RT Journal Article T1 Tocilizumab in giant cell arteritis. Observational, open-label multicenter study of 134 patients in clinical practice. A1 Calderón-Goercke, Mónica A1 Loricera, Javier A1 Aldasoro, Vicente A1 Castañeda, Santos A1 Villa, Ignacio A1 Humbría, Alicia A1 Moriano, Clara A1 Romero-Yuste, Susana A1 Narváez, Javier A1 Gómez-Arango, Catalina A1 Pérez-Pampín, Eva A1 Melero, Rafael A1 Becerra-Fernández, Elena A1 Revenga, Marcelino A1 Álvarez-Rivas, Noelia A1 Galisteo, Carles A1 Sivera, Francisca A1 Olivé-Marqués, Alejandro A1 Álvarez Del Buergo, María A1 Marena-Rojas, Luisa A1 Fernández-López, Carlos A1 Navarro, Francisco A1 Raya, Enrique A1 Galindez-Agirregoikoa, Eva A1 Arca, Beatriz A1 Solans-Laqué, Roser A1 Conesa, Arantxa A1 Hidalgo, Cristina A1 Vázquez, Carlos A1 Román-Ivorra, José Andrés A1 Lluch, Pau A1 Manrique-Arija, Sara A1 Vela, Paloma A1 De Miguel, Eugenio A1 Torres-Martín, Carmen A1 Nieto, Juan Carlos A1 Ordas-Calvo, Carmen A1 Salgado-Pérez, Eva A1 Luna-Gomez, Cristina A1 Toyos-Sáenz de Miera, F Javier A1 Fernández-Llanio, Nagore A1 García, Antonio A1 Larena, Carmen A1 Palmou-Fontana, Natalia A1 Calvo-Río, Vanesa A1 Prieto-Peña, Diana A1 González-Vela, Carmen A1 Corrales, Alfonso A1 Varela-García, María A1 Aurrecoechea, Elena A1 Dos Santos, Raquel A1 García-Manzanares, Ángel A1 Ortego, Norberto A1 Fernández, Sabela A1 Ortiz-Sanjuán, Francisco A1 Corteguera, Montserrat A1 Hernández, José L A1 González-Gay, Miguel Á 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. YR 2019 FD 2019-01-05 LK http://hdl.handle.net/10668/13431 UL http://hdl.handle.net/10668/13431 LA en DS RISalud RD Apr 16, 2025