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Could lying on your stomach ease a deadly sickle cell complication?

NCT ID NCT06698120

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether awake prone positioning (lying on the stomach while awake) can help sickle cell patients with severe acute chest syndrome in the ICU. The approach aims to improve oxygen levels and breathing by evening out air flow in the lungs. Fifteen adults will be enrolled to see if the procedure is safe and effective.

What this could mean

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

Active substance
awake prone positioning (a procedure where patients lie on their stomach while awake to help breathing)
What this could lead to
If it works, this could offer a simple, drug-free way to improve oxygen levels and reduce breathing effort during acute chest syndrome.
What could go wrong
This is a very small early study with only 15 participants, so results may not apply widely. The procedure may be uncomfortable or poorly tolerated.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 15 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Aug 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

18 years and older

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: * Age \>18 years * Major sickle cell anemia (SS, SC, Sβ) * Admission in intensive care unit for ACS * Registered in the French social insurance regime. * Written, informed consent Exclusion Criteria: * Pregnant or breastfeeding women * Immediate need for intubation * Impaired vigilance status (Glasgow scale score \< 12) * Pneumothorax * Haemodynamically unstable * Thoracic trauma admission * Severely obese with body-mass index higher than 40 kg/m² * EIT contraindication: pacemaker, automatic implantable defibrillators, skin lesions facing the EIT belt, unstable rachis fracture or medullary lesions

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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

  • Service de Médecine Intensive Réanimation TENON

    Paris, 75020, France

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