San Francisco.