In the MaxCmin2 study, the safety and efficacy of saquinavir soft capsules/ ritonavir 1000/ 100 mg twice daily plus 2 NRTIs/ NNRTIs was compared with lopinavir/ ritonavir 400/ 100 mg twice daily plus 2 NRTIs/ NNRTIs in 324 (both protease inhibitor treatment naïve and experienced) subjects.