Satisfaction and anxiety are improved with the use of an easy-to-read informed consent document: a randomized multi-group study

Li Liu, MD
University of Pennsylvania Cancer
Last Modified: May 12, 2001

Presenter: P. C. Raich
Affiliation: AMC Cancer Research Center, Denver, CO

Background:
  • Informed consent is a process in which the patient is given all the information needed to decide whether to participate in a clincal trial. The signing of the informed consent document by both the patient and the investigator is the written verification of this process. Readability of most of the consents remains a problem for the US population in which half has reading skills at an 8th grade level or below.
Materials and Methods:
  • 226 patients who were randomly assigned to either standard consent form (13th grade level) or an easy to read form (8th grade level) were evaluated
  • Multiple institution study including 46 sites involved with three clinical trials from the NCCTG, ECOG, and CALGB.
  • Comprehension of the consent, anxiety associated with the process, and satisfaction with the process were all evaluated.
Results:
  • Comprehension of consent content was similar between two groups
  • More satisfaction and decreased anxiety were observed in easy
  • to
  • read group
Authors' Conclusions
  • Easy readability was associated with enhanced satisfaction and reduced anxiety
  • Participation of clinical trials maybe enhanced by patient's satisfaction and less anxiety with informed consent process
Clinical/Scientific Implications:
  • The signing of the informed consent form does not, however, end the process of consent
  • The investigator is obligated to continue to provide relevant information to the subject, answer questions, and ensure understanding throughout the duration of the study
  • Continued education of patients who are enrolled in the clinical trials may also play a positive role in patient's satisfaction
< !--P> ASCO Abstract 948

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