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Could extra vitamin d help preemie babies breathe easier?

NCT ID NCT05615311

Disease control Sponsor: University of Alabama at Birmingham Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether giving extremely preterm infants (born at 28 weeks or less) a higher dose of vitamin D during their first two weeks of life can improve their breathing outcomes. 126 babies will be randomly assigned to receive either a high or low dose of vitamin D. Researchers will measure how much breathing support they need and use a special device to check lung function.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Vitamin D
What this could lead to
If it works, this could point toward a simple, low-cost way to reduce severe breathing problems in extremely preterm infants.
What could go wrong
This is an early-phase trial with only 126 infants, so results may not be conclusive. The benefit may be small or not appear at all.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 126 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2023

Expected to finish

May 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

1 day to 4 days

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Gestational age of 28 weeks or less Exclusion Criteria: * Major congenital anomalies and infants * Terminal illness in whom decisions to withhold or limit life support have been made

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Conditions

The condition(s) this trial relates to.

Premature Birth

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Prematurity; extreme

Contacts and locations

Locations

  • University of Alabama at Birmingham

    Birmingham, Alabama, 35233, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.