• 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 ...
    • Opportunistic infections in immunosuppressed patients with juvenile idiopathic arthritis: analysis by the Pharmachild Safety Adjudication Committee. 

      Giancane, Gabriella; Swart, Joost Frans; Castagnola, E; Groll, Andreas; Horneff, Gerd; Huppertz, Hans-Iko; Lovell, Daniel J.; Wolfs, T.; Herlin, T; Dolezalova, Pavla; Sanner, Helga; Susic, Gordana; Sztajnbok, Flavio; Maritsi, Despoina; Constantin, Tamás; Vargova, Veronika; Sawhney, Sujata; Rygg, Marite; Oliveira, Sheila K.; Cattalini, Marco; Bovis, Francesca; Bagnasco, Francesca; Pistorio, Angela; Martini, Alberto; Wulffraat, Nico; Ruperto, Nicolino (Peer reviewed; Journal article, 2020)
      Background: To derive a list of opportunistic infections (OI) through the analysis of the juvenile idiopathic arthritis (JIA) patients in the Pharmachild registry by an independent Safety Adjudication Committee (SAC). ...
    • 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 ...
    • The Norwegian version of the Juvenile Arthritis Multidimensional Assessment Report (JAMAR) 

      Flatø, Berit; Rygg, Marite; Nordal, Ellen Berit; Røisland, Mona; Ødegård, Hanne Beate; Hoftun, Gry Børmark; Songstad, Nils Thomas; Consolaro, Alessandro; Bovis, Francesca; Ruperto, Nicolino (Journal article; Peer reviewed, 2018)
      The Juvenile Arthritis Multidimensional Assessment Report (JAMAR) is a new parent/patient-reported outcome measure that enables a thorough assessment of the disease status in children with juvenile idiopathic arthritis ...
    • Validity and Reliability of Four Parent/Patient–Reported Outcome Measures for Juvenile Idiopathic Arthritis Remote Monitoring 

      van Dijkhuizen, E. H. Pieter; Ridella, Francesca; Naddei, Roberta; Trincianti, Chiara; Avrusin, Ilia; Mazzoni, Marta; Sutera, Diana; Ayaz, Nuray Aktay; Penades, Inmaculada Calvo; Constantin, Tamas; Herlin, Troels; Oliveira, Sheila K.; Rygg, Marite; Sanner, Helga; Susic, Gordana; Sztajnbok, Flavio; Varbanova, Boriana; Ruperto, Nicolino; Ravelli, Angelo; Consolaro, Alessandro (Journal article; Peer reviewed, 2022)