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Ultrasound reveals whether a common anesthesia maneuver actually protects Kids' lungs

NCT ID NCT04190524

Knowledge-focused Sponsor: Boston Children's Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 uses ultrasound to check if pressing on the neck (cricoid pressure) during anesthesia prevents stomach contents from entering the lungs in children. Researchers will measure the esophagus before and after pressure in 35 kids aged 0-17. They also test if pressing from the side works better than the standard downward pressure.

What this could mean

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

Active substance
cricoid pressure (manual pressure on the neck)
What this could lead to
If successful, this could improve how doctors prevent stomach contents from entering the lungs during anesthesia in children.
What could go wrong
This is a small, early observational study with only 35 participants, so results may not apply to all children. It does not test a new treatment.

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

35 people

The number who actually took part.

Started

Mar 2020

Expected to finish

Sep 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

Up to 17 years

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: * All patients age 0 - 17 years who are on the OR (operating room) schedule and all patients admitted to the MSICU (Medical Surgical Intensive Care Unit) will be screened for this study. * Patients in the MSICU will only be included if they are sedated as part of their clinical management. Exclusion Criteria: * history of airway or esophageal malformations (e.g. esophageal atresia or trachea-esophageal fistula) or who have had prior surgical procedures involving the airway or esophagus * known difficult airways * patients with tenuous artificial airways as determined by reviewing the CXR (chest x-ray) * patients with abnormal blood flow pattern to the head (e.g. history of right carotid ligation or interruption, known incomplete circle of Willis, known right IJ (internal jugular) venous clots or obstruction * patients with left neck CVLs (Central Venous Line) * patients with compromised skin integrity on neck

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Conditions

The condition(s) this trial relates to.

aspiration pneumonia

As listed by the trial registrant

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

Aspiration; gastric contents, anesthesia Intubation complication

Contacts and locations

Locations

  • Boston Children's Hospital

    Boston, Massachusetts, 02115, United States

More trials for these conditions

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