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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05144204
Other study ID # 2018-07-023B
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date December 1, 2021
Est. completion date December 31, 2023

Study information

Verified date November 2021
Source Taipei Veterans General Hospital, Taiwan
Contact Ching-Liang Lu
Phone 886228712121
Email cllu@vghtpe.gov.tw
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Irritable bowel syndrome (IBS) is a common functional gastrointestinal disorder, affecting 15% of the population. IBS is characterized by recurrent abdominal pain/discomfort without identifiable organic lesions. The pathophysiology of IBS can be multi factors which included immune activation/inflammatory reactions, visceral hypersensitivity, gastrointestinal dysmotility, changes in gut microflora, brain-gut dysfunction and food intolerance. Many short-chain carbohydrates can induce abdominal symptoms, and these carbohydrates were called, Fermentable, Oligosaccharides, Disaccharides and Monosaccharides and Polyols (FODMAPs). Around 50- 86% of the IBS patients will have a clinically meaningful response to the low-FODMAP diet. To evaluate the efficacy of low FODMAP diet. Experimental design: Health control and patients meeting the ROME III criteria for IBS will be enrolled in this study. The basic profiles, patient characteristics, intestinal microbiota profiles and MRI images will be obtained before and after low FODMAP diet intervention.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 30
Est. completion date December 31, 2023
Est. primary completion date May 31, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 20 Years to 65 Years
Eligibility Inclusion Criteria: Patients are eligible for the study if all of the following criteria are met: 1. Patients with irritable bowel syndrome as per Rome IV diagnostic criteria Symptom characteristics of IBS according to Rome III and IV criteria 2. Patients must provide witnessed written informed consent prior to any study procedures being performed 3. Patients aged between 20-65 years 4. Male or female patients Exclusion Criteria: - Exclusion criteria including: 1. Unable to provide or understand written informed consent. 2. Pregnancy. 3. Receiving antibiotics or narcotics within 90 days prior to enrollment. 4. Receiving new prebiotics, probiotics within 90 days prior to enrollment. 5. Current infection. 6. History of inflammatory bowel disease. 7. Thyroid disease. 8. Major psychiatric disorders, including clinical anxiety or depression and previous use of anxiolytics and antidepressants. 9. Previous stroke, intracerebral hemorrhage, or central nervous system diseases. 10. Malignancy.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Low FODMAP diet
Low FODMAP diet instruction to irritable bowel syndrome patients.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Taipei Veterans General Hospital, Taiwan

Outcome

Type Measure Description Time frame Safety issue
Primary irritable bowel syndrome Severity Scale (IBS-SS) The primary endpoint is the variable used to assess the main objective, the efficacy of low FODMAP diet on gastrointestinal symptoms in IBS (focusing on the elimination phase) change from baseline after 6-8 weeks. The variables used will be the symptom scores of several symptom questionnaires. Ultimately, the efficacy of the diet is based on improvement of symptom scores. Improvement is defined as a 50-point drop on the Irritable Bowel Syndrome Symptom Severity Scale (IBS-SSS). In this questionnaire, each quesiton is scored from 0-100, with a maximum total score of 500. Patients reporting scores <50 are defined as non-IBS individuals, a score from 50-175 indicated mild disease, 175-300 moderate and >300 severe. Baseline, end of study approximately 6 to 8 weeks ]
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