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. 2010 Jul 26;54(10):4379–4388. doi: 10.1128/AAC.00498-10

TABLE 5.

Potential for AN3520 and SCYX-6759 to inhibit cytochrome P450 enzyme activities

CYP isoform IC50 (μM)a
AN3520 SCYX-6759
3A4 >100 >100
2D6 38.7 30.3
2C9 29.6 30.6
2C19 69.7 47.4
1A2 >100 >100
a

The potential of drug-drug interactions was classified as high (IC50 < 1 μM), moderate (1 μM < IC50 < 10 μM), or low (IC50 > 10 μM), according to the observed level of enzyme inhibition. The values are expressed as the means from triplicate determinations.