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STA®-Liquid Anti-Xa: the universal reagent, liquid & ready to use!

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Stago offers a comprehensive range for anticoagulant monitoring. STA®-Liquid Anti-Xa is a specific, easy to use and reliable test. Fully automated test on STA® line analysers, it is the solution of choice for UFH, LMWH, fondaparinux, apixaban, rivaroxaban, edoxaban testing.

It is based on the inhibition of a known amount of factor Xa by the patient's sample heparin/DOAC. The residual factor Xa activity assessed by a colorimetric test will be inversely proportional to the heparin/DOAC concentration.

STA®-Liquid Anti-Xa main features are summarised in the table below:




Liquid format:

4 & 8 mL

·  Ready-to-use:
no reconstitution steps

·  Reduced handling time:
always available

·  No waste of reagent:
budget is optimized.

Working range:

UFH: 0.1 to 1.1 IU/mL

LMWH: 0.1 to 2.0
IU Anti-Xa/mL

FDX: 0.1 to 2.0 µg/mL

·  No re-dilutions

·  Allows to detect accumulation

·  User-friendly & secure:
no analytical mistake


Dedicated and
hybrid calibrations

·  "The choice is yours"

·  Ease stock management:
only 1 reference.

·  Total flexibility

·  Cost effective

QC levels:

UFH: 0.2 & 0.7 IU/mL

LMWH: 0.8 & 1.4
IU Anti-Xa /mL

·  QC for each dose peak: represent the extreme situation

·  Secure: follow-up of system performances at the limit of therapeutic ranges

Fondaparinux, apixaban, rivaroxaban,

Dedicated Calibration and QC kits

Comply with recommendations (manufacturer, literature)

·  User friendly & secure:
eliminate risks of error