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Education

  • Doctor (MD) at the Faculty of Medicine, University of Oslo (2013)
  • Doctoral degree (PhD) at the Faculty of Medicine, University of Oslo (2013)

Score

  • Postdoc., Clinic for rheumatology, outpatient clinic and research, Diakonhjemmet hospital
  • Senior physician in rheumatology, Clinic for rheumatology, outpatient clinic and research, Diakonhjemmet hospital

Field of interest

  • Inflammatory joint diseases
  • Arthritis (rheumatoid arthritis, RA)
  • Inflammatory back disorders (axial spondyloarthritis, SpA)
  • Psoriatic arthritis (psoriatic arthritis, PsA)
  • Physical activity
  • Therapeutic drug monitoring
  • Digital home monitoring
  • Randomized controlled trials
  • Observational studies

Other

  • Head of the Norwegian Interdisciplinary Organization in Rheumatology (NIOR)

Email

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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 FORWARD

10-year follow-up of patients with rheumatoid arthritis who received structured treatment-to-target therapy in the early disease phase.

Project Manager:
Siri Lillegraven
WP1 - Optimized medical interventions

MethMax

Maximization of treatment effect

Project Manager:
Siri Lillegraven
WP6 - Dechiphering long-term outcomes

NOR-DMARD

The Norwegian register for antirheumatic drugs

Project Manager:
Tore K. Kvien
WP5 - Innovative approaches to remote care

NOR Flare

Distance follow-up of patients with rheumatoid arthritis

Project Manager:
Anne Therese Tveter
WP1 - Optimized medical interventions

RA DRUM

Therapeutic drug monitoring in patients with rheumatoid arthritis (RA-DRUM)

Project Manager:
Silje Watterdal Syversen
WP5 - Innovative approaches to remote care

ReMonit

Digital home follow-up of patients with spondyloarthritis

Project Manager:
Nina Østerås
WP5 - Innovative approaches to remote care

ReMonit Gout

Digital home follow-up and management of gout

Project Manager:
Nina Østerås
WP7 - Empowering the individual

KICK

SPondylaritis Condition

Project Manager:
Sell ​​Aarrestad Provan
WP1 - Optimized medical interventions

SQUEEZE

Maximizing the effect of prescription drugs in rheumatoid arthritis 

Project Manager:
Espen A. Haavardsholm

Publications

Publications taken from the National Science Archive (NVA):

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

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

Follow-Up of Patients With Axial Spondyloarthritis in Specialist Health Care With Remote Monitoring and Self-Monitoring Compared With Regular Face-to-Face Follow-Up Visits (the ReMonit Study): Protocol for a Randomized, Controlled Open-Label Noninferiority Trial

Inger Jorid Berg, Anne Therese Tveter, Gunnstein Bakland, Sarah Hakim, Eirik Kristianslund, Siri Lillegraven


JMIR Research Protocols

2023

Sex differences in the effectiveness of first-line tumor necrosis factor inhibitors in axial spondyloarthritis: Results from the EuroSpA Research Collaboration Network

Pasoon Hellamand, Marleen Van De Sande, Lykke Midtbøll Ørnbjerg, Thomas Klausch, Michael T Nurmohamed, Ronald F Van Vollenhoven


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

Second and third TNF inhibitors in European patients with axial spondyloarthritis: effectiveness and impact of the reason for switching

Louise Linde, Lykke Midtbøll Ørnbjerg, Cecilie Heegaard Brahe, Johan Karlsson Wallman, Daniela Di Giuseppe, Jakub Závada


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

Willingness, perceived facilitators and barriers to use remote care among healthcare professionals – a cross-sectional study

Emil Eirik Kvernberg Thomassen, Inger Jorid Berg, Eirik Klami Kristianslund, Anne Therese Tveter, Nina Østerås


BMC Health Services Research

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

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

How does current disease activity in rheumatoid arthritis affect the short-term risk of acute coronary syndrome? A clinical register based study from Sweden and Norway

Bénédicte Delcoigne, Sella Aarrestad Provan, Eirik Kristianslund, Johan Askling, Lotta Ljung


European journal of internal medicine

2023

Uptake and effectiveness of newer biologic and targeted synthetic disease-modifying antirheumatic drugs in psoriatic arthritis: results from five Nordic biologics registries

Bente Glintborg, Daniela Di Giuseppe, Johan Karlsson Wallman, Dan C Nordström, Bjorn Gudbjornsson, Merete Lund Hetland


Annals of the Rheumatic Diseases

2023

Exposure to specific tumor necrosis factor inhibitors and risk of demyelinating and inflammatory neuropathy in cohorts of patients with inflammatory arthritis: a collaborative observational study across five Nordic rheumatology registers

Benedicte Delcoigne, Tine Iskov Kopp, Elizabeth V. Arkema, Karin Hellgren, Sella Aarrestad Provan, Heikki Relas


RMD Open

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

European bio-naïve spondyloarthritis patients initiating TNF inhibitor: time trends in baseline characteristics, treatment retention and response

Sara Nysom Christiansen, Lykke Midtbøll Ørnbjerg, Simon Horskjær Rasmussen, Anne Gitte Loft, Johan Askling, Florenzo Iannone


Rheumatology

2022

Predictors of ASDAS-CRP inactive disease in axial spondyloarthritis during treatment with TNF-inhibitors: Data from the EuroSpA collaboration

Lykke M. Ørnbjerg, Louise Linde, Stylianos Georgiadis, Simon H. Rasmussen, Ulf Lindström, Johan Askling


Seminars in Arthritis & Rheumatism

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

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

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

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

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

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

The Patient Experienced Symptom State (PESS): a patient-reported global outcome measure that may better reflect disease remission status

Cátia Duarte, Eduardo Santos, Jose Da Silva, Eirik Kristianslund, Tore Kristian Kvien, Maxime Dougados


Rheumatology

2020

Treatment response and drug retention rates in 24,195 biologic-naïve patients with axial spondyloarthritis initiating TNFi treatment: routine care data from 12 registries in the EuroSpA collaboration

Lykke Midtbøll Ørnbjerg, Cecilie Heegaard Brahe, Johan Askling, Adrian Ciurea, Herman Mann, Fatos Onen


Annals of the Rheumatic Diseases

2019

Drug Retention of Biological DMARDs in Rheumatoid Arthritis Patients: The Role of Baseline Characteristics and Disease Evolution

Kim Lauper, Denis Mongin, Deshiré Alpizar-Rodriguez, Catalin Codreanu, Florenzo Iannone, Eirik Kristianslund


Rheumatology

2019

Comparative Effectiveness of TNF Inhibitors and Tocilizumab With and Without Conventional Synthetic Disease-Modifying Antirheumatic Drugs in a pan-European Observational Cohort of Bio-Naïve Patients With Rheumatoid Arthritis

Kim Lauper, Denis Mongin, Florenzo Iannone, Eirik Kristianslund, Tore Kristian Kvien, Dan C. Nordström


Seminars in Arthritis & Rheumatism

2019

Retention and Response Rates in 14,261 PsA Patients Starting TNF Inhibitor Treatment-Results From 12 Countries in EuroSpA

Cecilie Heegaard Brahe, Ørnbjerg Lykke Midtbøll, Jacobsson Lennart, Nissen Michael J, Eirik Kristianslund, Herman Mann


Rheumatology

2019

Imputing Missing Data of Function and Disease Activity in Rheumatoid Arthritis Registers: What Is the Best Technique?

Denis Mongin, Kim Lauper, Carl Turesson, Merete Lund Hetland, Eirik Kristianslund, Tore Kristian Kvien


RMD Open

2019

No Association Between Risk of Anterior Cruciate Ligament Rupture and Selected Candidate Collagen Gene Variants in Female Elite Athletes From High-Risk Team Sports

Einar Sivertsen, Kari Bente Foss, Eirik Kristianslund, Anne-Marie Siebke, Jari Parkkari, Terho Lehtimäki


American Journal of Sports Medicine

2019

Biological treatment in ankylosing spondylitis in the Nordic countries during 2010-2016: a collaboration between five biological registries

Bente Glintborg, Ulf Lindström, Kalle Aaltonen, Eirik Kristianslund, Björn Guðbjörnsson, Katerina Chatzidionysiou


Scandinavian Journal of Rheumatology

2018

Predicting achievement of the treatment targets at 6 months from 3-month response levels in rheumatoid arthritis: data from real-life follow-up in the NOR-DMARD study

Vibeke Norvang, Joseph Sexton, Eirik Kristianslund, Inge Christoffer Olsen, Till Uhlig, Gunnstein Bakland


RMD Open

2018

Comparative effectiveness of subcutaneous tocilizumab versus intravenous tocilizumab in a pan-European collaboration of registries

Kim Lauper, Denis Mongin, Florenzo Iannone, Eirik Kristianslund, Tore Kristian Kvien, Dan C. Nordström


RMD Open

2018

Normative Quadriceps and Hamstring Muscle Strength Values ​​for Female, Healthy, Elite Handball and Football Players

May Arna Risberg, Kathrin Steffen, Agnethe Nilstad, Grethe Myklebust, Eirik Kristianslund, Marie M. Moltubak


Journal of Strength and Conditioning Research

2018

Comparative effectiveness of tocilizumab versus TNF inhibitors as monotherapy or in combination with conventional synthetic disease-modifying antirheumatic drugs in patients with rheumatoid arthritis after the use of at least one biologic disease-modifying antirheumatic drug: analyzes from the pan-European TOCERRA register collaboration

Kim Lauper, Dan C. Nordström, Karel Pavelká, María Victoria Hernández, Tore Kristian Kvien, Eirik Kristianslund


Annals of the Rheumatic Diseases

2018

Opportunities and challenges for real-world studies on chronic inflammatory joint diseases through data enrichment and collaboration between national registers: the Nordic example

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


RMD Open

2018

Health-related quality of life in patients with psoriatic and rheumatoid arthritis: Data from the prospective multicentre NOR-DMARD study compared with Norwegian general population controls

Brigitte Michelsen, Till Uhlig, Joseph Sexton, Desirée van der Heijde, Hilde Berner Hammer, Eirik Kristianslund


Annals of the Rheumatic Diseases

2018

Do depression and anxiety reduce the likelihood of remission in rheumatoid arthritis and psoriatic arthritis? Data from the prospective multicentre NOR-DMARD study

Brigitte Michelsen, Eirik Kristianslund, Joseph Sexton, Hilde Berner Hammer, Karen Minde Fagerli, Elisabeth Lie


Annals of the Rheumatic Diseases

2017

Discordance between tender and swollen joint count as well as patient's and evaluator's global assessment may reduce likelihood of remission in patients with rheumatoid arthritis and psoriatic arthritis: data from the prospective multicentre NOR-DMARD study

Brigitte Michelsen, Eirik Kristianslund, Hilde Berner Hammer, Karen Minde Fagerli, Elisabeth Lie, Ada Wierød


Annals of the Rheumatic Diseases

2017

Association between Lower Extremity Muscle Strength and Noncontact ACL Injuries

Kathrin Steffen, Agnethe Nilstad, Eirik Kristianslund, Grethe Myklebust, Roald Bahr, Tron Krosshaug


Medicine & Science in Sports & Exercise

2016

The Vertical Drop Jump Is a Poor Screening Test for ACL Injuries in Female Elite Soccer and Handball Players : A Prospective Cohort Study of 710 Athletes

Tron Krosshaug, Kathrin Steffen, Eirik Kristianslund, Agnethe Nilstad, Kam-Ming Mok, Grethe Myklebust


American Journal of Sports Medicine

2016

The effect of thigh marker placement on knee valgus angles in vertical drop jumps and sidestep cutting

Kam-Ming Mok, Eirik Kristianslund, Tron Krosshaug


Journal of Applied Biomechanics

2015

Physiotherapists Can Identify Female Football Players With High Knee Valgus Angles During Vertical Drop Jumps Using Real-Time Observational Screening

Agnethe Nilstad, Thor Einar Andersen, Eirik Kristianslund, Roald Bahr, Grethe Myklebust, Kathrin Steffen


Journal of Orthopedic and Sports Physical Therapy

2014

Expressing the joint moments of drop jumps and sidestep cutting in different reference frames – does it matter?

Eirik Kristianslund, Tron Krosshaug, Kam-Ming Mok, Scott McLean, Antonie J. van den Bogert


Journal of Biomechanics

2014

Sidestep cutting technique and knee abduction loading: implications for ACL prevention exercises

Eirik Kristianslund, Oliver Faul, Roald Bahr, Grethe Myklebust, Tron Krosshaug


British Journal of Sports Medicine

2014

Comparison of Drop Jumps and Sport-Specific Sidestep Cutting Implications for Anterior Cruciate Ligament Injury Risk Screening

Eirik Kristianslund, Tron Krosshaug


American Journal of Sports Medicine

2013

Effect of low pass filtering on joint moments from inverse dynamics: Implications for injury prevention

Eirik Kristianslund, Tron Krosshaug, Antonie J. van den Bogert


Journal of Biomechanics

2012