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What do our patients understand about their trial participation? Assessing patients' understanding of their informed consent consultation about randomised clinical trials
  1. C Behrendt1,
  2. T Gölz2,
  3. C Roesler3,
  4. H Bertz2,
  5. A Wünsch1
  1. 1Department of Psychosomatic Medicine and Psychotherapy, University Hospital Freiburg, Freiburg, Germany
  2. 2Department of Internal Medicine I (Hematology and Oncology) Hematology and Oncology, University Hospital Freiburg, Freiburg, Germany
  3. 3Catholic University of Applied Sciences, Freiburg, Germany
  1. Correspondence to Alexander Wünsch, Psychooncological Service of Department of Psychosomatic Medicine and Psychotherapy, University Hospital Freiburg, Hauptstr. 8, D-79104 Freiburg, Germany; alexander.wuensch{at}uniklinik-freiburg.de

Abstract

Background Ethically, informed consent regarding randomised controlled trials (RCTs) should be understandable to patients. The patients can then give free consent or decline to participate in a RCT. Little is known about what patients really understand in consultations about RCTs.

Methods Cancer patients who were asked to participate in a randomised trial were surveyed using a semi-standardised interview developed by the authors. The interview addresses understanding, satisfaction and needs of the patients. The sample included eight patients who participated in a trial and two who declined. The data were analysed on the basis of Mayring's qualitative analysis.

Results Patients' understanding of informed consent was less developed than anticipated, especially concerning key elements such as randomisation, content and procedure of RCTs. Analysing the result about satisfaction of the patients, most of the patients described their consultations as hectic and without advance notice. Health limitations due to cancer played a decisive role. However, most of the patients perceived their physician to be sympathetic. Analysing the needs of patients, they ask for a clear informed consent consultation with enough time and adequate advance notice.

Conclusion This study fills an important empirical research gap of what is ethically demanded in an RCT consultation and what is really understood by patients. The qualitative approach enabled us to obtain new results about cancer patients' understanding of informed consent, to clarify patients' needs and to develop new ideas to optimise the informed consent.

  • Informed consent
  • patient physician communication
  • randomised controlled trials

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Footnotes

  • CB was the principal investigator of the study. CB, AW and CR developed the interview guideline. CB held all interviews, transcribed and analysed them with feedback from AW and CR. HB provided medical background information during the study design process. TG gave important support in representing the results. All authors participated in the writing process of this manuscript and approved the final version.

  • Competing interests None.

  • Ethics approval This study was conducted with the approval. Ethics Committee of the University Hospital Freiburg.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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