A call for cluster randomized cross-over trial reporting guidelines

When asking a research question, you need to ensure the trial design you choose is the most appropriate for that particular question. All have particular benefits and pitfalls that need to be considered and addressed when it comes to reporting. The cluster randomized cross-over trial is one of these potential choices and here, Sarah Arnup and Joanne McKenzie discuss their research into the reporting of this trial design, published today in Trials, and highlight the need for a CONSORT extension.