Saquinavir + Rifabutin Interaction

Unknowninteraction on record

Description

This effect may reduce the efficacy of standard doses of such drugs, which include itraconazole, clarithromycin, and saquinavir. Saquinavir/ ritonavir 1000/100 mg twice a day for 14 or 22 days 150 mg every 3 days for 21-22 days Healthy subjects ↑ AUC by 53% d ↑ C max by 88% (n=11) ↓ AUC by 13%, ↓ C max by 15%, (n=19) Reduce rifabutin dose by at least 75% (to a maximum 150 mg every other day or three times per week) when given with saquinavir/ritonavir combination.

Source: FDA drug label - rifabutin