Abstract
To evaluate the effects of boceprevir (BOC) and telaprevir (TVR) on the pharmacokinetics (PK) of maraviroc (MVC) in healthy volunteers. In this open-label, fixed-sequence study, 14 volunteers received MVC 150 mg twice daily alone for 5 days (period 1), followed by MVC + BOC 800 mg 3 times daily and MVC + TVR 750 mg 3 times daily, each for 10 days in periods 2 and 3, respectively, with a ≥10-day wash-out. PK was analyzed on day 5 of period 1 and day 10 of periods 2 and 3. Safety was also assessed. Ratios of the adjusted geometric means (90% confidence intervals) for MVC area under the curve from predose to 12 hours, maximum plasma concentration, and plasma concentration at 12 hours were 3.02 (2.53 to 3.59), 3.33 (2.54 to 4.36), and 2.78 (2.40 to 3.23), respectively, for MVC + BOC versus MVC alone, and 9.49 (7.94 to 11.34), 7.81 (5.92 to 10.32), and 10.17 (8.73 to 11.85), respectively, for MVC + TVR versus MVC alone. PK profiles for MVC + BOC or TVR were consistent with historic values for BOC and TVR monotherapy. Adverse event incidence was higher with MVC + BOC and MVC + TVR versus MVC alone. Dysgeusia (50%) and pruritus (29%) occurred most commonly with MVC + BOC, and fatigue (46%) and headache (31%) with MVC + TVR. There were...Continue Reading
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