Deliberative Processes by Health Technology Assessment Agencies: A Reflection on Legitimacy, Values and Patient and Public Involvement Comment on "Use of Evidence-informed Deliberative Processes by Health Technology Assessment Agencies Around the Globe"

Legitimacy of deliberation processes leading to recommendations for public financing or clinical practice depends on the data considered, stakeholders involved and the process by which both of these are selected and organised. Oortwijn et al provides an interesting exploration of processes currently in place in health technology assessment (HTA) agencies. However, agencies are struggling with core issues central to their legitimacy that goes beyond the procedural exploration of Oortwijn et al, such as: how processes reflect the mission and values of the agencies? How they ensure that recommendations are fair and reasonable? Which role should be given to public and patient involvement? Do agencies have a positive impact on the healthcare system and the populations served? What are the drivers of their evolution? We concur with Culyer commentary on the need of learning from doing what works best and that a reflection is indeed needed to "enhance the fairness and legitimacy of HTA."