Table 5.
Parameter | Ganciclovir9 | Valganciclovir22 | Cidofovir | Foscarnet44 |
---|---|---|---|---|
Induction therapy | IV 5 mg/kg for two weeks | 900 mg bid for three weeks | 5 mg/kg weekly for two weeks | IV 60 mg/kg tid for two weeks |
Maintenance therapy | IV 5 mg/kg qd | 900 mg qd | IV 5 mg/kg every two weeks | IV 30 mg/kg tid |
Advantages | Systemic therapy, oral therapy, long acting implants available | Systemic therapy, oral therapy, low pill burden, convenient dosing | Systemic therapy, least expensive, suppresses exacerbations | Systemic therapy |
Adverse effects | Myelosuppressant, large pill burden, Intravenous regimen and infusion related problems, if orally-poor bioavailability | Myelosuppressant | Nephrotoxic, Co-administration with probenicid | Nephrotoxic, electrolyte imbalance, intravenous regimen and infusion-related problems |
Abbreviations: IV, intravenous; qd, once a day; bid, twice a day; tid, three times a day.