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Sodium and Milk Fortification Evaluation of Body Composition Among Very Preterm Infants

Recruiting

Who can join

0 Days – 14 Days · All sexes

Full eligibility criteria

Inclusion Criteria:

* Admitted to the University of Washington, Oregon Health and Sciences, or University of Cincinnati NICU at 14 days of age
* Born between 24w0days and 31w6d
* Achieved full enteral feeding

Exclusion Criteria:

* Congenital or chromosomal anomalies affecting growth
* Acute renal insufficiency (KDIGO stage 1 or higher)
* Necrotizing enterocolitis (modified Bell's stage IIA or higher)
* Anticipated NICU stay less than 30 days
* Enrollment in a concurrent interventional study that may confound study outcomes

About the study

The goal of the trial is to learn if targeted sodium supplementation (including blood and urine sodium testing) versus standard milk fortification (including blood sodium testing) improves growth and body composition in very preterm infants?

What is being tested

Urine sodium testing (diagnostic test)
Serum sodium testing (diagnostic test)
Milk fortification (dietary supplement)

Sponsor: University of Washington · Participants: 150 · Started: May 18, 2026

Contact the study team

John Feltner, MS · Phone: (206) 543-3200

Official record on ClinicalTrials.gov — NCT07562997

Locations in the U.S.

Ohio	University of Cincinnati, Cincinnati (Not yet recruiting)
Oregon	Oregon Health & Science University, Portland (Not yet recruiting)
Washington	University of Washington, Seattle

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.