Personal profile
CV
Thomas Benfield, MD DTMH DMSc;
Department of Infectious Diseases / CREDID
Copenhagen University Hospital – Amager and Hvidovre
Kettegaard Alle 30, 2650 Hvidovre, Denmark
ORCID ID: https://orcid.org/0000-0003-0698-9385
Autorisation ID: 00NSC (Board of Health, Denmark)
Medical degree (MD) from the University of Copenhagen in January 1992
Doctoral degree (DMSc) from the University of Copenhagen in January 2003
Current position(s): Professor - University of Copenhagen (August 2014-); Consultant – Department of Infectious Diseases, Copenhagen University Hospital – Amager and Hvidovre (October 2007-); Director of Clinical Research, Dept. of Infectious Diseases, Copenhagen University Hospital – Amager and Hvidovre (October 2007-); Editor-in-chief, Danish Medical Journal (2021-) and Director, Center of Clinical Research & Disruption of Infectious Diseases (CREDID) (2020-). Deputy Head, Department of Clinical Medicine, University of Copenhagen (2024-). All Denmark.
Professional career:
Trained in internal medicine and infectious diseases:
Department of Reumatology, Hvidovre Hospital, Denmark (internship 1992)
Department of Infectious Diseases, Hvidovre Hospital, Denmark (internship 1992-93, 1997)
Fellowship at Critical Care Medicine Dept., National Institute of Health, USA (1994-95)
Department of Infectious Diseases, Hvidovre Hospital, Denmark (research assistent 1995-97)
Department of Internal Medicine, Roskilde Hospital, Denmark (residenceship 1997-98)
Department of Pulmonary Medicine, Hvidovre Hoopital, Denmark (fellow 1998-99)
Department of Nephrology, Rigshospitalet, Denmark (fellow 1999-2000)
Department of Oncology, Rigshospitalet, Denmark (fellow 2000)
Department of Infectious Diseases, Rigshospitalet, Denmark (fellow 2000-2005)
Copenhagen HIV Programme, Hvidovre Hospital, Denmark (deputy director 2005-06)
Department of Infectious Diseases, Hvidovre Hospital, Denmark (senior fellow 2006-07)
Lifelong clinician scientist career with a focus on basic and clinical research within HIV / AIDS, hepatitis C, sepsis and pneumonia. Clinical trial focus on sepsis, pneumonia, HIV and viral respiratory infections (COVID-19, influenza and RSV). Investigator and subinvestigator of clinical phase I-III trials of antiretrovirals, antivirals and vaccines. Clinical management of patients infected with sepsis, pneumonia, meningitis, tuberculosis, HIV, hepatitis B and C. Chaired phase I, II and III Data Safety Monitoring Boards.
Good Clinical Practice training: GCP Unit (http://www.gcp-enhed.dk/en/forside/) on March 1, 2023
Clinical Trial Experience: Sponsor (5), or primary investigator (5) of 10 on-going investigator- or industry-initiated trials within infectious diseases. Participation in > 30 prior randomized clinical trials.
Steering committee member of Trial Nation Infectious Disease and Immune Therapy (http://trialnation.dk).
Research group/leadership: PhD students: 5. Post docs: 1. Pregraduate research students: 2. Technician: 1. Statistician: 1. Study nurses: 2. Past PhD students: 12 (main supervisor) and 10 (co-supervisor). Past bachelor and graduate students: 43.
Honors: Hartmann Prize (2021), Danish Medical Association Honour Prize (2021), William Nielsen Award (2022)
Research grants: > € 3.000.000 in past five years including Novo Nordisk Foundation Investigator-initiated Clinical Research Grant 2018 (DKK 7.605.137, NNF18OC0034666), Lundbeck Foundation (DKK 5.000.000), Independent Research Fund Denmark (co-applicant DKK 2.200.000).
Possible conflicts of interest
Dr. Benfield reports grants from Novo Nordisk Foundation, Lundbeck Foundation, Simonsen Foundation, GSK, and Pfizer; personal fees from GSK, Pfizer, Bavarian Nordic, Gilead, MSD, Janssen, Moderna and Astra Zeneca; outside the submitted work.
Keywords
- Faculty of Health and Medical Sciences
Collaborations and top research areas from the last five years
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Diagnostic performance of upper airway sampling sites for SARS-CoV-2 and influenza testing
Lopez-Perez, M., Benfield, T., Jakobsen, K. K., Dal, M. H., Stange, S. D., Ersbøll, A. K., Larsen, H., Berger, S. S., Gredal, T., Buchwald, C. V., Kirkby, N. & Todsen, T., 2026, In: Microbiology Spectrum. 14, 1, 11 p., e0221225.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile9 Downloads (Pure) -
Ethnic Differences in Symptom Burden, Work and Daily Life: A Study of Long COVID Patients in Denmark
Goldschmidt, M. I., Mkoma, G. F., Petersen, J. H., Agyemang, C., Rostila, M., Thaning, P., Hansen, E. F., Benfield, T. & Norredam, M., 29 Jan 2026, In: Journal of General Internal Medicine.Research output: Contribution to journal › Journal article › Research › peer-review
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Experiences of access to care, diagnosis and rehabilitation among a multiethnic patient population with long COVID in Denmark: A qualitative study
Goldschmidt, M. I., Torensma, M., Beune, E., Agyemang, C., Rostila, M., Benfield, T., Norredam, M. & Moseholm, E., 2026, (E-pub ahead of print) In: Scandinavian Journal of Public Health. 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Glycemic Variability and Diabetic Events in Hospitalized Patients With COVID-19 Treated With Dexamethasone: An Observational Cohort Study
Clausen, C. L., Bryrup, T., Leo-Hansen, C., Faurholt-Jepsen, D., Krogh-Madsen, R., Jørgensen, H. L., Meddis, A., Almdal, T. P., Snorgaard, O. & Benfield, T., 2026, In: APMIS. 134, 2, 9 p., e70155.Research output: Contribution to journal › Journal article › Research › peer-review
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Immunogenicity of SARS-CoV-2 primary vaccination and boosters in patients with immune-mediated inflammatory diseases: Impact of immunosuppressive therapy
Larsen, F. D., Juhl, A. K., Dietz, L. L., Nielsen, H., Stærke, N. B., Johansen, I. S., Wiese, L., Benfield, T., Bodilsen, J., Klastrup, V., Lindvig, S. O., Rasmussen, L. D., Knudsen, L. S., Tolstrup, M., Østergaard, L. J., Lundgren, J., Søgaard, O. S., Larsen, C. S. & ENFORCE Study Group, 2026, In: Vaccine. 73, 10 p., 128155.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile3 Downloads (Pure) -
Metabolic dysfunction-associated steatotic liver disease linked to antiretroviral exposure in cohort of people with HIV
Lindhardt, M. S., Jensen, L. R., Meddis, A., Gluud, L. L. & Benfield, T., 2026, (E-pub ahead of print) In: AIDS.Research output: Contribution to journal › Journal article › Research › peer-review
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Outcomes Related to Bacterial Co-Infection and Antibiotic Use in Adults Hospitalized With Respiratory Syncytial Virus Compared with Influenza
Karlsen, K. L., Clausen, C. L., Kahiyah, R. A. S., Alkarawi, A., Egeskov-Cavling, A. M., Hayder, N., Sejdic, A., Roed, C., Holler, J. G., Nielsen, L., Eiberg, M. F., Rezahosseini, O., Østergaard, C., Harboe, Z. B., Fischer, T. K., Lindegaard, B. & Benfield, T., 2026, In: Open Forum Infectious Diseases. 13, 1, 8 p., ofaf778.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile6 Downloads (Pure) -
Plasma levels of lipoprotein(a) in persons with HIV compared to the general population
Stoltz, T. T., Jensen, A. M. R., Roed, A. K. H., Frikke-Schmidt, R., Knudsen, A. D., Suarez-Zdunek, M. A., Benfield, T., Nordestgaard, B. G., Kamstrup, P. R., Ostrowski, S. R., Tr Seid, M., Afzal, S. & Nielsen, S. D., 2026, In: AIDS (London, England). 40, 1, p. 35-42 8 p.Research output: Contribution to journal › Journal article › Research › peer-review