Table 3.
Covariate–parameter relationships identified for abacavir in previous population pharmacokinetic analyses
| Study | Reference | Number of children | Age range (years) | Significant covariates in the model | Covariate–parameter relationship |
|---|---|---|---|---|---|
| PENTA 13 | 7 | 14 | 2.14–12.84 | Bodyweight on CL and V | CL/F (l h−1) = 37.2 × (BW/23.8)0.553 |
| V/F (l) = 64.8 × (BW/23.8)0.537 | |||||
| PENTA 15 | 12 | 18 | 0.42–2.81 | Bodyweight on CL | CL/F (l h−1) = 13.4 × (BW/12)1.14 |
| PENTA 13 + PENTA 15 + ARROW | Present study | 69 | 0.42–12.84 | Bodyweight on CL and V1 | CL/F (l h−1) = 20.1 × (BW/17.6)0.802 |
| V1/F (l) = 13.0 × (BW/17.6)0.810 | |||||
| Therapeutic drug monitoring data | 11 | 105 | 0.0685–16 | Bodyweight on CL and V | CL/F (l h−1) = 24.3 × (BW/25)1.0 |
| V/F (l) = 42.9 × (BW/25)0.95 |