A common infrastructure for real-world patient-reported symptoms: one size fits many.

An editorial is presented on data sharing from control cohorts in pharma-sponsored clinical trials. Topics include advances in prevention and management of old and new toxicities beginning with patient data for identifying the nature, severity, and frequency of potential toxicities; and data collection showing activity trackers, online food diaries, online cognitive test batteries, and weighing scales with a bioelectrical impedance analysis system.