Target intelligence / Profile preview

Factor Xa Inhibitor (FXa Inhibitor)

Target
FXa Inhibitor
Molecular classification
Enzyme Inhibitor, Small Molecule Inhibitor
01

Overview

Factor Xa inhibitors are a class of anticoagulant drugs that selectively and reversibly inhibit the activity of clotting factor Xa, a key enzyme in the coagulation cascade. By blocking factor Xa, these agents prevent the conversion of prothrombin to thrombin, ultimately inhibiting fibrin clot formation. They are used for the treatment and prevention of thromboembolic disorders, including deep vein thrombosis, pulmonary embolism, and stroke prevention in atrial fibrillation.

Other names
Direct Factor Xa InhibitorsXabansDirect Oral Anticoagulants (DOACs) targeting Factor Xa
02

Mechanism of action

Selective and reversible inhibition of the active site of coagulation factor Xa, preventing the conversion of prothrombin to thrombin and subsequent fibrin clot formation.

03

Biological functions

AnticoagulationThrombin InhibitionBlood Coagulation Regulation
04

Disease associations

ThrombosisPulmonary EmbolismAtrial FibrillationVenous ThromboembolismCardiovascular Disease
05

Safety considerations

Bleeding risk (intracranial hemorrhage, gastrointestinal hemorrhage)Drug interactions (CYP450 enzymes, P-glycoprotein)Need for reversal agents (e.g., andexanet alfa) in case of uncontrollable bleeding
06

Interacting drugs

Apixaban

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