Effect of Elemental Diet on Adult Patients With Eosinophilic Gastroenteritis

October 5, 2020 updated by: Children's Hospital Medical Center, Cincinnati
The purpose of this study is to investigate the effect of an elemental diet on adult patients with Eosinophilic Gastroenteritis

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

This prospective interventional study will investigate the effect of an exclusive, six week elemental diet in adult patients with Eosinophilic Gastroenteritis

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
18

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Illinois
      • Chicago, Illinois, United States, 60208
        • Northwestern University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years to 61 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Participant must be able to understand and provide informed consent
  2. Males and Females ≥18 to 65 years of age;
  3. Have diagnosis of EG/EGE
  4. Have histologically confirmed active disease > 30 eosinophils/hpf
  5. Symptomatic (have experienced symptoms within the last one months prior to enrollment).
  6. Female subjects of childbearing potential must have a negative pregnancy test upon study entry
  7. Female (and male) subjects with reproductive potential, must agree to use FDA approved methods of birth control for the duration of the study-specific methods may be listed, if applicable

Exclusion Criteria:

  1. Inability or unwillingness of a participant to give written informed consent or comply with study protocol
  2. Secondary causes of gastrointestinal and peripheral eosinophilia
  3. Eosinophilic infiltration isolated to the esophagus.
  4. Pregnancy
  5. Immunodeficiency states
  6. Have been treated with topical swallowed steroids within the last 6 weeks or systemic steroids within the last 2 months unless repeat endoscopy is performed and shows active inflammation on these therapies in which case these medications will be allowed to be continued without dose escalation.
  7. Have taken immunosuppression medication or immunomodulators within 2 months of the study unless the recent/baseline endoscopy has active histologic inflammation while on these medications. In this case, these medications will be permitted to be continued as long as the dose is not escalated during the treatment phase.
  8. Have been on an elemental diet previously for six weeks with follow up endoscopy completed.
  9. Have participated in any investigative drug study within 6 weeks prior to study entry.
  10. Unable to complete study procedures including endoscopy.
  11. Past or current medical problems or findings from physical examination or laboratory testing that are not listed above, which, in the opinion of the investigator, may pose additional risks from participation in the study, may interfere with the participant's ability to comply with study requirements or that may impact the quality or interpretation of the data obtained from the study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Other: Treatment
Elemental formula Intervention: Elemental Diet Therapy
Other: Elemental Diet Therapy
Elemental diet is a formula composed of amino-acids, carbohydrates, and lipids that is 100% nutritionally complete

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Percent of Participants in Complete Histologic Remission
Time Frame: 6 weeks after treatment
Percent of patients who have achieved complete histologic remission. Complete histologic remission is defined as normalization of gastric mucosal eosinophilia (histology with less than the diagnostic threshold levels of mucosal eosinophilia (<30 eosinophils per high power field (HPF))
6 weeks after treatment

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Percent of Participants in Partial Histologic Remission
Time Frame: 6 weeks after treatment
Percent of participants in partial histologic remission. Partial remission is defined as 50% or more reduction in the maximum of gastric and duodenal peak eosinophil count.
6 weeks after treatment
Mean Change From Baseline in Maximum Eosinophil Count
Time Frame: Baseline, 6 weeks after treatment
The maximum between gastric and duodenal eosinophil counts per high power field were obtained at baseline and 6 weeks. Mean change in count is defined as maximum eosinophil count per high power field (hpf) at 6 weeks minus maximum eosinophil count per hpf at baseline. A reduction (negative change from baseline) in eosinophil count per hpf indicates improvement. Eosinophil counts per hpf from gastric and duodenal biopsies were assessed by research pathologists at 400X magnification.
Baseline, 6 weeks after treatment
Change From Baseline in Total Gastric Endoscopic Reference Score
Time Frame: Baseline, 6 weeks after treatment
The gastric endoscopic reference score utilizes standardized criteria for the presence and degree of major endoscopic features. Overall scores range from 0 - 10. Endoscopic features were assessed at baseline and 6 weeks. Change in overall endoscopic reference score is defined as overall score at 6 weeks minus overall score at baseline. A reduction (negative change) in score indicates improvement.
Baseline, 6 weeks after treatment
Change From Baseline in Symptoms of Dyspepsia (SODA)
Time Frame: Baseline, 6 weeks after treatment
The SODA questionnaire captures symptoms associated with gastric dyspepsia including symptoms associated with "pain" and "non-pain" as well as general satisfaction with present symptoms. The scores range from 0 to 47 for pain; 0 to 35 for non-pain, and 0 to 23 for satisfaction. Higher scores indicate more frequent and/or severe symptoms for pain and non-pain. Higher scores indicate greater satisfaction. Scores were obtained at baseline and 6 weeks. Change in score is defined as total score at 6 weeks minus total score at baseline. A reduction (negative change) indicates improvement in pain and non-pain. An increase (positive change) indicates improvement in satisfaction.
Baseline, 6 weeks after treatment
Change From Baseline in Promis Anxiety
Time Frame: Baseline, 6 weeks after treatment
The Promis 29 questionnaire was used to assess anxiety. The range of scores for the anxiety sub-domain is 4 - 20 (raw score) with T-scores ranging from 40 to 82. A higher T-score indicates greater anxiety. Scores were obtained at baseline and 6 weeks. Change in score is defined as total score at 6 weeks minus total score at baseline.
Baseline, 6 weeks after treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Children's Hospital Medical Center, Cincinnati

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
National Institute of Allergy and Infectious Diseases (NIAID)
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
National Center for Advancing Translational Sciences (NCATS)
Office of Rare Diseases (ORD)

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Nirmala Gonsalves, M.D., Northwestern University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 5, 2017

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
September 5, 2019

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
October 5, 2019

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
October 12, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 20, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
October 25, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
October 27, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 5, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
September 1, 2020

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 2017-2766
  • U54AI117804 (U.S. NIH Grant/Contract)

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

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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Conditions

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