Table 5: Interference of potential concomitant drugs.

Concentration (ng/mL)ControlColistin-MP% dev.

150150 ± 10148 ± 8−1.3
15001633 ± 611587 ± 98−2.8
2000020000 ± 55719933 ± 737−0.3

Note. Data represent the mean (SD) of triplicate analysis. MP and colistin concentrations were 110 µg/mL and 20 µg/mL, respectively, corresponding to the highest concentrations in the in vitro model.