Choose the only FIX FDA approved to deliver powerful bleed protection with up to 14-day dosing*

#1 FACTOR IX CHOICE When Changing Therapy

What can IDELVION do for you?

Explore the benefits

*In appropriate people 12 years and older. Talk with your doctor.

Zero median annualized spontaneous bleeding rate when dosed at 7 or 14 days in clinical trials.

Average FIX levels with 7-day dosing over 92 weeks in clinical trials.

§Steady state is a consistent and uniform amount of factor in the body with continued use.

I'm glad I switched to IDELVION. Having that protection and that peace of mind has been everything to me

Why Tony chooses IDELVION to stay protected.

Get your FREE IDELVION Welcome Kit!

Get everything you need to know in the Welcome Kit. Receive news about IDELVION, hemophilia B, and assistance programs that may help you with treatment.

Considering switching FIX therapies?

IDELVION offers a wide variety of resources to help people with hemophilia B.

Explore resources

References: 1. Hemophilia FIX Market Assessment, Third-Party Market Research. 2. Data on file. Available from CSL Behring as DOF IDL-002.

You are now leaving the current website.

Do you want to continue?

No Yes