Patient information leaflets PILs for UK randomised controlled trials: a feasibility study exploring whether they contain information to support decision making about trial participationReportar como inadecuado

Patient information leaflets PILs for UK randomised controlled trials: a feasibility study exploring whether they contain information to support decision making about trial participation - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.


, 15:62

First Online: 18 February 2014Received: 23 July 2013Accepted: 24 January 2014DOI: 10.1186-1745-6215-15-62

Cite this article as: Gillies, K., Huang, W., Skea, Z. et al. Trials 2014 15: 62. doi:10.1186-1745-6215-15-62


BackgroundInformed consent is regarded as a cornerstone of ethical healthcare research and is a requirement for most clinical research studies. Guidelines suggest that prospective randomised controlled trial RCT participants should understand a basic amount of key information about the RCTs they are being asked to enrol in in order to provide valid informed consent. This information is usually provided to potential participants in a patient information leaflet PIL. There is evidence that some trial participants fail to understand key components of trial processes or rationale. As such, the existing approach to information provision for potential RCT participants may not be optimal. Decision aids have been used for a variety of treatment and screening decisions to improve knowledge, but focus more on overall decision quality, and may be helpful to those making decisions about participating in an RCT. We investigated the feasibility of using a tool to identify which items recommended for good quality decision making are present in UK PILs.

MethodsPILs were sampled from UK registered Clinical Trials Unit websites across a range of clinical areas. The evaluation tool, which is based on standards for supporting decision making, was applied to 20 PILs. Two researchers independently rated each PIL using the tool. In addition, word count and readability were assessed.

ResultsPILs scored poorly on the evaluation tool with the majority of leaflets scoring less than 50%. Specifically, presenting probabilities, clarifying and expressing values and structured guidance in deliberation and communication sub-sections scored consistently poorly. Tool score was associated with word count r = 0.802, P <0.01; there was no association between score and readability r = -0.372, P = 0.106.

ConclusionsThe tool was feasible to use to evaluate PILs for UK RCTs. PILs did not meet current standards of information to support good quality decision making. Writers of information leaflets could use the evaluation tool as a framework during PIL development to help ensure that items are included which promote and support more informed decisions about trial participation. Further research is required to evaluate the inclusion of such information.

KeywordsPatient information leaflets Informed consent Randomised controlled trials Decision support AbbreviationsANOVAAnalysis of variance

CTUClinical Trial Unit

GCPGood Clinical Practice

ICHInternational Conference on Harmonisation

IPDASInternational Patient Decision Aid Standards

NRESNational Research Ethics Service

PILPatient information leaflet

RCTRandomised controlled trial.

Electronic supplementary materialThe online version of this article doi:10.1186-1745-6215-15-62 contains supplementary material, which is available to authorized users.

Download fulltext PDF

Autor: Katie Gillies - Wan Huang - Zoë Skea - Jamie Brehaut - Seonaidh Cotton


Documentos relacionados