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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).

Syversen SW, Goll GL, Jørgensen KK, Olsen IC, Sandanger Ø, Gehin JE, Warren DJ, Sexton J, Mørk C, Jahnsen J, Kvien TK, Bolstad N, Haavardsholm EA.

Trials. 2020 Jan 6;21(1):13. doi: 10.1186/s13063-019-3734-4.


Subclinical Treatment Targets in Rheumatology: Lessons from Randomized Clinical Trials in Rheumatoid Arthritis.

Lillegraven S, Haavardsholm EA.

Rheum Dis Clin North Am. 2019 Nov;45(4):593-604. doi: 10.1016/j.rdc.2019.07.007. Review.


Peptidylarginine deiminase 4 (PAD4) activity in early rheumatoid arthritis.

Jonsson MK, Kantyka T, Falkowski K, Aliko A, Aga AB, Lillegraven S, Sexton J, Fevang BT, Mydel P, Haavardsholm EA.

Scand J Rheumatol. 2019 Sep 23:1-9. doi: 10.1080/03009742.2019.1641216. [Epub ahead of print]


Trends in all-cause and cardiovascular mortality in patients with incident rheumatoid arthritis: a 20-year follow-up matched case-cohort study.

Provan SA, Lillegraven S, Sexton J, Angel K, Austad C, Haavardsholm EA, Kvien TK, Uhlig T.

Rheumatology (Oxford). 2019 Aug 29. pii: kez371. doi: 10.1093/rheumatology/kez371. [Epub ahead of print]


Assessing synovitis in the hands in patients with rheumatoid arthritis by ultrasound: an agreement study exploring the most inflammatory active side from two Norwegian trials.

Terslev L, Christensen R, Aga AB, Sexton J, Haavardsholm EA, Hammer HB.

Arthritis Res Ther. 2019 Jul 5;21(1):166. doi: 10.1186/s13075-019-1930-y.


Swollen, but not tender joints, are independently associated with ultrasound synovitis: results from a longitudinal observational study of patients with established rheumatoid arthritis.

Hammer HB, Michelsen B, Sexton J, Haugen IK, Provan SA, Haavardsholm EA, Uhlig T, Kvien TK.

Ann Rheum Dis. 2019 Sep;78(9):1179-1185. doi: 10.1136/annrheumdis-2019-215321. Epub 2019 Jun 6.


Validity and Responsiveness of Combined Inflammation and Combined Joint Damage Scores Based on the OMERACT Rheumatoid Arthritis MRI Scoring System (RAMRIS).

Sundin U, Østergaard M, Glinatsi D, Aga AB, Hørslev-Petersen K, Hetland ML, Stengard-Pedersen K, Junker P, Ejbjerg BJ, Bird P, Conaghan PG, Lillegraven S, Haavardsholm EA.

J Rheumatol. 2019 Sep;46(9):1222-1227. doi: 10.3899/jrheum.181064. Epub 2019 Feb 15.


Long-term efficacy and safety of biosimilar infliximab (CT-P13) after switching from originator infliximab: open-label extension of the NOR-SWITCH trial.

Goll GL, Jørgensen KK, Sexton J, Olsen IC, Bolstad N, Haavardsholm EA, Lundin KEA, Tveit KS, Lorentzen M, Berset IP, Fevang BTS, Kalstad S, Ryggen K, Warren DJ, Klaasen RA, Asak Ø, Baigh S, Blomgren IM, Brenna Ø, Bruun TJ, Dvergsnes K, Frigstad SO, Hansen IM, Hatten ISH, Huppertz-Hauss G, Henriksen M, Hoie SS, Krogh J, Midtgard IP, Mielnik P, Moum B, Noraberg G, Poyan A, Prestegård U, Rashid HU, Strand EK, Skjetne K, Seeberg KA, Torp R, Ystrøm CM, Vold C, Zettel CC, Waksvik K, Gulbrandsen B, Hagfors J, Mørk C, Jahnsen J, Kvien TK.

J Intern Med. 2019 Jun;285(6):653-669. doi: 10.1111/joim.12880. Epub 2019 Apr 12.


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.

Nordberg LB, Lillegraven S, Aga AB, Sexton J, Olsen IC, Lie E, Berner Hammer H, Uhlig T, van der Heijde D, Kvien TK, Haavardsholm EA.

RMD Open. 2018 Nov 16;4(2):e000752. doi: 10.1136/rmdopen-2018-000752. eCollection 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.

Norvang V, Sexton J, Kristianslund EK, Olsen IC, Uhlig T, Bakland G, Krøll F, Rødevand E, Wierød A, Kvien TK, Smolen JS, Aletaha D, Haavardsholm EA.

RMD Open. 2018 Oct 26;4(2):e000773. doi: 10.1136/rmdopen-2018-000773. eCollection 2018.


Comparative analyses of responsiveness between the Rheumatoid Arthritis Impact of Disease score, other patient-reported outcomes and disease activity measures: secondary analyses from the ARCTIC study.

Holten K, Sexton J, Kvien TK, Aga AB, Haavardsholm EA.

RMD Open. 2018 Oct 26;4(2):e000754. doi: 10.1136/rmdopen-2018-000754. eCollection 2018.


Predictors of sustained remission in patients with early rheumatoid arthritis treated according to an aggressive treat-to-target protocol.

Paulshus Sundlisæter N, Olsen IC, Aga AB, Hammer HB, Uhlig T, van der Heijde D, Kvien TK, Lillegraven S, Haavardsholm EA; ARCTIC study group.

Rheumatology (Oxford). 2018 Nov 1;57(11):2022-2031. doi: 10.1093/rheumatology/key202.


The role of anti-citrullinated protein antibody reactivities in an inception cohort of patients with rheumatoid arthritis receiving treat-to-target therapy.

Jonsson MK, Hensvold AH, Hansson M, Aga AB, Sexton J, Mathsson-Alm L, Cornillet M, Serre G, Lillegraven S, Fevang BS, Catrina AI, Haavardsholm EA.

Arthritis Res Ther. 2018 Jul 13;20(1):146. doi: 10.1186/s13075-018-1635-7.


Clinical and ultrasound remission after 6 months of treat-to-target therapy in early rheumatoid arthritis: associations to future good radiographic and physical outcomes.

Paulshus Sundlisæter N, Aga AB, Olsen IC, Hammer HB, Uhlig T, van der Heijde D, Kvien TK, Lillegraven S, Haavardsholm EA; ARCTIC study group.

Ann Rheum Dis. 2018 Oct;77(10):1421-1425. doi: 10.1136/annrheumdis-2017-212830. Epub 2018 Jun 22.


The confidence of rheumatologists about switching to biosimilars for their patients.

Goll GL, Haavardsholm EA, Kvien TK.

Joint Bone Spine. 2018 Oct;85(5):507-509. doi: 10.1016/j.jbspin.2018.03.009. Epub 2018 Apr 6. Review. No abstract available.


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.

Nordberg LB, Lillegraven S, Aga AB, Sexton J, Lie E, Hammer HB, Olsen IC, Uhlig T, van der Heijde D, Kvien TK, Haavardsholm EA.

Arthritis Rheumatol. 2018 Aug;70(8):1192-1199. doi: 10.1002/art.40494. Epub 2018 Jun 29.


Response to: 'Calprotectin is not independent from baseline erosion in predicting radiological progression in early rheumatoid arthritis' by Chevreau et al.

Jonsson MK, Sundlisæter NP, Nordal HH, Hammer HB, Aga AB, van der Heijde D, Kvien TK, Fevang BS, Lillegraven S, Haavardsholm EA.

Ann Rheum Dis. 2018 Dec;77(12):e85. doi: 10.1136/annrheumdis-2017-212869. Epub 2018 Jan 10. No abstract available.


Calprotectin as a marker of inflammation in patients with early rheumatoid arthritis.

Jonsson MK, Sundlisæter NP, Nordal HH, Hammer HB, Aga AB, Olsen IC, Brokstad KA, van der Heijde D, Kvien TK, Fevang BS, Lillegraven S, Haavardsholm EA.

Ann Rheum Dis. 2017 Dec;76(12):2031-2037. doi: 10.1136/annrheumdis-2017-211695. Epub 2017 Aug 16.


The OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging (MRI) Scoring System: Updated Recommendations by the OMERACT MRI in Arthritis Working Group.

Østergaard M, Peterfy CG, Bird P, Gandjbakhch F, Glinatsi D, Eshed I, Haavardsholm EA, Lillegraven S, Bøyesen P, Ejbjerg B, Foltz V, Emery P, Genant HK, Conaghan PG.

J Rheumatol. 2017 Nov;44(11):1706-1712. doi: 10.3899/jrheum.161433. Epub 2017 Aug 15.


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.

Jørgensen KK, Olsen IC, Goll GL, Lorentzen M, Bolstad N, Haavardsholm EA, Lundin KEA, Mørk C, Jahnsen J, Kvien TK; NOR-SWITCH study group.

Lancet. 2017 Jun 10;389(10086):2304-2316. doi: 10.1016/S0140-6736(17)30068-5. Epub 2017 May 11. Erratum in: Lancet. 2017 Jun 10;389(10086):2286.


Development and Validation of the OMERACT Rheumatoid Arthritis Magnetic Resonance Tenosynovitis Scoring System in a Multireader Exercise.

Glinatsi D, Bird P, Gandjbakhch F, Haavardsholm EA, Peterfy CG, Vital EM, Emery P, Conaghan PG, Østergaard M.

J Rheumatol. 2017 Nov;44(11):1688-1693. doi: 10.3899/jrheum.161097. Epub 2017 May 1.


Head-to-head comparison of aggressive conventional therapy and three biological treatments and comparison of two de-escalation strategies in patients who respond to treatment: study protocol for a multicenter, randomized, open-label, blinded-assessor, phase 4 study.

Glinatsi D, Heiberg MS, Rudin A, Nordström D, Haavardsholm EA, Gudbjornsson B, Østergaard M, Uhlig T, Grondal G, Hørslev-Petersen K, van Vollenhoven R, Hetland ML.

Trials. 2017 Apr 4;18(1):161. doi: 10.1186/s13063-017-1891-x.


Development of a feasible and responsive ultrasound inflammation score for rheumatoid arthritis through a data-driven approach.

Aga AB, Berner Hammer H, Christoffer Olsen I, Uhlig T, Kvien TK, van der Heijde D, Fremstad H, Madland TM, Lexberg ÅS, Haukeland H, Rødevand E, Høili C, Stray H, Noraas AL, Widding Hansen IJ, Bakland G, Lillegraven S, Lie E, Haavardsholm EA.

RMD Open. 2016 Dec 16;2(2):e000325. doi: 10.1136/rmdopen-2016-000325. eCollection 2016.


Diagnosis and management of rheumatoid arthritis; What is the current role of established and new imaging techniques in clinical practice?

D'Agostino MA, Haavardsholm EA, van der Laken CJ.

Best Pract Res Clin Rheumatol. 2016 Aug;30(4):586-607. doi: 10.1016/j.berh.2016.10.011. Epub 2016 Nov 22. Review.


Imaging: MRI in healthy volunteers - important to do, and do correctly.

Østergaard M, Haavardsholm EA.

Nat Rev Rheumatol. 2016 Oct;12(10):563-4. doi: 10.1038/nrrheum.2016.142. Epub 2016 Sep 2. No abstract available.


Ultrasound in management of rheumatoid arthritis: ARCTIC randomised controlled strategy trial.

Haavardsholm EA, Aga AB, Olsen IC, Lillegraven S, Hammer HB, Uhlig T, Fremstad H, Madland TM, Lexberg ÅS, Haukeland H, Rødevand E, Høili C, Stray H, Noraas A, Hansen IJ, Bakland G, Nordberg LB, van der Heijde D, Kvien TK.

BMJ. 2016 Aug 16;354:i4205. doi: 10.1136/bmj.i4205.


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.

Nordberg LB, Lillegraven S, Lie E, Aga AB, Olsen IC, Hammer HB, Uhlig T, Jonsson MK, van der Heijde D, Kvien TK, Haavardsholm EA; and the ARCTIC working group.

Ann Rheum Dis. 2017 Feb;76(2):341-345. doi: 10.1136/annrheumdis-2015-208873. Epub 2016 Apr 19.


Effectiveness of an Integrated Multidisciplinary Osteoarthritis Outpatient Program versus Outpatient Clinic as Usual: A Randomized Controlled Trial.

Moe RH, Grotle M, Kjeken I, Olsen IC, Mowinckel P, Haavardsholm EA, Hagen KB, Kvien TK, Uhlig T.

J Rheumatol. 2016 Feb;43(2):411-8. doi: 10.3899/jrheum.150157. Epub 2015 Dec 15.


First step in the development of an ultrasound joint inflammation score for rheumatoid arthritis using a data-driven approach.

Aga AB, Hammer HB, Olsen IC, Uhlig T, Kvien TK, van der Heijde D, Fremstad H, Madland TM, Lexberg ÅS, Haukeland H, Rødevand E, Høili C, Stray H, Bendvold AN, Soldal DM, Bakland G, Lie E, Haavardsholm EA.

Ann Rheum Dis. 2016 Aug;75(8):1444-51. doi: 10.1136/annrheumdis-2015-207572. Epub 2015 Jun 17.


Validation of the OMERACT Magnetic Resonance Imaging Joint Space Narrowing Score for the Wrist in a Multireader Longitudinal Trial.

Glinatsi D, Lillegraven S, Haavardsholm EA, Eshed I, Conaghan PG, Peterfy C, Gandjbakhch F, Bird P, Bøyesen P, Døhn UM, Genant HK, Østergaard M.

J Rheumatol. 2015 Dec;42(12):2480-5. doi: 10.3899/jrheum.141009. Epub 2015 Feb 15.


The OMERACT MRI in Arthritis Working Group - Update on Status and Future Research Priorities.

Østergaard M, Bird P, Gandjbakhch F, Eshed I, Haugen IK, Haavardsholm EA, Lillegraven S, Foltz V, Glinatsi D, Peterfy C, Ejbjerg B, Bøyesen P, Mease PJ, Hermann KG, Emery P, Genant HK, Conaghan PG.

J Rheumatol. 2015 Dec;42(12):2470-2. doi: 10.3899/jrheum.141248. Epub 2015 Feb 15. Review.


Comprehensive appraisal of magnetic resonance imaging findings in sustained rheumatoid arthritis remission: a substudy.

Ranganath VK, Motamedi K, Haavardsholm EA, Maranian P, Elashoff D, McQueen F, Duffy EL, Bathon JM, Curtis JR, Chen W, Moreland L, Louie J, Amjadi S, O'Dell J, Cofield SS, St Clair EW, Bridges SL Jr, Paulus HE.

Arthritis Care Res (Hoboken). 2015 Jul;67(7):929-39. doi: 10.1002/acr.22541.


NOR-DMARD data management: implementation of data capture from electronic health records.

Olsen IC, Haavardsholm EA, Moholt E, Kvien TK, Lie E.

Clin Exp Rheumatol. 2014 Sep-Oct;32(5 Suppl 85):S-158-62. Epub 2014 Oct 30.


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.

Gandjbakhch F, Haavardsholm EA, Conaghan PG, Ejbjerg B, Foltz V, Brown AK, Døhn UM, Lassere M, Freeston JE, Olsen IC, Bøyesen P, Bird P, Fautrel B, Hetland ML, Emery P, Bourgeois P, Hørslev-Petersen K, Kvien TK, McQueen FM, Østergaard M.

J Rheumatol. 2014 Feb;41(2):398-406. doi: 10.3899/jrheum.131088. Epub 2013 Dec 15.


Iterative development and reliability of the OMERACT hand osteoarthritis MRI scoring system.

Haugen IK, Østergaard M, Eshed I, McQueen FM, Bird P, Gandjbakhch F, Foltz V, Genant H, Peterfy C, Lillegraven S, Haavardsholm EA, Bøyesen P, Conaghan PG.

J Rheumatol. 2014 Feb;41(2):386-91. doi: 10.3899/jrheum.131086. Epub 2013 Dec 1.


Time trends in disease activity, response and remission rates in rheumatoid arthritis during the past decade: results from the NOR-DMARD study 2000-2010.

Aga AB, Lie E, Uhlig T, Olsen IC, Wierød A, Kalstad S, Rødevand E, Mikkelsen K, Kvien TK, Haavardsholm EA.

Ann Rheum Dis. 2015 Feb;74(2):381-8. doi: 10.1136/annrheumdis-2013-204020. Epub 2013 Nov 27.


EULAR recommendations for the use of imaging of the joints in the clinical management of rheumatoid arthritis.

Colebatch AN, Edwards CJ, Østergaard M, van der Heijde D, Balint PV, D'Agostino MA, Forslind K, Grassi W, Haavardsholm EA, Haugeberg G, Jurik AG, Landewé RB, Naredo E, O'Connor PJ, Ostendorf B, Potocki K, Schmidt WA, Smolen JS, Sokolovic S, Watt I, Conaghan PG.

Ann Rheum Dis. 2013 Jun;72(6):804-14. doi: 10.1136/annrheumdis-2012-203158. Epub 2013 Mar 21.


Should modern imaging be part of remission criteria in rheumatoid arthritis?

Haavardsholm EA, Lie E, Lillegraven S.

Best Pract Res Clin Rheumatol. 2012 Dec;26(6):767-85. doi: 10.1016/j.berh.2012.10.004. Review.


Performance of matrix-based risk models for rapid radiographic progression in a cohort of patients with established rheumatoid arthritis.

Lillegraven S, Paynter N, Prince FH, Shadick NA, Haavardsholm EA, Frits ML, Iannaccone CK, Kvien TK, Weinblatt ME, Solomon DH.

Arthritis Care Res (Hoboken). 2013 Apr;65(4):526-33. doi: 10.1002/acr.21870.


Advances in imaging.

Hammer HB, Haavardsholm EA.

Curr Opin Rheumatol. 2012 May;24(3):299-305. doi: 10.1097/BOR.0b013e3283521c90. Review.


What is the clinical relevance of erosions and joint space narrowing in RA?

Lillegraven S, van der Heijde D, Uhlig T, Kvien TK, Haavardsholm EA.

Nat Rev Rheumatol. 2012 Jan 17;8(2):117-20. doi: 10.1038/nrrheum.2011.202. Review.


Development of a brief multidisciplinary education programme for patients with osteoarthritis.

Moe RH, Haavardsholm EA, Grotle M, Steen E, Kjeken I, Hagen KB, Uhlig T.

BMC Musculoskelet Disord. 2011 Nov 11;12:257. doi: 10.1186/1471-2474-12-257.


Remission and radiographic outcome in rheumatoid arthritis: application of the 2011 ACR/EULAR remission criteria in an observational cohort.

Lillegraven S, Prince FH, Shadick NA, Bykerk VP, Lu B, Frits ML, Iannaccone CK, Kvien TK, Haavardsholm EA, Weinblatt ME, Solomon DH.

Ann Rheum Dis. 2012 May;71(5):681-6. doi: 10.1136/ard.2011.154625. Epub 2011 Oct 12.


Development and preliminary validation of a magnetic resonance imaging joint space narrowing score for use in rheumatoid arthritis: potential adjunct to the OMERACT RA MRI scoring system.

Ostergaard M, Bøyesen P, Eshed I, Gandjbakhch F, Lillegraven S, Bird P, Foltz V, Boonen A, Lassere M, Hermann KG, Anandarajah A, Døhn UM, Freeston J, Peterfy CG, Genant HK, Haavardsholm EA, McQueen FM, Conaghan PG.

J Rheumatol. 2011 Sep;38(9):2045-50. doi: 10.3899/jrheum.110422.


Synovitis and osteitis are very frequent in rheumatoid arthritis clinical remission: results from an MRI study of 294 patients in clinical remission or low disease activity state.

Gandjbakhch F, Conaghan PG, Ejbjerg B, Haavardsholm EA, Foltz V, Brown AK, Møller Døhn U, Lassere M, Freeston J, Bøyesen P, Bird P, Fautrel B, Hetland ML, Emery P, Bourgeois P, Hørslev-Petersen K, Kvien TK, McQueen F, Ostergaard M.

J Rheumatol. 2011 Sep;38(9):2039-44. doi: 10.3899/jrheum.110421.


The OMERACT Psoriatic Arthritis Magnetic Resonance Imaging Score (PsAMRIS) is reliable and sensitive to change: results from an OMERACT workshop.

Bøyesen P, McQueen FM, Gandjbakhch F, Lillegraven S, Coates L, Wiell C, Haavardsholm EA, Conaghan PG, Peterfy CG, Bird P, Ostergaard M.

J Rheumatol. 2011 Sep;38(9):2034-8. doi: 10.3899/jrheum.110420.


Update on research and future directions of the OMERACT MRI inflammatory arthritis group.

Conaghan PG, McQueen FM, Bird P, Peterfy CG, Haavardsholm EA, Gandjbakhch F, Bøyesen P, Coates L, Ejbjerg B, Eshed I, Foltz V, Hermann KG, Freeston J, Lillegraven S, Lassere M, Wiell C, Anandarajah A, Duer-Jensen A, O'Connor P, Genant HK, Emery P, Ostergaard M.

J Rheumatol. 2011 Sep;38(9):2031-3. doi: 10.3899/jrheum.110419. Review.


Examination of intra and interrater reliability with a new ultrasonographic reference atlas for scoring of synovitis in patients with rheumatoid arthritis.

Hammer HB, Bolton-King P, Bakkeheim V, Berg TH, Sundt E, Kongtorp AK, Haavardsholm EA.

Ann Rheum Dis. 2011 Nov;70(11):1995-8. doi: 10.1136/ard.2011.152926. Epub 2011 Jul 22.


Tenosynovitis of the extensor carpi ulnaris tendon predicts erosive progression in early rheumatoid arthritis.

Lillegraven S, Bøyesen P, Hammer HB, Østergaard M, Uhlig T, Sesseng S, Kvien TK, Haavardsholm EA.

Ann Rheum Dis. 2011 Nov;70(11):2049-50. doi: 10.1136/ard.2011.151316. Epub 2011 Apr 24. No abstract available.


Hand osteoarthritis and MRI: development and first validation step of the proposed Oslo Hand Osteoarthritis MRI score.

Haugen IK, Lillegraven S, Slatkowsky-Christensen B, Haavardsholm EA, Sesseng S, Kvien TK, van der Heijde D, Bøyesen P.

Ann Rheum Dis. 2011 Jun;70(6):1033-8. doi: 10.1136/ard.2010.144527. Epub 2011 Mar 24.


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