HEMLIBRA® interferes with certain laboratory assays

Some currently available tests were not designed for use with HEMLIBRA

In patients taking HEMLIBRA, aPTT and other clotting-based assays provide false readings and should not be used to make clinical treatment decisions.

FVIII=factor VIII.

*Chromogenic FVIII activity tests may be manufactured with either human or bovine coagulation proteins. 

Please see additional Important Safety Information below and full Prescribing Information.

Laboratory Monitoring Information

How to select appropriate laboratory assays while using HEMLIBRA

National Broadcast

Register to learn more about the expanded indication of HEMLIBRA airing on Thursday, October 18, 2018.
Use one of the codes below:
7:00pm ET: PRF87072-P
9:00pm ET: PRF87073-P