- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03329534
Gluten Related Disorders in Barrett's Esophagus
Mechanisms Underlying Development of Barrett's Esophagus in Patients With Gluten Related Disorders
In a small group of people gluten, a storage protein commonly in wheat and other grains, can cause gut inflammation and symptoms like diarrhea and abdominal pain. Gluten-related disorders include celiac disease (CD) and non-celiac gluten sensitivity (NCGS) and are treated by starting a gluten free diet (GFD). Patients with CD and NCGS also more commonly experience esophageal reflux and damage to the lining of the esophagus. A potential consequence of long-standing heartburn is Barrett's esophagus (BE), a major risk factor for cancer of the esophagus.
This study aims to investigate the mechanism that leads to reflux and BE in those with gluten related disorders, and to assess if a GFD is beneficial. We will study the upper gut function and reflux activity in patients with BE both with and without a GRD disorder. Testing will occur before and after a gluten free diet is instituted. The results will help inform health care providers and patients about the connection between gluten-related disorders, reflux, BE, and the role of GFD.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Perhaps patient's with gluten related disorders develop Barrett's esophagus due to non-acid reflux precipitated by upper gastrointestinal motility changes that respond to a gluten free diet; whereas patients without gluten related disorders develop Barrett's due to the accepted mechanism of acid reflux.
The primary objectives are to explore if patients with gluten-related disorders (CD and GS) may have an altered mechanism of developing Barrett's esophagus typified by increased alkali reflux compared to those without gluten-related disorders; and to determine if this mechanism (altered motility and increased non-acid reflux) responds to a gluten free diet.
Specific objectives include assessing whether patients with GRD and Barrett's esophagus have altered esophageal reflux extent, frequency, and type (assessed by pH-impedance); altered symptom profiles; differential esophageal body and sphincter pressures (assessed by manometry); aberrant gastroduodenal motility (assessed by videofluoroscopy) in comparison to patients with BE and no GRD. Finally a gluten free diet will be instituted to assess whether a gluten-free diet alters esophageal reflux extent, frequency, and type or symptom profiles in those with BE with and without a GRD.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Premysl Bercik, MD
- Phone Number: 73495 905 521 2100
- Email: bercikp@mcmaster.ca
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Aged 18 years and over
- Barrett's Esophagus diagnosis based on endoscopy and esophageal biopsies
- Patients able to comply to the study procedures, according to the investigator's own judgment
Exclusion Criteria:
- Patients who have been on a gluten free diet within the last six months
- History of bariatric surgery, fundoplication, or gastrectomy (partial or complete)
- Connective tissue disease
- Concurrent organic GI pathology other than benign polyps, haemorrhoids, lipomas, H. pylori infection, diverticulosis, and melanosis coli
- Chronic treatment with high dose opioids
- Alcohol or drug abuse
- Pregnant or breastfeeding women. Women enrolling in the study will be advised to avoid pregnancy during the course of the study by using adequate birth control such as abstinence, oral contraceptive pill, barrier contraceptives (i.e condom). If a subject becomes pregnant she will be withdrawn from the study.
- Concurrent systemic disease and/or laboratory abnormalities considered by investigators to be a risk or that could interfere with data collection
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Subjects with GRDs
An intervention of a change in diet, specifically a gluten free diet taught by a health care professional will be administered for one month's time.
|
A month long gluten free diet
|
Active Comparator: Subjects without GRDs
An intervention of a change in diet, specifically a gluten free diet taught by a health-care professional will be administered for one month's time.
|
A month long gluten free diet
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ratio of non-acidic to acidic reflux events
Time Frame: At study start and at one month after a gluten free diet
|
Proportion of non-acid to acid reflux events as determined by pH-impedance
|
At study start and at one month after a gluten free diet
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reflux disease questionnaire
Time Frame: At study start and one month after a gluten free diet
|
12 questions with six choices each.
Results are added such that best score is 12 and worst score is 72.
|
At study start and one month after a gluten free diet
|
Esophageal motility
Time Frame: At study start
|
Manometric findings of the upper and lower sphincters and esophageal body
|
At study start
|
Upper gastrointestinal motility
Time Frame: At study start
|
Fluoroscopic findings of gastroduodenal motility
|
At study start
|
Leeds short form questionnaire
Time Frame: At study start and one month after a gluten free diet
|
Questionnaire for dyspepsia.
Nine questions with five choices each.
Only eight question scores are summed.
Best score is 8 and worst score is 40.
|
At study start and one month after a gluten free diet
|
Gastroesophageal reflux disease-health related quality of life instrument
Time Frame: At study start and one month after a gluten free diet
|
11 questions.
Ten of them are summed with six choices each.
The best score is 0 and the worst score is 50.
|
At study start and one month after a gluten free diet
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Premysl Bercik, MD, McMaster University
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- GRD in BE
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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