• Increased incidence of inflammatory bowel disease on etanercept in juvenile idiopathic arthritis regardless of concomitant methotrexate use 

      van Straalen, Joeri W.; Krol, Roline; Giancane, Gabriella; Panaviene, Violeta; Ailioaie, Laura Marinela; Dolezalova, Pavla; Cattalini, Marco; Susic, Gordana; Sztajnbok, Flavio; Maritsi, Despoina; Constantin, Tamas; Sawhney, Sujata; Rygg, Marite; Oliveira, Sheila K.; Nordal, Ellen Berit; Saad-Magalhaes, C; Rubio-Perez, Nadina; Jelusic, Marija; de Roock, Sytze; Wulffraat, Nico; Ruperto, Nicolino; Swart, Joost Frans; International Trials Org, Paediatric Rheumatology (Peer reviewed; Journal article, 2021)
      Objectives: To describe risk factors for inflammatory bowel disease (IBD) development in a cohort of children with juvenile idiopathic arthritis (JIA). Methods: JIA patients who developed IBD were identified from the ...
    • Real-world comparison of the effects of etanercept and adalimumab on well-being in non-systemic juvenile idiopathic arthritis: a propensity score matched cohort study 

      van Straalen, Joeri W.; de Roock, Sytze; Giancane, Gabriella; Consolaro, Alessandro; Rygg, Marite; Nordal, Ellen Berit; Rubio-Pérez, Nadina; Jelusic, Marija; De Inocencio, Jaime; Vojinovic, Jelena; Wulffraat, Nico M.; Bruijning-Verhagen, Patricia C. J.; Ruperto, Nicolino; Swart, Joost F. (Peer reviewed; Journal article, 2022)
      Background Etanercept (ETN) and adalimumab (ADA) are considered equally effective biologicals in the treatment of arthritis in juvenile idiopathic arthritis (JIA) but no studies have compared their impact on patient-reported ...