Timeline Helix Image that scrolls down the page

Every step has been evolving the
science of gene therapy in hemophilia B

Timeline image of milestones in hemophilia treatment advances (patient website)

1970First patients ever receive gene therapy

1997First rFIX products approved by FDA

1999First gene therapy trial in Hemophilia B

2018Late-stage trials for gene therapy in hem B underway

Every step has been
evolving the science
of gene therapy in
hemophilia B

We’re working to make
gene therapy a reality for you

DNA visual (BLUE)

ABOUT CSL BEHRING

With a history spanning over 100 years, CSL Behring has been focused on serving patients’ needs by using the latest technologies to develop and deliver innovative therapies. Our advances in hemophilia treatment, and serving that community, have spanned decades. It’s all part of delivering on our promise to transform the lives of people around the world living with serious and rare diseases.