OP0065 TOCILIZUMAB IN VISUAL INVOLVEMENT OF GIANT CELL ARTERITIS. MULTICENTER STUDY OF 312 PATIENTS OF CLINICAL PRACTICE
2021
Background: Visual involvement is one of the most feared complication of Giant Cell Arteritis (GCA).Tocilizumab (TCZ) has shown efficacy and safety in large-vessel vasculitis (LVV) including GCA (1-4). Objectives: To assess the efficacy of TCZ to: a) prevent the appearance of new ocular involvement, and b) to improve visual symptoms if present. Methods: Observational, multicenter study of 312 patients with GCA treated with TCZ. Patients were diagnosed with GCA accordingly to a) ACR criteria, and/or b) biopsy of temporal artery, and/or c) presence of LVV by imaging. Patients were divided into two subgroups: a) with, and b) without visual involvement at any time. Visual manifestations were classified as: a) Transient visual loss (TVL) (amaurosis fugax), b) Permanent visual loss (PVL) (longer than 24 hours) (partial or complete; unilateral or bilateral), c) diplopia, and d) blurred vision. Accordingly to visual duration up to TCZ onset, we considered: a) 1-10 days, b) 11-30 days, and c) more than 30 days. Results: We studied 312 (218 women/94 men; mean age73.4±9.6 years). Visual manifestations at any time (before and/or after TCZ) were observed in 78 (25%). In 47 of them visual manifestations were present at TCZ onset, and in the remaining 31 patients had had a complete recovery. Main clinical features of GCA with and without visual involvement are shown in TABLE. Patients with visual involvement were older, with other ischemic complications, and requiring more corticosteroids dose. After TCZ onset, none patient developed new visual involvement. At TCZ onset 47 patients had the following visual manifestations; PVL (n= 28; unilateral/bilateral; 22/6), TVL (n=15; unilateral/bilateral; 9/6), diplopia (n=2) and blurred vision (n=2). None of the patients with TVL presented new episodes after TCZ onset, while 8 out of 28 patients with PVL experienced partial improvement (FIGURE). The 2 patients with diplopia and 1 of 2 patients with blurred vision improved. Conclusion: TCZ seems to prevent the appearance of new ocular manifestations. When they are present, TCZ may improve totally TVL and partially PVL. References: [1]Stone JH, et al. N Engl J Med. 2017; 377: 317-28. [2]Calderon-Goercke M, et al. Semin Arthritis Rheum 2019;49:126-35. https://doi.org/10.1016/j.semarthrit.2019.01.003. [3]Prieto Pena D et al. Clin Exp Rheumatol 2020 Nov 27. PMID: 33253103. [4]Loricera J, et al. Clin Exp Rheumatol 2016; 34:S44-53. PMID: 27050507. Disclosure of Interests: Lara Sanchez-Bilbao: None declared, Javier Loricera: None declared, Vicente Aldasoro: None declared, Rafael Melero: None declared, Santos Castaneda: None declared, Olga Maiz: None declared, Clara Moriano: None declared, Ignacio Villa-Blanco: None declared, Eztizen Labrador-Sanchez: None declared, Cristina Hidalgo: None declared, Sara Manrique Arija: None declared, Eva Galindez-Agirregoikoa: None declared, Eva Perez-Pampin: None declared, Andrea Garcia-Valle: None declared, Cristina Campos Fernandez: None declared, Juan Ramon De Dios: None declared, Carlota Laura Iniguez: None declared, Jose Luis Andreu Sanchez: None declared, Julio Sanchez: None declared, Monica Calderon-Goercke: None declared, Miguel A Gonzalez-Gay Speakers bureau: Abbvie, Pfizer, Roche, Sanofi, Lilly, Celgene and MSD, Consultant of: Abbvie, Pfizer, Roche, Sanofi, Lilly, Celgene and MSD, Grant/research support from: Abbvie, MSD, Jansen and Roche, Ricardo Blanco Speakers bureau: Abbvie, Lilly, Pfizer, Roche, Bristol-Myers, Janssen, UCB Pharma and MSD, Consultant of: Abbvie, Lilly, Pfizer, Roche, Bristol-Myers, Janssen, UCB Pharma and MSD, Grant/research support from: Abbvie, MSD and Roche
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