Data-Driven Insights To Improve Your Recruitment Process For Clinical Trials By Michael Gebauer and Andreas Krämer Globally, approximately $186 billion was spent on drug discovery in 2019, 1 with nearly 50 percent of that spent on clinical trials. 2 One of the major challenges in this regard is the recruitment of suitable patients, 3,4 who are sometimes driven by negative attitudes or a lack of education and information about clinical trials in general. 5 However, robust data based on representative research are rare. For example, Trauth et al. (2000) report a willingness to participate of 46 percent (n=489 in the U.S. state of Pennsylvania). 6 A CISCRP study reported a basic willingness to participate of more than 80 percent,