Atazanavir + ritonavir (ATV/r)
Quality of Evidence:
Coadministration with estradiol as hormone replacement therapy (HRT) has not been studied. Estradiol is metabolized by CYP3A4, CYP1A2 and is glucuronidated. Coadministration could potentially decrease estradiol exposure due to induction of CYP1A2 and glucuronidation (rather than increase it due to inhibition of CYP3A4). Monitor for signs of estrogen deficiency.
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Atazanavir + ritonavir (ATV/r) by clicking