Publications

Siri Lillegraven, Nina Paulshus Sundlisæter, Anna-Birgitte Aga, Joseph Sexton, Inge Christoffer Olsen, Åse Stavland Lexberg, Tor Magne Madland, Hallvard Fremstad, Christian A. Høili, Gunnstein Bakland, Cristina Spada, Hilde Haukeland, Inger Myrnes Hansen, Ellen Moholt, Till Uhlig, Daniel H. Solomon, Désirée van der Heijde, Tore K. Kvien, Espen A. Haavardsholm (2023). Effect of tapered versus stable treatment with tumour necrosis factor inhibitors on disease flares in patients with rheumatoid arthritis in remission: a randomised, open label, non-inferiority trial. Annals of the Rheumatic Diseases.

Mikkel Østergaard, Ronald F. van Vollenhoven, Anna Rudin, Merete Lund Hetland, Marte Schrumpf Heiberg, Dan C. Nordström, Michael T. Nurmohamed, Bjorn Gudbjornsson, Lykke Midtbøll Ørnbjerg, Pernille Bøyesen, Kristina Lend, Kim Hørslev-Petersen, Till Uhlig, Tuulikki Sokka, Gerdur Grondal, Simon Krabbe, Joakim Lindqvist, Inger Gjertsson, Daniel Glinatsi, Meliha Crnkic Kapetanovic, Anna-Birgitte Aga, Francesca Faustini, Pinja Parmanne, Tove Lorenzen, Cagnotto Giovanni, Johan Back, Oliver Hendricks, Daisy Vedder, Tuomas Rannio, Emma Grenholm, Maud Kristine Ljoså, Eli Brodin, Hanne Lindegaard, Annika Söderbergh, Milad Rizk, Alf Kastbom, Per Larsson, Line Uhrenholt, Søren Andreas Just, David J. Stevens, Trine Bay Laurbjerg, Gunnstein Bakland, Inge Christoffer Olsen, Espen A. Haavardsholm, Jon Lampa, NORD-STAR study group (2023). Certolizumab pegol, abatacept, tocilizumab or active conventional treatment in early rheumatoid arthritis: 48-week clinical and radiographic results of the investigator-initiated randomised controlled NORD-STAR trial. Annals of the Rheumatic Diseases.

Erica Telford, Beatriz Grinsztejn, Inge Christoffer Olsen, Nicolas Pulik, France Mentré, Skerdi Haviari, Maxime Hentzien, Olivier Ségéral, Miquel B. Ekkelenkamp, Dimie Ogoina, Nathalie Strub-Wourgaft, Alpha Diallo, Yazdan Yazdanpanah, Alexandra Calmy (2023). The international Unity study for antivirals against mpox is a blueprint for future epidemics. Nature Medicine.

Alain Amstutz, Benjamin Speich, France Mentré, Corina Silvia Rueegg, Drifa Belhadi, Lambert Assoumou, Charles Burdet, Srinivas Murthy, Lori Elizabeth Dodd, Yeming Wang, Kari A. O. Tikkinen, Florence Ader, Maya Hites, Maude Bouscambert, Mary Anne Trabaud, Mike Fralick, Todd C. Lee, Ruxandra Pinto, Andreas Barratt-Due, Fridtjof Lund-Johansen, Fredrik Müller, Olli P. O. Nevalainen, Bin Cao, Tyler Bonnett, Alexandra Griessbach, Ala Taji Heravi, Christof Schönenberger, Perrine Janiaud, Laura Werlen, Soheila Aghlmandi, Stefan Schandelmaier, Yazdan Yazdanpanah, Dominique Costagliola, Inge Christoffer Olsen, Matthias Briel (2023). Effects of remdesivir in patients hospitalised with COVID-19: a systematic review and individual patient data meta-analysis of randomised controlled trials. The Lancet. Respiratory Medicine.

Vida Terzić, Léa Levoyer, Mélanie Figarella, Elisabetta Bigagli, Noémie Mercier, Lucie De Gastines, Séverine Gibowski, Marius Trøseid, Jacques Demotes, Inge Christoffer Olsen, Maya Hites, Florence Ader, José Ramón Arribas Lopez, France Mentré, Hélène Esperou, Dominique Costagliola, John-Arne Røttingen, Julien Poissy, Jean-Christophe Rozé, Adilia Warris, Jackie O'Leary, Ricardo M. Fernandes, Lambert Assoumou, Regis Hankard, Mark A. Turner, Yazdan Yazdanpanah, Alpha Diallo, EU-Response safety group, c4c safety group (2023). Implementation of a centralized pharmacovigilance system in academic pan-European clinical trials: Experience from EU-Response and conect4children consortia. British Journal of Clinical Pharmacology.

Liv Cathrine Heggebø, Ida Maria Henriksen Borgen, Hillevi Rylander, Cecilie Kiserud, Tonje Haug Nordenmark, Taran Paulsen Hellebust, Morten Egeberg Evensen, Magnus Gustavsson, Christina Ramberg, Mette Sprauten, Henriette Magelssen, Hanne Blakstad, Janani Moorthy, Karin Andersson, Ingela Raunert, Thomas Henry, Cecilie Moe, Carin Granlund, Dorota Goplen, Jorunn Brekke, Tor-Christian Aase Johannessen, Tora Skeidsvoll Solheim, Kirsten Marienhagen, Øyvind Humberset, Per Bergström, Måns Agrup, Ludvig Dahl, Michael Gubanski, Helene Gojon, Carl-Johan Brahme, Isabelle Rydén, Asgeir S. Jakola, Einar O. Vik-Mo, Hanne C. Lie, Lars Asphaug, Maziar Hervani, Ingrid Kristensen, Corina Silvia Rueegg, Inge C. Olsen, Rolf J. Ledal, Eskil Degsell, Katja Werlenius, Malin Blomstrand, Petter Brandal (2023). Investigating survival, quality of life and cognition in PROton versus photon therapy for IDH-mutated diffuse grade 2 and 3 GLIOmas (PRO-GLIO): a randomised controlled trial in Norway and Sweden. BMJ open.

Marius Trøseid, José R. Arribas, Lambert Assoumou, Aleksander Rygh Holten, Julien Poissy, Vida Terzić, Fulvia Mazzaferri, Jesús Rodríguez-Baño, Joe Eustace, Maya Hites, Michael Joannidis, José Artur Paiva, Jean Reuter, Isabel Püntmann, Thale D. J. H. Patrick-Brown, Elin Westerheim, Katerina Nezvalova-Henriksen, Lydie Beniguel, Tuva Børresdatter Dahl, Maude Bouscambert, Monika Halanova, Zoltan Peterfi, Sotirios Tsiodras, Michael Rezek, Matthias Briel, Serhat Unal, Martin Schlegel, Florence Ader, Karine Lacombe, Cecilie Delphin Amdal, Serge Rodrigues, Kristian Tonby, Alexandre Gaudet, Lars Heggelund, Joy Mootien, Asgeir Johannessen, Jannicke Horjen Møller, Beatriz Diaz Pollan, Anders Aune Tveita, Anders Benjamin Kildal, Jean-Christophe Richard, Olav Dalgard, Victoria Charlotte Simensen, Aliou Baldé, Lucie De Gastines, Marta del Álamo, Burç Aydin, Fridtjof Lund-Johansen, Mary Anne Trabaud, Alpha Diallo, Bente Halvorsen, John-Arne Røttingen, Evelina Tacconelli, Yazdan Yazdanpanah, Inge C. Olsen, Dominique Costagliola, EU SolidAct study group (2023). Efficacy and safety of baricitinib in hospitalized adults with severe or critical COVID-19 (Bari-SolidAct): a randomised, double-blind, placebo-controlled phase 3 trial. Critical Care (London, England).

Marthe Kirkesaether Brun, Guro Løvik Goll, Kristin Kaasen Jørgensen, Joseph Sexton, Johanna Elin Gehin, Øystein Sandanger, Inge Christoffer Olsen, Rolf Anton Klaasen, David John Warren, Cato Mørk, Tore K. Kvien, Jørgen Jahnsen, Nils Bolstad, Espen A. Haavardsholm, Silje Watterdal Syversen (2022). Risk factors for anti-drug antibody formation to infliximab: Secondary analyses of a randomised controlled trial. Journal of Internal Medicine.

Marius Trøseid, Maxime Hentzien, Florence Ader, Sandra Wagner Cardoso, José R. Arribas, Jean-Michel Molina, Nicolas Mueller, Maya Hites, Fabrice Bonnet, Oriol Manuel, Dominique Costagliola, Beatriz Grinsztejn, Inge Christoffer Olsen, Yazdan Yazdapanah, Alexandra Calmy, EU RESPONSE, COMBINE (2022). Immunocompromised patients have been neglected in COVID-19 trials: a call for action. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases.

Marius Trøseid, J. R. Arribas, Lambert Assoumou, Aleksander Rygh Holten, Julien Poissy, Vida Terzić, Fulvia Mazzaferri, Jesús Rodríguez-Baño, Joe Eustace, Maya Hites, Michael Joannidis, José Artur Paiva, Jean Reuter, Isabel Püntmann, Thale Patrick-Brown, Elin Westerheim, Katerina Nezvalova-Henriksen, Lydie Beniguel, Tuva Børresdatter Dahl, Maude Bouscambert-Duchamp, Monika Halanova, Zoltan Peterfi, Sotirios Tsiodras, Michael Rezek, Matthias Briel, Serhat Unal, Martin Schlegel, Florence Ader, Karine Lacombe, Cecilie Delphin Amdal, Serge Rodrigues Serge Rodrigues, Kristian Tonby, Alexandre Gaudet, Lars Heggelund, Joy Mootien, Asgeir Johannessen, Jannicke Horjen Møller, Beatriz Diaz Pollan, Anders Tveita, Anders Benjamin Kildal, Jean-Christophe Richard, Olav Dalgard, Victoria Charlotte Simensen, Aliou Baldé, Lucie De Gastines, Marta del Álamo, Burç Aydin, Fridtjof Lund-Johansen, Mary Anne Trabaud, Alpha Diallo, Bente Halvorsen, John-Arne Røttingen, Evelina Tacconelli, Yazdan Yadanapanah, Inge Christoffer Olsen, Dominique Costagliola (2022). Efficacy and Safety of Baricitinib for the Treatment of Hospitalized Adults with Severe or Critical COVID-19 (Bari-SolidAct): A Randomised, Double-Blind, Parallel-Group, Placebo-Controlled Phase 3 Trial.

Beate Vestad, Thor Ueland, Tøri Vigeland Lerum, Tuva Børresdatter Dahl, Kristian Holm, Andreas Barratt-Due, Trine Kåsine, Anne Ma Dyrhol-Riise, Birgitte Stiksrud, Kristian Tonby, Hedda Hoel, Inge Christoffer Olsen, Katerina Nezvalova-Henriksen, Anders Tveita, Ravinea Manotheepan, Mette Haugli, Ragnhild Eiken, Åse Berg, Bente Halvorsen, Tove Lekva, Trine Ranheim, Annika Elisabeth Michelsen, Anders Benjamin Kildal, Asgeir Johannessen, Lars Thoresen, Hilde Skudal, Bård Reiakvam Kittang, Roy Bjørkholt Olsen, Carl Magnus Ystrøm, Nina Vibeche Skei, Raisa Hannula, Saad Aballi, Reidar Kvåle, Ole Henning Skjønsberg, Pål Aukrust, Johannes Roksund Hov, Marius Trøseid, NOR-Solidarity Study Group (2022). Respiratory dysfunction three months after severe COVID-19 is associated with gut microbiota alterations. Journal of Internal Medicine.

Håvard Ove Skjerven, Anine Lie, Riyas Vettukattil, Eva Maria Rehbinder, Marissa LeBlanc, Anna Asarnoj, Kai-Håkon Carlsen, Åshild Wik Despriee, Martin Färdig, Sabina Wärnberg Gerdin, Berit Granum, Hrefna Katrín Gudmundsdóttir, Guttorm Haugen, Gunilla Hedlin, Geir Håland, Christine Monceyron Jonassen, Linn Landrø, Caroline-Aleksi Olsson Mägi, Inge Christoffer Olsen, Knut Rudi, Carina Madelen Saunders, Marius Kurås Skram, Anne Cathrine Staff, Cilla Söderhäll, Sandra G. Tedner, Sigve Aadalen, Hilde Aaneland, Björn Nordlund, Karin C. Lødrup Carlsen (2022). Early food intervention and skin emollients to prevent food allergy in young children (PreventADALL): a factorial, multicentre, cluster-randomised trial. Lancet (London, England).

Trine Kåsine, Anne Ma Dyrhol-Riise, Andreas Barratt-Due, Anders Benjamin Kildal, Inge Christoffer Olsen, Katerina Nezvalova-Henriksen, Fridtjof Lund-Johansen, Hedda Hoel, Aleksander Rygh Holten, Anders Tveita, Alexander Mathiessen, Mette Haugli, Ragnhild Eiken, Åse Berg, Asgeir Johannessen, Lars Heggelund, Tuva Børresdatter Dahl, Bente Halvorsen, Pawel Mielnik, Lan Ai Kieu Le, Lars Thoresen, Gernot Ernst, Dag Arne Lihaug Hoff, Hilde Skudal, Bård Reiakvam Kittang, Roy Bjørkholt Olsen, Birgitte Tholin, Carl Magnus Ystrøm, Nina Vibeche Skei, Raisa Hannula, Olav Dalgard, Ane-Kristine Finbråten, Kristian Tonby, Saad Aballi, Fredrik Müller, Kristin Greve-Isdahl Mohn, Marius Trøseid, Pål Aukrust, Thor Ueland, NOR-Solidarity Study Group (2022). Neutrophil count predicts clinical outcome in hospitalized COVID-19 patients: Results from the NOR-Solidarity trial. Journal of Internal Medicine.

EU-Response investigators group, Alpha Diallo, Marius Trøseid, Victoria Charlotte Simensen, Anaïs Boston, Jacques Demotes, Inge Christoffer Olsen, Florence Chung, José Artur Paiva, Maya Hites, Florence Ader, Jose Ramon Arribas, Andreas Baratt-Due, Øyvind Melien, Evelina Tacconelli, Thèrèse Staub, Richard Greil, Sotirios Tsiodras, Matthias Briel, Hélène Esperou, France Mentré, Joe Eustace, Juliette Saillard, Christelle Delmas, Soizic LeMestre, Marina Dumousseaux, Dominique Costagliola, John-Arne Røttingen, Yazdan Yazdanpanah (2022). Accelerating clinical trial implementation in the context of the COVID-19 pandemic: challenges, lessons learned and recommendations from DisCoVeRy and the EU-SolidAct EU response group. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases.

Tøri Vigeland Lerum, Niklas Nyboe Maltzahn, Pål Aukrust, Marius Trøseid, Katerina Nezvalova-Henriksen, Trine Kåsine, Anne Ma Dyrhol-Riise, Birgitte Stiksrud, Mette Haugli, Bjørn Blomberg, Bård Reiakvam Kittang, Asgeir Johannessen, Raisa Hannula, Saad Aballi, Anders Benjamin Kildal, Ragnhild Eiken, Tuva Børresdatter Dahl, Fridtjof Lund-Johansen, Fredrik Müller, Jezabel Rivero Rodriguez, Carin Meltzer, Gunnar Einvik, Thor Ueland, Inge Christoffer Olsen, NOR-SOLIDARITY Consortium, Andreas Barratt-Due, Trond Mogens Aaløkken, Ole Henning Skjønsberg (2021). Persistent pulmonary pathology after COVID-19 is associated with high viral load, weak antibody response, and high levels of matrix metalloproteinase-9. Scientific Reports.

Silje Watterdal Syversen, Kristin Kaasen Jørgensen, Guro Løvik Goll, Marthe Kirkesæther Brun, Øystein Sandanger, Kristin Hammersbøen Bjørlykke, Joseph Sexton, Inge Christoffer Olsen, Johanna Elin Gehin, David John Warren, Rolf Anton Klaasen, Geir Noraberg, Trude Jannecke Bruun, Christian Kvikne Dotterud, Maud-Kristine Aga Ljoså, Anne Julsrud Haugen, Rune Johan Njålla, Camilla Zettel, Carl Magnus Ystrøm, Yngvill Hovde Bragnes, Svanaug Skorpe, Turid Thune, Kathrine Aglen Seeberg, Brigitte Michelsen, Ingrid Marianne Blomgren, Eldri Kveine Strand, Pawel Mielnik, Roald Torp, Cato Mørk, Tore K. Kvien, Jørgen Jahnsen, Nils Bolstad, Espen A. Haavardsholm (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. JAMA.

Nina Paulshus Sundlisater, Anna-Birgitte Aga, Inge Christoffer Olsen, Hilde Berner Hammer, Till Uhlig, Désirée van der Heijde, Tore K. Kvien, Espen A. Haavardsholm, Siri Lillegraven (2021). Joint tenderness and ultrasound inflammation in DMARD-naïve patients with early rheumatoid arthritis. Annals of the Rheumatic Diseases.

Synne Jenum, Kristian Tonby, Corina S. Rueegg, Morten Rühwald, Max P. Kristiansen, Peter Bang, Inge Christoffer Olsen, Kjersti Sellæg, Kjerstin Røstad, Tehmina Mustafa, Kjetil Taskén, Dag Kvale, Rasmus Mortensen, Anne Ma Dyrhol-Riise (2021). A Phase I/II randomized trial of H56:IC31 vaccination and adjunctive cyclooxygenase-2-inhibitor treatment in tuberculosis patients. Nature Communications.

Andreas Barratt-Due, Inge Christoffer Olsen, Katerina Nezvalova-Henriksen, Trine Kåsine, Fridtjof Lund-Johansen, Hedda Hoel, Aleksander Rygh Holten, Anders Tveita, Alexander Mathiessen, Mette Haugli, Ragnhild Eiken, Anders Benjamin Kildal, Åse Berg, Asgeir Johannessen, Lars Heggelund, Tuva Børresdatter Dahl, Karoline Hansen Skåra, Pawel Mielnik, Lan Ai Kieu Le, Lars Thoresen, Gernot Ernst, Dag Arne Lihaug Hoff, Hilde Skudal, Bård Reiakvam Kittang, Roy Bjørkholt Olsen, Birgitte Tholin, Carl Magnus Ystrøm, Nina Vibeche Skei, Trung Tran, Susanne Dudman, Jan Terje Andersen, Raisa Hannula, Olav Dalgard, Ane-Kristine Finbråten, Kristian Tonby, Bjorn Blomberg, Saad Aballi, Cathrine Fladeby, Anne Steffensen, Fredrik Müller, Anne Ma Dyrhol-Riise, Marius Trøseid, Pål Aukrust, NOR-Solidarity trial (2021). Evaluation of the Effects of Remdesivir and Hydroxychloroquine on Viral Clearance in COVID-19 : A Randomized Trial. Annals of Internal Medicine.

Silje Watterdal Syversen, Guro Løvik Goll, Kristin Kaasen Jørgensen, Øystein Sandanger, Joseph Sexton, Inge Christoffer Olsen, Johanna Elin Gehin, David John Warren, Marthe Kirkesæther Brun, Rolf Anton Klaasen, Lars Normann Karlsen, Geir Noraberg, Camilla Zettel, Maud-Kristine Aga Ljoså, Anne Julsrud Haugen, Rune Johan Njålla, Trude Jannecke Bruun, Kathrine Aglen Seeberg, Brigitte Michelsen, Eldri Kveine Strand, Svanaug Skorpe, Ingrid Marianne Blomgren, Yngvill Hovde Bragnes, Christian Kvikne Dotterud, Turid Thune, Carl Magnus Ystrøm, Roald Torp, Pawel Mielnik, Cato Mørk, Tore K. Kvien, Jørgen Jahnsen, Nils Bolstad, Espen A. Haavardsholm (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. JAMA.

Siri Lillegraven, Nina Paulshus Sundlisæter, Anna-Birgitte Aga, Joseph Sexton, Inge C. Olsen, Hallvard Fremstad, Cristina Spada, Tor Magne Madland, Christian A. Høili, Gunnstein Bakland, Åse Lexberg, Inger Johanne Widding Hansen, Inger Myrnes Hansen, Hilde Haukeland, Maud-Kristine Aga Ljoså, Ellen Moholt, Till Uhlig, Daniel H. Solomon, Désirée van der Heijde, Tore K. Kvien, Espen A. Haavardsholm (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. JAMA.

Inge Christoffer Olsen, Thale Patrick-Brown, Marius Trøseid (2021). EU-SolidAct.

Merete Lund Hetland, Espen A. Haavardsholm, Anna Rudin, Dan Nordström, Michael Nurmohamed, Bjorn Gudbjornsson, Jon Lampa, Kim Hørslev-Petersen, Till Uhlig, Gerdur Grondal, Mikkel Østergaard, Marte S. Heiberg, Jos Twisk, Kristina Lend, Simon Krabbe, Lise Hejl Hyldstrup, Joakim Lindqvist, Anna-Karin Hultgård Ekwall, Kathrine Lederballe Grøn, Meliha Kapetanovic, Francesca Faustini, Riitta Tuompo, Tove Lorenzen, Giovanni Cagnotto, Eva Baecklund, Oliver Hendricks, Daisy Vedder, Tuulikki Sokka-Isler, Tomas Husmark, Maud-Kristine Aga Ljoså, Eli Brodin, Torkell Ellingsen, Annika Söderbergh, Milad Rizk, Åsa Reckner Olsson, Per Larsson, Line Uhrenholt, Søren Andreas Just, David John Stevens, Trine Bay Laurberg, Gunnstein Bakland, Inge C. Olsen, Ronald van Vollenhoven, NORD-STAR study group (2020). Active conventional treatment and three different biological treatments in early rheumatoid arthritis: phase IV investigator initiated, randomised, observer blinded clinical trial. BMJ (Clinical research ed.).

Kristin K. Jørgensen, Guro L. Goll, Joe Sexton, Nils Bolstad, Inge C. Olsen, Øivind Asak, Ingrid P. Berset, Ingrid M. Blomgren, Katrine Dvergsnes, Jon Florholmen, Svein O. Frigstad, Magne Henriksen, Jon Hagfors, Gert Huppertz-Hauss, Espen A. Haavardsholm, Rolf A. Klaasen, Bjørn Moum, Geir Noraberg, Ulf Prestegård, Jan H. Rydning, Liv Sagatun, Kathrine A. Seeberg, Roald Torp, Cecilia Vold, David J. Warren, Carl M. Ystrøm, Knut E. A. Lundin, Tore Kvien, Jørgen Jahnsen (2020). Efficacy and Safety of CT-P13 in Inflammatory Bowel Disease after Switching from Originator Infliximab: Exploratory Analyses from the NOR-SWITCH Main and Extension Trials. BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy.

Magnus Nakrem Lyngbakken, Jan-Erik Berdal, Arne Eskesen, Dag Kvale, Inge Christoffer Olsen, Corina Silvia Rueegg, Anbjørg Rangberg, Christine Monceyron Jonassen, Torbjørn Omland, Helge Røsjø, Olav Dalgard (2020). A pragmatic randomized controlled trial reports lack of efficacy of hydroxychloroquine on coronavirus disease 2019 viral kinetics. Nature Communications.

H. Midgard, A. K. Finbråten, K. B. Malme, R. M. Berg-Pedersen, L. Tanum, I. C. Olsen, R. Bjørnestad, O. Dalgard (2020). Opportunistic treatment of hepatitis C virus infection (OPPORTUNI-C): study protocol for a pragmatic stepped wedge cluster randomized trial of immediate versus outpatient treatment initiation among hospitalized people who inject drugs. Trials.

Magnus Nakrem Lyngbakken, Jan-Erik Berdal, Arne Eskesen, Dag Kvale, Inge Christoffer Olsen, Anbjørg Rangberg, Christine Monceyron Jonassen, Torbjørn Omland, Helge Røsjø, Olav Dalgard (2020). Norwegian Coronavirus Disease 2019 (NO COVID-19) Pragmatic Open label Study to assess early use of hydroxychloroquine sulphate in moderately severe hospitalised patients with coronavirus disease 2019: A structured summary of a study protocol for a randomised controlled trial. Trials.

Håvard Ove Skjerven, Eva Maria Rehbinder, Riyas Vettukattil, Marissa LeBlanc, Berit Granum, Guttorm Haugen, Gunilla Hedlin, Linn Landrø, Benjamin J. Marsland, Knut Rudi, Kathrine Dønvold Sjøborg, Cilla Söderhäll, Anne Cathrine Staff, Kai-Håkon Carlsen, Anna Asarnoj, Karen Eline Stensby Bains, Oda C. Lødrup Carlsen, Kim M. Advocaat Endre, Peder Annæus Granlund, Johanne Uthus Hermansen, Hrefna Katrín Gudmundsdóttir, Katarina Hilde, Geir Håland, Ina Kreyberg, Inge Christoffer Olsen, Caroline-Aleksi Olsson Mägi, Live Solveig Nordhagen, Carina Madelen Saunders, Ingebjørg Skrindo, Sandra G. Tedner, Magdalena R. Værnesbranden, Johanna Wiik, Christine Monceyron Jonassen, Björn Nordlund, Karin C. Lødrup Carlsen (2020). Skin emollient and early complementary feeding to prevent infant atopic dermatitis (PreventADALL): a factorial, multicentre, cluster-randomised trial. Lancet (London, England).

Rebecka Dalbye, Ellen Blix, Kathrine Frey Frøslie, Jun Zhang, Torbjørn Moe Eggebø, Inge Christoffer Olsen, Daniella Rozsa, Pål Øian, Stine Bernitz (2020). The Labour Progression Study (LaPS): Duration of labour following Zhang's guideline and the WHO partograph - A cluster randomised trial. Midwifery.

Silje W. Syversen, Guro L. Goll, Kristin K. Jørgensen, Inge C. Olsen, Øystein Sandanger, Johanna E. Gehin, David J. Warren, Joseph Sexton, Cato Mørk, Jørgen Jahnsen, Tore K. Kvien, Nils Bolstad, Espen A. Haavardsholm (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). Trials.

Inge Christoffer Olsen (2019). Comment on: Assessments of the unmet need in the management of patients with rheumatoid arthritis: analyses from the NOR-DMARD registry: reply. Rheumatology (Oxford, England).

Rebecka Dalbye, Stine Bernitz, Inge Christoffer Olsen, Jun Zhang, Torbjørn Moe Eggebø, Daniella Rozsa, Kathrine Frey Frøslie, Pål Øian, Ellen Blix (2019). The Labor Progression Study: The use of oxytocin augmentation during labor following Zhang's guideline and the WHO partograph in a cluster randomized trial. Acta Obstetricia Et Gynecologica Scandinavica.

Stine Bernitz, Rebecka Dalbye, Inge Christoffer Olsen, Ellen Blix, Pål Øian, Torjørn Moe Eggebø (2019). Zhang's guidelines vs WHO guidelines for diagnosing labour dystocia - Authors' reply. Lancet (London, England).

G. L. Goll, K. K. Jørgensen, J. Sexton, I. C. Olsen, N. Bolstad, E. A. Haavardsholm, K. E. A. Lundin, K. S. Tveit, M. Lorentzen, I. P. Berset, B. T. S. Fevang, S. Kalstad, K. Ryggen, D. J. Warren, R. A. Klaasen, Ø Asak, S. Baigh, I. M. Blomgren, Ø Brenna, T. J. Bruun, K. Dvergsnes, S. O. Frigstad, I. M. Hansen, I. S. H. Hatten, G. Huppertz-Hauss, M. Henriksen, S. S. Hoie, J. Krogh, I. P. Midtgard, P. Mielnik, B. Moum, G. Noraberg, A. Poyan, U. Prestegård, H. U. Rashid, E. K. Strand, K. Skjetne, K. A. Seeberg, R. Torp, C. M. Ystrøm, C. Vold, C. C. Zettel, K. Waksvik, B. Gulbrandsen, J. Hagfors, C. Mørk, J. Jahnsen, T. K. Kvien (2019). Long-term efficacy and safety of biosimilar infliximab (CT-P13) after switching from originator infliximab: open-label extension of the NOR-SWITCH trial. Journal of Internal Medicine.

Inge C. Olsen, Elisabeth Lie, Radu Vasilescu, Gene Wallenstein, Sander Strengholt, Tore K. Kvien (2019). Assessments of the unmet need in the management of patients with rheumatoid arthritis: analyses from the NOR-DMARD registry. Rheumatology (Oxford, England).

Stine Bernitz, Rebecka Dalbye, Jun Zhang, Torbjørn M. Eggebø, Kathrine F. Frøslie, Inge Christoffer Olsen, Ellen Blix, Pål Øian (2019). The frequency of intrapartum caesarean section use with the WHO partograph versus Zhang's guideline in the Labour Progression Study (LaPS): a multicentre, cluster-randomised controlled trial. Lancet (London, England).

Eirik Ikdahl, Grunde Wibetoe, Silvia Rollefstad, Anne Salberg, Kjetil Bergsmark, Tore K. Kvien, Inge C. Olsen, Dag Magnar Soldal, Gunnstein Bakland, Åse Lexberg, Bjørg Tilde Svanes Fevang, Hans Christian Gulseth, Glenn Haugeberg, Anne Grete Semb (2019). Guideline recommended treatment to targets of cardiovascular risk is inadequate in patients with inflammatory joint diseases. International Journal of Cardiology.

Nina Paulshus Sundlisæter, Inge C. Olsen, Anna-Birgitte Aga, Hilde B. Hammer, Till Uhlig, Désirée van der Heijde, Tore K. Kvien, Siri Lillegraven, Espen A. Haavardsholm, ARCTIC study group (2018). Predictors of sustained remission in patients with early rheumatoid arthritis treated according to an aggressive treat-to-target protocol. Rheumatology (Oxford, England).

Nina Paulshus Sundlisæter, Anna-Birgitte Aga, Inge Christoffer Olsen, Hilde Berner Hammer, Till Uhlig, Désirée van der Heijde, Tore K. Kvien, Siri Lillegraven, Espen A. Haavardsholm, ARCTIC study group (2018). Clinical and ultrasound remission after 6 months of treat-to-target therapy in early rheumatoid arthritis: associations to future good radiographic and physical outcomes. Annals of the Rheumatic Diseases.

Lena B. Nordberg, Siri Lillegraven, Anna-Birgitte Aga, Joe Sexton, Elisabeth Lie, Hilde B. Hammer, Inge C. Olsen, Till Uhlig, Désirée van der Heijde, Tore K. Kvien, Espen A. Haavardsholm (2018). The Impact of Ultrasound on the Use and Efficacy of Intraarticular Glucocorticoid Injections in Early Rheumatoid Arthritis: Secondary Analyses From a Randomized Trial Examining the Benefit of Ultrasound in a Clinical Tight Control Regimen. Arthritis & Rheumatology (Hoboken, N.J.).

Ingvild Vik, Marianne Bollestad, Nils Grude, Anders Bærheim, Eivind Damsgaard, Thomas Neumark, Lars Bjerrum, Gloria Cordoba, Inge Christoffer Olsen, Morten Lindbæk (2018). Ibuprofen versus pivmecillinam for uncomplicated urinary tract infection in women-A double-blind, randomized non-inferiority trial. PLoS medicine.

Grunde Wibetoe, Eirik Ikdahl, Silvia Rollefstad, Inge C. Olsen, Kjetil Bergsmark, Tore K. Kvien, Anne Salberg, Dag M. Soldal, Gunnstein Bakland, Åse Lexberg, Bjørg-Tilde Fevang, Hans Christian Gulseth, Glenn Haugeberg, Anne Grete Semb (2018). Discrepancies in risk age and relative risk estimations of cardiovascular disease in patients with inflammatory joint diseases. International Journal of Cardiology.

Vibeke Norvang, Joseph Sexton, Eirik K. Kristianslund, Inge C. Olsen, Till Uhlig, Gunnstein Bakland, Frode Krøll, Erik Rødevand, Ada Wierød, Tore K. Kvien, Josef S. Smolen, Daniel Aletaha, Espen A. Haavardsholm (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. RMD open.

Eirik Ikdahl, Silvia Rollefstad, Grunde Wibetoe, Anne Salberg, Frode Krøll, Kjetil Bergsmark, Tore K. Kvien, Inge C. Olsen, Dag Magnar Soldal, Gunnstein Bakland, Åse Lexberg, Clara G. Gjesdal, Christian Gulseth, Glenn Haugeberg, Anne Grete Semb (2018). Feasibility of cardiovascular disease risk assessments in rheumatology outpatient clinics: experiences from the nationwide NOCAR project. RMD open.

Lena Bugge Nordberg, Siri Lillegraven, Anna-Birgitte Aga, Joseph Sexton, Inge Christoffer Olsen, Elisabeth Lie, Hilde Berner Hammer, Till Uhlig, Désirée van der Heijde, Tore K. Kvien, Espen A. Haavardsholm (2018). Comparing the disease course of patients with seronegative and seropositive rheumatoid arthritis fulfilling the 2010 ACR/EULAR classification criteria in a treat-to-target setting: 2-year data from the ARCTIC trial. RMD open.

Kristin K. Jørgensen, Knut E. Lundin, Inge C. Olsen, Tore K. Kvien, Jørgen Jahnsen (2017). Efficacy of infliximab biosimilars in patients with Crohn's disease - Authors' reply. Lancet (London, England).

Maria Karolina Jonsson, Nina Paulshus Sundlisæter, Hilde Haugedal Nordal, Hilde Berner Hammer, Anna-Birgitte Aga, Inge Christoffer Olsen, Karl Albert Brokstad, Désirée van der Heijde, Tore K. Kvien, Bjørg Tilde Svanes Fevang, Siri Lillegraven, Espen A. Haavardsholm (2017). Calprotectin as a marker of inflammation in patients with early rheumatoid arthritis. Annals of the Rheumatic Diseases.

Elisabeth Lie, Ulf Lindström, Tatiana Zverkova-Sandström, Inge C. Olsen, Helena Forsblad-d'Elia, Johan Askling, Meliha C. Kapetanovic, Lars Erik Kristensen, Lennart T. H. Jacobsson (2017). Tumour necrosis factor inhibitor treatment and occurrence of anterior uveitis in ankylosing spondylitis: results from the Swedish biologics register. Annals of the Rheumatic Diseases.

Grunde Wibetoe, Eirik Ikdahl, Silvia Rollefstad, Inge C. Olsen, Kjetil Bergsmark, Tore K. Kvien, Anne Salberg, Dag Magnar Soldal, Gunnstein Bakland, Åse Lexberg, Bjørg-Tilde Fevang, Hans Christian Gulseth, Glenn Haugeberg, Anne Grete Semb (2017). Cardiovascular disease risk profiles in inflammatory joint disease entities. Arthritis Research & Therapy.

Kristin K. Jørgensen, Inge C. Olsen, Guro L. Goll, Merete Lorentzen, Nils Bolstad, Espen A. Haavardsholm, Knut E. A. Lundin, Cato Mørk, Jørgen Jahnsen, Tore K. Kvien, NOR-SWITCH study group (2017). Switching from originator infliximab to biosimilar CT-P13 compared with maintained treatment with originator infliximab (NOR-SWITCH): a 52-week, randomised, double-blind, non-inferiority trial. Lancet (London, England).

C. Austad, T. K. Kvien, I. C. Olsen, T. Uhlig (2017). Sleep disturbance in patients with rheumatoid arthritis is related to fatigue, disease activity, and other patient-reported outcomes. Scandinavian Journal of Rheumatology.

Lena Bugge Nordberg, Siri Lillegraven, Elisabeth Lie, Anna-Birgitte Aga, Inge Christoffer Olsen, Hilde Berner Hammer, Till Uhlig, Maria Karolina Jonsson, Désirée van der Heijde, Tore K. Kvien, Espen Andre Haavardsholm, and the ARCTIC working group (2017). Patients with seronegative RA have more inflammatory activity compared with patients with seropositive RA in an inception cohort of DMARD-naïve patients classified according to the 2010 ACR/EULAR criteria. Annals of the Rheumatic Diseases.

Sella A. Provan, Inge C. Olsen, Cathrine Austad, Glenn Haugeberg, Tore K. Kvien, Till Uhlig (2017). Calcium supplementation and inflammation increase mortality in rheumatoid arthritis: A 15-year cohort study in 609 patients from the Oslo Rheumatoid Arthritis Register. Seminars in Arthritis and Rheumatism.

B. M. Wollmann, S. W. Syversen, E. Lie, C. Gjestad, L. L. Mehus, I. C. Olsen, E. Molden (2017). 4β-Hydroxycholesterol Level in Patients With Rheumatoid Arthritis Before vs. After Initiation of bDMARDs and Correlation With Inflammatory State. Clinical and Translational Science.

A. G. Semb, E. Ikdahl, J. Hisdal, I. C. Olsen, S. Rollefstad (2016). Exploring cardiovascular disease risk evaluation in patients with inflammatory joint diseases. International Journal of Cardiology.

Helga Midtbø, Eva Gerdts, Tore K. Kvien, Inge C. Olsen, Mai Tone Lønnebakken, Einar Skulstad Davidsen, Silvia Rollefstad, Anne Grete Semb (2016). The association of hypertension with asymptomatic cardiovascular organ damage in rheumatoid arthritis. Blood Pressure.

Eirik Ikdahl, Silvia Rollefstad, Grunde Wibetoe, Inge C. Olsen, Inger Jorid Berg, Jonny Hisdal, Till Uhlig, Glenn Haugeberg, Tore K. Kvien, Sella A. Provan, Anne Grete Semb (2016). Predictive Value of Arterial Stiffness and Subclinical Carotid Atherosclerosis for Cardiovascular Disease in Patients with Rheumatoid Arthritis. The Journal of Rheumatology.

Espen A. Haavardsholm, Anna-Birgitte Aga, Inge Christoffer Olsen, Siri Lillegraven, Hilde B. Hammer, Till Uhlig, Hallvard Fremstad, Tor Magne Madland, Åse Stavland Lexberg, Hilde Haukeland, Erik Rødevand, Christian Høili, Hilde Stray, Anne Noraas, Inger Johanne Widding Hansen, Gunnstein Bakland, Lena Bugge Nordberg, Désirée van der Heijde, Tore K. Kvien (2016). Ultrasound in management of rheumatoid arthritis: ARCTIC randomised controlled strategy trial. BMJ (Clinical research ed.).

Anna-Birgitte Aga, Hilde Berner Hammer, Inge Christoffer Olsen, Till Uhlig, Tore K. Kvien, Désirée van der Heijde, Hallvard Fremstad, Tor Magne Madland, Åse Stavland Lexberg, Hilde Haukeland, Erik Rødevand, Christian Høili, Hilde Stray, Anne Noraas Bendvold, Dag Magnar Soldal, Gunnstein Bakland, Elisabeth Lie, Espen A. Haavardsholm (2016). First step in the development of an ultrasound joint inflammation score for rheumatoid arthritis using a data-driven approach. Annals of the Rheumatic Diseases.

Till Uhlig, Elisabeth Lie, Vibeke Norvang, Åse Stavland Lexberg, Erik Rødevand, Frode Krøll, Synøve Kalstad, Inge C. Olsen, Tore K. Kvien (2016). Achievement of Remission and Low Disease Activity Definitions in Patients with Rheumatoid Arthritis in Clinical Practice: Results from the NOR-DMARD Study. The Journal of Rheumatology.

Rikke Helene Moe, Margreth Grotle, Ingvild Kjeken, Inge Christoffer Olsen, Petter Mowinckel, Espen A. Haavardsholm, Kåre Birger Hagen, Tore K. Kvien, Till Uhlig (2016). Effectiveness of an Integrated Multidisciplinary Osteoarthritis Outpatient Program versus Outpatient Clinic as Usual: A Randomized Controlled Trial. The Journal of Rheumatology.

Eirik Ikdahl, Silvia Rollefstad, Jonny Hisdal, Inge C. Olsen, Terje R. Pedersen, Tore K. Kvien, Anne Grete Semb (2016). Sustained Improvement of Arterial Stiffness and Blood Pressure after Long-Term Rosuvastatin Treatment in Patients with Inflammatory Joint Diseases: Results from the RORA-AS Study. PloS One.

Till Uhlig, Olav Bjørneboe, Frode Krøll, Øyvind Palm, Inge Christoffer Olsen, Margreth Grotle (2016). Involvement of the multidisciplinary team and outcomes in inpatient rehabilitation among patients with inflammatory rheumatic disease. BMC musculoskeletal disorders.

Eirik Ikdahl, Jonny Hisdal, Silvia Rollefstad, Inge C. Olsen, Tore K. Kvien, Terje R. Pedersen, Anne Grete Semb (2015). Rosuvastatin improves endothelial function in patients with inflammatory joint diseases, longitudinal associations with atherosclerosis and arteriosclerosis: results from the RORA-AS statin intervention study. Arthritis Research & Therapy.

Inger Jorid Berg, Anne Grete Semb, Désirée van der Heijde, Tore K. Kvien, Inge C. Olsen, Hanne Dagfinrud, Sella A. Provan (2015). CRP and ASDAS are associated with future elevated arterial stiffness, a risk marker of cardiovascular disease, in patients with ankylosing spondylitis: results after 5-year follow-up. Annals of the Rheumatic Diseases.

S. Rollefstad, E. Ikdahl, J. Hisdal, I. C. Olsen, I. Holme, H. B. Hammer, K. T. Smerud, G. D. Kitas, T. R. Pedersen, T. K. Kvien, A. G. Semb (2015). Rosuvastatin-Induced Carotid Plaque Regression in Patients With Inflammatory Joint Diseases: The Rosuvastatin in Rheumatoid Arthritis, Ankylosing Spondylitis and Other Inflammatory Joint Diseases Study. Arthritis & Rheumatology (Hoboken, N.J.).

Marthe T. Maehlen, Inge C. Olsen, Bettina K. Andreassen, Marte K. Viken, Xia Jiang, Lars Alfredsson, Henrik Källberg, Boel Brynedal, Fina Kurreeman, Nina Daha, Rene Toes, Alexandra Zhernakova, Javier Gutierrez-Achury, Paul I. W. de Bakker, Javier Martin, María Teruel, Miguel A. Gonzalez-Gay, Luis Rodríguez-Rodríguez, Alejandro Balsa, Till Uhlig, Tore K. Kvien, Benedicte A. Lie (2015). Genetic risk scores and number of autoantibodies in patients with rheumatoid arthritis. Annals of the Rheumatic Diseases.

Inger Jorid Berg, Désirée van der Heijde, Hanne Dagfinrud, Ingebjørg Seljeflot, Inge Christoffer Olsen, Tore K. Kvien, Anne Grete Semb, Sella A. Provan (2015). Disease activity in ankylosing spondylitis and associations to markers of vascular pathology and traditional cardiovascular disease risk factors: a cross-sectional study. The Journal of Rheumatology.

Helga Midtbø, Eva Gerdts, Tore K. Kvien, Inge C. Olsen, Asle Hirth, Einar Skulstad Davidsen, Anne Grete Semb (2015). Disease activity and left ventricular structure in patients with rheumatoid arthritis. Rheumatology (Oxford, England).

Anna-Birgitte Aga, Elisabeth Lie, Till Uhlig, Inge Christoffer Olsen, Ada Wierød, Synøve Kalstad, Erik Rødevand, Knut Mikkelsen, Tore K. Kvien, Espen A. Haavardsholm (2015). Time trends in disease activity, response and remission rates in rheumatoid arthritis during the past decade: results from the NOR-DMARD study 2000-2010. Annals of the Rheumatic Diseases.

Espen Tønnessen, Ida Siobhan Svendsen, Inge Christoffer Olsen, Atle Guttormsen, Thomas Haugen (2015). Performance development in adolescent track and field athletes according to age, sex and sport discipline. PloS One.

C. Austad, T. K. Kvien, I. C. Olsen, T. Uhlig (2015). Health status has improved more in women than in men with rheumatoid arthritis from 1994 to 2009: results from the Oslo rheumatoid arthritis register. Annals of the Rheumatic Diseases.

Eirik Ikdahl, Silvia Rollefstad, Inge C. Olsen, Tore K. Kvien, Inger Johanne Widding Hansen, Dag Magnar Soldal, Glenn Haugeberg, Anne Grete Semb (2015). EULAR task force recommendations on annual cardiovascular risk assessment for patients with rheumatoid arthritis: an audit of the success of implementation in a rheumatology outpatient clinic. BioMed Research International.

S. H. Sveaas, I. J. Berg, S. A. Provan, A. G. Semb, I. C. Olsen, T. Ueland, P. Aukrust, N. Vøllestad, K. B. Hagen, T. K. Kvien, H. Dagfinrud (2015). Circulating levels of inflammatory cytokines and cytokine receptors in patients with ankylosing spondylitis: a cross-sectional comparative study. Scandinavian Journal of Rheumatology.

Inger Jorid Berg, Anne Grete Semb, Désirée van der Heijde, Tore K. Kvien, Jonny Hisdal, Inge C. Olsen, Hanne Dagfinrud, Sella A. Provan (2014). Uveitis is associated with hypertension and atherosclerosis in patients with ankylosing spondylitis: a cross-sectional study. Seminars in Arthritis and Rheumatism.

I. C. Olsen, E. A. Haavardsholm, E. Moholt, T. K. Kvien, E. Lie (2014). NOR-DMARD data management: implementation of data capture from electronic health records. Clinical and Experimental Rheumatology.

K. B. Nilsen, I. C. Olsen, A. N. Solem, D. Matre (2014). A large conditioned pain modulation response is not related to a large blood pressure response: a study in healthy men. European Journal of Pain (London, England).

Frédérique Gandjbakhch, Espen A. Haavardsholm, Philip G. Conaghan, Bo Ejbjerg, Violaine Foltz, Andrew K. Brown, Uffe Møller Døhn, Marissa Lassere, Jane E. Freeston, Inge Christoffer Olsen, Pernille Bøyesen, Paul Bird, Bruno Fautrel, Merete Lund Hetland, Paul Emery, Pierre Bourgeois, Kim Hørslev-Petersen, Tore K. Kvien, Fiona M. McQueen, Mikkel Østergaard (2014). Determining a magnetic resonance imaging inflammatory activity acceptable state without subsequent radiographic progression in rheumatoid arthritis: results from a followup MRI study of 254 patients in clinical remission or low disease activity. The Journal of Rheumatology.

Silje Halvorsen Sveaas, Inger Jorid Berg, Sella Aarrestad Provan, Anne Grete Semb, Kåre Birger Hagen, Nina Vøllestad, Camilla Fongen, Inge C. Olsen, Annika Michelsen, Thor Ueland, Pål Aukrust, Tore K. Kvien, Hanne Dagfinrud (2014). Efficacy of high intensity exercise on disease activity and cardiovascular risk in active axial spondyloarthritis: a randomized controlled pilot study. PloS One.

Anne G. Semb, Silvia Rollefstad, Sella A. Provan, Tore K. Kvien, Einar Stranden, Inge C. Olsen, Jonny Hisdal (2013). Carotid plaque characteristics and disease activity in rheumatoid arthritis. The Journal of Rheumatology.

Marthe T. Maehlen, Sella A. Provan, Diederik P. C. de Rooy, Annette H. M. van der Helm-van Mil, Annemarie Krabben, Tore Saxne, Elisabet Lindqvist, Anne Grete Semb, Till Uhlig, Désirée van der Heijde, Inger Lise Mero, Inge C. Olsen, Tore K. Kvien, Benedicte A. Lie (2013). Associations between APOE genotypes and disease susceptibility, joint damage and lipid levels in patients with rheumatoid arthritis. PloS One.

K. T. Smerud, S. Dolgos, I. C. Olsen, A. Åsberg, S. Sagedal, A. V. Reisæter, K. Midtvedt, P. Pfeffer, T. Ueland, K. Godang, J. Bollerslev, A. Hartmann (2012). A 1-year randomized, double-blind, placebo-controlled study of intravenous ibandronate on bone loss following renal transplantation. American Journal of Transplantation: Official Journal of the American Society of Transplantation and the American Society of Transplant Surgeons.

Oivind Torkildsen, Stig Wergeland, Søren Bakke, Antonie G. Beiske, Kristian S. Bjerve, Harald Hovdal, Rune Midgard, Finn Lilleås, Tom Pedersen, Bård Bjørnarå, Frøydis Dalene, Grethe Kleveland, Jan Schepel, Inge Christoffer Olsen, Kjell-Morten Myhr (2012). ω-3 fatty acid treatment in multiple sclerosis (OFAMS Study): a randomized, double-blind, placebo-controlled trial. Archives of Neurology.

I. C. Olsen, T. K. Kvien, T. Uhlig (2012). Consequences of handling missing data for treatment response in osteoarthritis: a simulation study. Osteoarthritis and Cartilage.

Ingunn F. Tvete, Inge C. Olsen, Morten W. Fagerland, Nils Meland, Magne Aldrin, Knut T. Smerud, Lars Holden (2012). An approach to combining parallel and cross-over trials with and without run-in periods using individual patient data. Clinical Trials (London, England).

John K. Kjekshus, Christian Torp-Pedersen, Lars Gullestad, Lars Køber, Thor Edvardsen, Inge C. Olsen, Ivar Sjaastad, Eirik Qvigstad, Tor Skomedal, Jan-Bjørn Osnes, Finn Olav Levy (2009). Effect of piboserod, a 5-HT4 serotonin receptor antagonist, on left ventricular function in patients with symptomatic heart failure. European Journal of Heart Failure.

Per Soelberg Sorensen, Svein Ivar Mellgren, Anders Svenningsson, Irina Elovaara, Jette Lautrup Frederiksen, Antonie Giaever Beiske, Kjell-Morten Myhr, Lise Vejby Søgaard, Inge Christoffer Olsen, Magnhild Sandberg-Wollheim (2009). NORdic trial of oral Methylprednisolone as add-on therapy to Interferon beta-1a for treatment of relapsing-remitting Multiple Sclerosis (NORMIMS study): a randomised, placebo-controlled trial. The Lancet. Neurology.

Oskar H. Sommer, Olav Aga, Milada Cvancarova, Inge C. Olsen, Geir Selbaek, Knut Engedal (2009). Effect of oxcarbazepine in the treatment of agitation and aggression in severe dementia. Dementia and Geriatric Cognitive Disorders.