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Could a greener anesthesia method be safer for your heart?

NCT ID NCT07571980

Knowledge-focused Sponsor: Istanbul University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at 128 adults having gallbladder surgery to see if using a low-flow (more eco-friendly) versus normal-flow sevoflurane anesthesia changes heart electrical signals linked to dangerous rhythms. Researchers will measure these signals before, during, and after surgery. The goal is to understand if the amount of fresh gas flow affects heart stability, 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.

Active substance
sevoflurane
What this could lead to
If it works, this could help anesthesiologists choose safer anesthesia methods to reduce heart rhythm risks during surgery.
What could go wrong
This is a small, early observational study, not a treatment trial. Results may not apply to all patients or surgeries, and it only measures electrical changes, not actual heart problems.

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 128 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Aug 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

The study population consists of adult patients (aged 18 years and older) scheduled for elective or semi-elective laparoscopic cholecystectomy at a tertiary care training and research hospital.

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 aged 18 years and older. * Patients scheduled for elective or semi-elective laparoscopic cholecystectomy. * Patients who provide written voluntary informed consent. * Patients with a predicted surgical duration between 60 and 180 minutes. Exclusion Criteria: * Patients with heart failure. * Patients with valvular heart disease or pathology. * Patients with hemodynamic instability. * Patients requiring blood transfusion. * Patients with a preoperative corrected QT (QTc) interval \> 450 ms. * Patients with a known history of cardiac arrhythmia. * Patients scheduled for emergency surgery. * Patients with a known risk or family history of malignant hyperthermia. * Use of medications associated with QT interval prolongation (e.g., ketamine, 5-HT3 antagonists, quetiapine, etc.).

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Conditions

The condition(s) this trial relates to.

Arrhythmias, Cardiac ventricular arrhythmias due to cardiac ryanodine receptor calcium release deficiency syndrome

As listed by the trial registrant

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

Anesthesia Cardiac arrhythmia

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.