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Can a bedside ultrasound reveal hidden stomach contents before C-Section?

NCT ID NCT07816705

Diagnosis Sponsor: Gaziantep City Hospital Source: ClinicalTrials.gov ↗

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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.
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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 Results may not be published yet.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)

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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
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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Sep 14, 2026 · Last updated Sep 15, 2026 · Updated 1 time

Summary

Researchers at Gaziantep City Hospital are using bedside ultrasound to measure stomach volume in pregnant women right before a scheduled cesarean section. They compare women who have gestational diabetes with those who do not, to see whether diabetes affects how much food or fluid remains in the stomach after standard fasting. The study enrolls 54 women at 36 weeks of pregnancy or later. The goal is to gather objective data that could help anesthesiologists better assess the risk of stomach contents entering the lungs during surgery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
bedside gastric ultrasound
What this could lead to
If ultrasound shows that women with gestational diabetes have more stomach contents after standard fasting, this could change how anesthesiologists prepare these patients for surgery.
What could go wrong
This is a small observational study of 54 women at one hospital, so the results may not apply broadly. Ultrasound estimates of stomach volume can vary between operators and may not perfectly reflect aspiration risk.

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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.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Oct 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

PREGNANT WOMEN AGED 18-65 YEARS WITH A SINGLETON PREGNANCY, GESTATIONAL AGE OF 36 WEEKS OR MORE.

Ages

18 to 65 years

Sex

Female participants only

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: * PREGNANT WOMEN AGED 18-65 YEARS WITH A SINGLETON PREGNANCY, * GESTATIONAL AGE OF 36 WEEKS OR MORE, * ASA PHYSICAL STATUS CLASSIFICATION OF II-III WILL BE INCLUDED IN THE STUDY. * PARTICIPANTS WILL BE SELECTED FROM PATIENTS SCHEDULED FOR ELECTIVE CESAREAN SECTION WHO HAVE BEEN INFORMED ABOUT THE OBJECTIVES AND PROCEDURES OF THE STUDY AND WHO SIGN THE INFORMED CONSENT FORM. Exclusion Criteria: * EMERGENCY CESAREAN SECTION CASES. * MULTIPLE PREGNANCIES. * PATIENTS WITH GASTROINTESTINAL DISEASES, INCLUDING SYMPTOMATIC OR TREATMENT-REQUIRING GASTROESOPHAGEAL REFLUX DISEASE, PEPTIC ULCER DISEASE, ACTIVE SYMPTOMATIC GASTRITIS, A HISTORY OF DIABETIC GASTROPARESIS, INFLAMMATORY BOWEL DISEASES (CROHN'S DISEASE OR ULCERATIVE COLITIS), OR A HISTORY OF GASTROINTESTINAL SURGERY, PARTICULARLY GASTRIC OR ESOPHAGEAL SURGERY. * PATIENTS WITH SYSTEMIC DISEASES THAT MAY AFFECT GASTRIC MOTILITY, INCLUDING TYPE 1 OR TYPE 2 DIABETES MELLITUS (EXCLUDING GDM), UNCONTROLLED HYPOTHYROIDISM OR HYPERTHYROIDISM, NEUROLOGICAL DISEASES (E.G., PARKINSON'S DISEASE, MULTIPLE SCLEROSIS, OR AUTONOMIC NEUROPATHY), OR CONNECTIVE TISSUE DISEASES (E.G., SCLERODERMA). * PATIENTS WITH SEVERE SYSTEMIC COMORBIDITIES, INCLUDING ASA PHYSICAL STATUS CLASSIFICATION IV OR HIGHER, ADVANCED CARDIAC DISEASE (E.G., NYHA CLASS III-IV HEART FAILURE), ADVANCED RESPIRATORY SYSTEM DISEASE (E.G., SEVERE CHRONIC OBSTRUCTIVE PULMONARY DISEASE OR RESTRICTIVE LUNG DISEASE), RENAL FAILURE (STAGE 4-5 CHRONIC KIDNEY DISEASE), OR HEPATIC FAILURE (CHILD-PUGH CLASS B-C). * PATIENTS USING MEDICATIONS THAT MAY AFFECT GASTRIC MOTILITY, INCLUDING PROKINETIC AGENTS, ANTICHOLINERGIC DRUGS, OR OPIOIDS. * PATIENTS WHO REFUSE TO PARTICIPATE IN THE STUDY OR DO NOT SIGN THE INFORMED CONSENT FORM.

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Conditions

The condition(s) this trial relates to.

gestational diabetes

As listed by the trial registrant

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

Gestational diabetes mellitus (GDM) Obstetric anesthesia

How to take part

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