Table 3. Cmax, AUCinf and 90% confidence interval (CI) of the estimate of β following the oral administration of sildenafil at 1, 2 and 4 mg/kg in dogs with chronic embolic pulmonary hypertension (CEPH).
Cmax (ng/ml) | β | 90%CI | AUCinf (ng·hr/ml) | β | 90%CI | |||||
---|---|---|---|---|---|---|---|---|---|---|
1 mg/kg | 2 mg/kg | 4 mg/kg | 1 mg/kg | 2 mg/kg | 4 mg/kg | |||||
CEPH (n=4) | 154.5 | 352.5 | 500.7 | 0.81 | 0.62–1.00 | 659.7 | 1,313.0 | 2,512.4 | 0.94 | 0.65–1.23 |
Healthy (n=5)a) | 174.9 | 416.0 | 1,111.4 | 1.33 | 1.17–1.49 | 791.6 | 1,593.0 | 4,319.6 | 1.23 | 1.07–1.39 |
a) For reference, Cmax, AUCinf and 90%CI of the estimate of β in healthy dogs (each n=5) were taken from a previous study [1] in which the same assay as performed in the present study was utilised. Cmax, maximum plasma concentration; AUCinf, area under the curve from time 0 to infinity.