Study Comparing the Quality of Colon Cleanliness With Prepackaged LRD (Low-residue Diet) vs. Guided (POG).
Starting soon · Not applicable
Conditions studied: Colorectal Cancer Prevention, Colorectal Cancer (Diagnosis), Colorectal Adenocarcinoma
In brief
Low-residue diet (LRD) in patient improves the quality of the colon cleanliness and thus the adenoma detection rate (ADR). This is a key criterion in colonoscopy screening for colorectal cancer (CRC). The benefit of an LRD lasting more than 24 hours before colonoscopy has not been demonstrated compared to a 24-hour LRD. Few studies have evaluated the benefit of a prepackaged 24-hour LRD compared to simply receiving oral and written LRD instructions during a consultation. The aim of the study is to evaluate the usefulness of a prepackaged LRD (Colobox®) compared to simple LRD instructions on colon cleanliness (Boston score) in patients examined by endoscopy.
Key facts
- Study ID
- NCT07361575
- Run by
- Clinique Paris-Bercy
- People needed
- 230
- Starts
- 2026-01-30
- Expected to finish
- 2026-11-30
- Last updated by the study team
- 2026-02-17
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Patient of one of the investigators for total colonoscopy (no prior colonic surgery);
- Patient aged 18 years or older;
- Patient classified as ASA 1, ASA 2, or ASA 3;
- Not participating in any other current clinical trial;
- Free, informed, and signed consent;
- Patient affiliated with or a beneficiary of a social security scheme, according to Article L.1124-1 of the French Public Health Code;
You may not qualify if…
- Patient taking major psychotropic medications;
- Patient with uncontrolled diabetes;
- Patient with coagulation abnormalities preventing polypectomy: PT <50%, Platelets <50,000/mm³, current effective anticoagulation therapy (clopidogrel, prasugrel, or ticagrelor);
- Patient referred for removal of a known polyp;
- Chronic inflammatory bowel disease;
- Known colonic stenosis;
- Diverticulitis of less than 6 weeks duration;
- Pregnant, parturient, or breastfeeding woman;
- Patient deprived of liberty by administrative or judicial order, or under guardianship or limited legal protection;
- Patient unable to understand the objectives and constraints of the study.
Where it is running
- Clinique Paris Bercy — Charenton-le-Pont, France
Full record on ClinicalTrials.gov
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