Could a glass of water replace nasty prep drinks for Crohn's MRI?

NCT ID NCT06690632

Recruiting now Knowledge-focused Sponsor: University Hospital, Toulouse Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether drinking 1.5 liters of water before an MRI scan can give doctors clear images of the small bowel in people with Crohn's disease, compared to the standard polyethylene glycol (PEG) prep. About 194 participants will be randomly assigned to water or PEG, and researchers will rate bowel distension quality and patient comfort. If water works well, it could make MRI prep much easier for patients.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: water preparation
What this could lead to: If water works as well as PEG, it could simplify bowel preparation for MRI scans in Crohn's patients, making the process more comfortable and accessible.
What could go wrong: This is a small, early-stage trial focused on imaging quality, not treatment. Water may not provide adequate bowel distension, and results may not change clinical practice.

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Conditions

The condition(s) this trial relates to.

Crohn disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CROHN DISEASE (CD)

Contacts and locations

Locations

CHU Toulouse
RECRUITING

Toulouse, France

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