Academic article

• Camilla Lassen Dreyer; Katrine Brække Norheim; Maria Boge Lauvsnes et al. (2026). Immunoglobulin G and immunoglobulin A anti-Ro52 in plasma and saliva show little association with disease activity in patients with primary Sjögren’s disease. (external link)
• Jens Vikse; Marco Lanzillotta; Elisabetta Goni et al. (2026). Rituximab limits glucocorticoid use in IgG4-related disease: Real-world evidence from a large European cohort. (external link)
• Elisabetta Goni; Jens Vikse; Marco Lanzillotta et al. (2026). Effectiveness and safety of rituximab across the four phenotypes of IgG4-related disease: a European multi-center cohort study. (external link)
• Albin Björk; Johannes Mofors; Lauro Meneghel et al. (2025). A proteomic profile correlates with salivary gland inflammation and disease-associated antibodies in Sjögren’s disease. (external link)
• Mandi M. Wiley; Marcin Radziszewski; Bhuwan Khatri et al. (2025). Variants in the DDX6-CXCR5 autoimmune disease risk locus influence the regulatory network in immune cells and salivary gland. (external link)
• Cecilia Fugmann; Sarah Reid; Pascal Pucholt et al. (2024). A high polygenic risk score is associated with SSA/SSB antibody positivity and early onset in primary Sjögren’s disease. (external link)
• Matteo Bianchi; Sergey V. Kozyrev; Antonella Notarnicola et al. (2024). Unraveling the Genetics of Shared Clinical and Serological Manifestations in Patients With Systemic Inflammatory Autoimmune Diseases. (external link)
• Jens Vikse; Øyvind Midtvedt; Bjørg Tilde Svanes Fevang et al. (2023). Differential sensitivity of the 2020 revised comprehensive diagnostic criteria and the 2019 ACR/EULAR classification criteria across IgG4-related disease phenotypes: results from a Norwegian cohort. (external link)
• Christian Lundtoft; Christopher Sjöwall; Solbritt Rantapää-Dahlqvist et al. (2022). Strong association of combined genetic deficiencies in the classical complement pathway with risk of systemic lupus erythematosus and primary Sjögren's syndrome. (external link)
• Christian Lundtoft; Pascal Pucholt; Myriam Martin et al. (2022). Complement C4 Copy Number Variation is Linked to SSA/Ro and SSB/La Autoantibodies in Systemic Inflammatory Autoimmune Diseases. (external link)
• Bhuwan Khatri; Kandice L. Tessneer; Astrid Rasmussen et al. (2022). Genome-wide association study identifies Sjögren’s risk loci with functional implications in immune and glandular cells. (external link)
• Juliana Imgenberg-Kreuz; Johanna K. Sandling; Katrine Brække Norheim et al. (2021). DNA Methylation-Based Interferon Scores Associate With Sub-Phenotypes in Primary Sjögren’s Syndrome. (external link)
• Katrine Brække Norheim; Juliana Imgenberg-Kreuz; Andrei Alexsson et al. (2021). Genetic variants at the RTP4/MASP1 locus are associated with fatigue in Scandinavian patients with primary Sjögren’s syndrome. (external link)
• Gudny Ella Thorlacius; Lina Hultin-Rosenberg; Johanna K. Sandling et al. (2020). Genetic and clinical basis for two distinct subtypes of primary Sjögren's syndrome. (external link)
• Arne Carlsen; Tore Grimstad; Lars Normann Karlsen et al. (2019). A case of Menetriere's disease treated with the monoclonal antibody cetuximab. (external link)
• Anne Bolette Tjensvoll; Maria Boge Lauvsnes; Katrine Brække Norheim et al. (2019). Severe headache in primary Sjögren's syndrome treated with intrathecal rituximab. (external link)
• Eivind Larssen; Cato Brede; Anne Hjelle et al. (2019). Fatigue in primary Sjögren's syndrome: A proteomic pilot study of cerebrospinal fluid. (external link)
• Gudny Ella Thorlacius; Lina Hultin-Rosenberg; Johanna K. Sandling et al. (2018). Biomarker Discovery for Diagnosis and Stratification. (external link)
• Solveig Kristina Hammonds; Maria Boge Lauvsnes; Ingvild Dalen et al. (2017). No structural cerebral MRI changes related to fatigue in patients with primary Sjögren’s syndrome. (external link)
• Jens Vikse; Claudia Zaharia; Hans Jakob Gilje Jaatun et al. (2017). En kvinne i 60-årene med diare og leddsmerter. (external link)
• Inger Marie Skoie; Ingvild Dalen; Thomas Ternowitz et al. (2017). Fatigue in psoriasis: a controlled study. (external link)
• Jorge I. Ramirez Sepúlveda; Marika Kvarnström; Per Eriksson et al. (2017). Long-term follow-up in primary Sjogren's syndrome reveals differences in clinical presentation between female and male patients. (external link)
• Jens Vikse; Sven Håland; Katrine Brække Norheim (2017). IgG4-relatert sykdom. (external link)
• Kjetil Bårdsen; Mari Mæland; Jan Terje Kvaløy et al. (2016). Heat shock proteins and chronic fatigue in primary Sjögren's syndrome. (external link)
• Izabella Surowiec; Clara Gram Gjesdal; Grete Jonsson et al. (2016). Metabolomics study of fatigue in patients with rheumatoid arthritis naïve to biological treatment. (external link)
• Tore Grimstad; Katrine Brække Norheim; Jan Terje Kvaløy et al. (2016). Conventional treatment regimens for ulcerative colitis alleviate fatigue – an observational cohort study. (external link)
• Katrine Brække Norheim; Juliana Imgenberg-Kreuz; Kristin Jonsdottir et al. (2016). Epigenome-wide DNA methylation patterns associated with fatigue in primary Sjögren's syndrome. (external link)
• Juliana Imgenberg-Kreuz; Johanna K. Sandling; Jonas Carlsson Almlöf et al. (2016). Genome-wide DNA methylation analysis in multiple tissues in primary Sjögren’s syndrome reveals regulatory effects at interferon-induced genes. (external link)
• Tore Grimstad; Katrine Brække Norheim; Kjetil Isaksen et al. (2015). Fatigue in Newly Diagnosed Inflammatory Bowel Disease.. (external link)
• Katrine Brække Norheim; Stephanie Le Hellard; Gunnel Nordmark et al. (2014). A possible genetic association with chronic fatigue in primary Sjögren’s syndrome: a candidate gene study. (external link)
• Anne Marit Mengshoel; Katrine Brække Norheim; Roald Omdal (2014). Primary Sjögren's syndrome - fatigue is an ever-present, fluctuating and uncontrollable lack of energy. (external link)
• Marita Hanasand; Roald Omdal; Katrine Brække Norheim et al. (2012). Improved detection of advanced oxidation protein products in plasma. (external link)
• Katrine Brække Norheim; Erna Harboe; Lasse G Gøransson et al. (2012). Interleukin-1 inhibition and fatigue in primary Sjögren's Syndrome - a double blind, randomised clinical trial. (external link)
• Katrine Brække Norheim; Grete Jonsson; Erna Harboe et al. (2012). Oxidative stress, as measured by protein oxidation, is increased in primary Sjögren's syndrome. (external link)
• Katrine Brække Norheim; Sabine Leh; Lasse G Gøransson (2011). Crescentic glomerulonephritis and microangiopathic haemolytic anaemia in a patient with established systemic sclerosis. (external link)

Academic book chapter

• Roald Omdal; Katrine Brække Norheim (2016). Fatigue, pain, and quality of life. (external link)

Academic literature review

• Oddbjørn Bjordal; Katrine Brække Norheim; Eyvind Rødahl et al. (2019). Primary Sjögren's syndrome and the eye. (external link)
• Roald Omdal; Svein Ivar Mellgren; Katrine Brække Norheim (2019). Pain and fatigue in primary Sjögren's syndrome. (external link)
• Jens Vikse; Stein Ørn; Bas Jeroen de Romijn et al. (2018). Kardial sarkoidose. (external link)
• Tore Grimstad; Katrine Brække Norheim (2016). Utmattelse ved inflammatorisk tarmsykdom. (external link)
• Inger Marie Skoie; Thomas Ternowitz; Grete Jonsson et al. (2015). Fatigue in psoriasis: a phenomenon to be explored. (external link)
• Katrine Brække Norheim; Grete Jonsson; Roald Omdal (2011). Biological mechanisms of chronic fatigue. (external link)

Conference abstract

• Eivind Larssen; C Brede; Anne Hjelle et al. (2015). Fatigue in Primary Sjögrens Syndrome : A Proteomic Study of Cerebrospinal Fluid. (external link)
• Katrine Brække Norheim; Erna Harboe; Roald Omdal (2010). Improvement of fatigue by interleukin-1 inhibition. (external link)

Conference poster

• Jorge I. Ramirez Sepúlveda; Marika Kvarnström; Susanna Brauner et al. (2017). Difference in clinical presentation between female and male patients with primary Sjögren’s syndrome at diagnosis and in long-term follow-up. (external link)

Doctoral thesis (PhD)

• Katrine Brække Norheim (2012). Biological mechanisms of chronic fatigue. (external link)

Journal corrigendum

• Bhuwan Khatri; Kandice L. Tessneer; Astrid Rasmussen et al. (2023). Author Correction: Genome-wide association study identifies Sjögren’s risk loci with functional implications in immune and glandular cells (Nature Communications, (2022), 13, 1, (4287), 10.1038/s41467-022-30773-y). (external link)
• Bhuwan Khatri; Kandice L. Tessneer; Astrid Rasmussen et al. (2022). Erratum: Author Correction: Genome-wide association study identifies Sjögren's risk loci with functional implications in immune and glandular cells (Nature communications (2022) 13 1 (4287)). (external link)

Letter to the editor

• Jens Vikse; Lasse Gunnar Gøransson; Katrine Brække Norheim (2019). Systemic capillary leak syndrome following bosentan treatment in a patient with systemic sclerosis. (external link)

Study protocol

• Marthe Gløersen; Ingvild Kjeken; Anne Therese Tveter et al. (2025). Study protocol for the PICASSO trial: A randomized placebo-controlled trial to investigate the efficacy and safety of intraarticular steroid injections and an occupational therapy intervention in painful inflammatory carpometacarpal-1 osteoarthritis. (external link)

See a complete overview of publications in NVA.