This article presents the results of a qualitative study on the ethical aspects of inclusion practice for radiotherapy patients taking part in clinical research. The study focused on the standards and values of this process. Patients and physicians were interviewed about their views and experiences. Analysis of these interviews showed that candidate research participants need better protection from unwanted factors that could influence their choice about participation. Researchers need proper education about regulation, codes and directives in the field of research ethics, and they should be aware of the underlying ethical concepts of these regulations. A sound institutional ethics policy is necessary in order to guide medical staff in decisions about the inclusion of patients in trials.
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