An Observational Study to Describe in Routine Clinical Practice the Treatment Patterns of Usage of Biological DMARDs in RA Patients.

A Multi-center Cross-sectional Study on Treatment Patterns and Patient Characteristics in Rheumatoid Arthritis (RA) Patients Treated by Biological DMARDs in China

This observational study will describe the treatment patterns of usage of biological DMARDs in routine clinical practice and the demographics and RA disease characteristics in patients suffering from rheumatoid arthritis. Patients will be recruited and examined the same day when recruited. There will be no follow up visit or treatment period only one visit in this study.

Inclusion Criteria:

• Patients at least 18 years of age.
• Patients with a diagnosis of RA according to the revised ACR criteria.
• Patients receiving treatment of launched biological DMARDs.

Exclusion Criteria:

• Patients who received biological DMARDs due to clinical trials or biologics not launched.
• Patients who are considered not appropriate for study due to other reasons at physicians' discretion.