Clinical pharmacology of recombinant hirudin

Pharmacological profiling of recombinant hirudin (r-hirudin) has shown that this selective tight-binding thrombin inhibitor is a potent, well-tolerated anticoagulant. Clinical pharmacological studies were performed in human volunteers after single and repeated doses of 0.1-0.5 mg/kg. Generally, administration of r-hirudin was tolerated without side effects. Thrombin time and partial thromboplastin time were prolonged dependent on the r-hirudin level in plasma. Platelet counts, fibrinogen level and fibrinolytic system remained unchanged. Bleeding time was not prolonged. On intravenous injection, r-hirudin was rapidly distributed into the extracellular space and eliminated, with a dose-dependent half-life of 1-2 h (first-order kinetics). After subcutaneous administration, the rH level in blood reached plateau values within 60-120 min. The high recovery of unchanged r-hirudin in the urine identified renal excretion as the predominant route of r-hirudin clearance.

Abstract sourced from PubMed (NCBI) for the cited record. See the original publication for the authoritative version.

Pharmacological profiling of recombinant hirudin (r-hirudin) has shown that this selective tight-binding thrombin inhibitor is a potent, well-tolerated anticoagulant.

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