Alternative anticoagulants to heparin for patients with HIT
. | Danaparoid sodium . | Argatroban . | Lepirudin . |
---|---|---|---|
Composition | Dermatan sulfate | Synthetic arginine analogue | Recombinant protein |
Heparan sulfate | |||
Chondroitin sulfate | |||
Molecular weight, Da | 6000 | 506 | 6979 |
Action | Inhibits factor Xa and thrombin through antithrombin | Direct thrombin inhibitor | Direct thrombin inhibitor |
Half-life | |||
Healthy volunteer | 22 h | 40 min | 1.5 h |
Hepatic disease | Normal | Prolonged | Normal |
Renal disease | Prolonged | Normal | Prolonged |
Monitoring | None or antifactor Xa assay | aPTT | aPTT |
Effect on PT | None | Prolongation | Prolongation |
Neutralization | None | None | None |
Excretion | Renal | Liver | Renal |
Immune effects | Occasional antibodies to PF4 | None known | Antibodies to drug cause prolonged half-life |
. | Danaparoid sodium . | Argatroban . | Lepirudin . |
---|---|---|---|
Composition | Dermatan sulfate | Synthetic arginine analogue | Recombinant protein |
Heparan sulfate | |||
Chondroitin sulfate | |||
Molecular weight, Da | 6000 | 506 | 6979 |
Action | Inhibits factor Xa and thrombin through antithrombin | Direct thrombin inhibitor | Direct thrombin inhibitor |
Half-life | |||
Healthy volunteer | 22 h | 40 min | 1.5 h |
Hepatic disease | Normal | Prolonged | Normal |
Renal disease | Prolonged | Normal | Prolonged |
Monitoring | None or antifactor Xa assay | aPTT | aPTT |
Effect on PT | None | Prolongation | Prolongation |
Neutralization | None | None | None |
Excretion | Renal | Liver | Renal |
Immune effects | Occasional antibodies to PF4 | None known | Antibodies to drug cause prolonged half-life |