Accessing routinely collected health data to improve clinical trials: recent experience of access. Trials

Background: Routinely collected electronic health records (EHRs) have the potential to enhance randomised controlled trials (RCTs) by facilitating recruitment and follow-up. Despite this, current EHR use is minimal in UK RCTs,
in part due to ongoing concerns about the utility (reliability, completeness, accuracy) and accessibility of the data.
The aim of this manuscript is to document the process, timelines