Elvitegravir + Rifabutin Interaction
Unknowninteraction on record
Description
Elvitegravir/ Cobicistat 150/50 mg daily 300 mg daily or 150 mg every other day Healthy subjects (12) No significant change in rifabutin pharmacokinetics. 6.3-fold ↑in AUC, 4.8-fold ↑ C max of 25-O-desacetyl-rifabutin No change in elvitegravir except 67% ↓ C trough of elvitegravir No change in cobicistat exposure. Co-administration of rifabutin with elvitegravir/ cobicistat is not recommended due to an expected decrease in elvitegravir exposure.
Source: FDA drug label - rifabutin