Rapid recruitment of large cohort to support trials in general practice: the role of FARSITE

There is increasing interest in the cohort multiple randomised controlled trial (cmRCT - Relton BMJ doi: 10.1136/bmj.c1066) as a model for pragmatic trials in general practice. We have adopted the design for our CLASSIC study of integrated care (http://www.nets.nihr.ac.uk/projects/hsdr/1213033). However, the cmRCT needs rapid recruitment of large patient cohorts, which can be a logistical challenge.Traditionally, general practices must make the initial approach to patients to take part in trials. This requires investment of time and resources, acting as a barrier to GPs who might be interested in research.