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The Flare Assessment in Rheumatoid Arthritis (FLARE-RA) self-administered questionnaire aims to identify patients who had flare in the interval between 2 consultations. This study aimed to establish a threshold for FLARE-RA score to identify RA flare. The Tocilizumab SubCutAneous (TOSCA) study evaluated the efficacy and safety of subcutaneous Tocilizumab (TCZ) to patients with active RA. Disease activity was assessed with the DAS28ESR at baseline and at week 2 (W2), W4, W12, and W24. The FLARE-RA questionnaire was administered at W12 and W24. Patien