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Are You a Healthcare Professional?

This European website, initiated and developed by CSL Behring, has two separate sections with the aim to provide information on haemophilia for an international audience, either to European healthcare professionals or to the general public.*

Yes, I am a healthcare professional*

No, I am not a healthcare professional

*CSL Behring is legally obliged to restrict some areas of the website to healthcare professionals only. By clicking “Yes, I am a Healthcare Professional”, you confirm this statement is true and you accept all liability related to the above. If you are not a healthcare professional you can visit the section of this website for the general public.


  1. Nathwani AC, Tuddenham EGD, Rangarajan S, et al. Adenovirus-associated virus vector-mediated gene transfer in hemophilia B. New Engl J Med. 2011;365(25):2357-2365.
  2. Rangarajan S, Walsh L, Lester W, et al. AAV5-Factor VIII gene transfer in severe hemophilia A. New Engl J Med. 2017;377(26):2519-2530.
  3. Krumb E, Lambert C, Hermans C. Patient selection for hemophilia gene therapy: real-life data from a single center. Res Pract Thromb Haemost. 2021;5(3):390-394.
  4. EAHAD and ISTH. ISTH and EAHAD educational partnership on gene therapy.[press release] Accessed October 20, 2021.
  5. Miesbach W, Chowdary P, Coppens M, et al. Delivery of AAV-based gene therapy through haemophilia centers-a need for re-evaluation of infrastructure and comprehensive care: a joint publication of EAHAD and EHC. Haemophilia. 2021;27:967-973.