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Could a new suction technique help comatose patients breathe easier?

NCT ID NCT06508008

Symptom relief Sponsor: Affiliated Hospital of Nantong University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 05, 2026 · Last updated Aug 06, 2026 · Updated 1 time

Summary

This trial tests whether a new method of clearing mucus from the airways—using intermittent suction through a breathing tube—works better than the standard continuous suction method in comatose patients who have had a stroke. About 600 participants will be randomly assigned to one of the two suction techniques. The study measures oxygen levels before and after suctioning, how long the procedure takes, and whether it causes airway bleeding, along with family satisfaction.

What this could mean

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

Active substance
Intermittent negative pressure sputum suction through an oral pharyngeal airway
What this could lead to
If effective, this suction method could become a standard way to clear airways in comatose patients, potentially improving oxygen levels and reducing complications.
What could go wrong
This is a single-center trial, and results may not apply broadly. The procedure carries risks like airway bleeding or discomfort, and it is unclear if it will outperform current methods.

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 900 people

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

Started

Feb 2024

Expected to finish

Aug 2026

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

20 to 90 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: * 1\. Clinical diagnosis of stroke; 2. Clinical diagnosis of comatose; Exclusion Criteria: * 1\. Clinical diagnosis of multiple organ failure; 2. Clinical diagnosis of multiple organ bleeding;

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Conditions

The condition(s) this trial relates to.

ocular motor apraxia, Cogan type stroke disorder

As listed by the trial registrant

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

SPUTUM

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

  • Affiliated Hospital of Nantong University

    RECRUITING

    Nantong, Jiangsu, 226001, China

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