In 20 HIV infected subjects receiving 200 mg emtricitabine daily as hard capsules, steady-state plasma emtricitabine peak concentrations (Cmax), trough concentrations (Cmin) and area under the plasma concentration time curve over a 24-hour dosing interval (AUC) were 1.8±0.7 µg/ ml, 0.09±0.07 µg/ ml and 10.0±3.1 µg·h/ ml, respectively.