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Education

  • Can. with, University of Oslo
  • PhD, Faculty of Medicine, University of Oslo (1986)

Position

  • Head of Department at the Rheumatology Department, Diakonhjemmet Hospital from 1994 - 2019
  • Professor emeritus, University of Oslo

Field of interest

  • Musculoskeletal diseases
  • Register studies
  • Randomized controlled trials

Other

  • Appointed a knight of the 1st class of the Order of St. Olav for his efforts in rheumatology (2019)
  • Former President of the European Society of Rheumatology
  • Former editor of Annals of Rheumatic Diseases

Email

Telephone

visiting address

Diakonhjemmet hospital
Forstanderboligen
Reidar Kobros vei 8
0370 Oslo

Postal address

Diakohjemmet hospital
PO Box 23 Vinderen
0319 Oslo

Projects

WP1 - Optimized medical interventions

ARCTIC

Remission in patients with rheumatoid arthritis: a randomized controlled trial investigating the use of ultrasound in clinical follow-up

Project Manager:
Espen A. Haavardsholm

Publications

Publications taken from the National Science Archive (NVA):

Effects of tapering conventional synthetic disease-modifying antirheumatic drugs to drug-free remission versus stable treatment in rheumatoid arthritis (ARCTIC REWIND): 3-year results from an open-label, randomized controlled, non-inferiority trial

Kaja Eriksrud Kjørholt, Nina Paulshus Sundlisæter, Anna-Birgitte Aga, Joseph Sexton, Inge Christoffer Olsen, Hallvard Fremstad


The Lancet Rheumatology

2024

Clinical consequences of infliximab immunogenicity and the effect of proactive therapeutic drug monitoring: exploratory analyzes of the randomised, controlled NOR-DRUM trials

Marthe Kirkesæther Brun, Johanna Gehin, Kristin Reine Hammersbøen, David Warren, Rolf Klaasen, Joseph Sexton


The Lancet Rheumatology

2024

Consensus-Based Overarching Principles and Recommendations on the Use of Biosimilars in the Treatment of Inflammatory Arthritis in the Gulf Region

Khalid A. Alnaqbi, Nasra Al Adhoubi, Sara Aldallal, Samar Al Emadi, Adeeba Al-Herz, Amin M. El Shamy


BioDrugs

2024

A validation of register-derived diagnoses of interstitial lung disease in patients with inflammatory arthritis: data from the NOR-DMARD study

Sella Aarrestad Provan, F. Ahlfors, Gunnstein Bakland, Yi Hu, EK Kristianslund, Eirik Ikdahl


Scandinavian Journal of Rheumatology

2024

Performance of the Rheumatoid Arthritis Impact of Disease (RAID) score in relation to flares in disease activity

Karen Holten, Nina Paulshus Sundlisæter, Joseph Sexton, Lena Bugge Nordberg, Till Uhlig, Tore Kristian Aaserud Kvien


RMD Open

2024

Developing and externally validating multinomial prediction models for methotrexate treatment outcomes in patients with rheumatoid arthritis: results from an international collaboration

Celina K. Gehringer, Glen P. Martin, Kimme L. Hyrich, Suzanne MM Verstappen, Joseph Sexton, Eirik Kristianslund


Journal of Clinical Epidemiology

2024

Oral glucocorticoid use in patients with rheumatoid arthritis initiating TNF-inhibitors, tocilizumab or abatacept: Results from the international TOCERRA and PANABA observational collaborative studies

Kim Lauper, Denis Mongin, Sytske Anne Bergstra, Denis Choquette, Catalin Codreanu, Jacques-Eric Gottenberg


Joint Bone Spine

2024

Incidence and outcome of COVID-19 following vaccine and hybrid immunity in patients on immunosuppressive therapy: identification of protective post-immunisation anti-RBD antibody levels in a prospective cohort study

Hilde Sofie Sager Ørbo, Kristin Reine Hammersbøen, Joseph Sexton, Ingrid Jyssum, Anne Therese Tveter, Ingrid Egeland Christensen


RMD Open

2024

Drug effectiveness of 2nd and 3rd TNF inhibitors in psoriatic arthritis – relationship with the reason for withdrawal from the previous treatment

Lykke Midtbøll Ørnbjerg, Cecilie Heegaard Brahe, Louise Linde, Lennart Jacobsson, Michael J. Nissen, Eirik Kristianslund


Joint Bone Spine

2024

Hand osteoarthritis phenotypes based on a biopsychosocial approach, and their associations with cross-sectional and longitudinal pain

Elisabeth Mulrooney, Tuhina Neogi, Hanne Dagfinrud, Hilde Berner Hammer, Pernille Steen Pettersen, Tore Kristian Aaserud Kvien


Osteoarthritis and Cartilage

2024

Ultrasound evaluation contrasts clinical disease activity evaluation in rheumatoid arthritis patients with concomitant anxiety or depression

Brigitte Michelsen, Joseph Sexton, Tore Kristian Aaserud Kvien, Sella Aarestad Provan, Hilde Berner Hammer


Seminars in Arthritis & Rheumatism

2024

Cut-Offs for Disease Activity States in Axial Spondyloarthritis With Ankylosing Spondylitis Disease Activity Score (ASDAS) Based on C-Reactive Protein and ASDAS Based on Erythrocyte Sedimentation Rate: Are They Interchangeable?

Stylianos Georgiadis, Lykke Midtbøll Ørnbjerg, Brigitte Michelsen, Tore Kristian Aaserud Kvien, Daniela Di Giuseppe, Johan K. Wallman


Journal of Rheumatology

2024

Effectiveness of secukinumab in radiographic and non-radiographic axial spondyloarthritis: a European routine-care observational study

Sara Nysom Christiansen, Simon Horskjær Rasmussen, Mikkel Ostergaard, Marion Pons, Brigitte Michelsen, Karel Pavelka


RMD Open

2024

Comparing DAPSA, DAPSA28, and DAS28-CRP in Patients With Psoriatic Arthritis Initiating a First Tumor Necrosis Factor Inhibitor Across Nine European Countries

Louise Linde, Stylianos Georgiadis, Lykke M. Ørnbjerg, Simon H. Rasmussen, Brigitte Michelsen, Johan Askling


Arthritis care & research

2024

Interstitial lung disease in rheumatoid or psoriatic arthritis patients initiating biologics, and controls - data from five Nordic registries

Sella Aarrestad Provan, Eirik Klami Kristianslund, Brigitte Michelsen, Tillmann Uhlig, Joseph Sexton, Tore Kristian Aaserud Kvien


Journal of Rheumatology

2024

T cell responses to repeated SARS-CoV-2 vaccination and breakthrough infections in patients on TNF inhibitor treatment: a prospective cohort study

Asia-Sophia Fumika Michaela Wolf, Kristin Reine Hammersbøen, Hilde Sofie Sager Ørbo, Sabin Bhandari, Guri Solum, Ingrid Fadum Kjønstad


EBioMedicine

2024

Impact of patient characteristics on ASDAS disease activity state cut-offs in axial spondyloarthritis: results from nine European rheumatology registries

Lykke M. Ørnbjerg, Stylianos Georgiadis, Tore Kristian Aaserud Kvien, Brigitte Michelsen, Simon Rasmussen, Karel Pavelka


RMD Open

2024

Evaluation of discontinuation for adverse events of JAK inhibitors and bDMARDs in an international collaboration of rheumatoid arthritis registers (the 'JAK-pot' study)

Romain Aymon, Denis Mongin, Sytske Anne Bergstra, Denis Choquette, Catalin Codreanu, Diederik De Cock


Annals of the Rheumatic Diseases

2023

Lifestyle factors predict gout outcomes: Results from the NOR-Gout longitudinal 2-year treat-to-target study

Till Uhlig, Lars Fridtjof Karoliussen, Joseph Sexton, Tore Kristian Aaserud Kvien, Espen A. Haavardsholm, Hilde Berner Hammer


RMD Open

2023

Definition of rheumatoid arthritis flare based on SDAI and CDAI

Victoria Konzett, Andreas Kerschbaumer, Josef S. Smolen, Eirik Klami Kristianslund, Sella Aarrestad Provan, Tore Kristian Aaserud Kvien


Annals of the Rheumatic Diseases

2023

Adalimumab serum levels and anti-drug antibodies: associations to treatment response and drug survival in inflammatory joint diseases

Ingrid Jyssum, Johanna Gehin, Joseph Sexton, Eirik Kristianslund, Yi Hu, David Warren


Rheumatology

2023

Course and predictors of work productivity in gout - results from the NOR-Gout longitudinal 2-year treat-to-target study

Till Uhlig, Lars Fridtjof Karoliussen, Joseph Sexton, Sella Aarrestad Provan, Tore Kristian Aaserud Kvien, Espen A. Haavardsholm


Rheumatology

2023

Is the risk of infection higher during treatment with secukinumab than with TNF inhibitors? An observational study from the Nordic countries

Bente Glintborg, Daniela Di Giuseppe, Johan K. Wallman, Sella Aarrestad Provan, Dan Nordström, Anna-Mari Hokkanen


Rheumatology

2023

Commonalities and differences in set-up and data collection across European spondyloarthritis registries — results from the EuroSpA collaboration

Louise Linde, Lykke M. Ørnbjerg, Simon H. Rasmussen, Thorvardur Jon Love, Anne Gitte Loft, Jakub Závada


Arthritis Research & Therapy

2023

Improving patient access to biosimilar tumor necrosis factor inhibitors in immune-mediated inflammatory disease: lessons learned from Norway

Guro Løvik Goll, Tore Kristian Aaserud Kvien


Expert Opinion on Biological Therapy

2023

Effect of tapered versus stable treatment with tumor necrosis factor inhibitors on disease flares in patients with rheumatoid arthritis in remission: a randomised, open label, non-inferiority trial

Siri Lillegraven, Nina Paulshus Sundlisæter, Anna-Birgitte Aga, Joseph Sexton, Inge Christoffer Olsen, Åse Lexberg


Annals of the Rheumatic Diseases

2023

Associations between pain sensitization and measures of physical function in people with hand osteoarthritis: Results from the Nor-Hand study

Marthe Gløersen, Pernille Steen Pettersen, Tuhina Neogi, Joseph Sexton, Tore Kristian Aaserud Kvien, Hilde Berner Hammer


Osteoarthritis and Cartilage

2023

Differences and similarities between the EULAR/ASAS-EULAR and national recommendations for treatment of patients with psoriatic arthritis and axial spondyloarthritis across Europe

Brigitte Michelsen, Mikkel Østergaard, Michael John Nissen, Adrian Ciurea, Burkhard Möller, Lykke Midtbøll Ørnbjerg


The Lancet Regional Health - Europe

2023

Discontinuation rate of sulfasalazine, leflunomide and methotrexate due to adverse events in a real-life setting (NOR-DMARD)

Mielnik Pawel, Joseph Sexton, Karen Minde Fagerli, Gunnstein Bakland, Yi Hu, Eirik Kristianslund


Rheumatology - Advances in Practice (Rheumap)

2023

Beliefs about medicines in gout patients: results from the NOR-Gout 2-year study

Till Uhlig, Lars Fridtjof Karoliussen, Joseph Sexton, Tore Kristian Aaserud Kvien, Espen A. Haavardsholm, WJ Taylor


Scandinavian Journal of Rheumatology

2023

Comorbidities in people with hand OA and their associations with pain severity and sensitization: Data from the longitudinal Nor-Hand study

Elisabeth Mulrooney, Tuhina Neogi, Hanne Dagfinrud, Hilde Berner Hammer, Pernille Steen Pettersen, Marthe Gløersen


Osteoarthritis and Cartilage Open

2023

HLA-DQ2 is associated with anti-drug antibody formation to infliximab in patients with immune-mediated inflammatory diseases

Marthe Kirkesæther Brun, Kristin Reine Hammersbøen, Marte Kathrine Viken, Grethe-Elisabeth Stenvik, Rolf Klaasen, Johanna Gehin


Journal of Internal Medicine

2023

Patient Experienced Symptom State in rheumatoid arthritis: sensitivity to change in disease activity and impact

Catia Duarte, Tore Kristian Aaserud Kvien, Joseph Sexton, Eduardo Santos, Maarten De Wit, Laure Gossec


Rheumatology

2023

After JAK inhibitor failure: to cycle or to switch, that is the question - data from the JAK-pot collaboration of registries

Manuel Pombo-Suarez, Carlos Sanchez-Piedra, Juan Gomez-Reino, Kim Lauper, Denis Mongin, Florenzo Iannone


Annals of the Rheumatic Diseases

2022

Treatment Response to Tumor Necrosis Factor Inhibitors and Methotrexate Monotherapy in Adults With Juvenile Idiopathic Arthritis: Data From NOR-DMARD

Imane Bardan, Karen Minde Fagerli, Joseph Sexton, Tore Kristian Aaserud Kvien, Gunnstein Bakland, Mielnik Pawel


Journal of Rheumatology

2022

Controversies in rheumatology: maintenance therapy with low-dose glucocorticoids in rheumatoid arthritis

Frank Buttgereit, Tore Kristian Kvien


Rheumatology

2022

Identification of SNPs associated with methotrexate treatment outcomes in patients with early rheumatoid arthritis

Shrikant Kolan, Gaoyang Li, Franco Grimolizzi, Joseph Sexton, Tore Kristian Kvien, Guro Løvik Goll


Frontiers in Pharmacology

2022

Four SARS-CoV-2 vaccine doses or hybrid immunity in patients on immunosuppressive therapies: a Norwegian cohort study

Kristin H. Bjørlykke, Hilde Sofie Sager Ørbo, Anne Therese Tveter, Ingrid Jyssum, Joseph Sexton, Trung Tran


The Lancet Rheumatology

2022

All-cause and cause-specific mortality in rheumatoid arthritis, psoriatic arthritis and axial spondyloarthritis: a nationwide registry study

Anne Mirjam Kerola, Amirhossein Kazemi, Silvia Christin Hellerud Rollefstad, Siri Lillegraven, Joseph Sexton, Grunde Wibetoe


Rheumatology

2022

The associations of psychological symptoms and cognitive patterns with pain and pain sensitization in people with hand osteoarthritis

Elisabeth Mulrooney, Tuhina Neogi, Hanne Dagfinrud, Hilde Berner Hammer, Pernille Steen Pettersen, Torfinn Lødøen Gaarden


Osteoarthritis and Cartilage Open

2022

Immunogenicity and safety of a three-dose SARS-CoV-2 vaccination strategy in patients with immune-mediated inflammatory diseases on immunosuppressive therapy

Silje Watterdal Syversen, Ingrid Jyssum, Anne Therese Tveter, Joseph Sexton, Ingrid Egeland Christensen, Trung Tran


RMD Open

2022

Fluctuation and change of serum urate levels and flares in gout: results from the NOR-Gout study

Till Uhlig, Lars Fridtjof Karoliussen, Joseph Sexton, Tore Kristian Kvien, Espen A. Haavardsholm, F. Perez-Ruiz


Clinical Rheumatology

2022

The persistence of anti-Spike antibodies following two SARS-CoV-2 vaccine doses in patients on immunosuppressive therapy compared to healthy controls—a prospective cohort study

Ingrid Egeland Christensen, Ingrid Jyssum, Anne Therese Tveter, Joseph Sexton, Trung Tran, Siri Mjaaland


BMC Medicine

2022

Switching from One Biosimilar to Another Biosimilar of the Same Reference Biologic: A Systematic Review of Studies

Hillel P. Cohen, Sohaib Hachaichi, Wolfram Bodenmueller, Tore Kristian Kvien, Silvio Danese, Andrew Blauvelt


BioDrugs

2022

Risk factors for anti-drug antibody formation to infliximab: Secondary analyzes of a randomized controlled trial

Marthe Kirkesæther Brun, Guro Løvik Goll, Kristin Kaasen Jørgensen, Joseph Sexton, Johanna Elin Gehin, Øystein Sandanger


Journal of Internal Medicine

2022

EULAR 75-year anniversary: ​​Commentaries on key ARD papers from 1947

Tore Kristian Kvien


Annals of the Rheumatic Diseases

2022

Immunogenicity and Safety of Standard and Third-Dose SARS-CoV-2 Vaccination in Patients Receiving Immunosuppressive Therapy

Silje Watterdal Syversen, Ingrid Jyssum, Anne Therese Tveter, Trung Tran, Joseph Sexton, Sella Aarrestad Provan


Arthritis & Rheumatology

2022

Effectiveness of TNF-inhibitors, abatacept, IL6-inhibitors and JAK-inhibitors in 31,846 patients with rheumatoid arthritis in 19 registers from the JAK-pot' collaboration

Kim Lauper, Michele Ludici, Denis Mongin, Sytske Anne Bergstra, Denis Choquette, Catalin Codreanu


Annals of the Rheumatic Diseases

2022

Using observational study data as an external control group for a clinical trial: an empirical comparison of methods to account for longitudinal missing data

Vibeke Norvang, Espen A. Haavardsholm, Sara K. Tedeschi, Houchen Lyu, Joseph Sexton, Maria Dahl Mjaavatten


BMC Medical Research Methodology

2022

Multiomics analysis of rheumatoid arthritis yields sequence variants that have large effects on the risk of the seropositive subset

Saedis Saevarsdottir, Lilja Stefansdottir, Patrick Sulem, Gudmar Thorleifsson, Egil Ferkingstad, Gudrun Rutsdottir


Annals of the Rheumatic Diseases

2022

Urate crystal deposition is associated with inflammatory markers and carotid artery pathology in patients with intercritical gout: results from the NOR-Gout study

Hilde Berner Hammer, Silvia Christin Hellerud Rollefstad, Anne Grete Semb, Gro Elisabeth Jensen, Lars Fridtjof Karoliussen, L Terslev


RMD Open

2022

Real-World Six- and Twelve-Month Drug Retention, Remission, and Response Rates of Secukinumab in 2,017 Patients With Psoriatic Arthritis in Thirteen European Countries

Brigitte Michelsen, Stylianos Georgiadis, Daniela Di Giuseppe, Anne G. Loft, Michael J. Nissen, Florenzo Iannone


Arthritis care & research

2022

The cost savings of biosimilars can help increase patient access and lift the financial burden of health care systems

Tore Kristian Kvien, Kashyap Patel, Vibeke Strand


Seminars in Arthritis & Rheumatism

2022

Psoriatic arthritis, axial spondyloarthritis and rheumatoid arthritis in Norway: nationwide prevalence and use of biologic agents

AM Kerola, Silvia Christin Hellerud Rollefstad, Amirhossein Kazemi, Grunde Wibetoe, Joseph Sexton, N. Mars


Scandinavian Journal of Rheumatology

2022

One- and 2-year flare rates after treat-to-target and tight-control therapy of gout: results from the NOR-Gout study

Till Uhlig, Lars Fridtjof Karoliussen, Joseph Sexton, Tore Kristian Kvien, Espen A. Haavardsholm, Fernando Perez-Ruiz


Arthritis Research & Therapy

2022

Inflammation and biologic therapy in patients with rheumatoid arthritis achieving versus not achieving ACR/EULAR Boolean remission in a treat-to-target study

Nina Beate Paulshus Sundlisæter, Ulf Gunnar Sundin, Anna-Birgitte Aga, Joseph Sexton, Hilde Berner Hammer, Till Uhlig


RMD Open

2022

Associations of Body Mass Index With Pain and the Mediating Role of Inflammatory Biomarkers in People With Hand Osteoarthritis

Marthe Gløersen, Pernille Steen Pettersen, Tuhina Neogi, S. Reza Jafarzadeh, Maria Vistnes, Christian S. Thudium


Arthritis & Rheumatology

2022

Associations of pain sensitization with tender and painful joint counts in people with hand osteoarthritis: results from the Nor-Hand study

Marthe Gløersen, Pernille Steen Pettersen, Tuhina Neogi, Barbara Slatkowsky-Christensen, Tore Kristian Kvien, Karin Magnusson


RMD Open

2022

Study protocol for the follow-up examination of the Nor-Hand study: A hospital-based observational cohort study exploring pain and biomarkers in people with hand osteoarthritis

Marthe Gløersen, Pernille Steen Pettersen, Øystein Gunnar Maugesten, Elisabeth Mulrooney, Alexander Mathiessen, Heidi Gammelsrud


Osteoarthritis and Cartilage Open

2021

Humoral and cellular immune responses to two and three doses of SARS-CoV-2 vaccines in rituximab-treated patients with rheumatoid arthritis: a prospective, cohort study

Ingrid Jyssum, Hassen Kared, Trung Tran, Anne Therese Tveter, Sella Aarrestad Provan, Joseph Sexton


The Lancet Rheumatology

2021

Two-year reduction of dual-energy CT urate deposits during a treat-to-target strategy in gout in the NOR-Gout longitudinal study.

Till Uhlig, Tron Hovind Eskild, Lars Fridtjof Karoliussen, Joseph Sexton, Tore Kristian Kvien, Espen A. Haavardsholm


Rheumatology

2021

Effect of Therapeutic Drug Monitoring vs Standard Therapy During Maintenance Infliximab Therapy on Disease Control in Patients With Immune-Mediated Inflammatory Diseases: A Randomized Clinical Trial

Silje Watterdal Syversen, Kristin Kaasen Jørgensen, Guro Løvik Goll, Marthe Kirkesæther Brun, Øystein Sandanger, Kristin Reine Hammersbøen


Journal of the American Medical Association (JAMA)

2021

Development and validation of a patient-reported outcome measure for systemic sclerosis: the EULAR Systemic Sclerosis Impact of Disease (ScleroID) questionnaire.

Mike Oliver Becker, Rucsandra Dobrota, Alexandru Garaiman, Rudolf Debelak, Kim Fligelstone, Ann Tyrrell Kennedy


Annals of the Rheumatic Diseases

2021

Rapid and sustained improvements in patient-reported signs and symptoms with ixekizumab in biologic-naive and TNF-inadequate responder patients with psoriatic arthritis.

Ana-Maria Orbai, Dafna D. Gladman, Hitoshi Goto, Julie A. Birt, Amanda M. Gellett, Chen-Yen Lin


Clinical and Experimental Rheumatology

2021

Incidence, sociodemographic factors and treatment penetration of rheumatoid arthritis and psoriatic arthritis in Norway.

Anne Mirjam Kerola, Joseph Sexton, Grunde Wibetoe, Silvia Christin Hellerud Rollefstad, Cynthia Sue Crowson, Nina Mars


Seminars in Arthritis & Rheumatism

2021

Associations between Fluorescence Optical Imaging and Magnetic Resonance Imaging and symptoms in hand osteoarthritis.

Øystein Gunnar Maugesten, Sarah Ohrndorf, Barbara Therese Slatkovsky Christensen, Tore Kristian Kvien, Till Uhlig, Ida Kristin Bos-Haugen


Rheumatology

2021

Associations Between Safety of Certolizumab Pegol, Disease Activity, and Patient Characteristics, Including Corticosteroid Use and Body Mass Index

Vivian P. Bykerk, Andrew Blauvelt, Jeffrey R. Curtis, Cécile Gaujoux-Viala, Tore Kristian Kvien, Kevin L. Winthrop


ACR Open Rheumatology

2021

Fatigue in patients with early rheumatoid arthritis undergoing treat-to-target therapy: predictors and response to treatment

Karen Holten, Nina Beate Paulshus Sundlisæter, Siri Lillegraven, Joseph Sexton, Lena Kristine Bugge Nordberg, Ellen Moholt


Annals of the Rheumatic Diseases

2021

Associations between joint pathologies and central sensitization in persons with hand osteoarthritis: Results from the Nor-Hand study

Pernille Steen Pettersen, Tuhina Neogi, Karin Magnusson, Alexander Mathiessen, Hilde Berner Hammer, Till Uhlig


Rheumatology

2021

Effectiveness of a Second Biologic After Failure of a Non–tumor Necrosis Factor Inhibitor As First Biologic in Rheumatoid Arthritis

Katerina Chatzidionysiou, Merete Lund Hetland, Thomas Frisell, Daniela Di Giuseppe, Karin Hellgren, Bente Glintborg


Journal of Rheumatology

2021

Serum golimumab concentration and anti-drug antibodies are associated with treatment response and drug survival in patients with inflammatory joint diseases: data from the NOR-DMARD study

Johanna Elin Gehin, David Warren, Silje Watterdal Syversen, Elisabeth Lie, Joseph Sexton, Liz Paucar Loli


Scandinavian Journal of Rheumatology

2021

Serious infections in patients with rheumatoid arthritis and psoriatic arthritis treated with tumor necrosis factor inhibitors: data from register linkage of the NOR-DMARD study

Ingrid Egeland Christensen, Siri Lillegraven, Mielnik Pawel, Gunnstein Bakland, Liz Paucar Loli, Joseph Sexton


Annals of the Rheumatic Diseases

2021

Development and validation of an alternative ankylosing spondylitis disease activity score when patient global assessment is unavailable

Augusta Ortolan, Sofia Ramiro, Floris van Gaalen, Tore Kristian Kvien, Robert BM Landewé, Pedro M. Machado


Rheumatology

2021

The impact of seropositivity on the effectiveness of biologic anti-rheumatic agents: Results from a collaboration of 16 registries

Delphine S. Courvoisier, Katerina Chatzidionysiou, Denis Mongin, Kim Lauper, Xavier Mariette, Jacques Morel


Rheumatology

2021

12-month results from the real-life observational treat-to-target and tight-control therapy NOR-Gout study: Achievements of the urate target levels and predictors of obtaining this target

Till Uhlig, Lars Fridtjof Karoliussen, Joseph Sexton, Tove Borgen, Espen A. Haavardsholm, Tore Kristian Kvien


RMD Open

2021

Rheumatoid factor and falsely elevated results in commercial immunoassays: data from an early arthritis cohort

Johanna Elin Gehin, Rolf Klaasen, ELLEN SAUAR NORLI, David Warren, Silje Watterdal Syversen, Guro Løvik Goll


Rheumatology International

2021

Effect of Half-Dose vs Stable-Dose Conventional Synthetic Disease-Modifying Antirheumatic Drugs on Disease Flares in Patients with Rheumatoid Arthritis in Remission: The ARCTIC REWIND Randomized Clinical Trial

Siri Lillegraven, Nina Beate Paulshus Sundlisæter, Anna-Birgitte Aga, Joseph Sexton, Inge Christoffer Olsen, Hallvard Fremstad


Journal of the American Medical Association (JAMA)

2021

Value of MRI and ultrasound for prediction of therapeutic response and erosive progression in patients with early rheumatoid arthritis managed by an aggressive treat-to-target strategy

Ulf Gunnar Sundin, Nina Beate Paulshus Sundlisæter, Anna-Birgitte Aga, Joseph Sexton, Lena Kristine Bugge Nordberg, Hilde Berner Hammer


RMD Open

2021

Effect of Therapeutic Drug Monitoring vs Standard Therapy During Infliximab Induction on Disease Remission in Patients With Chronic Immune-Mediated Inflammatory Diseases: A Randomized Clinical Trial

Silje Watterdal Syversen, Guro Løvik Goll, Kristin Kaasen Jørgensen, Øystein Sandanger, Joseph Sexton, Inge Christoffer Olsen


Journal of the American Medical Association (JAMA)

2021

Validity and reliability of the EULAR instrument RAID.7 as a tool to assess individual domains of impact of disease in rheumatoid arthritis: A cross-sectional study of 671 patients

Cátia Duarte, Eduardo José Ferreira Santos, Ricardo Jorge de Oliveira Ferreira, Tore Kristian Kvien, Maxime Dougados, Maarten de Wit


RMD Open

2021

Inflammatory hallmarks of lesser prominence in psoriatic arthritis patients starting biologics: A Nordic population-based cohort study

Rebekka Lund Hansen, Tanja Schoedt Jørgensen, Lene Dreyer, Merete Lund Hetland, Bente Glintborg, Johan Askling


Rheumatology

2021

Get a Grip on Factors Related to Grip Strength in Persons With Hand Osteoarthritis: Results From an Observational Cohort Study

Ida Kristin Bos-Haugen, Janni Cecilie Hovind Aaserud, Tore Kristian Kvien


Arthritis care & research

2021

Evaluation of three scoring methods for Fluorescence Optical Imaging in erosive hand osteoarthritis and rheumatoid arthritis

Øystein Gunnar Maugesten, S. Ohrndorf, D. Glinatsi, M. Ammitzbøll-Danielsen, Y. Kisten, M. Østergaard


Osteoarthritis and Cartilage Open

2020

EULAR recommendations for the management of psoriatic arthritis with pharmacological therapies: 2019 update

Laure Gossec, Xenofon Baraliakos, Andreas Kerschbaumer, Maarten De Wit, Iain McInnes, Maxime Dougados


Annals of the Rheumatic Diseases

2020

Fatigue numeric rating scale validity, discrimination and responder definition in patients with psoriatic arthritis

Dafna D. Gladman, Peter Nash, Hitoshi Goto, Julie A. Birt, Chen-Yen Lin, Ana-Maria Orbai


RMD Open

2020

Prediction of cardiovascular events in rheumatoid arthritis using risk age calculations: evaluation of concordance across risk age models

Grunde Wibetoe, Joseph Sexton, Eirik Ikdahl, Silvia Christin Hellerud Rollefstad, George D. Kitas, Piet van Riel


Arthritis Research & Therapy

2020

Validity and diagnostic performance of fluorescence optical imaging measuring synovitis in hand osteoarthritis: baseline results from the Nor-Hand cohort

Øystein Gunnar Maugesten, Alexander Mathiessen, Hilde Berner Hammer, Sigrid Valen Hestetun, Tore Kristian Kvien, Till Uhlig


Arthritis Research & Therapy

2020

Exposure–Response Relationship of Certolizumab Pegol and Achievement of Low Disease Activity and Remission in Patients With Rheumatoid Arthritis

Stéphane Paul, Hubert Marotte, Arthur Kavanaugh, Philippe Goupille, Tore Kristian Kvien, Marc De Longueville


Clinical and Translational Science (CTS)

2020

Drug retention, inactive disease and response rates in 1860 patients with axial spondyloarthritis initiating secukinumab treatment: routine care data from 13 registries in the EuroSpA collaboration

Brigitte Michelsen, Ulf Lindström, Catalin Codreanu, Adrian Ciurea, Jakub Zavada, Anne Gitte Loft


RMD Open

2020

Therapeutic drug monitoring of infliximab compared to standard clinical treatment with infliximab: study protocol for a randomised, controlled, open, parallel-group, phase IV study (The NOR-DRUM study)

Silje Watterdal Syversen, Guro Løvik Goll, Kristin Kaasen Jørgensen, Inge Christoffer Olsen, Øystein Sandanger, Johanna Elin Gehin


Trials

2020

Comparison of remission and low disease activity states with DAPSA, MDA and VLDA in a clinical trial setting in psoriatic arthritis patients: 2-year results from the FUTURE 2 study

Laura Coates, Peter Nash, Tore Kristian Kvien, Laure Gossec, Philip J. Mease, Lawrence Rasouliyan


Seminars in Arthritis & Rheumatism

2020

Impact of discordance between patient's and evaluator's global assessment on treatment outcomes in 14,868 patients with spondyloarthritis

Brigitte Michelsen, Lykke Midtbøll Ørnbjerg, Tore Kristian Kvien, Karel Pavelka, Michael J Nissen, Dan C. Nordström


Rheumatology

2020

Conventional versus ultrasound treat to target: No difference in magnetic resonance imaging inflammation or joint damage over 2 years in early rheumatoid arthritis

Ulf Gunnar Sundin, Anna-Birgitte Aga, Øivind Skare, Lena Kristine Bugge Nordberg, Till Uhlig, Hilde Berner Hammer


Rheumatology

2020

Attainment of the Patient-acceptable Symptom State in 548 patients with rheumatoid arthritis: Influence of demographic factors

Cátia Duarte, Eduardo Santos, Tore Kristian Kvien, Maxime Dougados, Maarten de Wit, Laure Gossec


Joint Bone Spine

2020

Does Older Age have an Impact on Rituximab Efficacy and Safety? Results from the NOR-DMARD Register

Mielnik Pawel, Joseph Sexton, Elisabeth Lie, Gunnstein Bakland, Liz Paucar Loli, Eirik Kristianslund


Drugs & Aging

2020