A Contract Safety Organization (CSO) is a third-party provider that delivers outsourced pharmacovigilance and safety operations for clinical development programs.
CSOs may manage adverse event processing, case triage, expedited reporting, signal detection, and safety database management. Their expertise supports compliance with FDA and global safety reporting requirements. High-quality safety operations protect participants and strengthen benefitñrisk evaluation throughout development. Sponsors rely on CSOs to maintain timely, accurate, and inspection-ready safety documentation.