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Circulating Levels of Sulphasalazine and Its Metabolites and Their Relation to the Clinical Efficacy of the Drug in Ulcerative Colitis

Overview
Journal Gut
Specialty Gastroenterology
Date 1980 Aug 1
PMID 6107264
Citations 10
Authors
A K Azad Khan
S C TRUELOVE
Affiliations
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Abstract

One hundred and eighty-five patients with ulcerative colitis have been studied serially while receiving regular maintenance treatment with sulphasalazine (SASP) in a dose of 0.5 g four times daily. The circulating levels of the drug and its principal metabolites during remission do not influence the liability to relapse. When relapse does occur, the circulating level of sulphapyridine falls and remains depressed until remission occurs. This fall during a relapse is most pronounced when the patient suffers from universal colitis and is least marked in cases of distal colitis.

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