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ClinicalTrials.gov public records Last synced Jul 22, 2026, 11:53 AM EDT

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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
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Conditions
Anesthesia, Sedation, Monitored Anesthesia Care, Procedure, Surgery, Day, Surgery, Surgery Scheduled, Fasting Before Operation, Aspiration; Gastric Contents, Anesthesia
Interventions
Preoperative fasting
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
1,200,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Diabetes, Gastric Content Aspiration, Glucagon-like Peptide 1, GLP-1
Interventions
Gastric Ultrasound
Diagnostic Test
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Postoperative Ileus, Postoperative Nausea, Postoperative Complications, Postoperative Nausea and Vomiting, Postoperative Vomiting, Aspiration Vomitus
Interventions
Bedside gastric ultrasound
Diagnostic Test
Lead sponsor
Eric Schwenk
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Recruiting No phase listed Observational Accepts healthy volunteers

Residual Gastric Content and GLP-1

NCT06814080
Conditions
Pre-op Gastric Emptying
Interventions
Not listed
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Little Rock, Arkansas
Completed Not applicable Interventional Results available

Aspiration of Residual Gastric Contents

NCT01863043
Conditions
Infant, Premature, Nutrition, Enteral
Interventions
No aspiration of gastric contents, Routine aspiration of gastric contents
Procedure
Lead sponsor
University of Florida
Other
Eligibility
Up to 3 Days
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Pulmonary Aspiration
Interventions
GLP-1 RA users with prolonged fasting instructions, GLP-1 RA users with standard NPO instructions
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Recruiting No phase listed Observational Accepts healthy volunteers

Gastric Assessment of Pediatric Patients Undergoing Surgery

NCT05674643
Conditions
Fasting, Delayed Gastric Emptying, Aspiration Pneumonia, Respiratory Aspiration of Gastric Content
Interventions
Gastric Ultrasound Baseline Scans, Acetaminophen Absorption Test (AAT), Gastric Ultrasound Serial Scans
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Gastric Ultrasound, Glucagon-like Peptide 1, Point of Care Ultrasound
Interventions
Gastric Ultrasound Exam
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 99 Years
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Jacksonville, Florida • Albany, New York + 2 more
Conditions
Gastric Content Aspiration
Interventions
Esophagogastroduodenoscopy
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Active, not recruiting Not applicable Interventional

Sonographic Assessment of Cricoid Pressure

NCT04190524
Conditions
Aspiration; Gastric Contents, Anesthesia, Intubation Complication
Interventions
Application of cricoid pressure, Application of Left lateral paratracheal pressure
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 17 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Fasting, Gastric Emptying
Interventions
Clear oral fluid
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Obesity, Overweight and/or Obesity, Overweight, Drug Interaction
Interventions
PF-08653944, Acetaminophen
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Respiratory Aspiration of Gastric Contents
Interventions
Interview questionnaire, Gastric ultrasound exam
Behavioral · Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Premature Infant
Interventions
No gastric residual evaluation
Other
Lead sponsor
University of Florida
Other
Eligibility
Up to 3 Days
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Upper GI Bleeding, Point of Care Ultrasound, Upper Endoscopy, Gastric Content, GI Bleed
Interventions
Point of Care Ultrasound
Diagnostic Test
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Fasting, Pediatric ALL
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 17 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Gastric Ultrasound, Point of Care Ultrasound, Cannabis Use
Interventions
Gastric Ultrasound Exam
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Effect of Glucagon-like Peptide-1 Receptor Agonists (GLP-1 RA) on Gastric Emptying

NCT07140289
Conditions
Gastric Emptying, Glucagon-Like Peptide-1 Receptor Agonists, Intermittent Fasting, Intraoperative Complication Due to Anesthesia, Respiratory Aspiration of Gastric Contents
Interventions
Ultrasound of gastric contents
Diagnostic Test
Lead sponsor
Wael Saasouh, MD
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Recruiting Not applicable Interventional Accepts healthy volunteers

Bedside Ultrasound of Gastric Contents in Pediatric Populations

NCT03520374
Conditions
Gastric Contents
Interventions
Ultrasonography
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Stanford, California
Conditions
Gastroesophageal Reflux Disease
Interventions
Questionnaires to evaluate QOL, Questionnaires to evaluate heartburn and quality of life, Questionnaire to evaluate satisfaction with treatment, Questionnaire to evaluate presence or absence of pain
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2050
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Gastroesophageal Reflux
Interventions
externally applied cricoid cartilage pressure
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
20 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Obesity
Interventions
Liraglutide, Oral Semaglutide, Semaglutide
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cypress, California
Active, not recruiting No phase listed Observational

Gastric Ultrasound in Pediatric Trauma Patients

NCT05330351
Conditions
Trauma; Complications, Aspiration
Interventions
Gastric Ultrasound
Diagnostic Test
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
0 Years to 17 Years
Enrollment
40 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

GLP_1 RA Ultrasound Study

NCT06581120
Conditions
Glucagon Like Peptide-1 (GLP-1, Delayed Gastric Emptying, Risk of Aspiration, Diabetes, Morbid Obesity
Interventions
Glucagon-Like Peptide-1 receptor agonists, Point of Care Gastric Ultrasound
Drug · Diagnostic Test
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 25 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio