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. 1988 Feb;25(2):269-72.
doi: 10.1111/j.1365-2125.1988.tb03301.x.

Absorption of 5-aminosalicylic acid from colon and rectum

S Bondesen  1 , J B Schou, V Pedersen, Z Rafiolsadat, S H Hansen, E F Hvidberg
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Absorption of 5-aminosalicylic acid from colon and rectum

S Bondesen et al. Br J Clin Pharmacol. 1988 Feb.

Abstract

In order to clarify the characteristics of absorption of 5-aminosalicylic acid (5-ASA) from the colon, a neutral solution was instilled into the right part of the colon and the rectum, respectively, in six volunteers. A laxative (bisacodyl) and liquid meals were given prior to each instillation. No significant difference could be demonstrated between the two parts of the large bowel, but the absorption was considerably restricted compared with previous results obtained from the jejunum. The results confirm in a direct manner earlier observations on 5-ASA released from sulphasalazine.

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