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 |