Artificial intelligence system, process and method. In particular, the present invention relates to a system and method for building and using a compartmentalised multifactorial database containing personal data relating to health, family, environment, food and eduction, as well as to related activities and the corresponding environment, and uses thereof. In particular, the present invention relates to an artificial intelligence system for clinical trials, operating with a medical decision support computer system cooperating with a mobile-health intelligent personal assistant, in communication with a network of biomedical devices and connected biological, chemical and physical sensors collecting information on elements (drugs and healthcare products, living environment elements, compounds in food) interacting with one or more individuals and professionals. The artificial intelligence system intended for clinical research incorporates or cooperates with a health database. In particular, the invention relates to such a system, process and method for testing out-patient care for chronic diseases.