Gastric POCUS Clear Liquids

NCT07214909 | Completed

• 1 other identifier: STUDY00000214
• Study Type: interventional
• Target: 70
• Locations: 1 country
• Sites: 1

Brief Summary

To determine the gastric emptying time for clear liquids at different volumes in the adult population, for use in determining anesthesia guidelines.

Conditions

Gastric Emptying Time

Keywords

Gastric emptying time

Outcome Measures

Primary Outcomes (1)

• Gastric emptying times of liquids at set volumes.

  Study participants have a baseline ultrasound to confirm if stomach was empty and then have scans every hour after ingesting coffee until stomach was empty (Grade 0) or 4 hours maximum, whichever occurs first.

Study Arms (2)

Coffee

ACTIVE COMPARATOR

Study participants ingested black coffee

Other: Ingesting coffee without creamer

Coffee with creamer

EXPERIMENTAL

Study participants ingested coffee with creamer

Other: Ingesting coffee with creamer

Interventions

Ingesting coffee without creamer OTHER

Ingesting coffee without creamer and evaluating gastric emptying with gastric ultrasound at different time points.

Coffee

Ingesting coffee with creamer OTHER

Ingesting coffee with creamer and evaluating gastric emptying with gastric ultrasound at different time points.

Coffee with creamer

Eligibility Criteria

• Age: 18 Years - 65 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Age 18-65
• Able to provide informed consent and verbally disclose their medical history in English. The study staff will not be accessing the subjects electronic medical record to verify the criteria.

You may not qualify if:

• Daily medications excluding oral contraceptives
• Medical conditions affecting gastric emptying, including diabetes, known gastric condition, prior gastric surgery, or pregnancy
• Inability to tolerate 7 hours of fasting
• Non-empty gastric antrum on baseline ultrasound

Sponsors & Collaborators

• MetroHealth Medical Center: lead

Study Sites (1)

MetroHealthMC

Cleveland, Ohio, 44109, United States

Location

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: INVESTIGATOR
• Masking Details: Individual performing the gastric ultrasound was blinded as to which arm the study participants were in.
• Purpose: OTHER
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Emergency Medicine Physician

Model Details: Once eligibility was established, participants were randomly divided into 2 groups: one group assigned to drink 16 ounces of cold black coffee without creamer and the other group assigned to drink 16 ounces of cold black coffee with two standard creamer pods (0.76 oz) added. Randomization was generated by alternating participants between receiving black coffee or coffee with creamer after they had been consented for the study.

Study Record Dates

• First Submitted: October 2, 2025
• First Posted: October 9, 2025
• Study Start: January 18, 2023
• Primary Completion: December 9, 2024
• Study Completion: December 9, 2024
• Last Updated: October 9, 2025

Record last verified: 2025-10

Data Sharing

• IPD Sharing: Will not share

Locations

US (1)