Tomas Olsson

59.8k total citations · 7 hit papers
679 papers, 31.2k citations indexed

About

Tomas Olsson is a scholar working on Pathology and Forensic Medicine, Immunology and Molecular Biology. According to data from OpenAlex, Tomas Olsson has authored 679 papers receiving a total of 31.2k indexed citations (citations by other indexed papers that have themselves been cited), including 304 papers in Pathology and Forensic Medicine, 272 papers in Immunology and 115 papers in Molecular Biology. Recurrent topics in Tomas Olsson's work include Multiple Sclerosis Research Studies (286 papers), T-cell and B-cell Immunology (124 papers) and Immunotherapy and Immune Responses (87 papers). Tomas Olsson is often cited by papers focused on Multiple Sclerosis Research Studies (286 papers), T-cell and B-cell Immunology (124 papers) and Immunotherapy and Immune Responses (87 papers). Tomas Olsson collaborates with scholars based in Sweden, United States and Germany. Tomas Olsson's co-authors include Lars Alfredsson, Jan Hillert, Mohsen Khademi, Fredrik Piehl, Anna Karin Hedström, Ingrid Kockum, Hans Link, Lisa F. Barcellos, Christopher Linington and Bo Höjeberg and has published in prestigious journals such as New England Journal of Medicine, Cell and Proceedings of the National Academy of Sciences.

In The Last Decade

Tomas Olsson

666 papers receiving 30.5k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Interactions between genetic, lifestyle and environmental risk factors for multiple sclerosis

2016 769 citations Tomas Olsson, Lars Alfredsson et al. profile →
Multiple Sclerosis and Chronic Autoimmune Encephalomyelitis

2000 727 citations Maria K. Storch, Tomas Olsson et al. profile →
Randomized Trial of Oral Teriflunomide for Relapsing Multiple Sclerosis

2011 693 citations Tomas Olsson et al. profile →
Oral teriflunomide for patients with relapsing multiple sclerosis (TOWER): a randomised, double-blind, placebo-controlled, phase 3 trial

2014 402 citations Tomas Olsson et al. profile →
Infection Risks Among Patients With Multiple Sclerosis Treated With Fingolimod, Natalizumab, Rituximab, and Injectable Therapies

2019 346 citations Peter Alping, Joachim Burman et al. profile →
Monitoring disease activity in multiple sclerosis using serum neurofilament light protein

2017 325 citations Henrik Zetterberg, Peter Sundström et al. Neurology profile →
Guidance for use of neurofilament light chain as a cerebrospinal fluid and blood biomarker in multiple sclerosis management

2024 65 citations Jan Lycke, Tomas Olsson et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Tomas Olsson Sweden	92	14.4k	10.6k	5.8k	5.5k	4.9k	679	31.2k
Moses Rodriguez United States	79	13.7k 0.9×	6.5k 0.6×	5.4k 0.9×	6.1k 1.1×	2.9k 0.6×	489	27.0k
Reinhard Hohlfeld Germany	82	10.0k 0.7×	7.6k 0.7×	5.6k 1.0×	6.0k 1.1×	3.2k 0.7×	301	23.0k
Amit Bar‐Or Canada	83	14.5k 1.0×	9.1k 0.9×	5.0k 0.9×	5.8k 1.0×	4.0k 0.8×	453	25.9k
Ralf Gold Germany	78	10.4k 0.7×	7.1k 0.7×	6.3k 1.1×	8.1k 1.5×	4.5k 0.9×	780	28.2k
Wolfgang Brück Germany	89	14.7k 1.0×	7.1k 0.7×	7.7k 1.3×	6.8k 1.2×	3.4k 0.7×	391	32.1k
Henry F. McFarland United States	68	15.3k 1.1×	10.0k 1.0×	4.4k 0.8×	4.8k 0.9×	4.1k 0.8×	264	27.1k
Gavin Giovannoni United Kingdom	79	14.1k 1.0×	4.2k 0.4×	4.3k 0.7×	7.2k 1.3×	4.4k 0.9×	678	26.2k
Roland Martinꝉ United States	82	8.8k 0.6×	14.0k 1.3×	6.8k 1.2×	2.3k 0.4×	4.8k 1.0×	461	28.2k
George C. Ebers Canada	77	23.0k 1.6×	7.2k 0.7×	4.4k 0.8×	7.5k 1.4×	4.1k 0.8×	357	31.9k
Jack P. Antel Canada	102	12.9k 0.9×	12.0k 1.1×	11.1k 1.9×	6.0k 1.1×	3.6k 0.7×	525	38.0k

Countries citing papers authored by Tomas Olsson

Since Specialization

Citations

This map shows the geographic impact of Tomas Olsson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Tomas Olsson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Tomas Olsson more than expected).

Fields of papers citing papers by Tomas Olsson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tomas Olsson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Tomas Olsson. The network helps show where Tomas Olsson may publish in the future.

Co-authorship network of co-authors of Tomas Olsson

This figure shows the co-authorship network connecting the top 25 collaborators of Tomas Olsson. A scholar is included among the top collaborators of Tomas Olsson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Tomas Olsson. Tomas Olsson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Olsson, Tomas, et al.. (2025). Smoking and Obesity Interact to Adversely Affect Disease Progression and Cognitive Performance in Multiple Sclerosis. European Journal of Neurology. 32(2). e70058–e70058. 2 indexed citations

Guo, Jie, Tomas Olsson, Jan Hillert, Lars Alfredsson, & Anna Karin Hedström. (2025). Lifestyle factors associated with benign multiple sclerosis. Journal of Neurology Neurosurgery & Psychiatry. 96(10). 947–952.

Osman, A, Sutapa Mukherjee, Kelly A. Loffler, et al.. (2024). A single overnight infusion of TAK-925, a selective orexin 2 receptor agonist, reduces obstructive sleep apnea severity. Sleep Medicine. 115. S326–S326.

Wu, Jing, Tomas Olsson, Jan Hillert, Lars Alfredsson, & Anna Karin Hedström. (2024). Association Between Alcohol Consumption and Disability Accumulation in Multiple Sclerosis. Neurology Neuroimmunology & Neuroinflammation. 11(5). e200289–e200289. 2 indexed citations

Piket, Eliane, Milena Z. Adzemovic, Manuel Zeitelhofer, et al.. (2024). The aging mouse CNS is protected by an autophagy-dependent microglia population promoted by IL-34. Nature Communications. 15(1). 383–383. 27 indexed citations

Piehl, Fredrik, Peter Alping, Simon Englund, et al.. (2024). COMBAT‐MS: A Population‐Based Observational Cohort Study Addressing the Benefit–Risk Balance of Multiple Sclerosis Therapies Compared with Rituximab. Annals of Neurology. 96(4). 678–693. 3 indexed citations

Hellberg, Sandra, Johanna Raffetseder, Mohsen Khademi, et al.. (2023). Proteomics reveal biomarkers for diagnosis, disease activity and long-term disability outcomes in multiple sclerosis. Nature Communications. 14(1). 6903–6903. 42 indexed citations

Gustafsson, Rasmus, Katharina Fink, Anders Svenningsson, et al.. (2023). Validation of elevated levels of interleukin-8 in the cerebrospinal fluid, and discovery of new biomarkers in patients with GBS and CIDP using a proximity extension assay. Frontiers in Immunology. 14. 1241199–1241199. 2 indexed citations

Biström, Martin, Jonatan Salzer, Pernilla Stridh, et al.. (2023). Human herpesvirus 6A and axonal injury before the clinical onset of multiple sclerosis. Brain. 147(1). 177–185. 13 indexed citations

10.

Rabenstein, Monika, Mohsen Khademi, Clas Malmeström, et al.. (2023). The impact of hybrid immunity on immune responses after SARS‐CoV‐2 vaccination in persons with multiple sclerosis treated with disease‐modifying therapies. European Journal of Neurology. 30(12). 3789–3798. 2 indexed citations

11.

Piehl, Fredrik, Tomas Olsson, Lars Alfredsson, et al.. (2022). Spasticity treatment patterns among people with multiple sclerosis: a Swedish cohort study. Journal of Neurology Neurosurgery & Psychiatry. 94(5). 337–348. 4 indexed citations

12.

Zheleznyakova, Galina Yurevna, Eliane Piket, Maria Needhamsen, et al.. (2021). Small noncoding RNA profiling across cellular and biofluid compartments and their implications for multiple sclerosis immunopathology. Proceedings of the National Academy of Sciences. 118(17). 22 indexed citations

13.

Burkill, Sarah, Ayako Hiyoshi, Tomas Olsson, et al.. (2020). Comorbid disease burden among MS patients 1968–2012: A Swedish register–based cohort study. Multiple Sclerosis Journal. 27(2). 268–280. 9 indexed citations

14.

Røsjø, Egil, Andreas Lossius, Nada Abdelmagid, et al.. (2016). Effect of high-dose vitamin D ₃ supplementation on antibody responses against Epstein–Barr virus in relapsing-remitting multiple sclerosis. Multiple Sclerosis Journal. 23(3). 395–402. 46 indexed citations

15.

Sjöstrand, Maria, et al.. (2015). The Expression of BAFF Is Controlled by IRF Transcription Factors. The Journal of Immunology. 196(1). 91–96. 76 indexed citations

16.

Hedström, Anna Karin, Malin Ryner, Anna Fogdell‐Hahn, et al.. (2013). Smoking and risk of treatment-induced neutralizing antibodies to interferon β-1a. Multiple Sclerosis Journal. 20(4). 445–450. 36 indexed citations

17.

Hedström, AK, Maria Bäärnhielm, Tomas Olsson, & Lars Alfredsson. (2011). Exposure to environmental tobacco smoke is associated with increased risk for multiple sclerosis. Multiple Sclerosis Journal. 17(7). 788–793. 91 indexed citations

18.

Ramagopalan, S V, Jenny Link, Jake Byrnes, et al.. (2009). HLA-DRB1 and month of birth in multiple sclerosis. Neurology. 73(24). 2107–2111. 38 indexed citations

19.

Iacobaeus, Ellen, Caroline F. Ryschkewitsch, Maneth Gravell, et al.. (2008). Analysis of cerebrospinal fluid and cerebrospinal fluid cells from patients with multiple sclerosis for detection of JC virus DNA. Multiple Sclerosis Journal. 15(1). 28–35. 48 indexed citations

20.

Mathey, Emily K., Tobias Derfuß, Maria K. Storch, et al.. (2007). Neurofascin as a novel target for autoantibody-mediated axonal injury. The Journal of Experimental Medicine. 204(10). 2363–2372. 304 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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