Erratum to: A Re-evaluation and Validation of Ontogeny Functions for Cytochrome P450 1A2 and 3A4 Based on In Vivo Data

1 Erratum to: Clin Pharmacokinet (2014) 53(7):625–636 DOI 10.1007/s40262-014-0140-7

Page 630, Section 3.3: 4th paragraph and Eq. 5, which previously read

The best-fit to the CYP3A4 data was afforded by Eq. 5, describing a monotonic increase in enzyme activity up to adult levels by 108 weeks PMA (1.3 years)

$$ {\text{CYP}}3{\text{A}}4 = \frac{{1 \times {\text{PMA}}^{3.9} }}{{108^{3.9} + {\text{PMA}}^{3.9} }} $$

(5)

Should read

The best-fit to the CYP3A4 data was afforded by Eq. 5, describing a monotonic increase in enzyme activity up to adult levels by 71 weeks PMA (0.6 years)

$$ {\text{CYP}}3{\text{A}}4 = \frac{{1 \times {\text{PMA}}^{3.9} }}{{71^{3.9} + {\text{PMA}}^{3.9} }} $$

(5)