Bile Acid Deficiency in Subgroup of Patients With Irritable Bowel Syndrome With Constipation Based on Biomarkers in Serum and Fecal Samples

Short-term administration of delayed-release chenodeoxycholic acid to patients with irritable bowel syndrome with constipation (IBS-C) accelerates colonic transit and reduces symptoms. A preliminary study has shown that patients with IBS-C have reduced levels of bile acids (BAs) in feces and reduced synthesis of BA. We compared levels of primary and secondary BAs in fecal samples collected over a 48-hr period from patients with IBS-C on a diet that contained 100 g fat per day, and compared them will levels in samples from healthy volunteers (controls).

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