Association between serum dickkopf-1 levels and disease duration in axial spondyloarthritis Roxana Rubio Vargas, Enrique Melguizo Madrid, Concepción González Rodríguez, Federico Navarro Sarabia, Carmen Dominguez Quesada, Rafael Ariza Ariza, Victoria Navarro Compán

One-year retention rate of ixekizumab in patients with psoriatic arthritis and axial spondyloarthritis: Real-world data from the BIOBADASER registry Clementina López-Medina, Lucía Otero-Varela, Fernando Sánchez-Alonso, Vega Jovaní, Lorena Expósito-Pérez, Sheila Melchor-Díaz, Yanira Pérez-Vera, Paula Pretel-Ruiz, Javier Manero, Antonio Mera-Varela, Lourdes Mateo, Dolores Ruiz-Montesino, José Andrés Lorenzo-Martín, Teresa Pedraz-Penalva, Isabel Castrejón

RESPONDIA. Ibero-American Spondyloarthropaties Registry: Portuguese Group Elsa Sousa, Miguel Sousa, Fernando Pimentel, Ana Filipa Mourão, Ana Rodrigues, Helena Santos, Viana Queiroz, Ana Teixeira, Jaime Branco, Anabela Barcelos