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Can ultrasound predict aspiration danger in obese surgery patients?

NCT ID NCT07032207

Knowledge-focused Sponsor: Fatih Sultan Mehmet Training and Research Hospital 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 60 obese adults scheduled for weight-loss surgery. Doctors used an ultrasound before surgery to measure how much food or liquid was still in the stomach, even after fasting. The goal was to see if a higher body mass index (BMI) or longer fasting time was linked to more stomach contents and a higher risk of breathing in stomach fluids during anesthesia. The findings could help create safer fasting guidelines for people with obesity.

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

60 people

The number who actually took part.

Started

Jun 2024

Finished

Apr 2026

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 who will undergo bariatric surgery under general anesthesia in elective conditions

Ages

18 to 65 years

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: * Patients who will undergo bariatric surgery under general anesthesia in elective conditions * Patients in ASA II-III groups, with BMI \> 35 kg/m², and aged between 18-65 years * Patients who have provided informed consent Exclusion Criteria: * Patients under 18 years of age, over 65 years of age, or in ASA IV-V groups * Pregnancy * Patients with upper gastrointestinal (GI) abnormalities such as hiatal hernia and gastric tumors * Patients with a recent history of upper GI bleeding (within the last 12 months), previous stomach and esophagus surgeries, or abnormal anatomy of the upper gastrointestinal tract * Patients using medications that affect gastric motility or other related conditions * Patients with uncontrolled diabetes * Patients who require emergency surgery * Patients with advanced cardiac, renal, pulmonary, or hepatic failure * Patients who refuse to participate and do not provide informed consent

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

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

Body mass index (BMI) Gastric residual volume Gastric ultrasound Obesity

Contacts and locations

Locations

  • Fatih Sultan Mehmet Training and Research Hospital

    Istanbul, Istanbul, 34752, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.