Ritonavir - boosted double ? protease inhibitor ( pi ) ? only regimens are such an option but are prone to pharmacokinetic interactions 单独的利托那韦用量增加的双蛋白酶抑制剂（ pi ）疗法正是其中之一，但在药代动力学上两者易于产生相互作用。
2.
As first - line , xolani was taking zidovudine , lamivudine and nevirapine . because azt and 3tc come in a fixed - dose combination , this means he was taking two pills twice daily . xolani s second - line treatment will consist of didanosine , ritonavir - boosted lopinavir lpv r , and tenofovir 素拉利原本服用的第一线药物包含多夫定（ azt ） 、拉米夫定（ 3tc ）及奈韦拉平（ nvp ） ，其中多夫定及拉米夫定是固定剂量组合，也是说，他原本每天只需服药两次，每次两颗药丸。
