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Hidden danger: clots linger after catheters removed in ICU

NCT ID NCT07473284

Knowledge-focused Sponsor: Masarykova Nemocnice v Usti nad Labem, Krajska Zdravotni a.s. Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study watches 300 ICU patients to see how often blood clots caused by catheters remain in the vein after the catheter is taken out. Researchers will track risk factors and whether these clots lead to serious issues like lung clots or long-term vein damage. No new treatments are tested—only careful observation and ultrasound checks.

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 300 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Jan 2028

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 clinical study will include all adult patients with an indwelling central venous catheter hospitalized at the Department of Anesthesiology, Perioperative and Intensive Care Medicine of the Masaryk Hospital in Ústí nad Labem, in whom catheter removal is planned regardless of the cause, and who agreed to participate in the clinical study.

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 over 18 years * ICU hospitalization * signed informed consent * an indwelling central venous catheter planned for extraction Exclusion Criteria: * age under 18 years * local pathology precluding ultrasound examination * disagreement with participation in the study

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Conditions

The condition(s) this trial relates to.

disease post-thrombotic syndrome Postthrombotic Syndrome pulmonary embolism

As listed by the trial registrant

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

Catheter thrombosis Post-thrombotic syndrome Pulmonary embolism (diagnosis)

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.