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Heart risk during leg surgery: new study uses blood test to spot damage early

NCT ID NCT07241572

Knowledge-focused Sponsor: Ankara City Hospital Bilkent 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is checking if a blood test called high-sensitive troponin I can detect heart damage in people having leg surgery with a nerve block. Researchers will measure troponin levels during surgery and at 24 and 48 hours after. The goal is to see if this test can help predict heart problems in these patients.

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 identify patients at risk of heart damage during leg surgery, leading to better monitoring and prevention.
What could go wrong
This is a small observational study, not a treatment trial. It only measures a biomarker, so it cannot prove that any intervention reduces heart damage.

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 54 people

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

Started

Sep 2025

Expected to finish

Jan 2026

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

Patients undergoing below-knee lower extremity surgery under peripheral nerve blockade

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Patients over 18 years of age * Patients undergoing below-knee lower extremity surgery * Patients with ASA classifications I, II, III, and IV * Patients who have consented before the procedure * Patients who are literate and able to give consent Exclusion Criteria: * Patients in whom regional anesthesia is contraindicated * Patients who refuse to participate in the study

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Conditions

The condition(s) this trial relates to.

Diabetes Complications myocardial ischemia

As listed by the trial registrant

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

Diabetes complication Myocardial ischemia

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

  • Ankara Bilkent City Hospital

    RECRUITING

    Ankara, Turkey (Türkiye)

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