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Could a common heart drug protect newborn brains? small trial launches

NCT ID NCT06810284

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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2 study will test how the drug sildenafil (Revatio) is processed in the bodies of 24 full-term newborns who experienced oxygen deprivation at birth and are already receiving standard cooling therapy. The goal is to measure drug levels and prepare for a larger trial that would check if adding sildenafil to cooling helps babies survive without brain damage. The study is not yet recruiting.

What this could mean

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

Active substance
sildenafil citrate (Revatio)
What this could lead to
If successful, this could pave the way for a larger study testing whether combining sildenafil with cooling therapy helps newborns survive without brain damage after oxygen deprivation at birth.
What could go wrong
This is a very early, small study (24 babies) focused only on drug levels, not on whether the treatment actually works. The drug may not improve outcomes or could cause side effects in fragile newborns.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 24 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

May 2029

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

Up to 12 hours

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: * 1/Neonates born at or after 36 weeks' gestation, treated by therapeutic servo-controlled hypothermia for neonatal hypoxic ischemic encephalopathy. Therapeutic hypothermia should be decided according to French national guidelines. * 2/ Social security coverage * 3/ Informed consent of one of the two holders of parental authority. Exclusion Criteria: * 1/ Chromosomal aberrations and major malformations evidenced after birth * 2/ Decision for "comfort care only" before study drug administration, * 3/ Uncontrolled hemorrhagic syndrome, * 4/ Severe hemodynamic failure at initiation, requiring at least two therapies (including either volume expansion, hydrocortisone or inotropes) * 5/ Known hypersensitivity to the active substance or to any of the excipients * 6/ Concomitant administration of nitrates or nitric oxide donors, Inhaled Nitric Oxide, other PDE5 inhibitors, inhibitors of CYP3A4 * 7/ Participation in another interventional study

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Unité de Recherche Clinique, Entrepôts de données et Pharmacologie GHU Paris Centre

    Paris, 75005, France

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