Time(hr) Non Diabetic groups Diabetic groups
PIO conc (μg/ml) PIO+PIP(SDI) conc(μg/ml) PIO+PIP(MDI) conc(μg/ml) PIO conc (μg/ml) PIO+PIP(SDI) conc(μg/ml) PIO+PIP(MDI) conc(μg/ml)
0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0 0 ± 0
0.5 2.03049 ± 0.34364 1.10248 ± 0.23279 1.30059 ± 0.27096 2.0157 ± 0.31452 1.45113 ± 0.25413 1.60577 ± 0.43609
1 1.03281 ± 0.32064 2.04719 ± 0.34402* 2.06129 ± 0.44944* 1.15479 ± 0.21450 2.02210 ± 0.41733 2.37158 ± 0.12586*
2 0.70300 ± 0.21542 0.91143 ± 0.03463 1.18931 ± 0.45600* 0.81124 ± 0.34001 1.05065 ± 0.25901 1.36422 ± 0.19487*
4 0.60084 ± 0.22686 0.65990 ± 0.10656 0.79644 ± 0.30285 0.75146 ± 0.30092 0.86054 ± 0.41098 1.07525 ± 0.33711*
8 0.43687 ± 0.22446 0.50552 ± 0.25166 0.58139 ± 0.11657 0.64006 ± 0.25617 0.71124 ± 0.21093 0.91304 ± 0.30786
24 0.10687 ± 0.04611 0.17253 ± 0.05599 0.21439 ± 0.04516 0.20100 ± 0.05145 0.25811 ± 0.12881 0.41383 ± 0.03985
Mean ± SD; ***significant at p<0.001;**significant at p<0.01; *significant at p<0.05 compared to pioglitazone control; SDI: Single Dose Interaction; MDI: Multiple dose interaction; PIO: pioglitazone; PIP: Piperine.
Table 2: Mean serum concentration of pioglitazone in presence of piperine (SDI&MDI) in normal rabbits.