RT Journal Article T1 Tocilizumab in giant cell arteritis. Observational, open-label multicenter study of 134 patients in clinical practice. A1 Calderon-Goercke, Monica A1 Loricera, Javier A1 Aldasoro, Vicente A1 Castañeda, Santos A1 Villa, Ignacio A1 Humbria, Alicia A1 Moriano, Clara A1 Romero-Yuste, Susana A1 Narvaez, Javier A1 Gomez-Arango, Catalina A1 Perez-Pampin, Eva A1 Melero, Rafael A1 Becerra-Fernandez, Elena A1 Revenga, Marcelino A1 Alvarez-Rivas, Noelia A1 Galisteo, Carles A1 Sivera, Francisca A1 Olive-Marques, Alejandro A1 Alvarez-Del-Buergo, Maria A1 Marena-Rojas, Luisa A1 Fernandez-Lopez, Carlos A1 Navarro, Francisco A1 Raya, Enrique A1 Galindez-Agirregoikoa, Eva A1 Arca, Beatriz A1 Solans-Laque, Roser A1 Conesa, Arantxa A1 Hidalgo, Cristina A1 Vazquez, Carlos A1 Roman-Ivorra, Jose Andres A1 Lluch, Pau A1 Manrique-Arija, Sara A1 Vela, Paloma A1 De-Miguel, Eugenio A1 Torres-Martin, Carmen A1 Nieto, Juan Carlos A1 Ordas-Calvo, Carmen A1 Salgado-Perez, Eva A1 Luna-Gomez, Cristina A1 Toyos-Saenz-de-Miera, F Javier A1 Fernandez-Llanio, Nagore A1 Garcia, Antonio A1 Larena, Carmen A1 Palmou-Fontana, Natalia A1 Calvo-Rio, Vanesa A1 Prieto-Peña, Diana A1 Gonzalez-Vela, Carmen A1 Corrales, Alfonso A1 Varela-Garcia, Maria A1 Aurrecoechea, Elena A1 Dos-Santos, Raquel A1 Garcia-Manzanares, Angel A1 Ortego, Norberto A1 Fernandez, Sabela A1 Ortiz-Sanjuan, Francisco A1 Corteguera, Montserrat A1 Hernandez, Jose L A1 Gonzalez-Gay, Miguel A A1 Blanco, Ricardo K1 Biological therapy K1 Giant cell arteritis K1 Large-vessel vasculitis K1 Tocilizumab AB Tocilizumab (TCZ) has shown efficacy in clinical trials on giant cell arteritis (GCA). Real-world data are scarce. Our objective was to assess efficacy and safety of TCZ in unselected patients with GCA in clinical practice Methods: Observational, open-label multicenter study from 40 national referral centers of GCA patients treated with TCZ due to inefficacy or adverse events of previous therapy. Outcomes variables were improvement of clinical features, acute phase reactants, glucocorticoid-sparing effect, prolonged remission and relapses. A comparative study was performed: (a) TCZ route (SC vs. IV); (b) GCA duration (≤6 vs. >6 months); (c) serious infections (with or without); (d) ≤15 vs. >15 mg/day at TCZ onset. 134 patients; mean age, 73.0 ± 8.8 years. TCZ was started after a median [IQR] time from GCA diagnosis of 13.5 [5.0-33.5] months. Ninety-eight (73.1%) patients had received immunosuppressive agents. After 1 month of TCZ 93.9% experienced clinical improvement. Reduction of CRP from 1.7 [0.4-3.2] to 0.11 [0.05-0.5] mg/dL (p  In clinical practice, TCZ yields a rapid and maintained improvement of refractory GCA. Serious infections appear to be higher than in clinical trials. PB Elsevier YR 2019 FD 2019-07-16 LK http://hdl.handle.net/10668/13431 UL http://hdl.handle.net/10668/13431 LA en NO Calderón-Goercke M, Loricera J, Aldasoro V, Castañeda S, Villa I, Humbría A, et al. Tocilizumab in giant cell arteritis. Observational, open-label multicenter study of 134 patients in clinical practice. Semin Arthritis Rheum. 2019 Aug;49(1):126-135 DS RISalud RD Jul 4, 2025