Table 1.

Plasma concentrations of olopatadine and ketotifen (n = 8)

	Olopatadine (ng/ml)				Ketotifen (ng/ml)
Time (min)	Mean	S.D.	C.V.	Time (min)	Mean	S.D.	C.V.
0	0.0	0.0		0	0.00	0.00
30	34.0	22.9	67.4%	60	0.10	0.05	50.0%
60	45.3	13.4	29.6%	120	0.23	0.19	82.6%
90	39.4	10.7	27.2%	180	0.25	0.12	48.0%
120	29.4	6.9	23.5%	210	0.20	0.13	65.0%
150	24.6	6.0	24.4%	240	0.17	0.11	64.7%
AUC0−2.5 h[ng/mL*h]	80.2	4.4	5.5%	AUC0−4 h[ng/mL*h]	0.64	0.31	48.4%