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. Author manuscript; available in PMC: 2013 Mar 18.
Published in final edited form as: Clin Pharmacol Ther. 2012 Mar 7;91(4):673–684. doi: 10.1038/clpt.2011.276

Table 2.

Efavirenz pharmacokinetic parameters

First dose Two weeks
CL/F (L/hr) 12.3 ± 6.1 20.1 ± 9.5*
12 hr efavirenz/8-hydroxyefavirenz concentration ratio 152 ± 116 2.9 ± 2.5*
8-hydroxyefavirenz apparent formation clearance (L/hr) 1.0 ± 0.6 10.7 ± 5.7*

CL/F, apparent oral clearance of fexofenadine.

*

Significantly different from control (p<0.05)