Sjögren's disease & overlap diseases

Systemic disease activity measured with ESSDAI varies largely over 5 years in a prospective, longitudinal cohort of patients with Sjögren’s disease

RMD OpenPublished Prospective cohort study

Authors' conclusion

In this cohort of patients with SjD, overall ESSDAI slightly decreased during 5 years of follow-up, whereas at individual patient level, large variation was seen over time for the majority of patients. Longer time in ESSDAI LDA was associated with better salivary gland outcomes.

Study context

Population
Patients with Sjögren's disease (SjD) fulfilling the 2016 ACR/EULAR classification criteria with ≥2 years of follow-up, in the REgistry of Sjögren Syndrome LongiTudinal cohort236 (89%) women
Participants
265 patients
Exposure
ESSDAI low disease activity (LDA) for ≥75% vs <75% of time
Outcome
Variation in systemic disease activity (ESSDAI) over time at group and individual patient level
Follow-up
Up to 5 years
Methodological detailslongitudinal, standard-of-care cohort
  • Longitudinal
  • Standard-of-care cohort

Main finding

As reported in the abstract

ESSDAI over time (group level) · baseline to year 5

Median ESSDAI at baseline (IQR 2-7)

4

Median ESSDAI at year 5 (IQR 2-5)

3

Untreated patients with ESSDAI<5 at baseline changing to ESSDAI≥5 at least once

50 of 102

49%

Untreated patients with ESSDAI≥5 at baseline changing to ESSDAI<5

41 of 45

91%

Observational data: associations, not effects.

Further findings

Saliva production

Better outcomes with ESSDAI LDA for ≥75% of time

Original publication

Systemic disease activity measured with ESSDAI varies largely over 5 years in a prospective, longitudinal cohort of patients with Sjögren’s disease. RMD Open. Published 22 January 2025. doi:10.1136/rmdopen-2024-004753

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