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Behavioural Intervention

Clear Liquids Before Surgery

N/A
Waitlist Available
Led By George Williams, MD, FASA, FCCM, FCCP
Research Sponsored by The University of Texas Health Science Center, Houston
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Must not have
History of esophageal disease
Known history of difficult airway or planned fiberoptic intubation
Timeline
Screening 3 weeks
Treatment Varies
Follow Up within 48-96 hours of surgery
Awards & highlights
No Placebo-Only Group

Summary

This trial aims to compare the amount of food left in the stomach of patients who drink clear liquids one hour before a procedure, with those who don't eat past midnight. It also wants to see if

Who is the study for?
This trial is for patients with malnutrition who are scheduled for surgery. They must be able to consume clear liquids and follow the study's fasting instructions. People can't join if they have conditions that affect stomach emptying or increase aspiration risk, allergies to anesthesia, or any other issues that might interfere with the study.
What is being tested?
The study is testing whether drinking clear liquids up to one hour before surgery (instead of not eating/drinking past midnight) affects stomach contents at the time of procedure. It also looks at how this change impacts operating room scheduling, patient satisfaction, and post-op recovery including nausea, pain, hunger/thirst levels.
What are the potential side effects?
There may not be direct side effects from consuming clear liquids as tested in this trial; however, potential risks include aspiration during anesthesia if gastric volumes are too high. Post-operative complications will also be monitored.

Eligibility Criteria

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I have had a disease affecting my esophagus.
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I have a known difficult airway or need a special intubation technique.
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I have a history of hiatal hernia.
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I have not had any emergency or unplanned medical procedures.
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I have a history of delayed stomach emptying.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~within 48-96 hours of surgery
This trial's timeline: 3 weeks for screening, Varies for treatment, and within 48-96 hours of surgery for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Secondary study objectives
Overall patient satisfaction as assessed by the Press-Ganey Questionnaire

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Clear Liquids ArmExperimental Treatment1 Intervention
Group II: Standard Of CareActive Control1 Intervention

Find a Location

Who is running the clinical trial?

The University of Texas Health Science Center, HoustonLead Sponsor
957 Previous Clinical Trials
347,707 Total Patients Enrolled
2 Trials studying Malnutrition
400 Patients Enrolled for Malnutrition
George Williams, MD, FASA, FCCM, FCCPPrincipal InvestigatorThe University of Texas Health Science Center, Houston
~78 spots leftby Dec 2025
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