Table 2.
Pharmacokinetic parameters of R- and S-warfarin.
| R-warfarin | S-warfarin | |||
|---|---|---|---|---|
| +entacapone | +placebo | +entacapone | +placebo | |
| Cmax (µg ml−1) | 0.51±0.17 | 0.47±0.15 | 0.64±0.23 | 0.62±0.21 |
| tmax (h) | 1.0 (0.5–3.0) | 1.0 (0.5–2.0) | 1.0 (0.5–3.0) | 1.0 (0.5–2.0) |
| Cmin (µg ml−1) | 0.24±0.09 | 0.21±0.09 | 0.36±0.15 | 0.36±0.14 |
| Cav (µg ml−1) | 0.35±0.12 | 0.30±0.11 | 0.47±0.18 | 0.45±0.16 |
| AUCss (µg ml−1 h) | 8.4±2.8 | 7.2±2.6 | 11.4±4.4 | 10.8±3.9 |
| PTF (%) | 78±19 | 90±29 | 60±15 | 60±16 |
Data are presented as mean±s.d. (n = 12) for all variables, with the exception of tmax which is expressed as median (range).