Author contribution: Osmolovsky IS built and performed technical verification of the medical nomenclature and algorithms for the diagnosis and treatment of gout, analyzed information provided by the expert panel, wrote the technical section of the paper and prepared figures and tables; Zarubina TV proposed the design of the study, supervised the study, analyzed information provided by the expert panel and performed technical verification of the informational objects; Shostak NA, Kondrashov AA, Klimenko AA collected data for the informational objects, performed clinical verification of the informational objects and wrote the clinical section of this paper.

Compliance with ethical standards: the study was approved by the Ethics Committee of Pirogov Russian National Research Medical University (Protocol № 192 dated January 27, 2020).