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Not yet recruitingNCT07810543Updated Sep 10, 2026

Fecal Calprotectin in Breastfed vs Formula-Fed Preterm Infants and NEC

An observational study in Necrotizing Enterocolitis, Premature and Breast Feeding, sponsored by Assiut University. Not yet recruiting. Open to participants aged Up to 36 Weeks. Per ClinicalTrials.gov, last updated 2026-09-10.

Sponsored by Assiut University · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
112
Ages
Up to 36 Weeks
Sex
All
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Study summary

This prospective observational study aims to evaluate fecal calprotectin levels as an early indicator of necrotizing enterocolitis in preterm infants and to compare levels between breastfed and formula-fed preterm infants at Assiut University Children Hospital.

Read the detailed description

Necrotizing enterocolitis (NEC) is a serious gastrointestinal disease in preterm neonates associated with high morbidity and mortality. Early diagnosis remains challenging. Fecal calprotectin is a non-invasive marker of intestinal inflammation that has shown potential as an early indicator of NEC.

This prospective study will include preterm neonates less than 36 weeks gestational age or with birth weight less than 1500 grams. Fecal calprotectin levels will be measured and compared between exclusively breastfed and formula-fed infants. The association of fecal calprotectin levels with the development of necrotizing enterocolitis will be assessed.

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Conditions studied

  • Necrotizing Enterocolitis
  • Premature
  • Breast Feeding

Keywords

  • Fecal calprotectin
  • Necrotizing enterocolitis
  • Preterm infants
  • Breastfeeding
  • Formula feeding
  • Assiut
03

In context

Enterocolitis, Necrotizing

228 studies on the registry are indexed under Enterocolitis, Necrotizing; 44 are open to participants now.

This study's planned enrollment of 112 is below the median of 144 across 95 observational studies indexed under Enterocolitis, Necrotizing.

Browse Enterocolitis, Necrotizing studies →

Lead sponsor

Assiut University is the lead sponsor of 5,078 studies on the registry; 2,178 are open to participants now.

Of its 14 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
Up to 36 Weeks
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Preterm neonates less than 36 weeks gestational age or with birth weight less than 1500 grams admitted to Assiut University Children Hospital.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • - Preterm neonates less than 36 weeks gestational age
  • Or low birth weight less than 1500 grams
  • Or both
  • Written from parents or legal guardians

Exclusion criteria

Exclusion Criteria:

  • - Full-term neonates
  • Neonates with average birth weight
  • Preterm neonates with major congenital gastrointestinal anomalies or chromosomal abnormalities
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
112 participants (estimated)
Target follow-up
30 Days
Patient registry
Yes

Groups and cohorts

  • Exclusively breastfed preterm infants

    Preterm infants will be categorized according to feeding type and followed for fecal calprotectin levels and development of necrotizing enterocolitis.

  • Exclusively formula-fed preterm infants

    Preterm infants will be categorized according to feeding type and followed for fecal calprotectin levels and development of necrotizing enterocolitis.

06

What researchers measure

Primary outcomes

  1. Fecal calprotectin level in relation to necrotizing enterocolitis

    Comparison of fecal calprotectin concentrations (µg/g) between preterm infants who develop necrotizing enterocolitis and those who do not.

    Time frame: Within the first 30 days of life

Secondary outcomes

  1. Comparison of fecal calprotectin between feeding groups

    Difference in fecal calprotectin levels (µg/g) between exclusively breastfed and exclusively formula-fed preterm infants.

    Time frame: Within the first 30 days of life

  2. Diagnostic performance of fecal calprotectin for NEC

    Sensitivity, specificity, and optimal cutoff value of fecal calprotectin for predicting necrotizing enterocolitis using ROC curve analysis.

    Time frame: Within the first 30 days of life

  3. Correlation of feeding type with necrotizing enterocolitis

    Odds ratio for the occurrence of necrotizing enterocolitis according to type of feeding (exclusively breastfed versus exclusively formula-fed), using logistic regression analysis.

    Time frame: Within the first 30 days of life

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Study locations

No study locations are listed for this record.

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References and documents

Publications

  • Yee WH, Soraisham AS, Shah VS, Aziz K, Yoon W, Lee SK; Canadian Neonatal Network. Incidence and timing of presentation of necrotizing enterocolitis in preterm infants. Pediatrics. 2012 Feb;129(2):e298-304. doi: 10.1542/peds.2011-2022. Epub 2012 Jan 23. PubMed 22271701 ↗
  • Stoll BJ, Hansen NI, Bell EF, Walsh MC, Carlo WA, Shankaran S, Laptook AR, Sanchez PJ, Van Meurs KP, Wyckoff M, Das A, Hale EC, Ball MB, Newman NS, Schibler K, Poindexter BB, Kennedy KA, Cotten CM, Watterberg KL, D'Angio CT, DeMauro SB, Truog WE, Devaskar U, Higgins RD; Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network. Trends in Care Practices, Morbidity, and Mortality of Extremely Preterm Neonates, 1993-2012. JAMA. 2015 Sep 8;314(10):1039-51. doi: 10.1001/jama.2015.10244. PubMed 26348753 ↗
  • Fentz HN, Trillingsgaard T. Checking up on Couples-A Meta-Analysis of the Effect of Assessment and Feedback on Marital Functioning and Individual Mental Health in Couples. J Marital Fam Ther. 2017 Jan;43(1):31-50. doi: 10.1111/jmft.12185. Epub 2016 Aug 12. PubMed 27515558 ↗
  • Neu J, Walker WA. Necrotizing enterocolitis. N Engl J Med. 2011 Jan 20;364(3):255-64. doi: 10.1056/NEJMra1005408. No abstract available. PubMed 21247316 ↗
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Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Sep 2026; primary completion for Sep 2027, 12 months later.

Of 39 observational studies under Enterocolitis, Necrotizing, half reached primary completion within 29 months of starting (the median), counting those still running; a quarter within 19 and three quarters within 115. This study's planned 12 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Sep 3, 2026
First posted
Sep 9, 2026
StartEst.
Sep 3, 2026
Primary completionEst.
Sep 10, 2027
CompletionEst.
May 10, 2028
Last update
Sep 10, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Sep 10, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07810543
Lead sponsor
Assiut University
Responsible party
Amany Mohamed Esmat Ahmed Hussien (Resident Physician, Assiut University) — Principal investigator
First posted
Sep 9, 2026
Start date
Sep 3, 2026 (estimated)
Primary completion
Sep 10, 2027 (estimated)
Completion
May 10, 2028 (estimated)
Last update
Sep 10, 2026

Study contacts

Amany M Hussien, Resident
Contact
Amani.18313375@med.aun.edu.eg
+20 10 01286248
Nafisa H Refat, prof
study chair · Pediatrics Department, Assiut University Hospitals

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Sep 2026. You cannot join it, but the record below documents what was studied.

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