These guidance articles are peer reviewed and provided to give research teams high quality and trustworthy information on how to conduct a task or resolve an issue in the design, conduct or reporting of a clinical trial. Articles are accompanied by resources, such as a template or example documents. These are free for you to download and adapt for your study. Please acknowledge if you use these.

A systematic review of barriers to and facilitators of the use of evidence by policymakers (BMC article)

by Kathryn Oliver, Simon Innvar, Theo Lorenc, Jenny woodman, James Thomas

The gap between research and practice or policy is often described as a problem. To identify new barriers of and facilitators to the use of evidence by policymakers, and assess the state of research in this area, the authors present a systematic review.

10th January 2014 • comment

Despite published guidance on writing the abstract in the PRISMA Statement guiding the reporting of systematic reviews in general and elsewhere, evaluations show that reporting of systematic reviews in journal and conference abstracts is poor. Teh authors developed consensus-based reporting guidelines as an extension to the PRISMA Statement on good reporting of systematic reviews and meta-analyses in abstracts.

10th April 2013 • comment

This guidance article aims to provide a fully comprehensive, pragmatic guide for researchers of all roles, but especially ethics reviewers, to explain the details of each type of ethics review. The article is available in English, Spanish, Portuguese and Chinese, and has been kindly provided by

1st January 2013 • comment
19th July 2012 • comment

An article about a workshop that assessed ethical review and informed consent in vulnerable populations. This article aims to prompt a debate leading to better guiding principles on health research in constrained settings

24th January 2011 • comment

The WHO invite comments on these new guidelines: Standards and Operational Guidance for Ethics Review of Health-Related Research with Human Participants

5th January 2011 • comment