Trygve Holmøy

• Bjørnevik, Kjetil Lauvland; Myhr, Kjell-Morten; Beiske, Antonie Giæver; Bjerve, Kristian S; Holmøy, Trygve; Hovdal, Harald Olav; Midgard, Rune; Riise, Trond; Wergeland, Stig & Torkildsen, Øivind (2018). α-Linolenic acid is associated with MRI activity in a prospective cohort of multiple sclerosis patients.. Multiple Sclerosis.  ISSN 1352-4585. . doi: 10.1177/1352458518779925
• Holmøy, Trygve; Røsjø, Egil Rørvik; Zetterberg, Henrik; Blennow, Kaj; Lindstrøm, Jonas Christoffer; Steffensen, Linn Hofsøy & Kampman, Margitta Theodora (2018). Vitamin D supplementation and neurofilament light chain in multiple sclerosis. Acta Neurologica Scandinavica.  ISSN 0001-6314.  s 1- 5 . doi: 10.1111/ane.13037
• Høglund, Rune Alexander; Polak, Justyna; Vartdal, Frode; Holmøy, Trygve & Lossius, Andreas Lunde (2018). B-cell composition in the blood and cerebrospinal fluid of multiple sclerosis patients treated with dimethyl fumarate. Multiple Sclerosis and Related Disorders.  ISSN 2211-0348.  26, s 90- 95 . doi: 10.1016/j.msard.2018.08.032
• Magelssen, Morten; Holmøy, Trygve; Horn, Morten Andreas; Fondenes, Ove; Dybwik, Knut Gustav & Førde, Reidun (2018). Ethical challenges in tracheostomy-assisted ventilation in amyotrophic lateral sclerosis. Journal of Neurology.  ISSN 0340-5354. . doi: 10.1007/s00415-018-9054-x
• Myro, Aija Zuleron; Bjerke, Gisle; Zarnovicky, Svetozar & Holmøy, Trygve (2018). Diffuse alveolar hemorrhage during alemtuzumab infusion in a patient with multiple sclerosis: a case report. BMC Pharmacology & Toxicology.  ISSN 2050-6511.  19(75), s 1- 4 . doi: 10.1186/s40360-018-0267-5
• Nakken, Ola; Lindstrøm, Jonas Christoffer & Holmøy, Trygve (2018). Sex ratio in multiple sclerosis mortality over 65 years; an age-period-cohort analysis in Norway. Journal of Neurology.  ISSN 0340-5354.  265(6), s 1295- 1302 . doi: 10.1007/s00415-018-8832-9
• Nakken, Ola; Lindstrøm, Jonas Christoffer; Tysnes, Ole-Bjørn & Holmøy, Trygve (2018). Assessing amyotrophic lateral sclerosis prevalence in Norway from 2009 to 2015 from compulsory nationwide health registers. Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration.  ISSN 2167-8421.  19(3-4), s 303- 310 . doi: 10.1080/21678421.2017.1418004 Fulltekst i vitenarkiv. Vis sammendrag

  Objective: In Norway, diagnoses from specialist health care visits, drug prescriptions, and causes of deaths are registered in compulsory health registers. We aimed to determine amyotrophic lateral sclerosis (ALS) prevalence from 2009 to 2015 by combining these registers. Methods:We validated the Norwegian Patient Registry (NPR) through hospital files, and linked it with the Norwegian Cause of Death Registry and the Norwegian Prescription Database. Poisson regression models were fitted for estimating gender ratios, time trends and possible interactions. Similar models were used for mortality data subtracted from the dataset. Results: Eleven percent of patients with at least one ALS-related entry in NPR did not have ALS. ALS prevalence could nevertheless be reliably estimated through ascertaining cases identified in two separate registers, or with at least two entries in NPR with first entry within four years prior to prevalence date. ALS prevalence remained stable, and was 7.6/100,000 (95% CI 6.9–8.4) at 31st December 2015. Mean male:female ratio was higher for prevalence (1.8; 95% CI 1.6–2.0) than for mortality (1.5; 95% CI 1.2–1.8) (p¼0.04). There were also significant regional differences in prevalence (p50.01) but not in mortality. Conclusions: Norwegian compulsory health registers provide reliable tools for ALS surveillance, and suggest gender and regional differences in survival after diagnosis.

• Nakken, Ola; Sørum, Lillian & Holmøy, Trygve (2018). Genetisk utredning ved amyotrofisk lateral sklerose. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  138(13) . doi: 10.4045/tidsskr.18.0193
• Stokke, Silje Agnethe; Myhr, Kjell-Morten; Holmøy, Trygve; Saltyte Benth, Jurate; Wergeland, Stig; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Midgard, Rune; Sagen, Jørn V. & Torkildsen, Øivind (2018). Serum levels of leptin and adiponectin are not associated with disease activity or treatment response in multiple sclerosis. Journal of Neuroimmunology.  ISSN 0165-5728.  323, s 73- 77 . doi: 10.1016/j.jneuroim.2018.07.011
• Tomescu-Baciu, Alina; Vartdal, Frode; Holmøy, Trygve; Vedeler, Christian A. & Lossius, Peter Andreas Vold (2018). G1m1 predominance of intrathecal virus-specific antibodies in multiple sclerosis. Annals of clinical and translational neurology.  ISSN 2328-9503.  s 1- 7 . doi: 10.1002/acn3.642
• Al-Chalabi, Ammar; Andersen, Peter M.; Chandran, Siddharthan; Chio, Adriano; Corcia, Philippe; Couratier, Philippe; Danielsson, Olof; de Carvalho, Mamede; Desnuelle, Claude; Grehl, Torsten; Grosskreutz, Julian; Holmøy, Trygve; Ingre, Caroline; Karlsborg, Merete; Kleveland, Grethe; Koch, Jan Christoph; Koritnik, Blaz; KuzmaKozakiewicz, Magdalena; Laaksovirta, Hannu; Ludolph, Albert; McDermott, Christopher; Meyer, Thomas; Mitre Ropero, Bernardo; Mora Pardina, Jesus; Nygren, Ingela; Petri, Susanne; Povedano Panades, Monica; Salachas, François; Shaw, Pamela; Silani, Vincenzo; Staaf, Gert; Svenstrup, Kirsten; Talbot, Kevin; Tysnes, Ole-Bjørn; Van Damme, Philip; van der Kooi, Anneke; Weber, Markus; Weydt, Patrick; Wolf, Joachim; Hardiman, Orla & van den Berg, Leonard H. (2017). July 2017 ENCALS statement on edaravone. Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration.  ISSN 2167-8421.  18(7-8), s 471- 474 . doi: 10.1080/21678421.2017.1369125
• Holmøy, Trygve; Gythfeldt, Hedda & Leegaard, Truls Michael (2017). Listeria monocytogenes infection associated with alemtuzumab - - a case for better preventive strategies. BMC Neurology.  ISSN 1471-2377.  17(65) . doi: 10.1186/s12883-017-0848-8
• Holmøy, Trygve; Lindstrøm, Jonas Christoffer; Eriksen, Erik Fink; Steffensen, Linn Hofsøy & Kampman, Margitta Theodora (2017). High dose vitamin D supplementation does not affect biochemical bone markers in multiple sclerosis - a randomized controlled trial. BMC Neurology.  ISSN 1471-2377.  17:67, s 1- 6 . doi: 10.1186/s12883-017-0851-0 Fulltekst i vitenarkiv.
• Holmøy, Trygve; Torkildsen, Øivind & Myhr, Kjell-Morten (2017). An update on cladribine for relapsing-remitting multiple sclerosis. Expert Opinion on Pharmacotherapy.  ISSN 1465-6566.  18(15), s 1627- 1635 . doi: 10.1080/14656566.2017.1372747
• Høglund, Rune Alexander; Lossius, Peter Andreas Vold; Johansen, Jorunn; Homan, Jane; Saltyte Benth, Jurate; Robins, Harlan; Bogen, Bjarne; Bremel, Robert D & Holmøy, Trygve (2017). In silico prediction analysis of idiotope-driven T-B cell collaboration in multiple sclerosis. Frontiers in Immunology.  ISSN 1664-3224.  8 . doi: 10.3389/fimmu.2017.01255 Fulltekst i vitenarkiv.
• Lossius, Peter Andreas Vold; Tomescu-Baciu, Alina; Holmøy, Trygve; Vedeler, Christian A.; Røsjø, Egil Rørvik; Lorentzen, Åslaug Rudjord; Casetta, Ilaria & Vartdal, Frode (2017). Selective intrathecal enrichment of G1m1-positive B cells in multiple sclerosis. Annals of clinical and translational neurology.  ISSN 2328-9503.  4(10), s 756- 761 . doi: 10.1002/acn3.451 Fulltekst i vitenarkiv.
• Røsjø, Egil Rørvik; Lossius, Peter Andreas Vold; Abdelmagid, Nada; Lindstrøm, Jonas Christoffer; Kampman, Margitta Theodora; Jørgensen, Lone; Sundström, Peter; Olsson, Tomas; Steffensen, Linn Hofsøy; Torkildsen, Øivind & Holmøy, Trygve (2017). Effect of high-dose vitamin D3 supplementation on antibody responses against Epstein-Barr virus in relapsing-remitting multiple sclerosis. Multiple Sclerosis.  ISSN 1352-4585.  23(3), s 395- 402 . doi: 10.1177/1352458516654310
• Berge, Tone; Leikfoss, Ingvild Sørum; Brorson, Ina Skaara; Bos, Steffan Daniel; Page, Christian; Gustavsen, Marte Wendel; Bjølgerud, Anja; Holmøy, Trygve; Celius, Elisabeth Gulowsen; Damoiseaux, J.; Smolders, J; Harbo, Hanne Flinstad & Spurkland, Anne (2016). The multiple sclerosis susceptibility genes TAGAP and IL2RA are regulated by Vitamin D in CD4+ T cells. Genes and Immunity.  ISSN 1466-4879.  17(2), s 118- 127 . doi: 10.1038/gene.2015.61
• Bjørnevik, Kjetil Lauvland; Riise, Trond; Bostrom, Inger; Casetta, Ilaria; Cortese, Marianna; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Magalhaes, Sandra; Pugliatti, Maura; Wolfson, Christina & Myhr, Kjell-Morten (2016). Negative interaction between smoking and EBV in the risk of multiple sclerosis: The EnvIMS study. Multiple Sclerosis.  ISSN 1352-4585.  23(7), s 1018- 1024 . doi: 10.1177/1352458516671028
• Bjørnevik, Kjetil Lauvland; Riise, Trond; Cortese, Marianna; Holmøy, Trygve; Kampman, Margitta Theodora; Magalhaes, Sandra; Myhr, Kjell-Morten; Wolfson, Christina & Pugliatti, Maura (2016). Level of education and multiple sclerosis risk after adjustment for known risk factors: The EnvIMS study. Multiple Sclerosis.  ISSN 1352-4585.  22(1), s 104- 111 . doi: 10.1177/1352458515579444 Fulltekst i vitenarkiv.
• Holmøy, Trygve; Beiske, Antonie Giæver; Zarnovicky, Svetozar; Zuleron Myro, Aija; Røsjø, Egil Rørvik & Kerty, Emilia (2016). Severe inflammatory disease activity 14`months after cessation of Natalizumab in a patient with Leber's optic neuropathy and multiple sclerosis - a case report. BMC Neurology.  ISSN 1471-2377.  16(1) . doi: 10.1186/s12883-016-0720-2
• Holmøy, Trygve; Esbensen, Qin Ying; Torkildsen, Øivind; Wergeland, Stig; Bjerve, Kristian S; Beiske, Antonie Giæver; Midgard, Rune; Saltyte Benth, Jurate; Hovdal, Harald Olav & Myhr, Kjell-Morten (2016). WT1 and interferon-β–vitamin D association in MS: a longitudinal study.. Acta Neurologica Scandinavica.  ISSN 0001-6314.  133(4), s 309- 312 . doi: 10.1111/ane.12448
• Holmøy, Trygve & Torkildsen, Øivind (2016). Familieplanlegging, graviditet og amming ved multippel sklerose. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  136(20), s 1726- 1729 . doi: 10.4045/tidsskr.16.0563
• Kvistad, Silje; Myhr, Kjell-Morten; Holmøy, Trygve; Saltyte Benth, Jurate; Løken-Amsrud, Kristin Ingeleiv; Wergeland, Stig; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Bakke, Søren Jacob & Torkildsen, Øivind (2016). No association of tobacco use and disease activity in multiple sclerosis. Neurology: Neuroimmunology and neuroinflammation.  ISSN 2332-7812.  3(4) . doi: 10.1212/NXI.0000000000000260 Fulltekst i vitenarkiv.
• Lossius, Peter Andreas Vold; Johansen, Jorunn; Vartdal, Frode & Holmøy, Trygve (2016). High-throughput sequencing of immune repertoires in multiple sclerosis. Annals of clinical and translational neurology.  ISSN 2328-9503.  3(4), s 295- 306 . doi: 10.1002/acn3.295 Fulltekst i vitenarkiv.
• Nakken, Ola; Lindstrøm, Jonas Christoffer; Tysnes, Ole-Bjørn & Holmøy, Trygve (2016). Mortality trends of amyotrophic lateral sclerosis in Norway 1951–2014: an age–period–cohort study. Journal of Neurology.  ISSN 0340-5354.  s 1- 8 . doi: 10.1007/s00415-016-8273-2
• Nordin, Angelica; Chizuru, Akimoto; Wuolikainen, Anna; Alstermark, Helena; Forsberg, Karin; Baumann, Peter; Pinto, Susana; de Carvalho, Mamede; Hübers, Annemarie; Nordin, Frida; Ludolph, Albert C.; Weishaupt, Jochen H.; Meyer, Thomas; Grehl, Torsten; Schweikert, Kathi; Weber, Markus; Burkhardt, Christian; Neuwirth, Christoph; Holmøy, Trygve; Morita, Mitsuya; Tysnes, Ole-Bjørn; Benatar, Michael; Wuu, Joanne; Lange, Dale J; Bisgård, Carsten; Asgari, Nasrin; Tarvainen, Ilkka; Brännström, Thomas & Andersen, Peter M (2016). Sequence variations in C9orf72 downstream of the hexanucleotide repeat region and its effect on repeat-primed PCR interpretation: a large multinational screening study. Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration.  ISSN 2167-8421.  18(3-4), s 256- 264 . doi: 10.1080/21678421.2016.1262423
• Simonsen, Cecilia Smith; Celius, Elisabeth Gulowsen; Brunborg, Cathrine; Tallaksen, Chantal; Eriksen, Erik Fink; Holmøy, Trygve & Moen, Stine Marit (2016). Bone mineral density in patients with multiple sclerosis, hereditary ataxia or hereditary spastic paraplegia after at least 10 years of disease - a case control study. BMC Neurology.  ISSN 1471-2377.  16 . doi: 10.1186/s12883-016-0771-4
• Vego, Heidi; Sand, Kristin Larsen; Høglund, Rune Alexander; Fallang, Lars-Egil; Gundersen, Glenn; Holmøy, Trygve & Maghazachi, Azzam (2016). Monomethyl fumarate augments NK cell lysis of tumor cells through degranulation and the upregulation of NKp46 and CD107a. Cellular & Molecular Immunology.  ISSN 1672-7681.  13(1), s 57- 64 . doi: 10.1038/cmi.2014.114
• Wergeland, Stig; Myhr, Kjell-Morten; Løken-Amsrud, Kristin Ingeleiv; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Midgard, Rune; Stokke, Silje Agnethe; Holmøy, Trygve; Riise, Trond & Torkildsen, Øivind (2016). Vitamin D, HLA-DRB1 and Epstein-Barr virus antibody levels in a prospective cohort of multiple sclerosis patients. European Journal of Neurology.  ISSN 1351-5101.  23(6), s 1064- 1070 . doi: 10.1111/ene.12986
• Aspli, Klaus Thanke; Flaten, Trond Peder; ROOS, PER; Holmøy, Trygve; Skogholt, Jon Henry & Aaseth, Jan (2015). Iron and copper in progressive demyelination: New lessons from Skogholt’s disease. Journal of Trace Elements in Medicine and Biology.  ISSN 0946-672X.  31, s 183- 187 . doi: 10.1016/j.jtemb.2014.12.002 Vis sammendrag

  The pathophysiological mechanisms of progressive demyelinating disorders including multiple sclerosis are incompletely understood. Increasing evidence indicates a role for trace metals in the progression of several neurodegenerative disorders. The study of Skogholt disease, a recently discovered demyelinating disease affecting both the central and peripheral nervous system, might shed some light on the mechanisms underlying demyelination. Cerebrospinal fluid iron and copper concentrations are about four times higher in Skogholt patients than in controls. The transit into cerebrospinal fluid of these elements from blood probably occurs in protein bound form. We hypothesize that exchangeable fractions of iron and copper are further transferred from cerebrospinal fluid into myelin, thereby contributing to the pathogenesis of demyelination. Free or weakly bound iron and copper ions may exert their toxic action on myelin by catalyzing production of oxygen radicals. Similarities to demyelinating processes in multiple sclerosis and other myelinopathies are discussed.

• Beiske, Anton Giæver; Holmøy, Trygve; Beiske, Antonie Giæver; Johannessen, Svein Ivar & Landmark, Cecilie Johannessen (2015). Antiepileptic and Antidepressive Polypharmacy in Patients with Multiple Sclerosis.. Multiple Sclerosis International.  ISSN 2090-2654. . doi: 10.1155/2015/317859 Fulltekst i vitenarkiv.
• Cortese, Marianna; Riise, Trond; Bjørnevik, Kjetil Lauvland; Holmøy, Trygve; Kampman, Margitta Theodora; Magalhaes, Sandra; Pugliatti, Maura; Wolfson, Christina & Myhr, Kjell-Morten (2015). Timing of use of cod liver oil, a vitamin D source, and multiple sclerosis risk: The EnvIMS study.. Multiple Sclerosis.  ISSN 1352-4585.  21(14), s 1856- 1864 . doi: 10.1177/1352458515578770 Fulltekst i vitenarkiv.
• Geis, Christian; Ritter, Christian; Ruschil, Christoph; Weishaupt, Andreas; Grünewald, Benedikt; Stoll, Guido; Holmøy, Trygve; Misu, Tatsuro; Fujihara, Kazuo; Hemmer, Bernhard; Stadelmann, Christine; Bennett, Jeffrey L.; Sommer, Claudia & Toyka, Klaus V. (2015). The intrinsic pathogenic role of autoantibodies to aquaporin 4 mediating spinal cord disease in a rat passive-transfer model. Experimental Neurology.  ISSN 0014-4886.  265, s 8- 21 . doi: 10.1016/j.expneurol.2014.12.015
• Helland, Caroline; Holmøy, Trygve & Gulbrandsen, Pål (2015). Barriers and facilitators related to rehabilitation stays in multiple sclerosis: A qualitative study. International Journal of MS Care.  ISSN 1537-2073.  17(3), s 122- 129 . doi: 10.7224/1537-2073.2014-007
• Johansen, Jorunn; Vartdal, Frode; Desmarais, Cindy; Tutturen, Astrid Elisabeth Voorham; De Souza, Gustavo Antonio; Lossius, Peter Andreas Vold & Holmøy, Trygve (2015). Intrathecal BCR transcriptome in multiple sclerosis versus other neuroinflammation: Equally diverse and compartmentalized, but more mutated, biased and overlapping with the proteome. Clinical Immunology.  ISSN 1521-6616.  160(2), s 211- 225 . doi: 10.1016/j.clim.2015.06.001
• Lerum, Sverre Vigeland; Solbrække, Kari Nyheim; Holmøy, Trygve & Frich, Jan C (2015). Unstable terminality - negotiating the meaning of chronicity and terminality in motor neurone disease. Sociology of Health and Illness.  ISSN 0141-9889.  37(1), s 81- 96 . doi: 10.1111/1467-9566.12182
• Løken-Amsrud, Kristin Ingeleiv; Lossius, Peter Andreas Vold; Torkildsen, Øivind & Holmøy, Trygve (2015). Miljøets betydning ved multippel sklerose. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  135(9), s 856- 860 . doi: 10.4045/tidsskr.14.0751
• Magalhaes, Sandra; Pugliatti, Maura; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus; Myhr, Kjell-Morten; Parpinel, Maria; Pekmezovic, Tatjana; Riise, Trond; Wolfson, David; Zhu, Bin & Wolfson, Christina (2015). The EnvIMS study: Design and methodology of an international case-control study of environmental risk factors in multiple sclerosis. Neuroepidemiology.  ISSN 0251-5350.  44(3), s 173- 181 . doi: 10.1159/000381779
• Røsjø, Egil Rørvik; Myhr, Kjell-Morten; Løken-Amsrud, Kristin Ingeleiv; Bakke, Søren Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn G.; Midgard, Rune; Pedersen, Tom; Saltyte Benth, Jurate; Torkildsen, Øivind; Wergeland, Stig; Michelsen, Annika; Aukrust, Pål; Ueland, Thor & Holmøy, Trygve (2015). Vitamin D status and effect of interferon-β1a treatment on MRI activity and serum inflammation markers in relapsing-remitting multiple sclerosis. Journal of Neuroimmunology.  ISSN 0165-5728.  280, s 21- 28 . doi: 10.1016/j.jneuroim.2015.02.001
• Røsjø, Egil Rørvik; Steffensen, Linn Hofsøy; Jørgensen, Lone; Lindstrøm, Jonas Christoffer; Saltyte Benth, Jurate; Michelsen, Annika; Aukrust, Pål; Ueland, Thor; Kampman, Margitta Theodora; Torkildsen, Øivind & Holmøy, Trygve (2015). Vitamin D supplementation and systemic inflammation in relapsing-remitting multiple sclerosis. Journal of Neurology.  ISSN 0340-5354.  262(12), s 2713- 2721 . doi: 10.1007/s00415-015-7902-5 Vis sammendrag

  Observational studies have suggested that vitamin D may reduce inflammation in relapsing-remitting multiple sclerosis (RRMS), but this has not been clearly confirmed in randomized controlled trials. To further explore the possible anti-inflammatory effects of vitamin D in RRMS, we examined the effect of high-dose oral vitamin D3 on eleven markers of systemic inflammation in 68 RRMS patients enrolled in a double-blinded randomized placebo-controlled trial of vitamin D3 supplementation (20,000 IU/week) (NCT00785473). Serum inflammation markers and 25-hydroxyvitamin D (25(OH)D) were measured at baseline and week 96, and no restrictions were set on additional standard immunomodulatory treatment for RRMS. The mean 25(OH)D level rose from 56 ± 29 to 123 ± 34 nmol/L among patients receiving vitamin D3 supplementation, whereas only a minor increase from 57 ± 22 to 63 ± 24 nmol/L was seen in the placebo group. However, no significant differences appeared between the vitamin D group and the placebo group for any of the inflammation markers. Patients on immunomodulatory therapy had significantly higher levels of interleukin-1 receptor antagonist and chemokine (C-X-C motif) ligand 16 than patients without immunomodulatory treatment, but there were no clear synergistic effects between immunomodulatory therapy and vitamin D3 supplementation on any of the inflammation markers. The rise in 25(OH)D levels after vitamin D3 supplementation was unaffected by immunomodulatory treatment. We conclude that in this study of RRMS patients, high-dose oral vitamin D3 supplementation prominently increased serum 25(OH)D levels without affecting markers of systemic inflammation, while a more anti-inflammatory phenotype was found among patients on immunomodulatory treatment.

• Stokke, Silje Agnethe; Myhr, Kjell-Morten; Holmøy, Trygve; Saltyte Benth, Jurate; Wergeland, Stig; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Bakke, Søren Jacob; Michelsen, Annika; Aukrust, Pål; Ueland, Thor; Sagen, Jørn V. & Torkildsen, Øivind (2015). Body mass index influence interferon-beta treatment response in multiple sclerosis. Journal of Neuroimmunology.  ISSN 0165-5728.  288, s 92- 97 . doi: 10.1016/j.jneuroim.2015.09.008
• Wesnes, Kristin; Riise, Trond; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne Marie; Lauer, Klaus; Lossius, Peter Andreas Vold; Magalhaes, Sandra; Pekmezovic, Tatjana; Bjørnevik, Kjetil Lauvland; Wolfson, Christina; Pugliatti, Maura & Myhr, Kjell-Morten (2015). Body size and the risk of multiple sclerosis in Norway and Italy: The EnvIMS study. Multiple Sclerosis.  ISSN 1352-4585.  21(4), s 388- 395 . doi: 10.1177/1352458514546785
• Bjørnevik, Kjetil Lauvland; Riise, Trond; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus; Lossius, Peter Andreas Vold; Magalhaes, Sandra; Myhr, Kjell-Morten; Pekmezovic, Tatjana; Wesnes, Kristin; Wolfson, Christina & Pugliatti, Maura (2014). Sun exposure and multiple sclerosis risk in Norway and Italy: The EnvIMS study. Multiple Sclerosis.  ISSN 1352-4585.  20(8), s 1042- 1049 . doi: 10.1177/1352458513513968
• Lossius, Peter Andreas Vold; Johansen, Jorunn; Vartdal, Frode; Robins, Harlan; Saltyte Benth, Jurate; Holmøy, Trygve & Olweus, Johanna (2014). High-throughput sequencing of TCR repertoires in multiple sclerosis reveals intrathecal enrichment of EBV-reactive CD8+ T cells. European Journal of Immunology.  ISSN 0014-2980.  44(11), s 3439- 3452 . doi: 10.1002/eji.201444662
• Lossius, Peter Andreas Vold; Riise, Trond; Pugliatti, Maura; Bjørnevik, Kjetil Lauvland; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Kampman, Margitta Theodora; Landtblom, Anne Marie; Lauer, Klaus; Magalhaes, Sandra; Myhr, Kjell-Morten; Pekmezovic, Tatjana; Wesnes, Kristin; Wolfson, Christina & Holmøy, Trygve (2014). Season of infectious mononucleosis and risk of multiple sclerosis at different latitudes; the EnvIMS Study. Multiple Sclerosis.  ISSN 1352-4585.  20(6), s 669- 674 . doi: 10.1177/1352458513505693
• Røsjø, Egil Rørvik; Myhr, Kjell-Morten; Løken-Amsrud, Kristin Ingeleiv; Bakke, Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Saltyte Benth, Jurate; Torkildsen, Øivind; Wergeland, Stig; Michelsen, Annika; Aukrust, Pål; Ueland, Thor & Holmøy, Trygve (2014). Increasing serum levels of vitamin A, D and E are associated with alterations of different inflammation markers in patients with multiple sclerosis. Journal of Neuroimmunology.  ISSN 0165-5728.  271(1-2), s 60- 65 . doi: 10.1016/j.jneuroim.2014.03.014 Vis sammendrag

  To explore the relationships between vitamin A, D and E and inflammation in relapsing remitting multiple sclerosis, we assessed their associations with 11 inflammation markers in 9 serial serum samples from 85 patients, before and during interferon-β1a treatment. A negative association was found between vitamin A and pentraxin 3 independent of interferon-β1a use, whereas positive associations between vitamin D and interleukin-1 receptor antagonist and secreted frizzled-related protein 3 were seen before, and between vitamin E and chemokine (C-X-C motif) ligand 16 during interferon-β1a treatment. These findings suggest associations with diverse inflammatory pathways, which may be differentially influenced by interferon-β1a treatment.

• Stokke, Silje Agnethe; Myhr, Kjell-Morten; Holmøy, Trygve; Bakke, Søren Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Løken-Amsrud, Kristin Ingeleiv; Lilleås, Finn; Midgard, Rune; Njølstad, Gro; Pedersen, Tom; Saltyte Benth, Jurate; Wergeland, Stig & Torkildsen, Øivind Fredvik (2014). Antibodies to Epstein-Barr virus and MRI disease activity in multiple sclerosis. Multiple Sclerosis.  ISSN 1352-4585.  20(14), s 1833- 1840 . doi: 10.1177/1352458514533843 Vis sammendrag

  Background: Previous reports indicate an association between Epstein-Barr virus (EBV) antibody levels and multiple sclerosis (MS) disease activity, but the results have been conflicting. Objectives: The objective of this paper is to study if EBV antibody levels reflect MRI disease activity in MS and examine the potential for EBV antibody levels as biomarkers for treatment response. Methods: A total of 87 MS patients were followed for two years prior to and during interferon beta (IFNB) treatment, with MRI examinations and serum measurement of IgM and IgG antibodies to viral capsid antigen (VCA), EBV nuclear antigen 1 (EBNA-1) and early antigen (EA). Associations between EBV antibody levels and MRI activity were assessed by a logistic regression model. Results: Higher anti-EBNA-1 IgG levels were associated with increased MRI activity, OR = 2.95 (95% CI 1.07–8.10; p = 0.036) for combined unique activity (CUA; the sum of T1Gd+ lesions and new or enlarging T2 lesions). Although most patients were anti-VCA IgM negative, there was an inverse association, OR = 0.32 (95% CI 0.12–0.84; p = 0.021) with CUA during IFNB treatment. Conclusions: This study supports an association between anti-EBNA-1 IgG levels and MS disease activity. We also found an inverse association with anti-VCA IgM levels during IFNB treatment not previously described, indicating anti-VCA IgM as a possible biomarker for IFNB treatment response.

• Torkildsen, Øivind Fredvik; Aarseth, Jan Harald; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Holmøy, Trygve; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond & Grytten, Nina Agnethe (2014). Month of birth and risk of multiple sclerosis: confounding and adjustments. Annals of clinical and translational neurology.  ISSN 2328-9503.  1(2), s 141- 144 . doi: 10.1002/acn3.37 Fulltekst i vitenarkiv. Vis sammendrag

  A month of birth effect on multiple sclerosis (MS) risk has been reported from different countries. Recent critics have suggested that this finding is caused by confounding and that adequately adjusting for year and place of birth would markedly reduce this effect. All inhabitants in Norway are registered in the Norwegian Population Registry (Statistics Norway), making this an ideal area for performing adjusted analyses. Using the entire Norwegian population born between 1930 and 1979 (n = 2,899,260), we calculated the excess between observed and expected number of births for each month for 6649 Norwegian MS patients, 5711 mothers, 5247 fathers, and 8956 unaffected siblings. The analyses were adjusted for year of birth and place of birth according to the 19 counties in Norway. An unadjusted analysis revealed 13% fewer MS births than expected in February (P = 0.0015; Bonferroni corrected P = 0.018), 10% more in April (P = 0.0083; Bonferroni corrected P = 0.0996) and 15% more in December (P = 0.00058; Bonferroni corrected P = 0.007). Adjustments for both year and place of birth significantly altered our results for February and December, but even after these adjustments there were still 10% more MS births than expected in April (P = 0.00796; Bonferroni corrected P = 0.096). MS patients had a higher incidence of April births than their siblings (Fisher-exact test; P = 0.011), mothers (Fisher-exact test; P = 0.004), and fathers (Fisher-exact test; P = 0.011) without MS. Adjustments for confounding significantly affected our results. However, even after adjustments, there appears to be a persistent higher than expected frequency of April births in the MS population.

• Grytten, Nina Agnethe; Torkildsen, Øivind; Aarseth, Jan Harald; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Dahl, Ole-Petter; Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Risberg, Geir; Vatne, Anita & Kampman, Margitta Theodora (2013). Month of birth as a latitude-dependent risk factor for multiple sclerosis in Norway. Multiple Sclerosis.  ISSN 1352-4585.  19(8), s 1028- 1034 . doi: 10.1177/1352458512471094
• Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Bakke, Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Saltyte Benth, Jurate; Torkildsen, Øivind; Wergeland, Stig; Myhr, Kjell-Morten; Michelsen, Annika; Aukrust, Pål & Ueland, Thor (2013). Inflammation markers in multiple sclerosis: CXCL16 reflects and may also predict disease activity. PLoS ONE.  ISSN 1932-6203.  8(9) . doi: 10.1371/journal.pone.0075021 Fulltekst i vitenarkiv.
• Høglund, Rune Alexander; Holmøy, Trygve; Harbo, Hanne Flinstad & Maghazachi, Azzam (2013). A One Year Follow-Up Study of Natural Killer and Dendritic Cells Activities in Multiple Sclerosis Patients Receiving Glatiramer Acetate (GA). PLoS ONE.  ISSN 1932-6203.  8(4) . doi: 10.1371/journal.pone.0062237
• Kampman, Margitta Theodora; Aarseth, Jan Harald; Grytten, Nina Agnethe; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Dahl, Ole-Petter; Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Risberg, Geir; Vatne, Anita & Torkildsen, Øivind (2013). Sex ratio of multiple sclerosis in persons born from 1930 to 1979 and its relation to latitude in Norway. Journal of Neurology.  ISSN 0340-5354.  260(6), s 1481- 1488 . doi: 10.1007/s00415-012-6814-x
• Løken, Kristin Ingeleiv; Myhr, Kjell-Morten; Bakke, Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Bjørnarå, Bård T.; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Saltyte Benth, Jurate; Torkildsen, Øivind; Wergeland, Stig & Holmøy, Trygve (2013). Retinol levels are associated with magnetic resonance imaging outcomes in multiple sclerosis. Multiple Sclerosis.  ISSN 1352-4585.  19(4), s 451- 457 . doi: 10.1177/1352458512457843
• Løken-Amsrud, Kristin Ingeleiv; Myhr, Kjell-Morten; Bakke, Søren Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Bjørnarå, Bård T.; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Saltyte Benth, Jurate; Torkildsen, Øivind; Wergeland, Stig & Holmøy, Trygve (2013). Alpha-tocopherol and MRI outcomes in multiple sclerosis - association and prediction. PLoS ONE.  ISSN 1932-6203.  8(1) . doi: 10.1371/journal.pone.0054417 Fulltekst i vitenarkiv.
• Siewers, Vibeke; Holmøy, Trygve & Frich, Jan C (2013). Experiences with using mechanical in–exsufflation in amyotrophic lateral sclerosis. European Journal of Physiotherapy.  ISSN 2167-9169.  15, s 201- 207 . doi: 10.3109/21679169.2013.834513
• Torkildsen, Øivind; Løken-Amsrud, Kristin Ingeleiv; Wergeland, Stig; Myhr, Kjell-Morten & Holmøy, Trygve (2013). Fat-soluble vitamins as disease modulators in multiple sclerosis. Acta Neurologica Scandinavica.  ISSN 0001-6314.  127, s 16- 23 . doi: 10.1111/ane.12045
• Holmøy, Trygve; Hanssen, Kjersti Træland & Beiske, Antonie Giæver (2012). Pasienttilfredshet ved rehabilitering av pasienter med multippel sklerose. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  132(5), s 523- 525 . doi: 10.4045/tidsskr.11.1043
• Holmøy, Trygve; Kampman, Margitta Theodora & Smolders, Joost (2012). Vitamin D in multiple sclerosis: implications for assessment and treatment. Expert Review of Neurotherapeutics.  ISSN 1744-8360.  12(9), s 1101- 1112 . doi: 10.1586/ERN.12.99
• Holmøy, Trygve; Lossius, Peter Andreas Vold; Gundersen, Thomas Erik; Moen, Stine Marit; Castellazzi, Massimilano; Fainardi, Enrico & Casetta, Ilaria (2012). Intrathecal levels of vitamin D and IgG in multiple sclerosis. Acta Neurologica Scandinavica.  ISSN 0001-6314.  125(6), s e28- e31 . doi: 10.1111/j.1600-0404.2011.01577.x
• Holmøy, Trygve; Torkildsen, Øivind; Myhr, Kjell-Morten & Løken-Amsrud, Kristin Ingeleiv (2012). Vitamin D supplementation and monitoring in multiple sclerosis: who, when and wherefore. Acta Neurologica Scandinavica.  ISSN 0001-6314.  126, s 63- 69 . doi: 10.1111/ane.12028
• Løken-Amsrud, Kristin Ingeleiv; Holmøy, Trygve; Bakke, Søren J.; Beiske, Antonie Giæver; Bjerve, Kristian S; Bjørnarå, Bård T.; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Saltyte Benth, Jurate; Sandvik, Leiv; Torkildsen, Øivind; Wergeland, Stig & Myhr, Kjell-Morten (2012). Vitamin D and disease activity in multiple sclerosis before and during interferon beta treatment. Neurology.  ISSN 0028-3878.  79(3), s 267- 273 . doi: 10.1212/WNL.0b013e31825fdf01
• Moen, Stine Marit; Celius, Elisabeth Gulowsen; Sandvik, Leiv; Brustad, Magritt; Nordsletten, Lars; Eriksen, Erik Fink & Holmøy, Trygve (2012). Bone Turnover and Metabolism in Patients with Early Multiple Sclerosis and Prevalent Bone Mass Deficit: A Population-Based Case-Control Study. PLoS ONE.  ISSN 1932-6203.  7(9) . doi: 10.1371/journal.pone.0045703 Fulltekst i vitenarkiv.
• Pugliatti, Maura; Casetta, Ilaria; Drulovic, Jelena; Granieri, Enrico; Holmøy, Trygve; Kampman, Margitta Theodora; Landtblom, Anne Marie; Lauer, Klaus; Myhr, Kjell-Morten; Parpinel, Maria; Pekmezovic, Tatjana; Riise, Trond; Zhu, Bin & Wolfson, Christina (2012). A questionnaire for multinational case-control studies of environmental risk factors in multiple sclerosis (EnvIMS-Q). Acta Neurologica Scandinavica, Supplementum.  ISSN 0065-1427.  126, s 43- 50 . doi: 10.1111/ane.12032
• Saltyte Benth, Jurate; Myhr, Kjell-Morten; Løken-Amsrud, Kristin Ingeleiv; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Midgard, Rune & Holmøy, Trygve (2012). Modelling and Prediction of 25-Hydroxyvitamin D Levels in Norwegian Relapsing-Remitting Multiple Sclerosis Patients. Neuroepidemiology.  ISSN 0251-5350.  39(2), s 84- 93 . doi: 10.1159/000339360
• Vold, Lossius Peter Andreas; Johansen, Jorunn; Torkildsen, Øivind; Vartdal, Frode & Holmøy, Trygve (2012). Epstein-Barr Virus in Systemic Lupus Erythematosus, Rheumatoid Arthritis and Multiple Sclerosis—Association and Causation. Viruses.  ISSN 1999-4915.  4(12), s 3701- 3730 . doi: 10.3390/v4123701
• Østern, Rune André Helland; Fagerheim, Toril; Ørstavik, Kristin; Holmøy, Trygve; Heiberg, Arvid; Lund-Petersen, Inger; Strom, Tim M.; Nilssen, Øivind & Dahl, Arve (2012). Hereditary motor neuron disease in a large Norwegian family with a "H46R" substitution in the superoxide dismutase 1 gene. Neuromuscular Disorders.  ISSN 0960-8966.  22(6), s 511- 521 . doi: 10.1016/j.nmd.2012.01.011
• Holmøy, Trygve; Braaten, Øivind; Hynås, Inger Anette & Tallaksen, Chantal (2011). En ung kvinne som mistet kraften i ett bein. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  6, s 583- 586
• Holmøy, Trygve & Celius, Elisabeth Gulowsen (2011). Utvikling av ny behandling for multippel sklerose. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  131(8), s 832- 836 . doi: 10.4045/tidsskr.10.0077
• Holmøy, Trygve & Geis, Christian (2011). The immunological basis for treatment of stiff person syndrome. Journal of Neuroimmunology.  ISSN 0165-5728.  231(1-2), s 55- 60 . doi: 10.1016/j.jneuroim.2010.09.014
• Høglund, Rune Alexander; Hestvik, Anne Lise Karlsgot; Holmøy, Trygve & Maghazachi, Azzam (2011). Expression and functional activity of chemokine receptors in glatiramer acetate-specific T cells isolated from multiple sclerosis patient receiving the drug glatiramer acetate. Human Immunology.  ISSN 0198-8859.  72(2), s 124- 134 . doi: 10.1016/j.humimm.2010.10.016
• Kampman, Margitta Theodora; Eriksen, Erik Fink & Holmøy, Trygve (2011). Multiple sclerosis, a cause of secondary osteoporosis? What is the evidence and what are the clinical implications?. Acta Neurologica Scandinavica.  ISSN 0001-6314.  124, s 44- 49 . doi: 10.1111/j.1600-0404.2011.01543.x
• Lossius, Peter Andreas Vold; Vartdal, Frode & Holmøy, Trygve (2011). Vitamin D sensitive EBNA-1 specific T cells in the cerebrospinal fluid of patients with multiple sclerosis. Journal of Neuroimmunology.  ISSN 0165-5728.  240, s 87- 96 . doi: 10.1016/j.jneuroim.2011.09.011
• Moen, Stine Marit; Celius, Elisabeth Gulowsen; Nordsletten, Lars & Holmøy, Trygve (2011). Fractures and falls in patients with newly diagnosed clinically isolated syndrome and multiple sclerosis. Acta Neurologica Scandinavica.  ISSN 0001-6314.  124, s 79- 82 . doi: 10.1111/j.1600-0404.2011.01548.x
• Moen, Stine Marit; Celius, Elisabeth Gulowsen; Sandvik, Leiv; Nordsletten, Lars; Eriksen, Erik Fink & Holmøy, Trygve (2011). Low bone mass in newly diagnosed multiple sclerosis and clinically isolated syndrome. Neurology.  ISSN 0028-3878.  77(2), s 151- 157 . doi: 10.1212/WNL.0b013e3182242d34
• Pandya, Abhilash D.; Al-Jaderi, Zaidoon; Høglund, Rune Alexander; Holmøy, Trygve; Harbo, Hanne Flinstad; Norgauer, Johannes & Maghazachi, Azzam (2011). Identification of Human NK17/NK1 Cells. PLoS ONE.  ISSN 1932-6203.  6(10) . doi: 10.1371/journal.pone.0026780
• Smolders, J; Hupperts, Raymond; Barkhof, Frederik; Grimaldi, L. M.; Holmøy, Trygve; Killestein, Joep; Rieckmann, Peter; Schluep, Myriam; Vieth, Reinhold; Hostalek, Ulrike; Ghazi-Visser, Lizette & Beelke, Manolo (2011). Efficacy of vitamin D-3 as add-on therapy in patients with relapsing-remitting multiple sclerosis receiving subcutaneous interferon beta-1a: A Phase II, multicenter, double-blind, randomized, placebo-controlled trial. Journal of the Neurological Sciences.  ISSN 0022-510X.  311(1-2), s 44- 49 . doi: 10.1016/j.jns.2011.04.013
• Smolders, J; Moen, Stine Marit; Damoiseaux, Jan; Huitinga, Inge & Holmøy, Trygve (2011). Vitamin D in the healthy and inflamed central nervous system: access and function. Journal of the Neurological Sciences.  ISSN 0022-510X.  311(1-2), s 37- 43 . doi: 10.1016/j.jns.2011.07.033
• Jensen, D; Brønstad, Gunnar; Thiede, Bernd; Dunstan, H.; Lien, E.B.; Holmoy, T & Reichelt, Karl Ludvig (2010). Hyper-peptiduria in multiple sclerosis. Current Trends in Immunology.  ISSN 0972-4567.  (4), s 51- 60

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• Torkildsen, Øivind; Holmøy, Trygve & Myhr, Kjell-Morten (2018). Severe multiple sclerosis reactivation after gonadotropin treatment. Multiple Sclerosis and Related Disorders.  ISSN 2211-0348.  22, s 38- 40 . doi: 10.1016/j.msard.2018.02.031
• Holmøy, Trygve & Torkildsen, Øivind (2017). Re: Familieplanlegging, graviditet og amming ved multippel sklerose. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  137(4), s 259- 259 . doi: 10.4045/tidsskr.17.0054
• Røsjø, Egil Rørvik & Holmøy, Trygve (2017). Vitamin A, D and E and inflammation in multiple scerosis.
• Røsjø, Egil Rørvik; Lossius, Andreass; Abelmagid, Nada; Lindstrøm, Jonas Christoffer; Kampman, Margitta Theodora; Jørgensen, Lone; Sundstrøm, Peter; Olsson, Tomas; Steffensen, Linn Hofsøy; Torkildesen, Øivind & Holmøy, Trygve (2017). Selective and transient effect of vitamin D3 supplementation on antibody responses against Epstein-Barr virus nuclear antigen 1 in relapsing-remitting multiple sclerosis.
• Holmøy, Trygve (2016). Re: Kronisk utmattelsessyndrom/ myalgisk encefalopati – sykdomsmekanismer, diagnostikk og behandling. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  136(3), s 204- 205 . doi: 10.4045/tidsskr.16.0051
• Holmøy, Trygve & Torkildsen, Øivind (2016). Can Vitamin D reduce inflammation in relapsing-remitting multiple sclerosis?. Expert Review of Neurotherapeutics.  ISSN 1744-8360.  16(3), s 233- 235 . doi: 10.1586/14737175.2016.1146134
• McKenna, Malachi John & Holmøy, Trygve (2015). Approach to bone protection in multiple sclerosis. European Journal of Neurology.  ISSN 1351-5101.  22(4), s 601- 602 . doi: 10.1111/ene.12504
• Røsjø, Egil Rørvik; Myhr, Kjell-Morten; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Steffensen, Linn Hofsøy; Bakke, Søren Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Benth, Jūratė Šaltytė; Lindstrøm, Jonas Christoffer; Mellgren, Svein Ivar; Jørgensen, Lone; Torkildsen, Øivind; Wergeland, Stig; Michelsen, Annika; Aukrust, Pål; Ueland, Thor & Holmøy, Trygve (2015). Vitamin D og interferon-behandling ved multippel sklerose.
• Bjørnevik, Kjetil Lauvland; Riise, Trond; Kirkeleit, Jorunn; Cortese, Marianna; Holmøy, Trygve; Kampman, Margitta Theodora; Magalhaes, Sandra; Myhr, Kjell-Morten; Wolfson, Christina & Pugliatti, Maura (2014). Level of education and multiple sclerosis risk after adjustment for known risk factors: the EnvIMS study.
• Gulbrandsen, Pål; Ofstad, Eirik Hugaas; Holmøy, Trygve & Vandvik, Per Olav (2014). Pasientmedvirkning ved beslutninger om behandling. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  134(17), s 1670- 1672 . doi: 10.4045/tidsskr.14.0239
• Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Kampman, Margitta Theodora; Torkildsen, Øivind & Myhr, Kjell-Morten (2014). Re: Vitamin D-how much is enough, and is more better for your Health?. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  134(10), s 1024- 1025 . doi: 10.4045/tidsskr.14.0618
• Holmøy, Trygve; Myhr, Kjell-Morten & Bø, Lars (2014). Re: Uetisk av nevrologene ikke å tilby pasienter med multippel sklerose cytostatikabehandling med autolog stamcellestøtte. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  134(23/24), s 2239- 2240 . doi: 10.4045/tidsskr.14.1458
• Torkildsen, Øivind; Aarseth, Jan Harald; Celius, Elisabeth Gulowsen; Holmøy, Trygve; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond & Grytten, Nina Agnethe (2014). Reply to comment: Month of birth and risk of multiple sclerosis: confounding and adjustments. Annals of clinical and translational neurology.  ISSN 2328-9503.  5(1), s 376- 377 . doi: 10.1002/acn3.56
• Kvistad, SS; Myhr, Kjell-Morten; Holmøy, Trygve; Bakke, S.; Beiske, Antonie Giæver; Bjerve, Kristian S; Bjornara, BT; Hovdal, Harald Olav; Loken, KI; Lilleås, F; Midgard, Rune; Njølstad, Gro; Pedersen, T; Benth, JS; Wergeland, Stig & Torkildsen, Øivind (2013). Antibodies to Epstein-Barr virus and disease activity in multiple sclerosis. Multiple Sclerosis.  ISSN 1352-4585.  19(11), s 400- 400
• Lerum, Sverre Vigeland; Holmøy, Trygve; Solbrække, Kari Nyheim & Frich, Jan C (2013). Frail terminality: Health professionals’ and carers’ dynamic and diverging perceptions of chronicity and terminality in ALS/MND.
• Bjørnevik, Kjetil Lauvland; Riise, Trond; Wesnes, Kristin; Granieri, Enrico; Casetta, Ilaria; Drulovic, Jelena; Myhr, Kjell-Morten; Lauer, Klaus; Kampman, Margitta Theodora; Magalhaes, Sandra; Pekmezovic, Tatjana; Holmøy, Trygve; Landtblom, Anne-marie; Wolfson, Christina & Pugliatti, Maura (2012). An age at exposure effect between sun exposure and the risk of MS in Norway and Italy. Multiple Sclerosis.  ISSN 1352-4585.  18, s s15- s15
• Siewers, Vibeke; Holmøy, Trygve & Frich, Jan C (2012). Patients' and caregivers experience of mechanical in-exsufflation. Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration.  ISSN 2167-8421.  13, s 145- 145
• Siewers, Vibeke; Holmøy, Trygve & Frich, Jan C (2012). Patient's and caregivers experience of mechanical in-exsufflation.
• Wesnes, Kristin; Riise, Trond; Myhr, Kjell-Morten; Magalhaes, Sandra; Wolfson, Christina; Holmøy, Trygve; Casetta, Ilaria; Granieri, Enrico; Drulovic, Jelena; Pekmezovic, Tatjana; Kampman, Margitta Theodora; Landtblom, Anne-Marie; Lauer, Klaus & Pugliatti, Maura (2012). The relationship between body size and the risk of multiple sclerosis. -The EnvIMS study.
• Holmøy, Trygve (2010). Autoimmun encefalopati. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  130(10), s 1043 . doi: 10.4045/tidsskr.10.0323
• Holmøy, Trygve (2010). Stiff person syndrome. Journal of Neuroimmunology.  ISSN 0165-5728.  222(1-2), s 7- 7

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