I et klinisk forsøg med dobbelt- boosted proteasehæmmerkombinationsbehandling givet til flerregime behandlede HIV- positive voksne forårsagede APTIVUS givet sammen med lavdosis ritonavir en 55%, 70% og 78% reduktion i Cmin for henholdsvis amprenavir, lopinavir og saquinavir.
In a clinical study of dual-boosted protease inhibitor combination therapy in multiple-treatment experienced HIV-positive adults, APTIVUS, co-administered with low dose ritonavir, caused a 55%, 70% and 78% reduction in the Cmin of amprenavir, lopinavir and saquinavir, respectively.