Table 1.
Voriconazole | Isavuconazole | Posaconazole | Liposomal Amphotericin B | Caspofungin | Anidulafungin | |
---|---|---|---|---|---|---|
Dosage | IV: 6 mg/kg Q12 × 24 h, 4 mg/kg Q12 starting Day 2 PO: 200 mg Q12 h |
IV: 200 mg Q8 h × 48 h, 200 mg daily starting Day 3 PO: 200 mg Q8 h for 48 h, 200 mg daily starting Day 3 |
IV: 300 mg Q12 × 24 h, 300 mg daily starting Day 2 Delayed-release: 300 mg Q12 ×24 h, 300 mg daily starting Day 2 Oral suspension: 200 mg TID |
IV: 3 mg/kg/day | 70 mg daily on Day 1, 50 mg daily starting Day 2 | 200 mg daily on Day 1, 100 mg starting Day 2 |
Formulation | PO, IV | PO, IV | PO, IV | IV | IV | IV |
Half-Life (h) | 6 | 110–115 | 27–35 | 7–10 | 9–11 | 24–26 |
Bioavailability | Oral, 96% | Oral, 98% | Tablet: 54%Oral suspension: Variable | Oral, 9% | Oral, <5% | Oral, <5% |
Linear PK | No | High | IV: NoSuspension/Tablet: High | Yes, doses 1–3 mg/kg; No at higher doses | Yes (Animal Model) | Yes (Animal Model) |
Renal Excretion | 2% | <1% | <1% | 4.5% | 41% | <1% |
CNS Penetration | High | High (Animal Model) | Low | High (Animal Model) | Low (Animal Model) | Low (Animal Model) |
Metabolism | CYP2C19, CYP2C9, CYP3A4 | CYP3A4/5 | UGT | Unknown | Hydrolysis and N-acetylation | Spontaneous biotransformation into inactive peptide |