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New study tracks clotting risks after major aortic surgery

NCT ID NCT06432387

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study watches how blood clotting changes in 58 people after complex surgery to repair a thoraco-abdominal aortic aneurysm. Researchers will check for complications like kidney injury, heart problems, and clotting issues before and after surgery. The goal is to better understand these risks, not to test a new treatment.

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 study could help doctors better predict and manage bleeding or clotting problems after complex aortic surgery.
What could go wrong
This is a small observational study, not a treatment trial. It only looks at patterns, so it won't directly improve care or outcomes.

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 58 people

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

Started

Dec 2024

Expected to finish

Jul 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

All patients will be treated by the same medical team in UHL according to the European Society for Vascular Surgery (ESVS) guidelines. Preoperatively patients will be treated with aspirin 100 mg once daily for at least 5 days. Postoperatively in the absence of bleeding patients will receive aspirin 100 mg and in the absence of neurological dysfunction due to spine ischemia they will receive clopidogrel 150 mg and from the next day dual antiplatelet therapy (aspirin 100 mg and clopidogrel 75 mg). If the patient was treated with anticoagulant agents this will be discontinued preoperative according to ACCP guidelines and it will be restarted on the 1st or 2nd postoperative day based on hemostasis. In this case patients will be treated with aspirin 100 mg once daily five days preoperatively and aspirin will also be continued postoperatively.

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: * Consecutive patients undergoing complex thoraco-abdominal aortic aneurysm repair in University Hospital of Larissa, after informed consent will be included. Exclusion Criteria: * Refuse to participate * Prior surgery within 3 months * ASA PS \> 3 * Known medical history of thrombophilia or functional platelet dysfunction

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Conditions

The condition(s) this trial relates to.

aortic aneurysm coagulation protein disease

As listed by the trial registrant

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

Coagulation factors alterations Platelet activation Thoraco-abdominal aortic aneurysm repair

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

  • Larissa University Hospital

    RECRUITING

    Larissa, Thessaly, 41110, Greece

  • University of Thessaly

    ACTIVE_NOT_RECRUITING

    Larissa, 41335, Greece

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