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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: Use of a baseline risk score to identify the risk of serious infectious events in patients with rheumatoid arthritis during certolizumab pegol treatment

Fig. 1

Rheumatoid Arthritis PreventIon of structural Damage 1 (RAPID1) and RAPID2 study design. Patients were randomized 2:2:1 to CZP 400 mg Q2W, CZP 200 mg Q2W, or placebo Q2W, respectively, in combination with MTX. The loading dose (LD) was CZP 400 mg at weeks 0, 2, and 4. aTwice the registered CZP dose. bRegistered CZP dose. cAt week 16, American College of Rheumatology 20% improvement nonresponders at weeks 12 and 14 were withdrawn from the RCTs; these patients, as well as those who completed the RCTs, were allowed to enter the OLEs, receiving CZP 400 mg Q2W + MTX for ≥ 6 months before being switched to CZP 200 mg Q2W + MTX. CZP Certolizumab pegol, Q2W Every 2 weeks, Q4W Every 4 weeks, MTX Methotrexate, RCT Randomized controlled trial, OLE Open-label extension

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