Publications by Gro Owren Nygaard

43 publications found

  1. Mäki-Marttunen V, Nerland S, Jørgensen KN, Høgestøl EA, Rokicki J, Alnæs D, Borgwardt S, Boye B, Buitelaar J, Bøen E, Cervenka S, Conzelmann A, Erhardt S, Franke B, Celius EG, Harbo HF, Hilland E, Hoekstra P, Hartman CA, Jonassen R, Jönsson EG, Landrø NI, Lesch KP, Maglanoc LA, Pauli P et al. (2026)
    Thalamic nuclei volumes across psychiatric and neurological disorders: a multi-site magnetic resonance imaging study
    Transl Psychiatry (in press)
    DOI 10.1038/s41398-026-04076-5, PubMed 42129147
  2. Breedt LC, Pontillo G, Santos FAN, Vriend C, Prados F, Wink AM, Bisecco A, Cagol A, Calabrese M, Castellaro M, Collorone S, Cortese R, De Stefano N, Enzinger C, Filippi M, Foster MA, Gallo A, Gonzalez-Escamilla G, Granziera C, Groppa S, Høgestøl EA, Llufriu S, Martinez-Heras E, Solana E, Messina S et al. (2026)
    Structure-function multilayer network integration and cognition in multiple sclerosis
    Netw Neurosci, 10 (2), 400-417
    DOI 10.1162/NETN.a.545, PubMed 42039096
  3. König M, Holmøy T, Nygaard GO, Riise J, Midtvedt K, Goll GL, Jørgensen KK, Munthe LA, Fevang B, Myhre AE, Trøseid M (2026)
    Vaccination of immunosuppressed patients
    Tidsskr Nor Laegeforen, 146 (5)
    DOI 10.4045/tidsskr.25.0555, PubMed 42012114
  4. Høgestøl EA, Brustad ÅW, Celius EG, Meling M, Berg-Hansen P, Kro GB, König M, Schanke Y, Halvorsen B, Warren DJ, Gehin JE, Bolstad N, Nygaard GO (2026)
    Serum drug levels and JCV assay discrepancies after switching from originator to biosimilar natalizumab
    BMJ Neurol Open, 8 (1), e001477
    DOI 10.1136/bmjno-2025-001477, PubMed 41877736
  5. Rasmussen TH, Schikora-Rustad S, Lorentzen ÅR, Tran TT, Øverås MH, Myhr KM, Wergeland S, Aarseth J, Bø L, Berge T, Høgestøl EA, Harbo HF, Tveter AT, Jørgensen KK, Cunen C, Torkildsen Ø, Holmøy T, Celius EG, Vaage JT, Nygaard GO, Lund-Johansen F, König M (2026)
    Low risk of severe COVID-19 in vaccinated people with multiple sclerosis: a nationwide Norwegian study
    BMJ Neurol Open, 8 (1), e001556
    DOI 10.1136/bmjno-2026-001556, PubMed 41835014
  6. Høgestøl EA, Sowa P, Holmøy T, Bø L, Nygaard GO, Wergeland S (2025)
    [Correction: Revised diagnostic criteria for multiple sclerosis]
    Tidsskr Nor Laegeforen, 145
    DOI 10.4045/tidsskr.25.0761, PubMed 41411150
  7. Høgestøl EA, Sowa P, Holmøy T, Bø L, Nygaard GO, Wergeland S (2025)
    Revised diagnostic criteria for multiple sclerosis
    Tidsskr Nor Laegeforen, 145 (15)
    DOI 10.4045/tidsskr.25.0592, PubMed 41410973
  8. Skattebøl L, Lundby R, Øverås MH, Sowa P, Celius EG, Harbo HF, Nordhøy W, Høgestøl EA, Nygaard GO (2025)
    Quantitative susceptibility mapping of paramagnetic rim lesions in early multiple sclerosis: A cross-sectional study of brain age and disability
    Neuroimage Rep, 5 (3), 100277
    DOI 10.1016/j.ynirp.2025.100277, PubMed 41050950
  9. Rød BE, Høgestøl EA, Torkildsen Ø, Bjørnevik K, Gran JM, Øverås MH, König M, Myhr KM, Wergeland S, Nygaard GO (2025)
    Comparative effectiveness of rituximab and cladribine in relapsing-remitting multiple sclerosis: A target trial emulation
    Mult Scler, 31 (8), 975-984
    DOI 10.1177/13524585251342727, PubMed 40415655
  10. Skattebøl L, Nygaard GO, Leonardsen EH, Kaufmann T, Moridi T, Stawiarz L, Ouellette R, Ineichen BV, Ferreira D, Muehlboeck JS, Beyer MK, Sowa P, Manouchehrinia A, Westman E, Olsson T, Celius EG, Hillert J, Kockum I, Harbo HF, Piehl F, Granberg T, Westlye LT, Høgestøl EA (2025)
    Brain age in multiple sclerosis: a study with deep learning and traditional machine learning
    Brain Commun, 7 (3), fcaf152
    DOI 10.1093/braincomms/fcaf152, PubMed 40337466
  11. Pontillo G, Prados F, Wink AM, Kanber B, Bisecco A, Broeders TAA, Brunetti A, Cagol A, Calabrese M, Castellaro M, Cocozza S, Colato E, Collorone S, Cortese R, De Stefano N, Douw L, Enzinger C, Filippi M, Foster MA, Gallo A, Gonzalez-Escamilla G, Granziera C, Groppa S, Harbo HF, Høgestøl EA et al. (2025)
    More Than the Sum of Its Parts: Disrupted Core Periphery of Multiplex Brain Networks in Multiple Sclerosis
    Hum Brain Mapp, 46 (1), e70107
    DOI 10.1002/hbm.70107, PubMed 39740239
  12. Pontillo G, Prados F, Colman J, Kanber B, Abdel-Mannan O, Al-Araji S, Bellenberg B, Bianchi A, Bisecco A, Brownlee WJ, Brunetti A, Cagol A, Calabrese M, Castellaro M, Christensen R, Cocozza S, Colato E, Collorone S, Cortese R, De Stefano N, Enzinger C, Filippi M, Foster MA, Gallo A, Gasperini C et al. (2024)
    Disentangling Neurodegeneration From Aging in Multiple Sclerosis Using Deep Learning: The Brain-Predicted Disease Duration Gap
    Neurology, 103 (10), e209976
    DOI 10.1212/WNL.0000000000209976, PubMed 39496109
  13. Nygaard GO, Holmøy T (2024)
    Norwegian health service should offer stem cell therapy for multiple sclerosis
    Tidsskr Nor Laegeforen, 144 (2)
    DOI 10.4045/tidsskr.23.0770, PubMed 38349100
  14. Wolf AS, Ravussin A, König M, Øverås MH, Solum G, Kjønstad IF, Chopra A, Holmøy T, Harbo HF, Syversen SW, Jørgensen KK, Høgestøl EA, Vaage JT, Celius EG, Lund-Johansen F, Munthe LA, Nygaard GO, Mjaaland S (2023)
    T cell responses to SARS-CoV-2 vaccination differ by disease-modifying therapy for multiple sclerosis
    JCI Insight, 8 (12)
    DOI 10.1172/jci.insight.165111, PubMed 37159281
  15. Tran TT, Vaage EB, Mehta A, Chopra A, Tietze L, Kolderup A, Anthi A, König M, Nygaard G, Lind A, Müller F, Nissen-Meyer LS, Magnus P, Trogstad L, Mjaaland S, Søraas A, Midtvedt K, Åsberg A, Barratt-Due A, Medhus AW, Høivik ML, Lundin K, Karlsen RF, Dahle R, Danielsson K et al. (2023)
    Author Correction: Titers of antibodies against ancestral SARS-CoV-2 correlate with levels of neutralizing antibodies to multiple variants
    NPJ Vaccines, 8 (1), 4
    DOI 10.1038/s41541-023-00600-6, PubMed 36697432
  16. Tran TT, Vaage EB, Mehta A, Chopra A, Tietze L, Kolderup A, Anthi A, König M, Nygaard G, Lind A, Müller F, Nissen-Meyer LS, Magnus P, Trogstad L, Mjaaland S, Søraas A, Midtvedt K, Åsberg A, Barratt-Due A, Medhus AW, Høivik ML, Lundin K, Karlsen RF, Dahle R, Danielsson K et al. (2022)
    Titers of antibodies against ancestral SARS-CoV-2 correlate with levels of neutralizing antibodies to multiple variants
    NPJ Vaccines, 7 (1), 174
    DOI 10.1038/s41541-022-00586-7, PubMed 36585405
  17. Nygaard GO, Torgauten H, Skattebøl L, Høgestøl EA, Sowa P, Myhr KM, Torkildsen Ø, Celius EG (2022)
    Risk of fingolimod rebound after switching to cladribine or rituximab in multiple sclerosis
    Mult Scler Relat Disord, 62, 103812
    DOI 10.1016/j.msard.2022.103812, PubMed 35462167
  18. Riise J, Meyer S, Blaas I, Chopra A, Tran TT, Delic-Sarac M, Hestdalen ML, Brodin E, Rustad EH, Dai KZ, Vaage JT, Nissen-Meyer LSH, Sund F, Wader KF, Bjornevik AT, Meyer PA, Nygaard GO, König M, Smeland S, Lund-Johansen F, Olweus J, Kolstad A (2022)
    Rituximab-treated patients with lymphoma develop strong CD8 T-cell responses following COVID-19 vaccination
    Br J Haematol, 197 (6), 697-708
    DOI 10.1111/bjh.18149, PubMed 35254660
  19. König M, Torgauten HM, Tran TT, Holmøy T, Vaage JT, Lund-Johansen F, Nygaard GO (2022)
    Immunogenicity and Safety of a Third SARS-CoV-2 Vaccine Dose in Patients With Multiple Sclerosis and Weak Immune Response After COVID-19 Vaccination
    JAMA Neurol, 79 (3), 307-309
    DOI 10.1001/jamaneurol.2021.5109, PubMed 35072702
  20. König M, Lorentzen ÅR, Torgauten HM, Tran TT, Schikora-Rustad S, Vaage EB, Mygland Å, Wergeland S, Aarseth J, Aaberge IAS, Torkildsen Ø, Holmøy T, Berge T, Myhr KM, Harbo HF, Andersen JT, Munthe LA, Søraas A, Celius EG, Vaage JT, Lund-Johansen F, Nygaard GO (2021)
    Humoral immunity to SARS-CoV-2 mRNA vaccination in multiple sclerosis: the relevance of time since last rituximab infusion and first experience from sporadic revaccinations
    J Neurol Neurosurg Psychiatry, 94 (1), 19-22
    DOI 10.1136/jnnp-2021-327612, PubMed 34670844
  21. Høgestøl EA, Ghezzo S, Nygaard GO, Espeseth T, Sowa P, Beyer MK, Harbo HF, Westlye LT, Hulst HE, Alnæs D (2021)
    Functional connectivity in multiple sclerosis modelled as connectome stability: A 5-year follow-up study
    Mult Scler, 28 (4), 532-540
    DOI 10.1177/13524585211030212, PubMed 34259578
  22. Holmøy T, Nygaard GO, Myhr KM, Bø L (2021)
    [Correction: Disease-modifying therapy for multiple sclerosis]
    Tidsskr Nor Laegeforen, 141 (10)
    DOI 10.4045/tidsskr.21.0454, PubMed 34182741
  23. Holmøy T, Nygaard GO, Myhr KM, Bø L (2021)
    Disease-modifying therapy for multiple sclerosis
    Tidsskr Nor Laegeforen, 141 (8)
    DOI 10.4045/tidsskr.21.0155, PubMed 34047171
  24. Brune S, Høgestøl EA, Cengija V, Berg-Hansen P, Sowa P, Nygaard GO, Harbo HF, Beyer MK (2020)
    LesionQuant for Assessment of MRI in Multiple Sclerosis-A Promising Supplement to the Visual Scan Inspection
    Front Neurol, 11, 546744
    DOI 10.3389/fneur.2020.546744, PubMed 33362682
  25. de Rodez Benavent SA, Nygaard GO, Nilsen KB, Etholm L, Sowa P, Wendel-Haga M, Harbo HF, Drolsum L, Laeng B, Kerty E, Celius EG (2019)
    Neurodegenerative Interplay of Cardiovascular Autonomic Dysregulation and the Retina in Early Multiple Sclerosis
    Front Neurol, 10, 507
    DOI 10.3389/fneur.2019.00507, PubMed 31156539
  26. Høgestøl EA, Kaufmann T, Nygaard GO, Beyer MK, Sowa P, Nordvik JE, Kolskår K, Richard G, Andreassen OA, Harbo HF, Westlye LT (2019)
    Cross-Sectional and Longitudinal MRI Brain Scans Reveal Accelerated Brain Aging in Multiple Sclerosis
    Front Neurol, 10, 450
    DOI 10.3389/fneur.2019.00450, PubMed 31114541
  27. Høgestøl EA, Nygaard GO, Alnæs D, Beyer MK, Westlye LT, Harbo HF (2019)
    Symptoms of fatigue and depression is reflected in altered default mode network connectivity in multiple sclerosis
    PLoS One, 14 (4), e0210375
    DOI 10.1371/journal.pone.0210375, PubMed 30933977
  28. Lindland ES, Solheim AM, Andreassen S, Quist-Paulsen E, Eikeland R, Ljøstad U, Mygland Å, Elsais A, Nygaard GO, Lorentzen ÅR, Harbo HF, Beyer MK (2018)
    Imaging in Lyme neuroborreliosis
    Insights Imaging, 9 (5), 833-844
    DOI 10.1007/s13244-018-0646-x, PubMed 30187265
  29. Nygaard GO (2017)
    [In-hospital stroke]
    Tidsskr Nor Laegeforen, 137 (19)
    DOI 10.4045/tidsskr.17.0634, PubMed 29043721
  30. de Rodez Benavent SA, Nygaard GO, Harbo HF, Tønnesen S, Sowa P, Landrø NI, Wendel-Haga M, Etholm L, Nilsen KB, Drolsum L, Kerty E, Celius EG, Laeng B (2017)
    Fatigue and cognition: Pupillary responses to problem-solving in early multiple sclerosis patients
    Brain Behav, 7 (7), e00717
    DOI 10.1002/brb3.717, PubMed 28729927
  31. Gustavsen MW, Celius EG, Winsvold BS, Moen SM, Nygaard GO, Berg-Hansen P, Lie BA, Zwart JA, Harbo HF (2016)
    Migraine and frequent tension-type headache are not associated with multiple sclerosis in a Norwegian case-control study
    Mult Scler J Exp Transl Clin, 2, 2055217316682976
    DOI 10.1177/2055217316682976, PubMed 28607748
  32. Sowa P, Nygaard GO, Bjørnerud A, Celius EG, Harbo HF, Beyer MK (2017)
    Magnetic resonance imaging perfusion is associated with disease severity and activity in multiple sclerosis
    Neuroradiology, 59 (7), 655-664
    DOI 10.1007/s00234-017-1849-4, PubMed 28585082
  33. Moen SM, Harbo HF, Celius EG, Sowa P, Nygaard GO, Beyer MK (2016)
    S.M. Moen og medarbeidere svarer
    Tidsskr Nor Laegeforen, 136 (20), 1702
    DOI 10.4045/tidsskr.16.0865, PubMed 27830899
  34. Moen SM, Harbo HF, Celius EG, Sowa P, Nygaard GO, Beyer MK (2016)
    S.M. Moen og medarbeidere svarer
    Tidsskr Nor Laegeforen, 136 (19), 1608
    DOI 10.4045/tidsskr.16.0826, PubMed 27790879
  35. Moen SM, Harbo HF, Sowa P, Celius EG, Nygaard GO, Beyer MK (2016)
    [MRI in multiple sclerosis]
    Tidsskr Nor Laegeforen, 136 (16), 1373-6
    DOI 10.4045/tidsskr.15.1361, PubMed 27637059
  36. Nygaard GO, de Rodez Benavent SA, Harbo HF, Laeng B, Sowa P, Damangir S, Bernhard Nilsen K, Etholm L, Tønnesen S, Kerty E, Drolsum L, Inge Landrø N, Celius EG (2015)
    Eye and hand motor interactions with the Symbol Digit Modalities Test in early multiple sclerosis
    Mult Scler Relat Disord, 4 (6), 585-9
    DOI 10.1016/j.msard.2015.08.003, PubMed 26590666
  37. Sowa P, Bjørnerud A, Nygaard GO, Damangir S, Spulber G, Celius EG, Due-Tønnessen P, Harbo HF, Beyer MK (2015)
    Reduced perfusion in white matter lesions in multiple sclerosis
    Eur J Radiol, 84 (12), 2605-12
    DOI 10.1016/j.ejrad.2015.09.007, PubMed 26391230
  38. Nygaard GO, Celius EG, de Rodez Benavent SA, Sowa P, Gustavsen MW, Fjell AM, Landrø NI, Walhovd KB, Harbo HF (2015)
    A Longitudinal Study of Disability, Cognition and Gray Matter Atrophy in Early Multiple Sclerosis Patients According to Evidence of Disease Activity
    PLoS One, 10 (8), e0135974
    DOI 10.1371/journal.pone.0135974, PubMed 26280173
  39. Gustavsen MW, Page CM, Moen SM, Bjølgerud A, Berg-Hansen P, Nygaard GO, Sandvik L, Lie BA, Celius EG, Harbo HF (2014)
    Environmental exposures and the risk of multiple sclerosis investigated in a Norwegian case-control study
    BMC Neurol, 14, 196
    DOI 10.1186/s12883-014-0196-x, PubMed 25274070
  40. Nygaard GO, Walhovd KB, Sowa P, Chepkoech JL, Bjørnerud A, Due-Tønnessen P, Landrø NI, Damangir S, Spulber G, Storsve AB, Beyer MK, Fjell AM, Celius EG, Harbo HF (2014)
    Cortical thickness and surface area relate to specific symptoms in early relapsing-remitting multiple sclerosis
    Mult Scler, 21 (4), 402-14
    DOI 10.1177/1352458514543811, PubMed 25139946
  41. Gustavsen MW, Celius EG, Moen SM, Bjølgerud A, Berg-Hansen P, Nygaard GO, Sandvik L, Lie BA, Harbo HF (2014)
    No association between multiple sclerosis and periodontitis after adjusting for smoking habits
    Eur J Neurol, 22 (3), 588-90
    DOI 10.1111/ene.12520, PubMed 25041906
  42. Fremeau RT, Troyer MD, Pahner I, Nygaard GO, Tran CH, Reimer RJ, Bellocchio EE, Fortin D, Storm-Mathisen J, Edwards RH (2001)
    The expression of vesicular glutamate transporters defines two classes of excitatory synapse
    Neuron, 31 (2), 247-60
    DOI 10.1016/s0896-6273(01)00344-0, PubMed 11502256
  43. Moen SM, Harbo HF, Sowa P, Celius EG, Nygaard GO, Beyer MK (2016)
    MRI- investigations in multiple sclerosis
    Tidsskr. Nor. Laegeforen., 136 (16), 1373-1376

 
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