Pharmacogenetic interactions between antiretroviral drugs and vaginally administered hormonal contraceptives

Conclusion CYP2B6 slow metabolizer genotype worsens the pharmacokinetic interaction of efavirenz with hormonal contraceptives administered by vaginal ring. Efavirenz dose reduction in CYP2B6 slow metabolizers may reduce, but will likely not eliminate, this interaction.
Source: Pharmacogenetics and Genomics - Category: Genetics & Stem Cells Tags: Original Articles Source Type: research