This document discusses the benefits and risks of patient involvement in pharmacovigilance based on a case study. It notes that proactively involving patient groups and representatives in assessments helped manage the crisis. Lessons included being available to patients and dealing with scientific complexity. The document outlines objectives to better understand patient information sharing online and develop apps to facilitate two-way communication between patients and regulators on medicine safety. It acknowledges challenges like varying awareness of regulators across Europe and finding trusted information sources. Finally, it recommends designating a "Vigil" contact in patient groups to liaise with regulators on pharmacovigilance issues.