MedTrace Logo

GLP1 Fasting Status and Gastric Retention Using Gastric Ultrasound

NCT07251803 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 150

Last updated 2026-02-25

No results posted yet for this study

Summary

This study will enroll patients 18 years and older who are taking a GLP-1/GIP medication and 1) are scheduled for elective surgery and meet ASA fasting guidelines (nothing by mouth for at least 8 hours prior), or 2) scheduled elective colonoscopy and have been on a clear liquid diet for at least 24 hours prior. Participants will have a gastric ultrasound prior to surgery to measure any retained gastric contents. The purpose of this study is to determine if people taking GLP-1 receptor agonists and who fast normally are at an equal risk for having retained gastric contents after appropriately fasting for surgery, compared to patients who are on a liquid only diet for 24 hours prior to surgery.

Conditions

  • Gastric Retention

Interventions

DIAGNOSTIC_TEST

Gastric Ultrasound

All participants will undergo a gastric ultrasound in the preoperative area prior to their scheduled procedure. The patient will be placed in supine position. A curvilinear ultrasound probe will be placed on the sagittal plane below the xiphoid process. The probe will then slide along the costal margin to the right until the gastric antrum is identified. At this point, the ultrasound image will be obtained, and appropriate measurements will be taken. The patient will be placed in the right lateral decubitus position (RLD), and the above procedure will be repeated. The measurement of gastric antral cross-sectional area while in the RLD position will be recorded and used to calculate the gastric volume.

Sponsors & Collaborators

  • Medical University of South Carolina

    lead OTHER

Principal Investigators

  • Christopher Wolla, M.D. · Medical University of South Carolina

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-02-03
Primary Completion
2026-12-31
Completion
2026-12-31

Countries

  • United States

Study Locations

More Related Trials

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07251803 on ClinicalTrials.gov