Table 1.

Inhibitory action of NSAIDs against COX-1 or COX2 enzymes

Drug	IC50 for COX-1	IC50 for COX-2	Ratio [COX-2:COX-1]	References
Celecoxib	30 µM	50 nM	600:1	[48,49]
			300:1	[52]
				[53]
Indomethacin	0.42 µM	2.75 µM	1:7	[48,49]
	0.08 µM	1 µM	1:12	[53]
Diclofenac	0.06 µM	0.4 µM	7:1	[48,49]
	0.01 µM	0.03 µM	3:1	[51,54]