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Can lung pressure predict treatment needs in collapsed lung?

NCT ID NCT04630301

Knowledge-focused Sponsor: Johns Hopkins University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 2 times

Summary

This study measured the pressure inside the chest in 37 adults with a collapsed lung (pneumothorax) who needed a chest tube. Researchers wanted to see if these pressure readings could help predict who would need additional treatments like surgery or a valve. The study was observational, meaning no new treatment was tested.

What this could mean

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

What this could lead to
If successful, this could help doctors better predict which patients with a collapsed lung need more advanced treatments like surgery.
What could go wrong
This is a small, early observational study, not a treatment trial. The pressure measurements may not reliably predict outcomes in larger or different patient groups.

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.

Participants

37 people

The number who actually took part.

Started

Feb 2021

Finished

Jul 2025

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.

Who is studied

Patients aged 18 or older admitted to the Johns Hopkins Hospital with clinical or radiographic evidence of new pneumothorax who are referred to Interventional Pulmonology for needle aspiration or tube thoracostomy.

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: * patients aged 18 or older admitted to the Johns Hopkins Hospital with clinical or radiographic evidence of new pneumothorax who are referred to Interventional Pulmonology for needle aspiration or tube thoracostomy. TP will be defined as a pneumothorax that results in mean arterial pressure \<65 or systolic BP \< 90. Exclusion Criteria: * bilateral pneumothorax

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Conditions

The condition(s) this trial relates to.

pneumothorax spontaneous tension pneumothorax

As listed by the trial registrant

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

Pneumothorax Tension pneumothorax

Contacts and locations

Locations

  • Albany Medical Center

    Albany, New York, 12208, United States

  • Dartmouth Hitchcock Medical Center

    Lebanon, New Hampshire, 03766, United States

  • Johns Hopkins Hospital

    Baltimore, Maryland, 21287, United States

  • University of Michigan Medical School

    Ann Arbor, Michigan, 48109, United States

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