Et farmakokinetisk studie hos hiv- positive patienter sammenlignede 1250 mg (5 tabletter á 250 mg) to gange daglig med 750 mg (3 tabletter á 250 mg) tre gange daglig, begge i 28 dage.
A pharmacokinetic study in HIV-positive patients compared multiple doses of 1250 mg twice daily (BID) with multiple doses of 750 mg three times daily (TID) for 28 days.