Table 2 Relative metabolic activity of testosterone in different voriconazole concentrations.

From: A preliminary exploration of liver microsomes and PBPK to uncover the impact of CYP3A4/5 and CYP2C19 on tacrolimus and voriconazole drug-drug interactions

3A4 Substrate (Testosterone)

Area Ratio

% of NC

 

IC50 (µM)

Sample 1

Sample 2

Sample 3

Mean

SD

Sample 1

Sample 2

Sample 3

Mean

SD

P

 

NC

14.1

14.4

13.6

14.0

0.404

100

103

96.9

100

2.88

  

PC

0.489

0.524

0.488

0.500

0.0205

3.48

3.73

3.48

3.57

0.146

  

0.08 µmol

14.5

15.9

16.2

15.5

0.907

103

113

115

111

6.47

  

0.4 µmol

14.6

15.5

13.7

14.6

0.900

104

110

97.6

104

6.41

< 0.0001

38.2

2 µmol

12.8

13.4

13.3

13.2

0.321

91.2

95.5

94.8

93.8

2.29

  

10 µmol

11.7

10.9

10.9

11.2

0.462

83.4

77.7

77.7

79.6

3.29

  

50 µmol

6.06

5.51

6.54

6.04

0.515

43.2

39.3

46.6

43.0

3.67

  
  1. NC Negative control; PC Positive control.