Status:

NOT_YET_RECRUITING

National Cohort of Subjects at Risk of Developing Rheumatoid Arthritis

Lead Sponsor:

University Hospital, Montpellier

Collaborating Sponsors:

Nantes University Hospital

Assistance Publique Hopitaux De Marseille

Conditions:

Rheumatoid Arthritis (RA)

Eligibility:

All Genders

18-80 years

Brief Summary

PROMESS 1 is a multicenter cohort interventional study aiming at analyzing the factors associated with the risk of developing clinical arthritis among exposures or combinations of exposures in patient...

Detailed Description

This is a multicenter interventional cohort study. The goal of this cohort is to analyze the factors associated with the risk of developing clinical arthritis, considering individual or combined expos...

Eligibility Criteria

Inclusion

  • Age between 18 and 80 years old
  • Group 1: Individuals with high risk of RA (ACPA ≥ 2N or ACPA ≥ N and rheumatoid factor ≥ 2N) and clinical signs of arthralgia (CSA criteria ≥ 4).
  • Group 2: High-risk individuals (ACPA ≥ 2N or ACPA ≥ N and rheumatoid factor ≥ 2N) without clinical arthralgia (CSA criteria \< 4).
  • Group 3: First-degree relatives of RA patients (no symptoms, negative controls).
  • Group 4: Newly diagnosed untreated RA patients (ACPA ≥ 2N or ACPA ≥ N and rheumatoid factor ≥ 2N) (positive controls).

Exclusion

  • Groupe1-2-3:
  • • Presence of clinical joint swelling (synovitis) at the time of inclusion and previously noted by a doctor
  • All groups:
  • Taking current or past background treatment for RA, even for another indication
  • Corticosteroid therapy ≥10 mg at baseline and in the previous week
  • Presence of another connective tissue disease (Sjögren's, dermatomyositis, scleroderma, Sharp syndrome, etc.)
  • Subject unable to read and/or write
  • Inability to follow the patient during the study period
  • Failure to obtain consent
  • Non-affiliation to a social security scheme,
  • Persons placed under legal protection, under curatorship or under guardianship
  • Pregnant or breastfeeding women
  • Person participating in another intervention research including an
  • exclusion period still in progress

Key Trial Info

Start Date :

October 1 2025

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 1 2027

Estimated Enrollment :

150 Patients enrolled

Trial Details

Trial ID

NCT06876064

Start Date

October 1 2025

End Date

December 1 2027

Last Update

October 1 2025

Active Locations (1)

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1

CHU Montpellier

Montpellier, Hérault, France, 34000