På baggrund af data fra andre boostede PI' er og ketoconazol, hvor ketoconazol- AUC stiger x 3, forventes REYATAZ/ ritonavir at øge ketoconazol - og itraconazolkoncentrationer.
Based on data obtained with other boosted PIs and ketoconazole, where ketoconazole AUC showed a 3-fold increase, REYATAZ/ ritonavir is expected to increase ketoconazole or itraconazole concentrations.