Atazanavir Omeprazole 778

Reyataz label

Interaction Color Code
Clinical Bottom Line
Adjust dosing to avoid reduced levels of atazanavir
Drug 1
Drug 1 dose
400 mg daily on d 1-12
Drug 1 effect

Not reported

Drug 2
Drug 2 dose
40 mg x 1 on d 7 and 20
Drug 2 effect

Omeprazole AUC increased 45%, Cmax increased 24%

Clinical Effects

Increased omeprazole effects

Management

Do not coadminister PPIs with unboosted atazanavir. PPIs may be administered 12 hours before atazanavir when boosted with ritonavir or cobicistat, in treatment naive patients. Doses should not exceed the equivalent of omeprazole 20 mg daily. PPIs are not recommended for treatment experienced patients.

Alternative Agents
H2 receptor antagonists
Import ID
778