Narcolepsy is associated with an increased risk of HLA-related autoimmune diseases: Evidence from a nationwide healthcare system data in South Korea.

Sleep Med

Department of Psychiatry, College of Medicine, The Catholic University of Korea, South Korea; Department of Psychiatry, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, South Korea. Electronic address:

Published: May 2023

AI Article Synopsis

  • The study aimed to find the incidence rate of narcolepsy in South Korea and its connection to other systemic autoimmune diseases.
  • Researchers analyzed data from a nationwide health insurance claims database between 2010 and 2019, comparing narcolepsy patients with matched controls.
  • They found that narcolepsy has an incidence of 0.05% and is significantly linked to autoimmune diseases like ankylosing spondylitis and rheumatoid arthritis, particularly those associated with HLA genes.*

Article Abstract

Study Objectives: To determine the incidence rate of narcolepsy in South Korea and closely examine the relationship between narcolepsy, which is believed to be an autoimmune response, and other systemic autoimmune diseases.

Methods: We examined data from the South Korean nationwide health insurance claims database from 2010 to 2019. Our study included patients with narcolepsy as well as age- and sex-matched controls without narcolepsy. We estimated the incidence of narcolepsy and the odds ratio of narcolepsy and associated autoimmune comorbidities in South Korea.

Results: We identified 8710 patients with narcolepsy (59.8% men and 40.2% women). The incidence of narcolepsy was 0.05%. Patients with narcolepsy were at a significantly high risk of ankylosing spondylitis, rheumatoid arthritis, and Sjögren's syndrome, which diseases are known to be related to human leukocyte antigen (HLA) genes.

Conclusions: Narcolepsy is closely related to systemic autoimmune diseases, particularly those related to HLA genes.

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Source
http://dx.doi.org/10.1016/j.sleep.2023.03.006DOI Listing

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