- The participant requires chronic concomitant treatment with the following strong cytochrome P450, family 3, subfamily A, polypeptide 4 (CYP3A4) inducers OTHER than antiretroviral agents: dexamethasone, phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, phenobarbital, primidone, modafinil, and other enzyme inducing anti-convulsant drugs (EIACD), and St. John's Wort; use of efavirenz or etravirine is permitted for participants considered for the CYP3A4-inducer based antiretroviral therapy (ART) regimen arm (Stratum B) of the trial