• 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 (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-09-11)
      Objectives: To describe risk factors for inflammatory bowel disease (IBD) development in a cohort of children with juvenile idiopathic arthritis (JIA).<p> <p>Methods: JIA patients who developed IBD were identified from the international Pharmachild register. Characteristics were compared between IBD and non-IBD patients and predictors of IBD were determined using multivariable logistic regression ...