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Risk Factors and Biomarkers for Diagnosis and Treatment of EoE

Study Purpose

Purpose: To validate our previously developed model of risk factors for diagnosis of eosinophilic esophagitis (EoE), and to assess the utility of serum levels of biomarkers in diagnosis and monitoring of treatment of EoE. Participants: Up to a total of 800 participants (approximately 400 with EoE and 400 without EoE) who are referred for upper endoscopy. Procedures: This is a prospective cohort study. Patients will be compared with newly diagnosed EoE to non-EoE controls, obtain baseline measures, reassess EoE patients after treatment, and also reassess untreated controls. Data collection will include questionnaire results, blood collection, and tissue collection (esophageal biopsies performed during upper endoscopy per pre-specified protocol). Blood will be analyzed for the presence of the candidate biomarkers. Patients will be compared with newly diagnosed EoE to non-EoE controls, obtain baseline measures, reassess EoE patients after treatment, and also reassess untreated controls. Data collection will include questionnaire results, blood collection, possible saliva collection, possible urine collection, and tissue collection (esophageal biopsies performed during upper endoscopy per pre-specified protocol). Blood will be analyzed for the presence of the candidate biomarkers, including eotaxin-3 and IL-13.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

Observational
Eligible Ages 18 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

1. Referral for upper endoscopy (esophagogastroduodenoscopy; EGD) to evaluate specific symptoms (dysphagia, heartburn, reflux, chest pain, regurgitation, abdominal pain, nausea, or vomiting). 2. Age 18 or older

Exclusion Criteria:

1. Acute GI bleeding. 2. Known cancer of the esophagus, stomach, or small bowel. 3. Prior esophageal resection. 4. Esophageal varices. 5. Active anticoagulation or bleeding diathesis. 6. Medical instability (determined by the performing endoscopist) to precludes performing EGD. 7. Pregnancy 8. Inability to read or understand the consent form and questionnaire.

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

NCT01988285
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

University of North Carolina, Chapel Hill
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Evan S Dellon, MD, MPH
Principal Investigator Affiliation University of North Carolina, Chapel Hill
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

OtherNIH
Overall Status Enrolling by invitation
Countries United States
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

Eosinophilic Esophagitis

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Chapel Hill, North Carolina

Status

Address

University of North Carolina, Chapel Hill

Chapel Hill, North Carolina, 27599

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