CT:IQs Increasing access to clinical research by offering flexibility discusses options for how people might participate in a clinical trial. For example, this might mean participants complete some or all trial activities closer to home, rather than coming into a central research location.Building these options into a trial before it starts can be good for both researchers and participants. We want people planning a clinical trial to think about all the options that could be offered to participants. This document will be useful for researchers, reviewers and consumer advocates when they are planning a trial.