Redefining Participant Support Through Global Contact Centres As clinical trials continue to expand across geographies and adopt decentralised and hybrid models, ensuring consistent communication, safety oversight and participant support has become a critical element of trial success. Sponsors are increasingly challenged to maintain continuity across diverse regulatory environments, multiple sites, and varying participant needs, all while preserving a positive and engaging participant experience. In this evolving landscape, global contact centres are emerging as a foundational component of modern trial design, providing a centralised, scalable and human-centred support model that connects participants, sites and sponsors throughout the study lifecycle.