The document outlines the roles and responsibilities of various players in pharmacovigilance. It discusses the role and responsibilities of investigators in conducting clinical trials according to ethical principles and applicable regulations. It also describes the role of coordinators in managing clinical trials and ensuring IRB approval requirements are met. The document notes that sponsors are responsible for selecting qualified investigators and properly monitoring investigations. Monitors assist with safety activities like reviewing protocols and safety reports. Finally, contract research organizations manage clinical trial processes like data management and provide adequate staffing.