NCT06212817Completed
Dietary Fiber Before Colorectal Cancer Surgery
FiberUP in Clinical Practice: Increasing Preoperative Dietary Fiber Intake in Colorectal Cancer Patients.
Source: ClinicalTrials.gov · Last updated 31 Aug 2026
Brief summary (registry, in English)
The aim of this randomized controlled trial is to investigate the feasibility of increasing preoperative dietary fiber intake in individuals with colorectal cancer who will undergo surgery. This will be done using 1) digital personalized dietary advice or 2) a dried vegetable product compared to 3) habitual diet (control).
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 54 (actual)
- First submitted
- 5 Dec 2023
- Start date
- 29 Apr 2024
- Primary completion date
- 18 Aug 2026
- Lead sponsor
- Wageningen University
- Diseases
- Colorectal cancer
- NCT number
- NCT06212817
What you commit to
- Study type: Interventional
- Participants enrolled: 54
- From 29 Apr 2024 to the primary completion date, 18 Aug 2026
- 3 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Previously have had a large abdominal resection, excluding appendectomy and cholecystectomy;
- Currently using fiber supplements, prebiotics and/or probiotics and unwilling to stop using these for the duration of the intervention;
Other illness
- Diagnosed with Crohn's disease, Ulcerative Colitis, Celiac Disease;
- Known allergic reactions to plants from the Asteraceae (Compositae) family (e.g., lettuce, daisies, sunflowers, artichokes, sage, tarragon, chamomile, chicory etc.);
- Dementia or other cognitive disabilities that makes it impossible to fill out questionnaires correctly;
Other
- Currently having a stoma;
- Currently following a strict diet and unwilling or unable to change (e.g., gluten free or ketogenic diet);
- Having a habitual dietary fiber intake \>30 g/day for women and \>40 g/day for men, measured with a food frequency questionnaire;
- Illiteracy (inability to read and understand Dutch).
Who the study is looking for
- Age ≥18 years;
- Being diagnosed with CRC and planned to undergo elective CRC resection;
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (3)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Meander Medisch Centrum Coordinator of this site? Confirm its status | Amersfoort | Netherlands | Unknown status |
| Rijnstate Coordinator of this site? Confirm its status | Arnhem | Netherlands | Unknown status |
| Ziekenhuis Gelderse Vallei Coordinator of this site? Confirm its status | Ede | Netherlands | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.