Recruitment of patients in any clinical trial remains a critical bottleneck in the quest to accelerate the development of new treatments. In this article Sameer Parekh and Sunil Shewale at Serum Institute of India Ltd discuss the realistic, practical and sensitive issues, and explore knowlegde about pre-screeing procedures, methods, and regulatory guidance.
 
http://jforcs.com/jcs/wp-content/uploads/2013/08/1-PreScreening-An-Important-First-Step.pdf