According to the standard view of informed consent, a prospective subject's consent to participate in a research study is invalid if the individual fails to comprehend the information about the study standardly disclosed to him. I argue that this involves three mistakes. First, the standard view confuses an ethical aspiration with a minimum ethical standard. Second, it assigns the entire responsibility for producing comprehension in study participants to the investigators. Most importantly, the standard view requires the termination of many otherwise (...) perfectly ethical research studies. This last conclusion follows from appreciating a pervasive phenomenon that is known as the "therapeutic misconception." I argue that a prospective subject's consent to participate in research can be perfectly valid even if he or she does not comprehend the information that investigators are required to disclose. Furthermore, I explain that this alternative view does not in the least compromise the vital goal of ensuring the protection of subjects in research. (shrink)

Background: Informed consent in clinical research is mandated throughout the world. Both patient subjects and investigators are required to understand and accept the distinction between research and treatment.Aim: To document the extent and to identify factors associated with therapeutic misconception in a population of patient subjects or parent proxies recruited from a variety of multicentre trials .Patients and methods: The study comprised two phases: the development of a questionnaire to assess the quality of informed consent and a survey of patient (...) subjects based on this questionnaire.Results: A total of 303 patient subjects or parent proxies were contacted and 279 questionnaires were analysed. The median age was 49.5 years, sex ratio was 1 and 61% of respondents were professionally active. Overall memorisation of the oral or written communication of informed consent was good , and satisfaction with the process was around 70%. Therapeutic misconception was present in 70% of respondents, who expected to receive better care and ignored the consequence of randomisation and treatment comparisons. This was positively associated with the acuteness and severity of the disease.Conclusion: The authors suggest that the risk of therapeutic misconception be specifically addressed in consent forms as an educational tool for both patients and investigators. (shrink)