Healthcare utilization and unmet needs of patients with antisynthetase syndrome: An international patient survey

  • Hector Chinoy
  • , A. Dihkan
  • , S. Schlüter
  • , J. Schmidt
  • , J. Bauhammer
  • , C. Fiehn
  • , Y. Ignatyev
  • , F. Muehlensiepen
  • , M.T. Holzer
  • , M. Weiss
  • , D. Scheibner
  • , U. Schneider
  • , L. Valor Mendez
  • , G. Corte
  • , Latika Gupta
  • , I. Lundberg
  • , L. Cavagna
  • , J.H.W. Distler
  • , G. Schett
  • , J Knitza

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Antisynthease syndrome (ASSD) is a rare, complex and understudied autoimmune disease. Internet-based studies can overcome barriers of traditional on-site research and are therefore very appealing for rare diseases.
Objective: The aim of this study was to investigate patient-reported symptoms, diagnostic delay, symptoms, medical care, health status, working status, disease knowledge and willingness to participate in research of ASSD patients by conducting an international web-based survey.
Methods: The multilingual questionnaire was created by an international group of rheumatologists and patients and distributed online.
Results: 236 participants from 22 countries completed the survey. 184/236 (78.0%) were female, mean age (SD) was 49.6 years (11.3) and most common antisynthetase antibody was Jo-1 (169/236, 71.6%). 79/236 (33.5%) reported to work full-time. Median diagnostic delay was one year. The most common symptom at disease onset was fatigue 159/236 (67.4%), followed by myalgia 130/236 (55.1%). The complete triad of myositis, arthritis and lung involvement verified by a clinician was present in 42/236 (17.8%) at disease onset and in 88/236 (37.3%) during the disease course. 36/236 (15.3%) reported to have been diagnosed with fibromyalgia and 40/236 (16.3%) with depression. The most reported immunosuppressive treatments were oral corticosteroids 179/236 (75.9%), followed by rituximab 85/236 (36.0%). 73/236 (30.9%) had received physiotherapy treatment. 71/236 (30.1%) reported to know useful online information sources related to ASSD. 223/236 (94.5%) were willing to share health data for research purposes once a year.
Conclusion: Our results reiterate that internet-based research is invaluable for cooperating with patients to foster knowledge in rare diseases.

Original languageEnglish
JournalRheumatology International
Early online date15 Jul 2023
DOIs
Publication statusE-pub ahead of print - 15 Jul 2023

Keywords

  • myositis
  • autoantibodies
  • health services research
  • therapeutics
  • diagnosis

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