Explanatory Factors and Predictors of Fatigue in Patients With Sjögren's Disease: A 3-month Longitudinal Study

Condition(s) studied

Study summary

This prospective longitudinal study will be conducted in patients diagnosed with Sjögren's disease who are followed at the rheumatology outpatient clinic of Kahramanmaras Sutcu Imam University Medical Faculty Hospital. Demographic and clinical data will be collected from routine clinical assessments and medical records, including laboratory results obtained during standard care.

Participants will undergo evaluation of pressure pain threshold using a digital algometer and complete validated questionnaires assessing fatigue, disease activity, patient-reported symptoms, anxiety and depression, pain catastrophizing, sleep quality, and physical activity level.

All assessments will be performed at baseline and repeated at follow-up visits approximately 3 months later.

Eligibility

Primary outcome measure(s)

• Multidimensional Fatigue Inventory-20 (MFI-20) — Baseline and 3-month
  The MFI-20 is a 20-item self-reported questionnaire assessing fatigue across five dimensions: general fatigue, physical fatigue, mental fatigue, reduced motivation, and reduced activity. Each item is scored on a 5-point Likert scale. Total scores range from 20 to 100, with higher scores indicating greater fatigue.

Trial sites (1)

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