title: Absorption of delayed-release prednisolone in ulcerative colitis and Crohn's disease.
abstract: The absorption and urinary excretion of [3H]prednisolone after oral ingestion was examined using hard gelatin capsules with and without a coating of Eudragit-S which delayed release of the contents. In 6 patients with ulcerative colitis absorption was delayed until the preparation reached the colon but the total absorption was unchanged. In 6 patients with Crohn's disease and ileal strictures the preparation broke proximal to the stricture and absorption was delayed until this occurred (within 4-12 h). In 5 patients with Crohn's disease and intestinal resections the capsules broke unreliably.
authors.forename: P
authors.initials: P
authors.lastname: Thomas
authors.forename: D
authors.initials: D
authors.lastname: Richards
authors.forename: A
authors.initials: A
authors.lastname: Richards
authors.forename: L
authors.initials: L
authors.lastname: Rogers
authors.forename: B K
authors.initials: BK
authors.lastname: Evans
authors.forename: M J
authors.initials: MJ
authors.lastname: Dew
authors.forename: J
authors.initials: J
authors.lastname: Rhodes
mesh_terms: D000328:Adult; D000368:Aged; D003093:Colitis, Ulcerative / Q000188:drug therapy / Q000378:metabolism*; D003424:Crohn Disease / Q000188:drug therapy / Q000378:metabolism*; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D007700:Kinetics; D008297:Male; D008875:Middle Aged; D011239:Prednisolone / Q000008:administration & dosage / Q000378:metabolism*
chemical_list: D003692:Delayed-Action Preparations; D011239:Prednisolone