Welcome to the UK site for IDELVION®albutrepenonacog alfa
(Recombinant Coagulation Factor IX, Albumin Fusion Protein)

If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in the package leaflet. You can also report side effects directly via the Yellow Card Scheme at https://yellowcard.mhra.gov.uk. By reporting side effects you can help provide more information on the safety of these medicines.