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The Effect of Serotonergic Modulation on Intestinal Permeability and Visceral Hypersensitivity in Healthy Individuals and Irritable Bowel Syndrome (IBS) Patients

Irritable Bowel Syndrome Clinical Trial

Official title:
The Effect of Serotonergic Modulation on Intestinal Permeability and Visceral Hypersensitivity in Healthy Individuals and IBS Patients

Clinical Trial Summary

Serotonin, 5-hydroxytryptamin (5-HT), plays an important role in regulating the gastrointestinal functions. In this study we will modulate the serotonin system with acute tryptophan depletion (ATD) and administration of 5-hydroxytryptophan (5-HTP). ATD is based on ingestion of an amino acid drink devoid of the precursor of serotonin and hence caused a decreased serotonin level. 5-hydroxy-tryptophan is the direct precursor of serotonin and its administration, an increased serotonin level is expected. During these interventions, gut permeability and visceral sensitivity will be measured in healthy individuals and patients with irritable bowel syndrome, which is characterized by altered permeability and visceral hypersensitivity.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00731003
Study type Interventional
Source Maastricht University Medical Center
Contact
Status Completed
Phase N/A
Start date April 2009
Completion date May 2011
View Details
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