The New Standard In Participant-Centric Trials: What Castor's 2025 Updates Reveal About The Future Of Clinical Research

The May 2025 Castor Product Spotlight signaled more than a product update—it marked a shift in how clinical trials are designed and delivered. As real-world data, eCOA/ePRO, direct-to-patient (DTP) engagement, and digital-first workflows converge, Castor showcased its commitment to flexibility, compliance, and participant-centered design.

The platform’s latest advancements include frictionless OTP-based onboarding, adaptive eConsent with videos and FAQs, and end-to-end modular workflows that prioritize participant ease without sacrificing regulatory rigor. From recruitment landing pages to ePRO follow-ups, each touchpoint is built to sustain engagement and reduce site burden. Castor’s API-first, modular architecture allows study teams to adapt workflows to participants’ lives, rather than forcing patients into rigid processes.

Compliance and resilience remain core, with audit trails, offline functionality, and auto-saving ensuring data integrity. Looking forward, Castor is expanding on-site eCOA/ePRO workflows for hybrid trials. The message is clear: clinical technology must serve both scientific rigor and human experience—and Castor is positioning itself at the forefront of this participant-led future.