Clinical Study

Pharmacokinetics of Etravirine Combined with Atazanavir/Ritonavir and a Nucleoside Reverse Transcriptase Inhibitor in Antiretroviral Treatment-Experienced, HIV-1-Infected Patients

Table 1

Patient baseline demographics and disease characteristics of patients who started the pretreatment session.

Atazanavir/ritonavir 300/100 mg qd + one NRTI + etravirine 200 mg bid ()Atazanavir/ritonavir 400/100 mg qd + one NRTI + etravirine 200 mg bid ()All patients
()

Female [ (%)]12 (48.0)13 (52.0)25 (50.0)
Age, years [median (range)] 39.0 (26–63)40.0 (18–56)40.0 (18–63)
Race [ (%)]
 Black or African-American12 (48.0)18 (72.0)30 (60.0)
 Asian 6 (24.0)2 (8.0)8 (16.0)
 White 6 (24.0)5 (20.0)11 (22.0)
 Others 1 (4.0)01 (2.0)
Country [ (%)]
 South Africa9 (36.0)13 (52.0)22 (44.0)
 USA10 (40.0)8 (32.0)18 (36.0)
 Thailand6 (24.0)2 (8.0)8 (16.0)
 Argentina02 (8.0)2 (4.0)
Prebaseline (copies/mL) [median (range)] 4.1 (2–6)4.1 (2–6)4.1 (2–6)
Prebaseline CD4+ cell count, median (range), cells/mm3186 (8–678)238 (55–1061)223 (8–1061)
Duration of HIV infection, years (median (range)) 7.2 (2–16)6.7 (1–26)7.0 (1–26)
CDC clinical stage of infection [ (%)]
 A 10 (40.0)9 (36.0)19 (38.0)
 B 7 (28.0)7 (28.0)14 (28.0)
 C 8 (32.0)9 (36.0)17 (34.0)
Mode of HIV infection [ (%)]
 Heterosexual contact15 (60.0)12 (48.0)27 (54.0)
 Heterosexual contact/MSM1 (4.0)1 (4.0)2 (4.0)
 MSM 5 (20.0)5 (20.0)10 (20.0)
 Others4 (16.0)7 (28.0)11 (22.0)

CDC: Centers for Disease Control and Prevention; MSM: men who have sex with men; : number of patients per treatment group; (%): number (proportion) of patients with specified parameter; NRTI: nucleoside reverse transcriptase inhibitor; VL: viral load.
Prebaseline: Day 1 of the pretreatment period.