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More info
You can access this
clinical trial
if you have
Colorectal Neoplasms, Hereditary Nonpolyposis
and you are
between 18 and 70
years old
The phase for this study is not defined.
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The purpose

The aim of this study is to improve clinicians' calculation, interpretation and communication of familial colorectal cancer risk, as well as patients' risk perception and uptake of referral for genetic counselling or for surveillance by colonoscopy for their relatives at risk.

Provided treatments

  • Other: Implementation aids
  • Other: Control
Tris trial is registered with FDA with number: NCT00929097. The sponsor of the trial is ZonMw: The Netherlands Organisation for Health Research and Development and it is looking for 300 volunteers for the current phase.
Official trial title:
Implementation of Guidelines on Hereditary or Familial Colorectal Cancer Risk Calculation and Risk Communication