Daily ultrasound spots hidden clots in surgery patients
NCT ID NCT06635551
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will use daily bedside ultrasound to look for blood clots caused by central venous catheters in 100 adults after major surgery. Half the patients had cancer surgery, half had non-cancer surgery. The goal is to learn how often clots form and what factors increase the risk.
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 and prevent catheter-related blood clots after major surgery.
- What could go wrong
- This is an observational study, not a treatment trial. It will not directly improve patient outcomes, and results may not apply to all surgery types.
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
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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
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2024
- Expected to finish
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Feb 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 patient (18-80 years old) * No hematological disease causing hypercoagulability * Not receiving anticoagulant/antifibrinolytic medications at the therapy dose * The vascular structure can be visualized with US * No thrombosis in the US control before catheter placement * The catheter is not inserted for renal replacement therapy Exclusion Criteria: * Presence of renal failure * Pediatric patients * Presence of hematological malignancy * Inadequate US imaging
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Mersin University
RECRUITINGMersin, Yenişehir, 33343, Turkey (Türkiye)
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