PO:07:098 | Reasons for treatment failure and their synovial correlate among patients with difficult-to-treat rheumatoid arthritis: Alessandro Giollo1, Mariangela Salvato1, Francesca Frizzera1, Kiren Khalid1, Lorenzo Di Luozzo1, Carlo Garaffoni2, Maria Capita2, Marianna Tamussin2, Giovanni Lanza2, Marny Fedrigo3, Annalisa Angelini3, Roberta Ramonda1, Ettore Silvagni2, Andrea Doria1 | 1UOC Reumatologia Padova, Italy; 2UOC Reumatologia Ferrara, Italy; 3UOC Patologia cardiovascolare Padova, Italy; 4UOC Anatomia Patologica Ferrara, Italy. Reumatismo [Internet]. 2026 Mar. 18 [cited 2026 Apr. 17];77(s1). Available from: https://www.reumatismo.org/reuma/article/view/2304