Mikkel Østergaard

Mikkel Østergaard

Clinical Professor

Member of:

  • Internal Medicine: Rheumatology


  1. 2024
  2. Published

    Identification of patient endotypes and adalimumab treatment responders in axial spondyloarthritis using blood-derived extracellular matrix biomarkers

    Port, H., Christiansen, F., Nielsen, S. H., Frederiksen, P., Bay-Jensen, A. C., Karsdal, M. A., Seven, S., Sørensen, I. J., Loft, A. G., gjc556, gjc556, Østergaard, Mikkel & Pedersen, S. J., 10 Jan 2024, In: RMD Open. 10, 1, 6 p., e003769.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Complement Proteins L-Ficolin and M-Ficolin Are Increased in Patients With Axial Spondyloarthritis and Decrease After Tumor Necrosis Factor Inhibitor Treatment

    Mistegaard, C. E., Troldborg, A., Hansen, A., Thiel, S., Jurik, A. G., Kiil, R. M., Christiansen, A. A., Schiøttz-Christensen, B., Hendricks, O., Pedersen, S. J., Sørensen, I. J., Østergaard, Mikkel & Loft, A. G., 2024, In: Journal of Rheumatology. 51, 1, p. 31-38 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. E-pub ahead of print

    Detection of structural lesions of the sacroiliac joints in patients with spondyloarthritis: A comparison of T1-weighted 3D spoiled gradient echo MRI and MRI-based synthetic CT versus T1-weighted turbo spin echo MRI

    Krabbe, S., Møller, J. M., Hadsbjerg, A. E. F., Ewald, A., Hangaard, S., Pedersen, S. J. & Østergaard, Mikkel, 2024, (E-pub ahead of print) In: Skeletal Radiology.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. E-pub ahead of print

    Development and validation of a new tool for assessment of trainees' interventional musculoskeletal ultrasound skills

    Carstensen, S. M. D., Just, S. A., Pfeiffer-Jensen, M., Østergaard, Mikkel, Konge, Lars & Terslev, Lene, 2024, (E-pub ahead of print) In: Rheumatology (Oxford, England). 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Development of a complex Interdisciplinary Nurse-coordinated SELf-MAnagement (INSELMA) intervention for patients with inflammatory arthritis

    Primdahl, J., Bremander, A., Hendricks, O., Østergaard, Mikkel, Latocha, K. M., Andersen, L., Jensen, K. V. & Esbensen, Bente Appel, 2024, In: BMC Health Services Research. 24, 1, 13 p., 87.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

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

    Ørnbjerg, L. M., Brahe, C. H., Linde, L., Jacobsson, L., Nissen, M. J., Kristianslund, E. K., Santos, M. J., Nordström, D., Rotar, Z., Gudbjornsson, B., Onen, F., Codreanu, C., Lindström, U., Möller, B., Kvien, T. K., Barcelos, A., Eklund, K. K., Tomšič, M., Love, T. J., Can, G. & 15 others, Ionescu, R., Loft, A. G., Mann, H., Pavelka, K., van de Sande, M., van der Horst-Bruinsma, I. E., Suarez, M. P., Sánchez-Piedra, C., Macfarlane, G. J., Iannone, F., Michelsen, B., Hyldstrup, L. H., Krogh, N. S., Østergaard, Mikkel & Hetland, Merete Lund, 2024, In: Joint Bone Spine. 91, 4, 8 p., 105729.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Hip and pelvis region MRI reference image atlas for scoring inflammation in peripheral joints and entheses according to the OMERACT-MRI WIPE scoring system in patients with spondyloarthritis

    Østergaard, Mikkel, Lambert, R. G., Hadsbjerg, A. E., Eshed, I., Maksymowych, W. P., Mathew, A. J., Jans, L., Pedersen, S. J., Carron, P., Emad, Y., De Marco, G., Bird, P., Stoenoiu, M. S., Foltz, V., Paschke, J., Marzo-Ortega, H., Møller-Bisgaard, S., Conaghan, P. G. & Wetterslev, M., 2024, In: Seminars in Arthritis and Rheumatism. 65, 6 p., 152383.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Long-Term efficacy of a 2-year MRI treat-To-Target strategy on disease activity and radiographic progression in patients with rheumatoid arthritis in clinical remission: 5-year follow-up of the IMAGINE-RA randomised trial

    Møller-Bisgaard, S., Hørslev-Petersen, K., Ørnbjerg, L. M., Ejbjerg, B., Hetland, M. L., Møller, J. M., Nielsen, S. M., Glinatsi, D., Boesen, M., Stengaard-Pedersen, K., Madsen, O. R., Jensen, B., Villadsen, J. A., Hauge, E. M., Hendricks, O., Lindegaard, H., Krogh, N. S., Jurik, A. G., Thomsen, H., Christensen, R. & 1 others, Østergaard, Mikkel, 2024, In: RMD Open. 10, 1, 13 p., e003945.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Low incidence of malignancy in patients with suspected polymyalgia rheumatica or giant cell arteritis, examined with FDG-PET/CT

    Gorlen, T. F., Brittain, J. M., Østergaard, Mikkel, Fischer, Barbara Malene Bjerregaard, Døhn, U. M. & Terslev, Lene, 2024, In: Frontiers in Medicine. 11, 7 p., 1309905.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Obesity is a risk factor for poor response to treatment in early rheumatoid arthritis: a NORD-STAR study

    Dubovyk, V., Vasileiadis, G. K., Fatima, T., Zhang, Y., Kapetanovic, M. C., Kastbom, A., Rizk, M., Söderbergh, A., Zhao, S. S., van Vollenhoven, R. F., Hetland, M. L., Haavardsholm, E. A., Nordström, D., Nurmohamed, M. T., Gudbjornsson, B., Lampa, J., Østergaard, M., Heiberg, M. S., Sokka-Isler, T., Gröndal, G. & 5 others, Lend, K., Hørslev-Petersen, K., Uhlig, T., Rudin, A. & Maglio, C., 2024, In: RMD Open. 10, 2, 10 p., e004227.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Occurrence and Prediction of Flare After Tapering of Tumor Necrosis Factor Inhibitors in Patients With Axial Spondyloarthritis

    Wetterslev, M., Georgiadis, S., Christiansen, S. N., Pedersen, S. J., Sørensen, I. J., Hetland, Merete Lund, Duer, A., Boesen, Mikael Ploug, Gosvig, K. K., Møller, J. M., Bakkegaard, M., Brahe, C. H., Krogh, N. S., Jensen, B., gjc556, gjc556, Christensen, J., Hansen, A., Nørregaard, J., Røgind, H. & Østergaard, Mikkel, 2024, In: Journal of Rheumatology. 51, 1, p. 39-49 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Patient-Reported Outcomes (PROs) and PRO Remission Rates in 12,262 Biologic-Naïve Patients With Psoriatic Arthritis Treated With Tumor Necrosis Factor Inhibitors in Routine Care

    Ørnbjerg, L. M., Rugbjerg, K., Georgiadis, S., Rasmussen, S. H., Jacobsson, L., Loft, A. G., Iannone, F., Fagerli, K. M., Vencovsky, J., Santos, M. J., Möller, B., Pombo-Suarez, M., Rotar, Z., Gudbjornsson, B., Cefle, A., Eklund, K., Codreanu, C., Jones, G., van der Sande, M., Wallman, J. K. & 11 others, Sebastiani, M., Michelsen, B., Závada, J., Nissen, M. J., Sanchez-Piedra, C., Tomšič, M., Love, T. J., Relas, H., Mogosan, C., Hetland, Merete Lund & Østergaard, Mikkel, 2024, In: Journal of Rheumatology. 51, 4, p. 378-389 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Patient-reported outcomes in axial spondyloarthritis and psoriatic arthritis patients treated with secukinumab for 24 months in daily clinical practice

    Christiansen, S. N., Horskjær Rasmussen, S., Pons, M., Michelsen, B., Glintborg, B., Gudbjornsson, B., Grondal, G., Vencovsky, J., Loft, A. G., Rotar, Z., Pirkmajer, K. P., Nissen, M. J., Baranová, J., Macfarlane, G. J., Jones, G. T., Iannone, F., Caporali, R., Laas, K., Vorobjov, S., Giuseppe, D. D. & 13 others, Olofsson, T., Provan, S. A., Fagerli, K. M., Castrejon, I., Otero-Varela, L., van de Sande, M., van der Horst-Bruinsma, I., Nordström, D., Kuusalo, L., Bernardes, M., Hetland, Merete Lund, Østergaard, Mikkel & Midtbøll Ørnbjerg, L., 2024, In: Seminars in Arthritis and Rheumatism. 65, 10 p., 152388.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Patients' experience of a novel interdisciplinary nurse-led self-management intervention (INSELMA) - a qualitative evaluation

    Blum, N. S., Esbensen, Bente Appel, Østergaard, Mikkel, Bremander, A., Hendricks, O., Lindgren, L. H., Andersen, L., Jensen, K. V. & Primdahl, J., 2024, In: BMC Rheumatology. 8, 12 p., 10.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. E-pub ahead of print

    Peripheral joint and enthesis involvement in patients with newly diagnosed inflammatory bowel disease: symptoms, clinical and ultrasound findings - a population-based cohort study

    Vladimirova, N., Terslev, Lene, Attauabi, M., Madsen, G., Fana, V., Wiell, C., Døhn, U. M., Bendtsen, Flemming, Seidelin, Jakob Benedict, Burisch, J. & Østergaard, Mikkel, 2024, (E-pub ahead of print) In: Journal of Crohn's & colitis.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Predictors of DAPSA28 remission in patients with psoriatic arthritis initiating a first TNF inhibitor: results from 13 European registries

    Linde, L., Ørnbjerg, L. M., Georgiadis, S., Rasmussen, S. H., Lindström, U., Askling, J., Michelsen, B., Di Giuseppe, D., Wallman, J. K., Gudbjornsson, B., Love, T. J., Nordström, D. C., Yli-Kerttula, T., Nekvindová, L., Vencovský, J., Iannone, F., Cauli, A., Loft, A. G., Glintborg, B., Laas, K. & 13 others, Rotar, Z., Tomšič, M., MacFarlane, G. J., Möller, B., Van De Sande, M., Codreanu, C., Nissen, M. J., Birlik, M., Erten, S., Santos, M. J., Vieira-Sousa, E., Hetland, Merete Lund & Østergaard, Mikkel, 2024, In: Rheumatology (United Kingdom). 63, 3, p. 751-764 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Prognostic value of the clinical and imaging arm of the ASAS criteria for progression of structural sacroiliac joint lesions

    Arnbak, B., Jensen, T. S., Hendricks, O., Østergaard, Mikkel, Zejden, A., Jurik, A. G. & Manniche, C., 2024, In: Modern Rheumatology. 34, 2, p. 391–398 8 p., roac154.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. E-pub ahead of print

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

    Linde, L., Ørnbjerg, L. M., Brahe, C. H., Wallman, J. K., Di Giuseppe, D., Závada, J., Castrejon, I., Díaz-Gonzalez, F., Rotar, Z., Tomšič, M., Glintborg, B., Gudbjornsson, B., Geirsson, A. J., Michelsen, B., Kristianslund, E. K., Santos, M. J., Barcelos, A., Nordström, D., Eklund, K. K., Ciurea, A. & 6 others, Nissen, M., Akar, S., Hyldstrup, L. H., Krogh, N. S., Hetland, Merete Lund & Østergaard, Mikkel, 2024, (E-pub ahead of print) In: Rheumatology (Oxford, England).

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Sex Differences in the Effectiveness of First-Line Tumor Necrosis Factor Inhibitors in Psoriatic Arthritis: Results From the European Spondyloarthritis Research Collaboration Network

    Hellamand, P., van de Sande, M. G. H., Ørnbjerg, L. M., Klausch, T., Eklund, K. K., Relas, H., Santos, M. J., Vieira-Sousa, E., Loft, A. G., Glintborg, B., Østergaard, M., Lindström, U., Wallman, J. K., Michelsen, B., Fagerli, K. M., Castrejón, I., Gudbjornsson, B., Love, T. J., Vencovský, J., Nekvindová, L. & 13 others, Rotar, Ž., Tomšič, M., Díaz-González, F., Kenar, G., Tuğsal, H. Y., Iannone, F., Ramonda, R., Codreanu, C., Mogosan, C., Nissen, M. J., Möller, B., Hetland, Merete Lund & van der Horst-Bruinsma, I. E., 2024, In: Arthritis and Rheumatology. 76, 4, p. 587-598 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Solid validity evidence for two tools assessing competences in musculoskeletal ultrasound: a validity study

    Carstensen, S. M. D., Just, S. A., Pfeiffer-Jensen, M., Østergaard, Mikkel, Konge, Lars & Terslev, Lene, 2024, In: Rheumatology (United Kingdom). 63, 3, p. 765-771 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    The OMERACT whole-body MRI scoring system for inflammation in peripheral joints and entheses (WIPE) in spondyloarthritis - reference image atlas for the knee region

    Østergaard, Mikkel, Wetterslev, M., Hadsbjerg, A. E., Maksymowych, W. P., Eshed, I., Jans, L., Emad, Y., Pedersen, S. J., Stoenoiu, M. S., Bird, P., Foltz, V., Mathew, A. J., Paschke, J., Carron, P., De Marco, G., Marzo-Ortega, H., Møller-Bisgaard, S., Conaghan, P. G. & Lambert, R. G., 2024, In: Seminars in Arthritis and Rheumatism. 65, 7 p., 152384.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Ultrasound in the Management of Patients With Psoriatic Arthritis: Systematic Literature Review and Novel Algorithms for Pragmatic Use

    Gouze, H., Backhaus, M., Balint, P., Matteo, A. D., Grassi, W., Iagnocco, A., Naredo, E., Wakefield, R. J., Østergaard, Mikkel, Emery, P. & D’Agostino, M. A., 2024, In: Journal of Rheumatology. 51, 1, p. 50-60 11 p.

    Research output: Contribution to journalReviewResearchpeer-review

  24. Published

    Urinary prostanoids are elevated by anti-TNF and anti-IL6 receptor disease-modifying antirheumatic drugs but are not predictive of response to treatment in early rheumatoid arthritis

    Liu, J., Idborg, H., Korotkova, M., Lend, K., van Vollenhoven, R., Lampa, J., Rudin, A., Nordström, D., Gudbjornsson, B., Gröndal, G., Uhlig, T., Hørslev-Petersen, K., Hetland, Merete Lund, Østergaard, Mikkel, Nurmohamed, M. & Jakobsson, P. J., 2024, In: Arthritis Research and Therapy. 26, 1, 9 p., 61.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Validation of SPARCC MRI-RETIC e-tools for increasing scoring proficiency of MRI sacroiliac joint lesions in axial spondyloarth

    Maksymowych, W., Hadsbjerg, A. E. F. E. F., Østergaard, M., Micheroli, R., Pedersen, S. J., Ciurea, A., Vladimirova, N., Nissen, M. S., Bubova, K., Wichuk, S., de Hooge, M., Mathew, A. J., Pintaric, K., Gregová, M., Snoj, Z., Wetterslev, M., Gorican, K., Möller, B., Eshed, I., Paschke, J. & 1 others, Lambert, R. G., 2024, In: RMD Open. 10, 1, 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 2023
  27. Published

    Response to: 'Correspondence on 'MRI lesions in the sacroiliac joints of patients with spondyloarthritis: An update of definitions and validation by the ASAS MRI working group'' by Jibri et al

    Maksymowych, W. P., Lambert, R. G. W., Østergaard, Mikkel & Baraliakos, X., 1 May 2023, In: Annals of the Rheumatic Diseases. 82, 5, p. E112 1 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

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