Answer
It is a thrombolytic rather than a conventional anticoagulant. It breaks down fibrin within an existing clot, while anticoagulants mainly reduce further clot formation.
Sources for this answer
- Metalyse 10,000 unitsemc · SmPC Current selected SmPC · Version 10
- Metalyse 5 000 units (25 mg) powder for solution for injectionemc · SmPC Current selected SmPC · Version 2