Table I.
V ss Prediction Accuracy
| Authors | Year | Species | Prediction methodology | Prediction accuracy | Comments | |||
|---|---|---|---|---|---|---|---|---|
| Mean fold error | Percentage within twofold | |||||||
| K p/K pu | V dss | K p/K pu | V dss | |||||
| Original methodology manuscripts | ||||||||
| Poulin and Theil (11,12) | 2000/2001 | Mix | / | 1.26 | 70 | Non-adipose/adipose tissues (Note: combined rat, rabbit, mouse and human predictions) | ||
| Mix | / | 1.17 | 100 | |||||
| Rodgers and Rowland (15) | 2005 | Rat | / | 63 | Modified in accordance with Berezhkovskiy (14). Moderate–strong bases | |||
| Rodgers and Rowland (16) | 2006 | Rat | / | 63 | Modified in accordance with Berezhkovskiy (14). Weak bases, neutrals, and zwitterions | |||
| Retrospective analyses employing original methodologies to diverse datasets | ||||||||
| Poulin and Theil (13) | 2002a | Rat/Human | Poulin and Theil | 1.06 | 80 | Significant under-prediction of cationic-amphiphilic agents | ||
| Parrott et al. (20) | 2005 | Rat | Poulin and Theil | 1.9 | 62 | Over-prediction for high LogD/low fup acids; Under-prediction for basic compounds | ||
| Jones et al. (23) | 2006 | Human | Poulin and Theil | 2.3 | 41 | V dss or Vz/F | ||
| Germani et al. (53) | 2007 | Rat | Poulin and Theil | 3.2 | 30 | |||
| De Buck et al. (24,54) | 2007 | Human | Rodgers and Rowland | 1.1 | 85 | |||
| Poulin and Theil | 2.1 | 32 | ||||||
| Rat | Rodgers and Rowland | 1.17 (a) | 83 (a) | (a) basic compounds, (b) neutral compounds | ||||
| Poulin and Theil | 1.6 (a), 1.5 (b) | 60 (a), 42 (b) | ||||||
| Rodgers and Rowland (17) | 2007 | Rat | Rodgers and Rowland | 0.94 | 78 | |||
| Human | 0.86 | 64 | ||||||
| Pfizer | ongoing evaluation | Rat | Rodgers and Rowland | 2.1 | 60 | |||
| Human | 1.7 | 75 | ||||||
| Rat | Poulin and Theil | 1.8 | 60 | |||||
| Human | 2.1 | 45 | ||||||