Actively Recruiting
Dietary Fiber Before Colorectal Cancer Surgery
Led by Wageningen University · Updated on 2025-11-18
54
Participants Needed
3
Research Sites
104 weeks
Total Duration
On this page
Sponsors
W
Wageningen University
Lead Sponsor
G
Gelderse Vallei Hospital
Collaborating Sponsor
AI-Summary
What this Trial Is About
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).
CONDITIONS
Official Title
Dietary Fiber Before Colorectal Cancer Surgery
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Age 65 18 years
- Diagnosed with colorectal cancer and planned to undergo elective colorectal cancer resection
You will not qualify if you...
- Previous major abdominal surgery, excluding appendectomy and cholecystectomy
- Diagnosed with Crohn's disease, Ulcerative Colitis, or Celiac Disease
- Currently have a stoma
- Known allergy to plants from the Asteraceae (Compositae) family (e.g., lettuce, daisies, sunflowers, artichokes, sage, tarragon, chamomile, chicory)
- Currently following a strict diet and unwilling or unable to change it (e.g., gluten free or ketogenic diet)
- Currently using fiber supplements, prebiotics, or probiotics and unwilling to stop during the intervention
- Habitual dietary fiber intake greater than 30 g/day for women and greater than 40 g/day for men
- Dementia or other cognitive disabilities preventing completion of questionnaires
- Illiteracy, unable to read and understand Dutch
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 3 locations
1
Rijnstate
Arnhem, Gelderland, Netherlands
Actively Recruiting
2
Ziekenhuis Gelderse Vallei
Ede, Gelderland, Netherlands
Actively Recruiting
3
Meander Medisch Centrum
Amersfoort, Utrecht, Netherlands
Actively Recruiting
Research Team
N
Niels Klaassen, MSc
CONTACT
D
Dieuwertje EG Kok, PhD
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
PREVENTION
Number of Arms
3
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