Table 4

Gastric clarithromycin transfer: effect of acid secretion, Helicobacter pylori, iodoacetamide, and pronase

Values are mean (SD), except for pH.
*p<0.05, **p=0.06 , ***p<0.01, ****p<0.001 versus control.
Intravenous drugOmeprazolePentagastrinOmeprazoleOmeprazoleOmeprazole
Gastric luminal solution0.9% saline0.9% saline0.9% saline0.9% salinePronase
PreparationNormalNormalH pylori infectedIodoacetamideNormal
n 8 8 8 7 7
Median gastric aspirate pH (range) 6.13 (5.89–6.35) 2.58 (2.30–2.85)**** 6.19 (6.15–6.46) 5.83 (5.58–6.34) 6.60 (6.56–6.72)****
Gastric aspirate Cmax (mg/l) 8.7 (1.8) 4.4 (4.5)* 10.3 (1.6) 6.7 (2.2) 7.3 (2.4)
Gastric clearance (l/min)128 (31)30 (33)***158 (22)*95 (29)**82 (18)***
Gastric transfer fraction (%) 2.28 (0.25) 0.55 (0.63)**** 2.09 (0.22) 1.72 (0.41)*** 1.33 (0.35)****