- Subjects currently receiving (or unable to stop using prior to receiving the first dose of investigational drug) medications or herbal supplements known to be potent inhibitors of cytochrome P450 (CYP) 3A and CYP2C19 (unless treatment can be discontinued at least 1 week prior to receiving the first dose of investigational drug) or potent inducers of CYP3A and CYP2C19 (unless treatment can be discontinued at least 3 weeks prior to receiving the first dose of investigational drug). Note: Other protocol defined criteria could apply.