Fecal Calprotectin in Pediatric Gastrointestinal Disorders

September 2, 2026 updated by: Manar Helmy Mohamed, Assiut University

Diagnostic Value of Fecal Calprotectin in Gastrointestinal Disorders Versus Its Correlation With Endoscopic and Histopathological Findings

This prospective cross-sectional study aims to evaluate the diagnostic value of fecal calprotectin as a non-invasive biomarker in children with gastrointestinal disorders and to assess its correlation with endoscopic and histopathological findings at Assiut University Children Hospital.

Study Overview

Status

Not yet recruiting

Detailed Description

Gastrointestinal symptoms such as chronic abdominal pain, persistent diarrhea, and rectal bleeding are common reasons for referral to pediatric gastroenterology clinics. Distinguishing organic inflammatory disease from functional disorders remains a diagnostic challenge.

Fecal calprotectin is a non-invasive marker of intestinal inflammation. This study will include children aged 2 to 18 years with chronic or recurrent gastrointestinal symptoms who are scheduled for endoscopic evaluation. Fecal calprotectin levels will be measured and compared with endoscopic and histopathological findings to determine diagnostic performance, including sensitivity, specificity, and optimal cutoff values.

Study Type

Observational

Enrollment (Estimated)

120

Contacts and Locations

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

Study Contact

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

Ages Eligible for Study

  • Child
  • Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Children aged 2 to 18 years presenting with chronic or recurrent gastrointestinal symptoms and scheduled for endoscopic evaluation at the Pediatric Gastroenterology and Endoscopy Units, Assiut University Children Hospital.

Description

Inclusion Criteria:

  • - Age 2 to 18 years
  • Chronic gastrointestinal symptoms of more than 4 weeks duration (chronic diarrhea, recurrent abdominal pain, rectal bleeding, unexplained weight loss, or failure to thrive)
  • Scheduled for upper gastrointestinal endoscopy and/or ileocolonoscopy with mucosal biopsy
  • Written informed consent from parents or legal guardians

Exclusion Criteria:

  • Age below 2 years
  • Use of NSAIDs, systemic corticosteroids, or antibiotics within 4 weeks before stool sampling
  • Documented acute gastrointestinal infection, surgical gastrointestinal bleeding, or intestinal parasitic infestation
  • Previous gastrointestinal surgery, known malignancy, chronic liver disease, chronic kidney disease, or cystic fibrosis
  • Refusal of parents or legal guardians to participate
  • Failure to obtain an adequate stool sample

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

Cohorts and Interventions

Group / Cohort
Single group: Children with gastrointestinal symptoms undergoing endoscopy
Children aged 2-18 years with chronic or recurrent gastrointestinal symptoms who will undergo fecal calprotectin measurement and endoscopic evaluation with mucosal biopsy as part of routine diagnostic work-up.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Diagnostic performance of fecal calprotectin
Time Frame: Baseline
Sensitivity, specificity, positive predictive value, negative predictive value, and area under the receiver operating characteristic (ROC) curve of fecal calprotectin for detecting mucosal inflammation, using endoscopic and histopathological findings as the reference standard.
Baseline

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Correlation with endoscopic findings
Time Frame: Baseline
Correlation between fecal calprotectin concentration (µg/g) and endoscopic severity scores (Mayo Endoscopic Subscore or SES-CD).
Baseline
Correlation with histopathological findings
Time Frame: Baseline
Correlation between fecal calprotectin concentration (µg/g) and histopathological grade of mucosal inflammation.
Baseline
Optimal cutoff value of fecal calprotectin
Time Frame: Baseline
Optimal cutoff value of fecal calprotectin for detecting mucosal inflammation derived from ROC curve analysis.
Baseline

Collaborators and Investigators

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

Investigators

  • Study Chair: Zeinab m Mohieldeen, prof, Pediatric Department, Assiut University Hospitals

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.

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 (Estimated)

September 2, 2026

Primary Completion (Estimated)

September 2, 2027

Study Completion (Estimated)

August 1, 2028

Study Registration Dates

First Submitted

September 2, 2026

First Submitted That Met QC Criteria

September 2, 2026

First Posted (Actual)

September 8, 2026

Study Record Updates

Last Update Posted (Actual)

September 8, 2026

Last Update Submitted That Met QC Criteria

September 2, 2026

Last Verified

September 1, 2026

More Information

Terms related to this study

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

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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