Pre-Surgery diet could shrink liver and boost safety for obesity patients

NCT ID NCT04942093

Recruiting now Symptom relief Sponsor: University Hospital, Rouen Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at whether a 4-week low-calorie, high-protein diet before bariatric surgery is safe and well-tolerated. Researchers want to see if it reduces liver fat and helps surgeons operate more easily. About 200 people with severe obesity will be split into two groups: one follows the diet, the other does not. The main focus is on side effects like low blood counts, vitamin deficiency, or muscle weakness.

What this could mean

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

Active substance: low-calorie, high-protein diet
What this could lead to: If successful, this diet could become a standard short-term preparation before obesity surgery, making the procedure safer and easier for surgeons.
What could go wrong: This is a small, early-stage study focused on safety and tolerance, not on long-term weight loss. The diet may cause side effects like low blood counts or muscle weakness.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Obesity, Abdominal

As listed by the trial registrant

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

BARIATRIC SURGERY CANDIDATE DIET, HEALTHY OBESITY, VISCERAL

Contacts and locations

Locations

CHU de ROUEN
RECRUITING

Rouen, 76 000, France
Ch Dieppe
RECRUITING

Dieppe, France
HPE
RECRUITING

Le Havre, France

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