Thrombin-JMI (Thrombin Topical) - Description and Clinical Pharmacology

DESCRIPTION

The thrombin in Thrombin, Topical (Bovine Origin) THROMBIN-JMI® is a protein substance produced through a conversion reaction in which prothrombin of bovine origin is activated by tissue thromboplastin of bovine origin in the presence of calcium chloride. It is supplied as a sterile powder that has been freeze-dried in the final container. Also contained in the preparation are mannitol and sodium chloride. Mannitol is included to make the dried product friable and more readily soluble. The material contains no preservative.

THROMBIN-JMI® has been chromatographically purified.

CLINICAL PHARMACOLOGY

THROMBIN-JMI® requires no intermediate physiological agent for its action. It clots the fibrinogen of the blood directly. Failure to clot blood occurs in the rare case where the primary clotting defect is the absence of fibrinogen itself. The speed with which thrombin clots blood is dependent upon the concentration of both thrombin and fibrinogen.