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Related Experiment Video

Updated: Dec 31, 2025

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Using Clinical Characteristics and Patient-Reported Outcome Measures to Categorize Systemic Lupus Erythematosus

Jennifer L Rogers1, Amanda M Eudy1, David Pisetsky2

  • 1Duke University Medical Center, Durham, North Carolina.

Arthritis Care & Research
|January 8, 2020
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Summary

A new systemic lupus erythematosus (SLE) categorization identifies type 2 SLE, characterized by fibromyalgia symptoms. This classification highlights patient-reported issues and potential discordance with physician assessments in SLE management.

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Area of Science:

  • Rheumatology
  • Clinical Immunology
  • Patient-Reported Outcomes

Background:

  • Systemic lupus erythematosus (SLE) is a complex autoimmune disease with a wide range of clinical manifestations.
  • A novel type 1 and type 2 SLE categorization system aims to better capture patient perspectives and symptom spectrum.
  • Understanding the interplay between SLE activity and comorbid conditions like fibromyalgia (FM) is crucial for comprehensive patient care.

Purpose of the Study:

  • To characterize the clinical features of proposed SLE subtypes (type 1 and type 2).
  • To evaluate the correlation between patient-reported and physician-reported measures within this new categorization model.
  • To assess the impact of fibromyalgia on SLE patient assessments.

Main Methods:

  • A cross-sectional study involving 212 SLE patients at a university clinic.
  • Patients completed the Systemic Lupus Activity Questionnaire (SLAQ) and fibromyalgia (FM) criteria.
  • SLE subtypes were defined based on disease activity (SLEDAI score) and FM presence: type 1 (active SLE, no FM), type 2 (inactive SLE, with FM), mixed SLE (active SLE with FM), and minimal SLE (inactive SLE, no FM).

Main Results:

  • The cohort comprised 30% type 1 SLE, 8% type 2 SLE, 13% mixed SLE, and 49% minimal SLE.
  • Patients with FM (21% of the cohort), irrespective of SLE disease activity, reported higher SLAQ scores, patient global assessment, and self-reported flares.
  • Significant discordance was observed between patient- and physician-reported measures in patients with FM.

Conclusions:

  • Fatigue, pain, sleep issues, and mood disorders are common in SLE and may be associated with type 2 SLE.
  • Identifying type 2 SLE could enhance patient-physician communication and understanding of disease impact.
  • The Systemic Lupus Activity Questionnaire (SLAQ) may require reinterpretation in light of fibromyalgia severity.