Rituximab fixed retreatment versus on-demand retreatment in refractory rheumatoid arthritis: comparison of two B cell depleting treatment strategies

REFERENCES 1. Kadar J, Petrovicz E. Adult-onset Still’s disease. Best Pract Res Clin Rheumatol 2004;18:663–76. 2. Shin KC, Lee YJ, Kang SW, Baek HJ, Lee EB, Kim HA, et al. Serum procalcitonin measurement for detection of intercurrent infection in febrile patients with SLE. Ann Rheum Dis 2001;60:988–9. 3. Eberhard OK, Haubitz M, Brunkhorst FM. Usefulness of procalcitonin for differentiation between activity of systemic autoimmune disease (systemic lupus erythematosus/systemic antineutrophil cytoplasmic antibody-associated vasculitis) and invasive bacterial infection. Arthritis Rheum 1997;40:1250–6. 4. de Werra I, Jaccard C, Corrandin SB. Cytokines, nitrite/nitrate, soluble tumor necrosis factor receptors, and procalcitonin concentrations: comparisons in patients with septic shock, cardiogenic shock, and bacterial pneumonia. Crit Care Med 1997;25:607–13. 5. Delevaux I, Andre M, Colombier M, Albuisson E, Meylheuc F, Begue RJ, et al. Can procalcitonin measurement help in differentiating between bacterial infection and other kinds of inflammatory processes? Ann Rheum Dis 2003;62:337–40. 6. Scire CA, Cavagna L, Perotti C, Bruschi E, Caporali R, Montecucco C. Diagnostic value of procalcitonin measurement in febrile patients with systemic autoimmune diseases. Clin Exp Rheumatol 2006;24:123–8. 7. Yamaguchi M, Ohta A, Tsunematsu T, Kasukawa R, Mizushima Y, Kashiwagi S, et al. Preliminary criteria for classification of adult Still’s disease. J Rheumatol 1992;19:424–30. 8. Pouchot J, Sampalis JS, Beaudet F, Carette S, Decary F, Salusinsky-Sternbach M, et al. Adult Still’s disease: manifestations, disease course, and outcome in 62 patients. Medicine 1991;70:118–36. 9. Kettelhack C, Hohenberger P, Schulze G, Kilpert B, Schlag PM. Induction of systemic serum procalcitonin and cardiocirculatory reactions after isolated limb perfusion with recombinant human tumor necrosis factor-alpha and melphalan. Crit Care Med 2000;28:1040–6. 10. Hoshino T, Ohta A, Yang D, Kawamoto M, Kikuchi M, Inoue Y, et al. Elevated serum interleukin 6, interferon-c, and tumor necrosis factor-a levels in patients with adult Still’s disease. J Rheumatol 1998;25:396–8.