Hos to patienter der fik Invirase 600 mg tre gange daglig fandtes cerebrospinalvæskekoncentrationerne af saquinavir ubetydelige sammenlignet med koncentrationer fra tilsvarende plasmaprøver.
In two patients receiving Invirase 600 mg three times daily, cerebrospinal fluid concentrations of saquinavir were negligible when compared to concentrations from matching plasma samples.