Study of Tapering and Discontinuing Biological DMARDs in Rheumatoid Arthritis Patients

Inclusion Criteria

• •Diagnosed of RA based on the 1987 American College of Rheumatology (ACR) criteria and/or 2010 ACR/EULAR classification criteria of RA depending on the time of diagnosis Age ≥ 20 years old TNF-α inhibitors was prescribed for RA patients refractory to csDMARDs (defined as csDMARD therapy for over 6 months) during 2003/5/2 - 2017/4/30 Dose reduction or discontinuation use of TNF-α inhibitors (2011/1/1-2019/4/30)