A thematic analysis of factors influencing recruitment to maternal and perinatal trials

Recruitment of eligible participants remains one of the biggest challenges to successful completion of randomised controlled trials (RCTs). Only one third of trials recruit on time, often requiring a lengthy extension to the recruitment period. We identified factors influencing recruitment success and potentially effective recruitment strategies.We searched MEDLINE and EMBASE from 1966 to December Week 2, 2006, the Cochrane Library Methodology...