Patienter der tidligere har været i antiretroviral behandling Hos antiretroviralt behandlingserfarne patienter blev 100 isolater fra patienter angivet som virologisk svigt under behandling, der omfattede enten atazanavir, atazanavir + ritonavir eller atazanavir + saquinavir og blev fastsat til at have udviklet resistens over for atazanavir,.
95 Antiretroviral treatment experienced patients In antiretroviral treatment experienced patients, 100 isolates from patients designated as virological failures on therapy that included either atazanavir, atazanavir + ritonavir, or atazanavir + saquinavir were determined to have developed resistance to atazanavir.