TABLE 2

The Ki values of NSAIDs for hOAT1 and hOAT3

The inhibitory effect of NSAIDs on the uptake of PAH (0.1 μM) and PCG (1 μM) by hOAT1- and hOAT3-transfected HEK293 cells, respectively, was examined. The Ki values were determined by nonlinear regression analysis. All values represent the mean ± S.D.

Inhibitors Ki
hOAT1 hOAT3
μM
Salicylate 407 ± 82 111 ± 28
Diclofenac 1.52 ± 0.07 6.57 ± 0.48
Sulindac 77.8 ± 11.1 6.89 ± 1.51
Indomethacin 6.72 ± 1.22 0.979 ± 0.052
Etodolac 103 ± 23 12.0 ± 3.8
Tolmetin 5.08 ± 0.48 5.32 ± 0.53
Ibuprofen 1.38 ± 0.48 5.11 ± 1.13
Ketoprofen 0.890 ± 0.400 5.04 ± 1.5
Naproxen 1.18 ± 0.60 7.15 ± 2.34
Phenylbutazone 71.6 ± 7.1 6.82 ± 1.75
Piroxicam N.D. 4.83 ± 1.63
  • N.D., not determined.