Jon Thor Trærup Andersen

Jon Thor Trærup Andersen

Clinical Professor

Member of:

  • Clinical Pharmacology


  1. 2024
  2. Published

    Cutaneous manifestations of misuse of androgenic anabolic steroids: A retrospective cohort study

    Heerfordt, I. M., Windfeld-Mathiasen, J., Dalhoff, Kim, Mogensen, Mette, Andersen, Jon Thor Trærup & Horwitz, Henrik, 2024, In: Journal of the American Academy of Dermatology. 90, 5, p. 1047-1048 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  3. Published

    Establishment of a children's Drugs and Therapeutics Committee to ensure evidence-based and cost-effective medical treatment for children

    Holst, S. S., Møller, C. H., Vermehren, Charlotte, Trolle, S., Hansen, B., Kirkedal, A. B. K., Christensen, H. R., Jacobsen, T., Mathiasen, René, Andersen, Jon Thor Trærup & Gade, Christina, 2024, In: British Journal of Clinical Pharmacology. 90, 2, p. 378-387

    Research output: Contribution to journalReviewResearchpeer-review

  4. Published

    Extensive androgen exposure and meningioma risk – A matched cohort study

    Giraldi, L., Heerfordt, I. M., Windfeld-Mathiasen, J., Dalhoff, Kim, Andersen, Jon Thor Trærup & Horwitz, Henrik, 2024, In: Clinical Neurology and Neurosurgery. 239, 3 p., 108217.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. 2023
  6. Published

    Duloxetine Exposure During Pregnancy and the Risk of Offspring Being Born Small for Gestational Age or Prematurely: A Nationwide Danish and Swedish Safety Study

    Ankarfeldt, Mikkel Zöllner, Petersen, Janne, Andersen, Jon Thor Trærup, Fernandes, M. F. S., Li, H., Motsko, S. P., Fast, T. & Jimenez-Solem, E., 2023, In: Drugs - Real World Outcomes. 10, p. 69-81 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Interferon-beta exposure in-utero and the risk of infections in early childhood

    Windfeld-Mathiasen, J., Horwitz, Henrik, Andersen, J. B., Framke, E., Gade, Christina, Andersen, Jon Thor Trærup & Magyari, M., 2023, In: Multiple Sclerosis and Related Disorders. 77, 5 p., 104867.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Massive presence of off-label medicines in Danish neonatal departments: A nationwide survey using national hospital purchase data

    Gade, Christina, Trolle, S., Mørk, M. L., Lewis, A., Andersen, P., Jacobsen, T., Andersen, Jon Thor Trærup & Lausten-Thomsen, U., 2023, In: Pharmacology Research and Perspectives. 11, 1, 8 p., e01037.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Protocol for DEprescribing and Care to reduce Antipsychotics in Dementia (DECADE)-A hybrid effectiveness-implementation pilot study

    Benthien, K. S., Lech, L. V. J., Birke, H., Jørgensen, S. M., Andersen, T., Hansen, S. V., Andersen, Jon Thor Trærup, Karstoft, Kristian, Schiøtz, M. & Vermehren, Charlotte, 2023, In: PLoS ONE. 18, 11 , 12 p., e0294024.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Safety of glucagon-like peptide-1 receptor agonists for weight management in adults, adolescents, and children with obesity: A scoping review

    Baden, C. S., Andersen, Jon Thor Trærup, Christensen, Mikkel Bring & Gade, Christina, 2023, In: Adverse Drug Reaction Bulletin. 339, 1, p. 1315-1318 4 p.

    Research output: Contribution to journalReviewResearchpeer-review

  11. Published

    Safety of pharmacologically induced lactation

    Thøgersen, P. L., Gotfredsen, D. R., Gade, Christina, Horwitz, Henrik & Andersen, Jon Thor Trærup, 2023, In: Adverse Drug Reaction Bulletin. 341, 1, p. 1323-1326 4 p.

    Research output: Contribution to journalReviewResearchpeer-review

  12. 2022
  13. Published

    Ciprofloxacin exposure and adverse pregnancy outcomes: A Danish nationwide cohort study

    Noergaard, M., Gotfredsen, D. R., Sørensen, A. M. S. & Andersen, Jon Thor Trærup, 2022, In: BJOG: An International Journal of Obstetrics and Gynaecology. 129, 9, p. 1503-1511

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Exposure to Tramadol During Early Pregnancy and Risk of Spontaneous Abortion or Major Congenital Malformations

    Sorensen, A. M. S., Noergaard, M. M., Gotfredsen, D. R., Kjaerbye-Thygesen, A., Jimenez-Solem, E., Askaa, B., Poulsen, Henrik Enghusen, Horwitz, Henrik & Andersen, Jon Thor Trærup, 2022, In: Obstetrics and Gynecology. 139, 4, p. 545-553 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Mirtazapine exposure in pregnancy and fetal safety: A nationwide cohort study

    Ostenfeld, A., Petersen, Tonny Studsgaard, Pedersen, L. H., Westergaard, H. B., Løkkegaard, Ellen Christine Leth & Andersen, Jon Thor Trærup, 2022, In: Acta Psychiatrica Scandinavica. 145, 6, p. 557-567 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Psychiatric morbidity among men using anabolic steroids

    Windfeld-Mathiasen, J., Christoffersen, T., Strand, N. A. W., Dalhoff, Kim, Andersen, Jon Thor Trærup & Horwitz, Henrik, 2022, In: Depression and Anxiety. 39, 12, p. 805-812 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    The Blind Spot of Pharmacology: A Scoping Review of Drug Metabolism in Prematurely Born Children

    Mørk, M. L., Andersen, Jon Thor Trærup, Lausten-Thomsen, U. & Gade, C., 2022, In: Frontiers in Pharmacology. 13, 13 p., 828010.

    Research output: Contribution to journalReviewResearchpeer-review

  18. 2021
  19. Published

    Evaluation of Topical Corticosteroid Use in Pregnancy and Risk of Newborns Being Small for Gestational Age and Having Low Birth Weight

    Andersson, N. W., Skov, Lone & Andersen, Jon Thor Trærup, Jul 2021, In: JAMA Dermatology. 157, 7, p. 788-795 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Pros and Cons in Using Population-Based Registers for Assessing the Fetal Safety of Drugs-Reply

    Andersson, N. W. & Andersen, Jon Thor Trærup, Apr 2021, In: JAMA Pediatrics. 175, 4, p. 427-428 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  21. Published

    Association between use of macrolides in pregnancy and risk of major birth defects: nationwide, register based cohort study

    Andersson, N. W., Olsen, Rasmus Huan & Andersen, Jon Thor Trærup, 10 Feb 2021, In: The BMJ. 372, 10 p., n107.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Drug poisoning in nursing homes: a retrospective study of data from the Danish Poison Information Centre

    Jakobsen, H. N., Vermehren, Charlotte, Andersen, Jon Thor Trærup & Dalhoff, Kim, 2021, In: Drugs and Therapy Perspectives. 37, 7, p. 328-337 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Duloxetine Exposure During Pregnancy and the Risk of Spontaneous and Elective Abortion: A Danish Nationwide Observational Study

    Ankarfeldt, Mikkel Zöllner, Petersen, Janne, Andersen, Jon Thor Trærup, Fernandes, M. F. S., Li, H., Motsko, S. P., Fast, T. & Solem, Espen Victor Jimenez, 2021, In: Drugs - Real World Outcomes. 8, 3, p. 289-299 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Exposure to duloxetine during pregnancy and risk of congenital malformations and stillbirth: A nationwide cohort study in Denmark and Sweden

    Ankarfeldt, Mikkel Zöllner, Petersen, Janne, Andersen, Jon Thor Trærup, Li, H., Motsko, S. P., Fast, T., Hede, S. M. & Solem, Espen Victor Jimenez, 2021, In: PLoS Medicine. 18, 11, 17 p., e1003851.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Exposure to terbinafine in pregnancy and risk of preterm birth, small for gestational age, low birth weight, and stillbirth: A nationwide cohort study

    Andersson, N. W., Thomsen, Simon Francis & Andersen, Jon Thor Trærup, 2021, In: Journal of the American Academy of Dermatology. 84, 3, p. 763-767 5 p.

    Research output: Contribution to journalLetterResearchpeer-review

  26. Published

    Fetal safety of chloroquine and hydroxychloroquine use during pregnancy: A nationwide cohort study

    Andersson, N. W., Skov, Lone & Andersen, Jon Thor Trærup, 2021, In: Rheumatology (United Kingdom). 60, 5, p. 2317-2326

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    How patients in Denmark acquire their medicines: overview, data sources and implications for pharmacoepidemiology

    Jensen, T. B., Andersen, Jon Thor Trærup, Solem, Espen Victor Jimenez & Lund, M., 2021, In: Basic and Clinical Pharmacology and Toxicology. 128, 1, p. 46-51 6 p.

    Research output: Contribution to journalReviewResearchpeer-review

  28. Published

    Male Fertility Before and After Androgen Abuse

    Windfeld-Mathiasen, J., Dalhoff, Kim, Andersen, Jon Thor Trærup, Klemp, Marc Patrick Brag, Horwitz, Anna & Horwitz, Henrik, 2021, In: The Journal of clinical endocrinology and metabolism. 106, 2, p. 442-449 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Therapeutic concentration of ciprofloxacin and transfer across the human term placenta

    Noergaard, M., Jensen, P. B., Resendal Gotfredsen, D., Bergholt, Thomas, Andersen, Jon Thor Trærup & Mathiesen, Line, 2021, In: American Journal of Obstetrics and Gynecology. 225, 6, p. 670.e1-670.e9 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. 2020
  31. Published

    Association Between Fexofenadine Use During Pregnancy and Fetal Outcomes

    Andersson, N. W., Torp-Pedersen, C. & Andersen, Jon Thor Trærup, 2020, In: JAMA Pediatrics. 174, 8, 9 p., e201316.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Association between Fetal Safety Outcomes and Exposure to Local Podophyllotoxin during Pregnancy

    Andersson, N. W. & Andersen, Jon Thor Trærup, 2020, In: JAMA Dermatology. 156, 3, p. 303-311 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Desloratadine Use During Pregnancy and Risk of Adverse Fetal Outcomes: A Nationwide Cohort Study

    Andersson, N. W., Poulsen, Henrik Enghusen & Andersen, Jon Thor Trærup, 2020, In: Journal of Allergy and Clinical Immunology: In Practice. 8, 5, p. 1598-1605 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Drugs in pregnancy

    Andersen, Jon Thor Trærup & Futtrup, T. B., 2020, In: Adverse Drug Reaction Bulletin. 321, 1, p. 1243-1246 4 p.

    Research output: Contribution to journalReviewResearchpeer-review

  35. Published

    Patent ductus arteriosus closure: Why same-dose oral ibuprofen is superior to intravenous

    Jensen, T. B., Kampmann, J. P. & Andersen, Jon Thor Trærup, 2020, In: Archives of Disease in Childhood: Fetal and Neonatal Edition. 105, 3, p. 340-340 1 p.

    Research output: Contribution to journalLetterResearchpeer-review

  36. Published

    Paternal acitretin exposure and the risk of miscarriage and major congenital malformations: A nationwide register-based cohort study

    Noergaard, M., Clausen, Stine Søndersted & Andersen, Jon Thor Trærup, 2020, In: Journal of the American Academy of Dermatology. 83, 1, p. 257-259 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Shift from Adalimumab Originator to Biosimilars in Denmark

    Jensen, T. B., Kim, S. C., Solem, Espen Victor Jimenez, Bartels, D., Christensen, H. R. & Andersen, Jon Thor Trærup, 2020, In: JAMA Internal Medicine. 180, 6, p. 902-903 2 p.

    Research output: Contribution to journalLetterResearchpeer-review

  38. Published

    Systematic Medication Review in General Practice by an Interdisciplinary Team: A thorough but Laborious Method to Address Polypharmacy among Elderly Patients

    Dalin, D. A., Vermehren, Charlotte, Jensen, A. K., Unkerskov, J. & Andersen, Jon Thor Trærup, 2020, In: Pharmacy. 8, 2, 13 p., 57.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Validating the effect of Ondansetron and Mirtazapine In Treating hyperemesis gravidarum (VOMIT): protocol for a randomised placebo-controlled trial

    Ostenfeld, A., Petersen, Tonny Studsgaard, Futtrup, T. B., Andersen, Jon Thor Trærup, Jensen, Andreas Kryger, Westergaard, H. B., Pedersen, L. H. & Løkkegaard, Ellen Christine Leth, 2020, In: BMJ Open. 10, 3, 9 p., e034712.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. 2019
  41. Published

    The Mossman-Pacey Paradox

    Horwitz, Henrik, Dalhoff, Kim & Andersen, Jon Thor Trærup, Aug 2019, In: Journal of Internal Medicine. 286, 2, p. 233-234 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  42. Published

    Health consequences of androgenic anabolic steroid use

    Horwitz, Henrik, Andersen, Jon Thor Trærup & Dalhoff, Kim, Mar 2019, In: Journal of Internal Medicine. 285, 3, p. 333-340 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Anabolic-androgenic steroids and the risk of imprisonment

    Christoffersen, T., Andersen, Jon Thor Trærup, Dalhoff, Kim & Horwitz, Henrik, 2019, In: Drug and Alcohol Dependence. 203, p. 92-97 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Discrepancies Between the Medication List in Electronic Prescribing Systems and Patients' Actual Use of Medicines

    Bülow, Cille, Flagstad Bech, C., Ullitz Faerch, K., Andersen, Jon Thor Trærup, Byg Armandi, H. & Treldal, C., 2019, In: The Senior care pharmacist. 34, 5, p. 317-324

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Exposure to antazoline-naphazoline eye drops during pregnancy and the risk of congenital malformations: a Danish nationwide cohort study

    Thomseth, V., Cejvanovic, V., Jimenez-Solem, E., Poulsen, Henrik Enghusen, Utheim, T. P. & Andersen, Jon Thor Trærup, 2019, In: Acta Ophthalmologica. 97, 5, p. 505-509 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Perceptions of medicine use among pregnant women: an interview‑based study

    Søgaard Nyholm, R., Andersen, Jon Thor Trærup, Vermehren, Charlotte & Kaae, Susanne, 2019, In: International Journal of Clinical Pharmacy. 41, p. 1021–1030 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. 2018
  48. Published

    Outcomes following calcium channel blocker exposures reported to a poison information center

    Christensen, Mikkel Bring, Petersen, K. M., Bøgevig, S., Al-Gibouri, S., Solem, Espen Victor Jimenez, Dalhoff, Kim, Petersen, Tonny Studsgaard & Andersen, Jon Thor Trærup, 2018, In: B M C Clinical Pharmacology. 19, 1, p. 1-8 8 p., 78.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. 2017
  50. Published

    The prognosis following amphetamine poisoning

    Horwitz, H., Dalhoff, Kim, Klemp, Marc Patrick Brag, Horwitz, Anna, Andersen, Jon Thor Trærup & Jürgens, Gesche, Dec 2017, In: Scandinavian Journal of Public Health. 45, 8, p. 773-781 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Clarithromycin, trimethoprim, and penicillin and oxidative nucleic acid modifications in humans: randomised, controlled trials

    Larsen, E. L., Cejvanovic, V., Kjær, L. K., Pedersen, M. T., Popik, S. D., Hansen, L. K., Andersen, Jon Thor Trærup, Solem, Espen Victor Jimenez, Broedbaek, K., Petersen, M., Weimann, A., Henriksen, T., Lykkesfeldt, Jens, Torp-Pedersen, C. & Poulsen, Henrik Enghusen, Aug 2017, In: British Journal of Clinical Pharmacology. 83, 8, p. 1643-1653

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    Risk of Adverse Pregnancy Outcome After Paternal Exposure to Methotrexate Within 90 Days Before Pregnancy

    Eck, L. K., Jensen, T. B., Mastrogiannis, D., Torp-Pedersen, A., Askaa, B., Nielsen, T. K., Poulsen, Henrik Enghusen, Jimenez-Solem, E. & Andersen, Jon Thor Trærup, 2017, In: Obstetrics and Gynecology. 129, 4, p. 707-714

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Weekly ascorbic acid infusion in castration-resistant prostate cancer patients: A single-arm phase II trial

    Nielsen, Torben Kjær, Højgaard, M., Andersen, Jon Thor Trærup, Jørgensen, N. R., Zerahn, B., Kristensen, B., Henriksen, T., Lykkesfeldt, Jens, Mikines, K. J. & Poulsen, Henrik Enghusen, 2017, In: Translational Andrology and Urology. 6, 3, p. 517-528 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. 2016
  55. Published

    Diclofenac/misoprostol during early pregnancy and the risk of miscarriage: a Danish nationwide cohort study

    Andersen, Jon Thor Trærup, Mastrogiannis, D., Andersen, N. L., Petersen, M., Brødbæk, K., Cejvanovic, V., Nielsen, Torben Kjær, Poulsen, Henrik Enghusen & Solem, Espen Victor Jimenez, Aug 2016, In: Archives of Gynecology and Obstetrics. 294, 2, p. 245–250 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    Long-term Compliance with Oral 5-aminosalicylic Acid Therapy and Risk of Disease Recurrence in Patients with Ulcerative Colitis: A Population-based Cohort Study

    Prosberg, M. V., Vester-Andersen, M. K., Andersson, M., Jess, T., Andersen, Jon Thor Trærup, Vind, Ida & Bendtsen, Flemming, Apr 2016, In: Inflammatory Bowel Diseases. 22, 4, p. 925-932 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    The Effect of Trimethoprim on Serum Folate Levels in Humans: A Randomized, Double-Blind, Placebo-Controlled Trial

    Petersen, K. M., Eplov, K., Nielsen, Torben Kjær, Solem, Espen Victor Jimenez, Petersen, M., Brødbæk, K., Daugaard Popik, S., Kallehave Hansen, L., Poulsen, Henrik Enghusen & Andersen, Jon Thor Trærup, Mar 2016, In: American Journal of Therapeutics. 23, 2, p. e382–e387 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Published

    Birth outcomes after exposure to mebendazole and pyrvinium during pregnancy – A Danish nationwide cohort study

    Torp-Pedersen, A., Solem, Espen Victor Jimenez, Cejvanovic, V., Poulsen, Henrik Enghusen & Andersen, Jon Thor Trærup, 2016, In: Journal of Obstetrics and Gynaecology. 36, 8, p. 1020-1025 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Published

    Simvastatin and oxidative stress in humans: A randomized, double-blinded, placebo-controlled clinical trial

    Rasmussen, S. T., Andersen, Jon Thor Trærup, Nielsen, T. K., Cejvanovic, V., Petersen, K. M., Henriksen, T., Weimann, A., Lykkesfeldt, Jens & Poulsen, Henrik Enghusen, 2016, In: Redox Biology. 9, p. 32-38

    Research output: Contribution to journalJournal articleResearchpeer-review

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