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Waiting 30 seconds to clamp the cord could help tiniest babies

NCT ID NCT01222364

Disease control Sponsor: NICHD Neonatal Research Network 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study tested whether waiting 30-45 seconds before clamping the umbilical cord, instead of clamping immediately, is feasible and might improve blood health in extremely low birth weight premature infants (24-27 weeks gestation). 54 infants were enrolled. The goal was to see if delayed clamping could increase hematocrit levels and reduce the need for blood transfusions.

What this could mean

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

Active substance
Delayed cord clamping (procedure)
What this could lead to
If successful, this approach could improve blood counts and reduce the need for transfusions in fragile premature infants.
What could go wrong
This is a very small pilot study (54 infants) focused on feasibility, not proof of benefit. Results may not apply broadly or show clear health improvements.

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

54 people

The number who actually took part.

Start date

Jun 2000

Finished

Dec 2000

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

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

Ages

0 minutes to 1 minute

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Infants born at participating centers at 24-27 weeks gestation * Singletons * Obstetrician approval for enrollment * Parental consent Exclusion Criteria: * Prenatally diagnosed major congenital anomalies * Intent to withhold or withdraw care * Significant bleeding due to placenta previa or abruption

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Conditions

The condition(s) this trial relates to.

fetal growth restriction Premature Birth

As listed by the trial registrant

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

Infant, low birth weight Infant, newborn Infant, premature Infant, small for gestational age

Contacts and locations

Locations

  • Brown University, Women & Infants Hospital of Rhode Island

    Providence, Rhode Island, 02905, United States

  • Case Western Reserve University, Rainbow Babies and Children's Hospital

    Cleveland, Ohio, 44106, United States

  • Cincinnati Children's Medical Center

    Cincinnati, Ohio, 45267, United States

  • University of Alabama

    Birmingham, Alabama, 35249-7335, United States

More trials for these conditions

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