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Transport to intestinal lumen and peritoneal cavity of intravenously administered aprinidine in rats.

Abstract：

:Transfer of aprindine from the blood into the intestinal lumen or into the peritoneal cavity was examined after intravenous administration of the drug at a dose of 5 mg/kg in rats. The amount of the drug transferred from the blood into the intestinal lumen was much greater than into the peritoneal cavity. The average amounts of aprindine transported into the intestinal lumen and the peritoneal cavity were 0.12 and 0.03% of the dose (5 mg/kg) in 120 min, respectively. Thus, a notable difference in the clearance values of the drug was obtained between the intestinal lumen (14.8 ml/h) and the peritoneal cavity (4.94 ml/h). The net water flux showed that secretion predominated in the peritoneal transport while absorption overbalanced secretion in the intestinal transport. It seems likely that a solvent drag effect by water movement did not contribute much to the transport of aprindine from the blood to the intestinal lumen or the peritoneal cavity. The differences in transport across the two membranes could be due to differences in the surface area and other geometrical factors. Differences could also be due to a difference in the pharmacologic effects of the drug which causes a decrease in tissue splanchnic perfusion.

journal_name

Chem Pharm Bull (Tokyo)

journal_title

Chemical & pharmaceutical bulletin

authors

Arimori K,Hashimoto Y,Nakano M

doi

10.1248/cpb.39.3359

subject

Has Abstract

pub_date

1991-12-01 00:00:00

pages

3359-61

issue

12

eissn

0009-2363

issn

1347-5223

journal_volume

39

pub_type

杂志文章

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