Rheumatoid arthritis
Conditions
Interventions
None listed
Sponsors
Japan College of Rheumatology
Osaka University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. From 2011.4.1 to 2011.7.31, Japanese rheumatoid arthritis (RA) patients who were 20 years old or older, and visited at least once the RA educational institutions that were authorized by Japan College of Rheumatology, and agreed to participate in this study 2. RA patients who were fulfilled the 1987 American College of Rheumatology classification criteria for RA or American College of Rheumatology/European League Against Rheumatism classification criteria for RA
Exclusion criteria
Exclusion criteria: 1. Patients who were definitely diagnosed with lymphoma based on pathological data before the start of observation 2. Patients or their deputies who did not agree to participate in this study 3. Patients who were deemed to be unqualified due to medical or social reasons by attending physicians
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence rate of lymphoproliferative disorders over three years in patients with rheumatoid arthritis | — |
Secondary
| Measure | Time frame |
|---|---|
| Prognosis of the registered patients with rheumatoid arthritis over three years, and clinical characteristics and treatments for LPD | — |
Countries
Japan
Contacts
Public ContactRyoko Sakai
Tokyo Women's Medical University Institute of Rheumatology Department of Epidemiology and Pharmacoepidemiology of Rheumatic Diseases
Outcome results
None listed