Evaluating a Biomarker for Disease Activity in Primary Sjögren's Syndrome

Autoreactive Anti-Ro/SSA IgE To Determine Primary SjögRen's Syndrome's Disease Activity

Observational Centre Hospitalier Universitaire de Saint Etienne · NCT03003572

This study is testing if measuring a specific type of antibody in the blood can help doctors understand how active the disease is in people with Primary Sjögren's Syndrome.

Quick facts

Study typeObservational
Enrollment185 (estimated)
Ages18 Years and up
SexAll
SponsorCentre Hospitalier Universitaire de Saint Etienne Academic / other
Drugs / interventionssifalimumab, rontalizumab, anifrolumab, belimumab
Locations8 sites (Bourgoin and 7 other locations)
Trial IDNCT03003572 on ClinicalTrials.gov

What this trial studies

This observational study aims to assess the presence of autoreactive anti-Ro/SSA immunoglobulin E (IgE) as a potential biomarker for disease activity in patients with Primary Sjögren's Syndrome (pSS). It will include consecutive patients diagnosed with pSS, either newly diagnosed or previously known, and will measure the levels of anti-Ro/SSA IgE in their blood samples. The study will determine if higher levels of this biomarker correlate with active disease, as defined by the EULAR Sjögren Syndrome Disease Activity Index. The findings could enhance the understanding of disease activity and improve patient management.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with Primary Sjögren's Syndrome according to established criteria.

Not a fit: Patients with secondary Sjögren's syndrome or other systemic autoimmune diseases may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a reliable biomarker for monitoring disease activity in patients with Primary Sjögren's Syndrome.

How similar studies have performed: While the specific approach of using anti-Ro/SSA IgE as a biomarker is novel, similar studies have explored biomarkers in autoimmune diseases with varying degrees of success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Primary Sjögren's syndrome according to the American-European Consensus Criteria)
* Informed and having signed the study consent form

Exclusion Criteria:

* Secondary Sjögren's syndrome
* Other systemic autoimmune disease (e.g. rheumatoid arthritis, AntiNeutrophil Antibodies (ANCA) -associated vasculitis, mixed connective tissue disease…)
* Incapacity or refusal to sign the informed consent form
* Incapacity or refusal to perform the follow-up examinations required by the study
* Has received abatacept, sifalimumab, rontalizumab, anifrolumab, belimumab, Tumor Necrosis Factor (TNF) antagonists or interferon during the 6 months prior to the inclusion
* Has any current signs or symptoms of active infection

Where this trial is running

Bourgoin and 7 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Primary Sjögren's SyndromeSjögren's syndromeImmunoglobulin EAnti-Ro/SSAAutoimmune diseaseBiomarker
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.