Colofol - Evaluation of the frequency of a surveillance program
Colofol, participating countries: Denmark, Sweden, Poland, Ireland and Uruguay
Layperson Protocol
Next Colofol meeting
Data Entry
The trial includes bloodtests and CT-scans of the liver and lungs

Welcome to the COLOFOL

COLOFOL is the acronym for:

"A pragmatic study to assess the frequency of surveillance tests after curative resection in patients with stage II and II colorectal cancer - a randomized study"

The purpose of the trial is to evaluate the frequency of a surveillance program including blood-tests and CT-scan of the Liver as well as X-ray of the lungs in a prospective randomized setting.

This is a multicentre randomized trial being conducted in Denmark, Sweden, Poland, Ireland and Uruguay.

The trial has been approved by the Ethical Committees in participating countries and is registered in the Protocol Registration System at under the ID COLOFOL.

On this website you can find:
  • Study protocol
  • Lay-person protocol
  • Patient-information in Danish, Swedish, Polish, English and Dutch
  • Organisation and names of participating centers
  • Instructions for participating centers
  • Registration of departments
  • Randomisation and data-entry
  • Contact details

Since the initial conception the COLOFOL trial has received funding from:

The Nordic Cancer Union, A.P. Møller Foundation, Beckettfoundation, Grosserer Chr. Andersen og hustru bursary, Sigvald og Edith Rasmussens Memorial bursary, Martha Margrethe og Christian Hermansens bursary, Danish Medical Association, The Danish Cancer Society and The Danish Council for Independent Research | Medical Sciences.

Peer Wille-Jørgensen, MD, Dr. Med. Sci., Associate Professor
Chair of the COLOFOL Steering Group