Table 3 Robs/pre ratios of brivaracetam PK parameters for healthy population via oral route.

From: Investigating clinical pharmacokinetics of brivaracetam by using a pharmacokinetic modeling approach

Administered dose (mg)

Cmax (µg/ml)

AUC0–∞ (µg h/ml)

CL (ml/min/kg)

References

Obs

Pre

R-value

Obs

Pre

R-value

Obs

Pre

R-value

Intravenous administration profile

 

 100 mg/ml

3.796

4.065

0.93

31.421

19.524

1.6

3.182

6.121

0.62

21

Oral administration profile

 

 10

0.20

0.20

0.97

2.58

2.59

0.99

3.86

3.85

1.0

21

 50

1.10

1.06

1.04

16.27

13.15

1.2

3.07

3.80

0.8

21

 75

1.74

1.602

1.08

23.48

20.32

1.15

3.19

3.68

0.86

21

 100

2.19

2.14

1.025

32.75

27.0

1.2

3.05

3.69

0.82

21

 200

3.632

3.26

1.1

47.2

28.04

1.6

4.23

7.13

0.59

22

 100

2.244

1.885

1.19

29.6

19.70

1.5

3.375

5.07

0.66

23

 10

0.20

0.16

1.25

2.45

1.443

1.69

4.076

6.928

0.58

13

 20

0.35

0.33

1.07

3.87

3.269

1.18

5.159

6.117

0.84

13

 40

0.7554

0.665

1.13

9.322

6.884

1.35

4.290

5.810

0.73

13

 80

1.888

1.339

1.4

17.83

13.8

1.29

4.085

5.794

0.77

13

 150

3.336

2.529

1.3

42.77

26.78

1.59

3.506

5.599

0.62

13

 300

6.285

5.169

1.2

76.53

55.99

1.36

3.919

5.357

0.731

13

 600

13.971

10.64

1.3

152.20

125.87

1.20

3.941

4.766

0.82

13

 1000

23.147

18.19

1.27

279.08

236.04

1.18

3.583

4.236

0.84

13

 1400

34.50

26.04

1.32

417.79

372.2

1.12

3.350

3.760

0.89

13

 2.5

0.067

0.038

1.7

0.876

0.90

0.97

2.85

2.77

1.02

24

 10

0.34

0.22

1.5

3.542

3.63

0.975

2.82

2.22

1.27

24

 25

0.76

0.52

1.46

7.306

8.9

0.82

3.42

2.90

1.17

24

 50

1.263

1.0

1.2

17.51

17.27

1.01

2.85

2.79

1.02

24

 100

2.09

2.09

1.0

31.85

30.30

1.05

3.13

3.3

0.94

24

 2.5

0.03

0.05

0.6

26.31

25.90

1.01

0.09

0.07

1.3

24

 10

0.14

0.22

0.63

54.51

53.51

1.02

3.8

3.85

0.98

24

 50

0.72

0.61

1.18

153.09

152.9

1.0

3.81

3.85

0.98

24

  1. Obs observed, Pre predicted, Cmax maximum systemic concentration, CL clearance, AUC0–∞ area under the curve from time 0 to ∞, H healthy.