Are your patients properly anticoagulated?
Posted on: January 16, 2024
This is an archived edition of our email newsletter.
It’s Not Just Support. It’s Solutions.
Measuring Warfarin in Patients
with a Lupus Anticoagulant
Throughout last year, the use of DOACs in patients with antiphospholipid antibody syndrome (aPS) has been debated. Here we address two key questions:
- What are the options for monitoring a patient with the presence of a strong LA inhibitor, where INRs might be unreliable?
- What test can measure the effect of warfarin to help ensure the patient is in therapeutic range?
The chromogenic Factor X assay can be used here to measure % Factor X (FX) levels. Chromogenic FX activity levels have shown utility for monitoring warfarin therapy in patients where INR is unreliable, such as in aPS.
The DiaPharma Factor X Kit is accessible, FDA cleared, and offered by reference labs across the U.S.
Visit diapharma.com to learn more.
Reference: Rosborough T.K., Shepherd M.F. Unreliability of international normalized ratio for monitoring warfarin therapy in patients with lupus anticoagulant. Pharmacotherapy. 2004;24(7):838–842.
View our full portfolio of hemostasis and thrombosis assays at diapharma.com.
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