Ileostomy Observation Study

Status Enrolling by invitation

Clinical Trial Summary

Inflammatory bowel disease (IBD) which is associated with low bone mineral density is divided into 2 major disease entities: Crohn's disease and ulcerative colitis. Medical therapy is directed at controlling symptoms and reducing the underlying inflammatory process. Studies have reported that 60% of patients with Crohn's disease and 15%-30% of patients with ulcerative colitis require surgical intervention for the management of their disease. In the United Kingdom almost 13,000 ileostomy procedures are undertaken annually. A 29.4% prevalence of low bone mineral density (BMD) was reported in a cohort of US patients with IBD and ileostomy who were >5 years postoperative. Possible risk factors for bone loss in patients with IBD and ileostomy are considered to include malabsorption secondary to bowel resection, malnutrition and more aggressive disease and inflammation which led to bowel resection in the first place . These factors also contribute to reduced intestinal absorption of nutrients and vitamins including B & D subsequently leading to potential health complications including low BMI and low lean body mass. It has been reported that IBD patients who have surgical intervention to create ileal pouches also have low levels of vitamin D.

Surgical procedures such as an ileostomy alter the normal anatomy and physiology of the small intestine. Bile acid (BA) malabsorption which is common to IBD is caused by impaired conjugated BA reabsorption and a consequence, numerous pathological sequelae may occur, including the malfunction of lipid digestion . Further, bacterial overgrowth can lead to deconjugation of bile salts, leading to formation of free bile acids, again inducing dietary fat malabsorption, which in turn can lead to vitamin D deficiency. As vitamin D is a fat-soluble vitamin, malfunction of lipid digestion or absorption is problematic.

Given the paucity of data in the area of ileostomy patients BMD, vitamin D status and calcium intake, we will establish baseline observations within the Northern Ireland (NI) population with an observational study to assess bone mineral density (Dexa), collecting ileal fluid and plasma samples assessing vitamin D status, calcium, dietary intake and other measures including questionnaires on quality of life and exercise.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Ileostomy - Stoma

Clinical Trial Details

NCT number	NCT04143139
Study type	Observational
Source	University of Ulster
Contact
Status	Enrolling by invitation
Phase
Start date	July 10, 2017
Completion date	October 1, 2020

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.