Efavirenz, marketed as SUSTIVA by DuPont Pharmaceuticals, only needs to be taken once a day and is taken in combination with other HIV drugs.
BBC: Aids drug hailed as 'major advance'
2.
The currently recommended treatment for newly diagnosed patients is a single pill (Atripla) taken dailythat combines three brand-name antiretrovirals - tenofovir (Viread), emtricitabine (Emtriva) and efavirenz (Sustiva).
BBC: Study questions generic HIV drug use
3.
In the meantime, DuPont AIDS drug Sustiva fits in with Bristol's two HIV treatments, and DuPont anti-coagulant Coumadin meshes with Bristol's existing heart drugs, even though no patent protects it.