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The Capital Region of Denmark - a part of Copenhagen University Hospital
  1. 2022
  2. Published

    Physicians' vs patients' global assessments of disease activity in rheumatology and musculoskeletal trials: A meta-research project with focus on reasons for discrepancies

    Lynæs, C., Lynæs, M., Simon, L. S., Tugwell, P., D'Agostino, M-A., Strand, V., Juhl, C. B., Nielsen, S. M., De Witt, M., Beaton, D., Maxwell, L. J., Meara, A. S., Christensen, R. & on-behalf-of-the-OMERACT-Technical-Advisory-Group-(TAG), Oct 2022, In: Seminars in Arthritis and Rheumatism. 56, p. 152074 152074.

    Research output: Contribution to journalReviewpeer-review

  3. E-pub ahead of print
  4. Published
  5. Published

    Effect of initiating biologics compared to intensifying conventional DMARDs on clinical and MRI outcomes in established rheumatoid arthritis patients in clinical remission: Secondary analyses of the IMAGINE-RA trial

    Møller-Bisgaard, S., Hørslev-Petersen, K., Ejbjerg, B., Hetland, M. L., Christensen, R., Ørnbjerg, L. M., Glinatsi, D., Møller, J. M., Boesen, M., Stengaard-Pedersen, K., Madsen, O. R., Jensen, B., Villadsen, J. A., Hauge, E. M., Bennett, P., Hendricks, O., Asmussen, K., Kowalski, M., Lindegaard, H., Bliddal, H. & 7 others, Krogh, N. S., Ellingsen, T., Nielsen, A. H., Larsen, L., Jurik, A. G., Thomsen, H. S. & Østergaard, M., Jul 2022, In: Scandinavian Journal of Rheumatology. 51, 4, p. 268-278 11 p.

    Research output: Contribution to journalJournal articlepeer-review

  6. Published
  7. Published
  8. Published
  9. Published
  10. Published
  11. Published

    Using a novel smartphone application for capturing of patient-reported outcome measures among patients with inflammatory arthritis:A randomized, crossover, agreement study

    Uhrenholt, L., Christensen, R., Dreyer, L., Schlemmer, A., Hauge, E-M., Krogh, N. S., Abildtoft, M. K., Taylor, P. C. & Kristensen, S., Jan 2022, In: Scandinavian Journal of Rheumatology. 51, 1, p. 25-33 9 p.

    Research output: Contribution to journalJournal articlepeer-review

  12. E-pub ahead of print
  13. E-pub ahead of print
  14. Published
  15. 2021
  16. Published
  17. Published

    Diagnostic accuracy of vascular ultrasound in patients with suspected giant cell arteritis (EUREKA): a prospective, multicentre, non-interventional, cohort study

    Chrysidis, S., Døhn, U. M., Terslev, L., Fredberg, U., Lorenzen, T., Christensen, R., Larsen, K. & Diamantopoulos, A. P., Dec 2021, In: The Lancet Rheumatology. 3, 12, p. e865-e873

    Research output: Contribution to journalJournal articlepeer-review

  18. Published

    Outcome measurement instrument selection for lung physiology in systemic sclerosis associated interstitial lung disease: A systematic review using the OMERACT filter 2.1 process

    Roofeh, D., Barratt, S. L., Wells, A. U., Kawano-Dourado, L., Tashkin, D., Strand, V., Seibold, J., Proudman, S., Brown, K. K., Dellaripa, P. F., Doyle, T., Leonard, T., Matteson, E. L., Oddis, C. V., Solomon, J. J., Sparks, J. A., Vassallo, R., Maxwell, L., Beaton, D., Christensen, R. & 2 others, Townsend, W. & Khanna, D., Dec 2021, In: Seminars in Arthritis and Rheumatism. 51, 6, p. 1331-1341 11 p.

    Research output: Contribution to journalJournal articlepeer-review

  19. Published

    Serum urate as a proposed surrogate outcome measure in gout trials: From the OMERACT working group

    Morillon, M. B., Christensen, R., Singh, J. A., Dalbeth, N., Saag, K., Taylor, W. J., Neogi, T., Kennedy, M. A., Pedersen, B. M., McCarthy, G. M., Shea, B., Diaz-Torne, C., Tedeschi, S. K., Grainger, R., Abhishek, A., Gaffo, A., Nielsen, S. M., Noerup, A., Simon, L. S., Lassere, M. & 3 others, Tugwell, P., Stamp, L. K. & Gout Working Group, F. T. O., Dec 2021, In: Seminars in Arthritis and Rheumatism. 51, 6, p. 1378-1385 8 p.

    Research output: Contribution to journalReviewpeer-review

  20. Published

    The evolution of instrument selection for inclusion in core outcome sets at OMERACT: Filter 2.2

    Maxwell, L. J., Beaton, D. E., Boers, M., D'Agostino, M. A., Conaghan, P. G., Grosskleg, S., Shea, B. J., Bingham Iii, C. O., Boonen, A., Christensen, R., Choy, E., Doria, A. S., Hill, C. L., Hofstetter, C., Kroon, F. P., Leung, Y. Y., Mackie, S., Meara, A., Touma, Z., Tugwell, P. & 1 others, Wells, G. A., Dec 2021, In: Seminars in Arthritis and Rheumatism. 51, 6, p. 1320-1330 11 p.

    Research output: Contribution to journalJournal articlepeer-review

  21. Published

    Low-dose naltrexone for the treatment of fibromyalgia: protocol for a double-blind, randomized, placebo-controlled trial

    Bruun, K. D., Amris, K., Vaegter, H. B., Blichfeldt-Eckhardt, M. R., Holsgaard-Larsen, A., Christensen, R. & Toft, P., 15 Nov 2021, In: Trials. 22, 1, p. 804 804.

    Research output: Contribution to journalJournal articlepeer-review

  22. E-pub ahead of print

    Biopsychosocial rehabilitation for inflammatory arthritis and osteoarthritis: A systematic review and meta-analysis of randomized trials

    Pedersen, M. B., Thinggaard, P., Geenen, R., Rasmussen, M. U., De Wit, M., March, L., Mease, P., Choy, E., Conaghan, P. G., Simon, L., Hansen, A. F., Tarp, S., Schiøttz-Christensen, B., Juhl, C. B., Nielsen, S. M., Amris, K. & Christensen, R., 8 Nov 2021, (E-pub ahead of print) In: Arthritis Care & Research.

    Research output: Contribution to journalJournal articlepeer-review

  23. Published

    Patient-reported outcome measures in systemic lupus erythematosus by a web-based application: A randomized, crossover, agreement study

    Uhrenholt, L., Høstgaard, S., Pedersen, J. F., Christensen, R., Dreyer, L., Leffers, H. C. B., Taylor, P. C., Strand, V., Jacobsen, S., Voss, A., Gregersen, J. W. & Kristensen, S., Nov 2021, In: Lupus. 30, 13, p. 2124-2134 11 p.

    Research output: Contribution to journalJournal articlepeer-review

  24. Published

    Total hip arthroplasty versus progressive resistance training in patients with severe hip osteoarthritis: protocol for a multicentre, parallel-group, randomised controlled superiority trial

    Frydendal, T., Christensen, R., Mechlenburg, I., Mikkelsen, L. R., Overgaard, S. & Ingwersen, K. G., 22 Oct 2021, In: BMJ Open. 11, 10, p. e051392 051392.

    Research output: Contribution to journalJournal articlepeer-review

  25. Published

    Developing a composite outcome tool to measure response to treatment in ANCA-associated vasculitis: A mixed methods study from OMERACT 2020

    Quinn, K. A., Monti, S., Christensen, R., Jayne, D., Langford, C. A., Lanier, G. E., Mahr, A., Pagnoux, C., Shea, B., Tugwell, P., Viðarsdóttir, M. B., Tomasson, G. & Merkel, P. A., Oct 2021, In: Seminars in Arthritis and Rheumatism. 51, 5, p. 1134-1138 5 p.

    Research output: Contribution to journalJournal articlepeer-review

  26. Published

    Development of a patient-centered core domain set for prospective observational longitudinal outcome studies in rheumatoid arthritis: an OMERACT initiative

    Bruera, S., Carmona, L., Lopez-Olivo, M. A., Westrich-Robertson, T., March, L., Negron, J. B., Christensen, R., Strand, V., Ingegnoli, F., Goel, N., Shea, B., Tugwell, P., Leong, A., Bingham, C. O., Hill, C. L. & Suarez-Almazor, M. E., Oct 2021, In: Seminars in Arthritis and Rheumatism. 51, 5, p. 1113-1116 4 p.

    Research output: Contribution to journalJournal articlepeer-review

  27. Published

    Improving benefit-harm assessment of glucocorticoid therapy incorporating the patient perspective: The OMERACT glucocorticoid core domain set

    Tieu, J., Cheah, J. T., Black, R. J., Christensen, R., Ghosh, N., Richards, P., Robson, J., Shea, B., Simon, L. S., Singhi, J. A., Tugwell, P., Boers, M., Garibay, M. A. A., Campochiaro, C., Decary, S., de Witt, M., Fernandez, A. P., Keen, H. I., King, L., Hinojosa-Azaola, A. & 20 others, Hofstetter, C., Gaydukova, I., George, M. D., Gupta, L., Lyne, S., Makol, A., Mukhtyar, C., Oo, W. M., Petri, M., Pisaniello, H. L., Sattui, S. E., Russell, O., Teixeira, V., Toupin-April, K., Uhunmwangho, C., Whitstock, M., Yip, K., Mackie, S. L., Goodman, S. M. & Hill, C. L., Oct 2021, In: Seminars in Arthritis and Rheumatism. 51, 5, p. 1139-1145 7 p.

    Research output: Contribution to journalJournal articlepeer-review

  28. Published

    Improving domain definition and outcome instrument selection: Lessons learned for OMERACT from imaging

    D'Agostino, M. A., Beaton, D. E., Maxwell, L. J., Cembalo, S. M., Hoens, A. M., Hofstetter, C., Zabalan, C., Bird, P., Christensen, R., de Wit, M., Doria, A. S., Maksymowych, W. P., Oo, W. M., Østergaard, M., Serban, T., Sloan, V. S., Terslev, L., van Rossum, M. A., Conaghan, P. G. & Boers, M., Oct 2021, In: Seminars in Arthritis and Rheumatism. 51, 5, p. 1125-1133 9 p.

    Research output: Contribution to journalJournal articlepeer-review

  29. Published

    Less improvement following meniscal repair compared with arthroscopic partial meniscectomy: a prospective cohort study of patient-reported outcomes in 150 young adults at 1- and 5-years' follow-up

    Pihl, K., Englund, M., Christensen, R., Lohmander, L. S., Jørgensen, U., Viberg, B., Fristed, J. V. & Thorlund, J. B., Oct 2021, In: Acta Orthopaedica . 92, 5, p. 589-596 8 p.

    Research output: Contribution to journalJournal articlepeer-review

  30. Published

    OMERACT Filter 2.1 instrument selection for physical function domain in psoriatic arthritis: Provisional endorsement for HAQ-DI and SF-36 PF

    Leung, Y-Y., Orbai, A-M., Hojgaard, P., Holland, R., Mathew, A. J., Goel, N., Chau, J., Tillett, W., Lindsay, C., Ogdie, A., Coates, L. C., Gladman, D. D., Christensen, R., Mease, P. & Strand, V., Oct 2021, In: Seminars in Arthritis and Rheumatism. 51, 5, p. 1117-1124 8 p.

    Research output: Contribution to journalJournal articlepeer-review

  31. Published

    Test-retest Reliability for HAQ-DI and SF-36 PF for the Measurement of Physical Function in Psoriatic Arthritis

    Leung, Y. Y., Tillett, W., Hojgaard, P., Orbai, A-M., Holland, R., Mathew, A. J., Goel, N., Chau, J., Lindsay, C. A., Ogdie, A., Coates, L. C., Christensen, R., Mease, P. J., Strand, V. & Gladman, D. D., Oct 2021, In: Journal of Rheumatology. 48, 10, p. 1547-1551 5 p.

    Research output: Contribution to journalJournal articlepeer-review

  32. Published

    Risk of harm in synthetic and biological intervention trials in patients with inflammatory arthritis: protocol for a metaepidemiological study focusing on contextual factors

    Malm, E., Nielsen, S. M., Berg, J., Ioannidis, J. P. A., Furst, D., Smolen, J. S., Taylor, P. C., Kristensen, L. E., Tarp, S., Ellingsen, T. & Christensen, R., 6 Sep 2021, In: BMJ Open. 11, 9, p. e049850 e049850.

    Research output: Contribution to journalJournal articlepeer-review

  33. Published

    GRADE guidelines 32: GRADE offers guidance on choosing targets of GRADE certainty of evidence ratings

    Zeng, L., Brignardello-Petersen, R., Hultcrantz, M., Siemieniuk, R. A. C., Santesso, N., Traversy, G., Izcovich, A., Sadeghirad, B., Alexander, P. E., Devji, T., Rochwerg, B., Murad, M. H., Morgan, R., Christensen, R., Schünemann, H. J. & Guyatt, G. H., Sep 2021, In: Journal of Clinical Epidemiology. 137, p. 163-175 13 p.

    Research output: Contribution to journalJournal articlepeer-review

  34. Published

    Safety and efficacy of faecal microbiota transplantation for active peripheral psoriatic arthritis: an exploratory randomised placebo-controlled trial

    Kragsnaes, M. S., Kjeldsen, J., Horn, H. C., Munk, H. L., Pedersen, J. K., Just, S. A., Ahlquist, P., Pedersen, F. M., de Wit, M., Möller, S., Andersen, V., Kristiansen, K., Kinggaard Holm, D., Holt, H. M., Christensen, R. & Ellingsen, T., Sep 2021, In: Annals of the Rheumatic Diseases. 80, 9, p. 1158-1167 10 p.

    Research output: Contribution to journalJournal articlepeer-review

  35. Published

    Towards development of core domain sets for short term and long term studies of calcium pyrophosphate crystal deposition (CPPD) disease: A framework paper by the OMERACT CPPD working group

    Cai, K., Fuller, A., Zhang, Y., Hensey, O., Grossberg, D., Christensen, R., Shea, B., Singh, J. A., McCarthy, G. M., Rosenthal, A. K., Filippou, G., Taylor, W. J., Diaz-Torne, C., Stamp, L. K., Edwards, N. L., Pascart, T., Becce, F., Nielsen, S. M., Tugwell, P., Beaton, D. & 3 others, Abhishek, A., Tedeschi, S. K. & Dalbeth, N., Aug 2021, In: Seminars in Arthritis and Rheumatism. 51, 4, p. 946-950 5 p.

    Research output: Contribution to journalJournal articlepeer-review

  36. Published
  37. Published

    Effectiveness of Mind-Body Intervention for Inflammatory Conditions: Results from a 26-Week Randomized, Non-Blinded, Parallel-Group Trial

    Nguyen, T. T., Jensen, C. G., Khoury, L., Deleuran, B., Blom, E. S., Breinholt, T., Christensen, R. & Skov, L., 14 Jul 2021, In: Journal of Clinical Medicine. 10, 14, 3107.

    Research output: Contribution to journalJournal articlepeer-review

  38. E-pub ahead of print

    Response to: 'Correspondence on 'Safety and efficacy of faecal microbiota transplantation for active peripheral psoriatic arthritis: an exploratory randomised placebo-controlled trial'' by McGonagle et al

    Kragsnaes, M. S., Kjeldsen, J., Horn, H. C., Munk, H. L., Pedersen, J. K., Just, S. A., Ahlquist, P., Davidsen, J. R., Nilsson, A. C., Röttger, R., Kruhøffer, M., Marchesi, J. R., Kristiansen, K., Christensen, R. & Ellingsen, T., 22 Jun 2021, (E-pub ahead of print) In: Annals of the Rheumatic Diseases. 220910.

    Research output: Contribution to journalComment/debatepeer-review

  39. Published

    Effect Modifiers and Statistical Tests for Interaction in Randomized Trials

    Christensen, R., Bours, M. J. L. & Nielsen, S. M., Jun 2021, In: Journal of Clinical Epidemiology. 134, p. 174-177 4 p.

    Research output: Contribution to journalJournal articlepeer-review

  40. Published

    Endorsement of the OMERACT core domain set for shared decision making interventions in rheumatology trials: Results from a multi-stepped consensus-building approach

    Toupin-April, K., Décary, S., de Wit, M., Meara, A., Barton, J. L., Fraenkel, L., Li, L. C., Brooks, P., Shea, B., Stacey, D., Légaré, F., Lydiatt, A., Hofstetter, C., Proulx, L., Christensen, R., Voshaar, M., Suarez-Almazor, M. E., Boonen, A., Meade, T., March, L. & 52 others, Jull, J. E., Campbell, W., Alten, R., Morgan, E. M., Kelly, A., Kaufman, J., Hill, S., Maxwell, L. J., Guillemin, F., Beaton, D., El-Miedany, Y., Mittoo, S., Westrich Robertson, T., Bartlett, S. J., Singh, J. A., Mannion, M., Nasef, S. I., de Souza, S., Boel, A., Adebajo, A., Arnaud, L., Gill, T. K., Moholt, E., Burt, J., Jayatilleke, A., Hmamouchi, I., Carrott, D., Blanco, F. J., Mather, K., Maharaj, A., Sharma, S., Caso, F., Fong, C., Fernandez, A. P., Mackie, S., Nikiphorou, E., Jones, A., Greer-Smith, R., Sloan, V. S., Akpabio, A., Strand, V., Umaefulam, V., Monti, S., Melburn, C., Abaza, N., Schultz, K., Stones, S., Kiwalkar, S., Srinivasalu, H., Constien, D., King, L. K. & Tugwell, P., Jun 2021, In: Seminars in Arthritis and Rheumatism. 51, 3, p. 593-600 8 p.

    Research output: Contribution to journalJournal articlepeer-review

  41. Published

    Experience and impact of crystal pyrophosphate deposition (CPPD) from a patient and caregiver perspective: A qualitative exploration from the OMERACT CPPD working group

    Fuller, A., Cai, K., Filippou, G., Pascart, T., Diaz-Torne, C., Hensey, O., Grossberg, D., Christensen, R., Shea, B., Singh, J. A., Tedeschi, S. K., Dalbeth, N. & Abhishek, A., Jun 2021, In: Seminars in Arthritis and Rheumatism. 51, 3, p. 655-660 6 p.

    Research output: Contribution to journalJournal articlepeer-review

  42. Published

    Harms reported by patients in rheumatology drug trials: a systematic review of randomized trials in the cochrane library from an OMERACT working group

    OMERACT Safety Working Group, Jun 2021, In: Seminars in Arthritis and Rheumatism. 51, 3, p. 607-617 11 p.

    Research output: Contribution to journalReviewpeer-review

  43. Published

    Instruments Measuring Physical Function for Psoriatic Arthritis Endorsed at GRAPPA 2020 Annual Meeting: Updates of the GRAPPA-OMERACT Working Group

    Leung, Y. Y., Orbai, A-M., Tillett, W., Ogdie, A., Eder, L., Goel, N., Hojgaard, P., Holland, R., Mathew, A. J., Lindsay, C. A., Antony, A., Chau, J., Christensen, R., Coates, L. C., Mease, P. J., Strand, V., FitzGerald, O., de Wit, M., Duffin, K. C. & Gladman, D. D., Jun 2021, In: The Journal of rheumatology. Supplement. 97, p. 60-63 4 p.

    Research output: Contribution to journalJournal articlepeer-review

  44. Published

    OMERACT consensus-based operational definition of contextual factors in rheumatology clinical trials: A mixed methods study

    Nielsen, S. M., Boers, M., de Wit, M., Shea, B., van der Windt, D. A., Reeves, B. C., Beaton, D., Alten, R., Toupin April, K., Boonen, A., Escorpizo, R., Flurey, C., Furst, D. E., Guillemin, F., Leong, A., Pohl, C., Rasmussen, M. U., Singh, J. A., Smolen, J. S., Strand, V. & 8 others, Verstappen, S. M. M., Voshaar, M., Woodworth, T. G., Ellingsen, T., March, L., Wells, G. A., Tugwell, P. & Christensen, R., Jun 2021, In: Seminars in Arthritis and Rheumatism. 51, 3, p. 601-606 6 p.

    Research output: Contribution to journalJournal articlepeer-review

  45. Published

    Outcome domains reported by patients, caregivers, healthcare professionals and stakeholders for calcium pyrophosphate deposition (CPPD): A content analysis based on semi-structured qualitative interviews from the OMERACT CPPD working group

    Fuller, A., Cai, K., Diaz-Torne, C., Filippou, G., Pascart, T., Hensey, O., Grossberg, D., Christensen, R., Shea, B., Singh, J. A., Tedeschi, S. K., Dalbeth, N. & Abhishek, A., Jun 2021, In: Seminars in Arthritis and Rheumatism. 51, 3, p. 650-654 5 p.

    Research output: Contribution to journalJournal articlepeer-review

  46. Published

    Outcomes Reported in Prospective Long-Term Observational Studies and Registries of Patients With Rheumatoid Arthritis Worldwide: An Outcome Measures in Rheumatology Systematic Review

    Lopez-Olivo, M. A., Zogala, R. J., des Bordes, J., Zamora, N. V., Christensen, R., Rai, D., Goel, N., Carmona, L., Pratt, G., Strand, V. & Suarez-Almazor, M. E., May 2021, In: Arthritis Care & Research. 73, 5, p. 649-657 9 p.

    Research output: Contribution to journalReviewpeer-review

  47. Published

    Effectiveness of interdisciplinary combined dermatology-gastroenterology-rheumatology clinical care compared to usual care in patients with immune-mediated inflammatory diseases: a parallel group, non-blinded, pragmatic randomised trial

    Hjuler, K. F., Dige, A., Agnholt, J., Laurberg, T. B., Loft, A. G., Møller, L. F., Christensen, R. & Iversen, L., 28 Apr 2021, In: BMJ Open. 11, 4, p. e041871 e041871.

    Research output: Contribution to journalJournal articlepeer-review

  48. Published
  49. Published

    The Prognostic Value of Pain Phenotyping in Relation to Treatment Outcomes in Patients with Axial Spondyloarthritis Treated in Clinical Practice: A Prospective Cohort Study

    Andreasen, R. A., Kristensen, L. E., Egstrup, K., Baraliakos, X., Strand, V., Horn, H. C., Wied, J., Schiøttz-Christensen, B., Aalykke, C., Jensen Hansen, I. M., Ellingsen, T. & Christensen, R., 1 Apr 2021, In: Journal of Clinical Medicine. 10, 7, 1469.

    Research output: Contribution to journalJournal articlepeer-review

  50. Published

    Measurement properties of radiographic outcome measures in Psoriatic Arthritis: A systematic review from the GRAPPA-OMERACT initiative

    Antony, A., Holland, R., D'Agostino, M-A., Maksymowych, W. P., Bertheussen, H., Schick, L., Goel, N., Ogdie, A., Orbai, A-M., Højgaard, P., Coates, L. C., Strand, V., Gladman, D. D., Christensen, R., Leung, Y. Y., Mease, P. & Tillett, W., Apr 2021, In: Seminars in Arthritis and Rheumatism. 51, 2, p. 367-386 20 p.

    Research output: Contribution to journalReviewpeer-review

  51. Published
  52. Published

    Effectiveness of Transdiagnostic Cognitive-Behavioral Psychotherapy Compared With Management as Usual for Youth With Common Mental Health Problems: A Randomized Clinical Trial

    Jeppesen, P., Wolf, R. T., Nielsen, S. M., Christensen, R., Plessen, K. J., Bilenberg, N., Thomsen, P. H., Thastum, M., Neumer, S-P., Puggaard, L. B., Pedersen, M. M. A., Pagsberg, A. K., Silverman, W. K. & Correll, C. U., 1 Mar 2021, In: JAMA Psychiatry. 78, 3, p. 250-260 11 p.

    Research output: Contribution to journalJournal articlepeer-review

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