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. 2022 Oct 17;65(20):13629–13644. doi: 10.1021/acs.jmedchem.2c00921

Table 9. PKa Plasma Activation Assay and Off-Target Safety Pharmacology.

        CYP450 inhibition (μM)
compd human whole plasma (DXS activation 6.25 μg/mL) PKa IC50 (nM) potency ratio isolated IC50:plasma IC50 hERGa (μM) 1A2 2B6 2C8 2C9 2C19 2D6 3A4(M) 3A4(T)
13b 500 1:84 >33 >25 >25 14 13 >25 >25 19 11
14w 54 1:9 >33 >25 >25 >25 >25 >25 >25 >25 >25
16 76 1:24 >33 >25 n.d. n.d. >25 >25 >25 >25 >25
a

hERG measured using a whole cell (Chinese hamster ovary) patch clamp technique.