https://microtubule-receptor.c....om/index.php/genome-
OBJECTIVE In HELPS Clinical Trials Group study A5316, efavirenz lowered plasma concentrations of etonogestrel and ethinyl estradiol, provided as a vaginal ring, while atazanavir/ritonavir increased etonogestrel and lowered ethinyl estradiol levels. We characterized the pharmacogenetics of these communications. METHODS In A5316, females with HIV enrolled into control (no antiretrovirals), efavirenz [600 mg everyday with nucleoside/nucleotide r