Abstract Genetic rare diseases are a burning global public health issue requiring a thorough assessment of the related burden. Unfortunately, curative therapies are oftentimes unavailable for genetic rare diseases; nevertheless, a prompt diagnosis could allow clinicians to elaborate supportive care plans for patients and their caregivers, determine the best care setting, and potentially consider enrolling them in clinical trials, if suitable. Innovative, effective, and sustainable diagnostic techniques, such as Whole genome sequencing (WGS), are needed to address this growing health concern. At global level, there is a paucity of research that specifically investigates the implementation of WGS into clinical practice which is even more constrained at the European level. Furthermore, given the current challenges impacting pediatric patients suspected of having genetic diseases without a definitive diagnosis, there is an urgent need to improve the diagnostic workflow based on genomic techniques, such as WGS. Delving into this topic could contribute valuable insights that can inform policymakers, at macro-level, and health professionals, at micro-level, on how to develop suited genomic policies and clinical guidelines for the proper adoption of WGS within the daily clinical practice. From an international standpoint, it could be argued that these considerations resonate with the United Nations Sustainable Development Goals (SDGs), particularly SDG 3 (i.e., “Good health and well-being”) and 10 (i.e., “Reduced inequalities”), as a priority for research and action. Notwithstanding, the broader implementation of WGS encounters hindrances owing to its complexity and the multifaceted social, economic, organizational, and ethical implications. In view of these challenges, Health Technology Assessment (HTA), as an integrated and multidisciplinary process, provides a comprehensive framework for the evaluation of these dimensions. This round table is intended to provide attendees with insights into nonclinical domains of HTA of WGS which, unlike clinical domains, demand a nuanced approach within the framework of the HTA. The intended objective is pursued through the initial presentation of a case study on the evaluation of WGS in paediatric genetic disorders from the Italian National Health Service perspectives followed by an open discussion with experts. The discussion will delve into issues related to economics, genomics, health services organization and ethics. Key messages • For pediatric patients suspected of having a genetic disease, WGS could shorten the so-called diagnostic odyssey. • Context-depending aspects of implementing WGS should be properly taken into account through HTA.
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