TABLE 3

Noncompartmental pharmacokinetic parameters of flurbiprofen before (baseline) and after pretreatment with 200 or 400 mg of fluconazole for 7 days Data are shown as median (range), except for CYP2C9*3/*3 genotype group, in which individual data are presented.


Pharmacokinetic Parameters

Units

CYP2C9*1/*1 (n = 11)

CYP2C9*1/*3 (n = 8)

CYP2C9*3/*3 (n = 2)
Baseline
   CL/F Liters · hour–1 1.6 (1.2–2.2) 0.9 (0.5–2)* (0.4, 0.6)*
   AUC0–inf Micrograms · milliliter–1 · hour 30.8 (23.2–42.7) 53.7 (24.6–112)* (85.8, 119)*
   T1/2 Hours 4.8 (4.2–6.1) 7.2 (5.5–7.5)* (9.7, 13.8)*
   Cmax Micrograms · milliliter–1 7.6 (4.1–9.5) 8.9 (4.2–10.7) (8, 9.4)
   Tmax Hours 1.5 (0.5–2.0) 2.0 (1.5–6.1) (2.0, 2.0)
   V/F Liters 10.8 (7.8–13.8) 9.2 (3.9–22) (8.2, 8.4)
   CLf, m Liters · hour–1 0.67 (0.43–0.95) 0.35 (0.15–0.86)* (0.05, 0.05)*
200 mg of fluconazole coadministration
   CL/F Liters · hour–1 0.8 (0.3–1.1) 0.5 (0.3–1.1) (0.3, 0.4)*
   AUC0–inf Micrograms · milliliter–1 · hour 62.3 (46.1–150) 96.1 (44.1–197) (136, 152)*
   T1/2 Hours 7.8 (6.1–16.3) 9.2 (8.0–13.2) (18.9, 22.6)*
   Cmax Micrograms · milliliter–1 5.9 (4–10.2) 7.7 (5.2–15.5) (8.6, 8.6)
   Tmax Hours 2.0 (1.0–4.0) 2.0 (1.8–4.0) (1, 1.5)
   V/F Liters 8.3 (6.1–13.7) 7.5 (3.2–14.6) (10, 10.8)
   CLf, m Liters · hour–1 0.28 (0.13–0.37) 0.14 (0.06–0.34)* (0.02, 0.03)*
400 mg of fluconazole coadministration
   CL/F Liters · hour–1 0.5 (0.24–0.82) 0.4 (0.2–0.8) (0.4, 0.4)
   AUC0–inf Micrograms · milliliter–1 · hour 93.2 (60.7–206) 133 (65.4–257) (119, 133)
   T1/2 Hours 9.9 (7.4–12.5) 13.7 (12.2–17.1)* (16.1, 16.1)*
   Cmax Micrograms · milliliter–1 7.5 (4.7–14.4) 8.4 (3.7–12.2) (4.3, 8.5)
   Tmax Hours 2.0 (1.0–4.0) 1.5 (1.0–4.0) (1.5, 8)
   V/F Liters 7.5 (4.2–11.0) 7.1 (4.5–16.4) (8.8, 9.8)
   CLf, m
Liters · hour–1
0.17 (0.07–0.34)
0.08 (0.04–0.23)
(0.02, 0.02)*
  • * P < 0.05 between CYP2C9*1/*1 and CYP2C9*1/*3 or CYP2C9*3/*3

  • P < 0.05 between CYP2C9*1/*3 and CYP2C9*3/*3