Zofran may ease nasty bowel prep for children needing colonoscopy
NCT ID NCT05439772
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This pilot study tested whether giving ondansetron (Zofran) before drinking bowel-cleansing liquid helps children have a cleaner colon and feel less sick. 41 kids aged 2 to 20 took either ondansetron or a placebo before their colonoscopy. The study measured bowel cleanliness and symptoms like pain, bloating, nausea, and vomiting.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ondansetron (Zofran)
- What this could lead to
- If it works, ondansetron could make bowel preparation for colonoscopy more comfortable for children by reducing nausea and vomiting.
- What could go wrong
- This is a small pilot study with only 41 participants, so results may not apply to all children. Ondansetron can rarely cause heart rhythm problems in those with certain conditions.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
-
41 people
The number who actually took part.
- Started
-
Jan 2021
- Finished
-
Jul 2023
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
2 to 20 years
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age \>2, \<20 * clinically indicated for a colonoscopy Exclusion Criteria: * known arrhythmia or long QT
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
SUNY Downstate University Hospital of Brooklyn
Brooklyn, New York, 11203, United States
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