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New CT scan aims to uncover silent clots from hospital catheters

NCT ID NCT06417541

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study uses a new type of CT scan (photon counting CT) to detect blood clots caused by central venous catheters. Researchers will first scan deceased patients who have a catheter and compare the results to an autopsy. Then they will scan living patients with a catheter to see how common hidden clots are. The goal is to find a better way to diagnose these clots without invasive procedures.

What this could mean

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

Active substance
Photon counting CT scan
What this could lead to
If successful, this could provide a reliable, non-invasive way to detect hidden catheter-related blood clots in living patients.
What could go wrong
This is an early diagnostic study with only 75 participants. The CT method may not prove accurate enough for routine use, and results from deceased patients may not fully apply to living ones.

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 75 people

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

Started

Jan 2025

Expected to finish

Jun 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

Substudy 1: Diseased patients with an indwelling central venous catheter and a clinical indication for autopsy Substudy 2: Living patients with an indwelling central venous catheter who are referred to a CT scan without iv contrast

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.

Substudy 1 Inclusion Criteria: * Diseased patients with an indwelling central venous catheter and a clinical indication for autopsy * Informed and signed consent from next of kind Exclusion Criteria: * None Substudy 2 Inclusion Criteria * Living patients with an indwelling central venous catheter who are referred to a CT scan without iv contrast * Informed and signed consent from the patient Exclusion Criteria \- GFR \<15 mL/min/1.73 m2

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Conditions

The condition(s) this trial relates to.

thrombotic disease Upper Extremity Deep Vein Thrombosis

As listed by the trial registrant

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

Central venous catheter thrombosis

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

  • Intensive and Perioperative Care. Skåne University Hospital. Lund

    RECRUITING

    Lund, Skåne County, 22185, Sweden