Current Status of Prurigo Nodularis in Japan: A Retrospective Study Using a Health Insurance Claims Database.

ABSTRACT: Background/Objectives: Prurigo nodularis (PN) is associated with considerable disease burden. Limited information exists about the epidemiology, treatment patterns, and impact of PN. This retrospective study used Japanese health insurance claims data to investigate the prevalence and incidence of PN from 2006 to 2021. Methods: A cross-sectional study design was used to estimate prevalence and incidence longitudinally; a cohort design was used to assess comorbidities, treatment patterns, and healthcare resource utilization (HCRU). Results: Over the study period, data from 297,545 to 10,081,414 individuals were available annually; in 2020, 1946 individuals were diagnosed with PN. The prevalence and incidence of PN showed little variation over the study period; in 2021, t

SUBMITTER: Igarashi A 

PROVIDER: S-EPMC11943442 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature