Cancer types
  • Urology
Title of study
The impact of the implementation of a decision aid tool for prostate cancer patients on the decision making process
Version Number
Approval Date 
3.2, 20 January 2018
Short Title
ProDecA impact
Study site
Principle Investigator
Prof. Dr. D. De Ruysscher
Investigator Maastro
B. Vanneste ; A. Ankelokar
Erasmus MC, Dept. of Radiotherapy
Trial registry

To establish the impact of the decision aid tool on knowledge, decisional conflict and the shared decision making process, as well as to evaluate the extent physicians involve patients in decision making

Primary Endpoint 

Decisional conflict

Secondary Endpoints 

Risk perceptions, comfort with decisions; more patient participation and empowerment, and the degree physicians involve patients in shared decision making