A Study Of Gastric Volume Assessment In Laboring Women With An Epidural After Standardized Beverage
Overview
Tab Title Description
Study type
InterventionalDescribes the nature of a clinical study. Types include:
- Observational study — observes people and measures outcomes without affecting results.
- Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
- Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
Study IDs
Site IRB
- Rochester, Minnesota: 26-004318
About this study
The purpose of this study is to assess the gastric volume in laboring parturients with epidural analgesia using gastric ultrasound at 2 hours after consumption of a standardized beverage containing either predominantly fat, protein or carbohydrates.
Participation eligibility
Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.
Inclusion Criteria:
Female in labor
Singleton pregnancy >= 34 weeks
Willing to participate
Preferred language = English
Epidural labor analgesia
Empty stomach at time of initial baseline ultrasound assessment or upon re-assessment within 4 hours
Exclusion Criteria:
Refusal to participate
< 18 years of age
Obstetrical contraindication to positioning
Uncontrolled pain (non-functioning epidural)
Multiple gestation
Greater than or equal to 6 cm of cervical dilation at the time of enrollment
Prior cesarean or vaginal delivery
History of upper GI or gastric surgery
History of recent meperidine or metoclopramide use
History of diabetes (type 1, type 2, and gestational)
History of gastroparesis
Morbid Obesity cutoff of BMI > 50
Lactose intolerance
ASA Class III or greater
Active nausea and vomiting in the peripartum period after epidural placement.
Inability to consume the total volume of the assigned beverage within 15 minutes
Inability to image stomach
Chronic opioid consumption > 30mg morphine equivalents per day prior to labor
Note: Other protocol defined Inclusion/Exclusion Criteria may apply.
Eligibility last updated 04/15/2026. Questions regarding updates should be directed to the study team contact.
Participating Mayo Clinic locations
Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.
| Mayo Clinic Location |
Status |
|
Rochester, Minn.
Mayo Clinic principal investigator Mark Rollins, M.D., Ph.D. |
Contact us for the latest status |
|
More information
Publications
Publications are currently not available