Rheumatoid arthritis, Undifferentiated arthritis
Conditions
Interventions
None listed
Sponsors
Hokkaido University of Science
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients with undifferentiated arthritis who presented with joint pain within 6 months of onset and visited a medical facility Patients from whom residual serum samples obtained for clinical purposes at first visit were available and used for this study with written informed consent Patients for whom ACPA, RF, and MBDA score could be measured
Exclusion criteria
Exclusion criteria: Patients from whom serum samples were not collected or not stored at the initial visit Patients whose residual serum was insufficient for measuring ACPA, RF, or MBDA score Patients who had received any treatment for rheumatoid arthritis (e.g., DMARDs, biologics, JAK inhibitors) or corticosteroids prior to or at the initial visit Patients who did not provide written informed consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accuracy of baseline MBDA score in predicting RA diagnosis at 3-year follow-up | — |
Countries
Japan
Contacts
Public ContactKazuay Hiura
Hokkaido University of Science Faculty of Pharmaceutical Sciences
Outcome results
None listed