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No-Needle diagnosis: ultrasound may replace risky chest tap for fluid buildup

NCT ID NCT07513909

Diagnosis Sponsor: Assiut 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

Pleural effusion is excess fluid around the lungs, and doctors need to know if it's caused by body-wide issues (like heart failure) or local problems (like infection). The usual test requires a needle to draw fluid, which carries risks. This study will check if a simple chest ultrasound can accurately tell the fluid type without any needles. Researchers will enroll 90 adults and compare ultrasound results to the standard lab test.

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 offer a safer, non-invasive way to diagnose pleural effusion type, reducing the need for needle-based fluid sampling.
What could go wrong
This is a small, early observational study with only 90 participants. Ultrasound may not be accurate enough to replace the standard lab test, and results may not apply to all patients.

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

About 90 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Jun 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.

Who is studied

The study population comprises adult patients (18 years or older) of both sexes presenting with a clinically and radiologically confirmed pleural effusion (unilateral or bilateral). Participants will be recruited from patients admitted to the Chest Medicine Department or referred for imaging at Assiut University Hospital. Eligible participants are those scheduled to undergo diagnostic thoracentesis and ultrasound of the chest as part of their standard clinical diagnostic workup.

Ages

18 years and older

Sex

Anyone

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: * Adult patients aged ≥18 years of either sex * Clinically and radiologically documented pleural effusion (confirmed by chest X-ray and/or thoracic ultrasound) * Patients scheduled for diagnostic or therapeutic thoracentesis as part of their standard clinical care * Ability to provide written informed consent Exclusion Criteria: * Patients with a history of prior pleural interventions, including chemical or surgical pleurodesis or previous chest tube insertion on the affected side * Patients with absolute contraindications to thoracentesis (e.g., uncorrectable coagulopathy, uncooperative patients, or hemodynamic instability) * Poor transthoracic ultrasound window preventing adequate evaluation of the pleural space (e.g., due to severe obesity, extensive subcutaneous emphysema, or chest wall deformities) * Patients with traumatic hemothorax.

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Conditions

The condition(s) this trial relates to.

Hydrothorax Pleural Effusion

As listed by the trial registrant

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

Exudative pleural effusion Pleural effusion Transudative pleural effusion

How to take part

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

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. 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.

More trials for these conditions

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