Context
It is of note that the precommercial experience reported in this study benefited from the combined input of all the stakeholders, including end users, from a health district integrated care area in the city of Barcelona (Área Integral de Salud Barcelona Esquerra; AISBE), which includes 520,000 citizens. All stakeholders have long experience in piloting digital support for enhanced management of chronic patients [Within this regional digital health transformation context, the first reported study for prevention of hospitalizations in complex chronic patients (2019-2020) focused on assessment of a prototype-level (technology readiness level [TRL] 5) [The second reported study (2020-2021) focused on assessing the acceptability and usability of a pilot version of Health Circuit (TRL 7) for enhancing patient adherence to the prehabilitation program at the Hospital Clinic of Barcelona (HCB) [