Mikkel Andreassen

Mikkel Andreassen

Clinical Associate Professor

Member of:

  • Internal Medicine: Endocrinology


  1. Published

    The effect of dopamine agonists on metabolic variables in adults with type 2 diabetes: A systematic review with meta analysis and trial sequential analysis of randomized clinical trials

    Andersen, I. B., Andreassen, Mikkel & Krogh, Jesper, 2021, In: Diabetes, Obesity and Metabolism. 23, 1, p. 58-67

    Research output: Contribution to journalReviewResearchpeer-review

  2. Published

    Surgical management, pre-operative tumor localization and histopathology of 80 patients operated for insulinoma.

    Andreassen, Mikkel, Ilett, E., Wiese, D., Slater, E., Klose, M., Hansen, C., Gercke, N., Langer, Seppo W., Kjær, Andreas, Maurer, E., Federspiel, B., Kann, P., Bartsch, D. & Knigge, Ulrich, 2019, In: Journal of Clinical Endocrinology and Metabolism. p. 6129–6138

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Association between GH receptor polymorphism (exon 3 deletion), serum IGF1, semen quality, and reproductive hormone levels in 838 healthy young men

    Andreassen, Mikkel, Jensen, R. B., Jørgensen, N. & Juul, A., Apr 2014, In: European Journal of Endocrinology. Supplement. 170, 4, p. 555-63 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Growth hormone (GH) activity is associated with increased serum oestradiol and reduced Anti-Müllerian Hormone in healthy male volunteers treated with GH and a GH antagonist

    Andreassen, Mikkel, Frystyk, J., Faber, Jens, Kristensen, L. Ø. & Juul, Anders, 2013, In: Andrology. 1, 4, p. 595-601 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Immunohistochemical Profiles in 81 Patients with Resected Insulinomas

    Andreassen, Mikkel, Ilett, E., Slater, E. P., Wiese, D., Hansen, C. P., Gehrke, N., Langer, Seppo W., Kjær, Andreas, Maurer, E., Federspiel, B., Bartsch, D. K. & Knigge, Ulrich, 2018, p. 136-136. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  6. Published

    Semen quality in hypogonadal acromegalic patients

    Andreassen, Mikkel, Juul, Anders, Feldt-Rasmussen, Ulla & Jørgensen, N., 2020, In: Pituitary. 23, p. 160-166

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Cardiac effects of 3 months treatment of acromegaly evaluated by magnetic resonance imaging and B-type natriuretic peptides

    Andreassen, Mikkel, Faber, J., Kjær, Andreas, Petersen, C. L., Kristensen, L. Ø. & Faber, Jens, 1 Dec 2010, In: Pituitary. 13, 4, p. 329-36 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Semen quality in patients with pituitary disease and adult-onset hypogonadotropic hypogonadism

    Andreassen, Mikkel, Juul, Anders, Feldt-Rasmussen, Ulla & Jørgensen, N., 2018, In: Endocrine Connections. 7, 4, p. 523-533 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Characteristics and reference ranges of Insulin-Like Growth Factor-I measured with a commercially available immunoassay in 724 healthy adult Caucasians

    Andreassen, Mikkel, Nielsen, K., Raymond, I., Kristensen, L. Ø., Faber, Jens, Andreassen, M., Nielsen, K. R., Raymond, I., Kristensen, L. Ø. & Faber, Jens, 2009, In: Scandinavian Journal of Clinical & Laboratory Investigation. 69, 8, p. 880-5 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    N-terminal pro-B-type natriuretic peptide in patients with growth hormone disturbances

    Andreassen, Mikkel, Faber, Jens, drb459, drb459, Kistorp, Caroline Michaela Nervil & Kristensen, L. Ø., May 2007, In: Clinical Endocrinology. 66, 5, p. 619-25 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Surgical Management, Preoperative Tumor Localization, and Histopathology of 80 Patients Operated on for Insulinoma

    Andreassen, Mikkel, Ilett, E., Wiese, D., Slater, E. P., Klose, M., Hansen, C. P., Gercke, N., Langer, Seppo W., Kjaer, A., Maurer, E., Federspiel, B., Kann, P. H., Bartsch, D. K. & Knigge, Ulrich, Dec 2019, In: Journal of Clinical Endocrinology and Metabolism. 104, 12, p. 6129-6138

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    IGF1 as predictor of all cause mortality and cardiovascular disease in an elderly population

    Andreassen, Mikkel, Raymond, I., Kistorp, C., Hildebrandt, P., Faber, Jens, Kristensen, L. Ø., Andreassen, M., Raymond, I., Kistorp, C., Hildebrandt, P., Faber, Jens & Kristensen, L. Ø., 2009, In: European Journal of Endocrinology. 160, 1, p. 25-31 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Cardiac function in growth hormone deficient patients before and after 1 year with replacement therapy: a magnetic resonance imaging study

    Andreassen, Mikkel, Faber, Jens, Kjær, A., Petersen, C. L., Kristensen, L. Ø. & Kjær, Andreas, 1 Mar 2011, In: Pituitary. 14, 1, p. 1-10 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Associations between plasma insulin-like growth factor-I and the markers of inflammation interleukin 6, C-reactive protein and YKL-40 in an elderly background population

    Andreassen, Mikkel, Raymond, I., Hildebrandt, P., Kistorp, C., Rathcke, C., drb459, drb459, Faber, Jens & Kristensen, L. O., 1 Jul 2010, In: Inflammation Research. 59, 7, p. 503-10 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Concentrations of the acute phase reactants high-sensitive C-reactive protein and YKL-40 and of interleukin-6 before and after treatment in patients with acromegaly and growth hormone deficiency

    Andreassen, Mikkel, drb459, drb459 & Kristensen, L. Ø., Dec 2007, In: Clinical Endocrinology. 67, 6, p. 909-16 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published
  17. Published

    The growth hormone/insulin-like growth factor-I system in chronic heart failure and its interaction with adiponectin

    Andreassen, Mikkel, 1 Nov 2010, In: European Journal of Heart Failure. 12, 11, p. 1154-5 2 p.

    Research output: Contribution to journalEditorialResearchpeer-review

  18. Published

    Interferon-beta treatment associated with a biochemical profile suggestive of acromegaly. A case report of a patient treated for multiple sclerosis

    Andreassen, Mikkel, Frystyk, J., Miller, K. K. & Kristensen, L. Ø., 2010, In: Scandinavian Journal of Clinical & Laboratory Investigation. 70, 7, p. 519-522 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Plasma insulin-like growth factor I as predictor of progression and all cause mortality in chronic heart failure

    Andreassen, Mikkel, Kistorp, C., Raymond, I., Hildebrandt, P., Gustafsson, Finn, Kristensen, L. Ø., Faber, Jens, Andreassen, M., Kistorp, C., Raymond, I., Hildebrandt, P., Gustafsson, Finn, Kristensen, L. Ø. & Faber, Jens, 2009, In: Growth Hormone & IGF Research. 19, 6, p. 486-90 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Limited Diagnostic Utility of Chromogranin A Measurements in Workup of Neuroendocrine Tumors

    Baekdal, J., Krogh, J., Klose, M., Holmager, P., Langer, Seppo W., Oturai, P., Kjær, Andreas, Federspiel, B., Hilsted, L., Rehfeld, Jens Frederik, Knigge, U. & Andreassen, Mikkel, 2020, In: Diagnostics. 10, 11, 13 p., 881.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Metabolic effects of dopamine agonists in patients with prolactinomas: a systematic review and meta-analysis

    Byberg, S., Futtrup, J., Andreassen, Mikkel & Krogh, J., Oct 2019, In: Endocrine Connections. 8, 10, p. 1395-1404

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Prospective Phase II Trial of [68Ga]Ga-NODAGA-E[c(RGDyK)]2 PET/CT Imaging of Integrin αvβ3 for Prognostication in Patients with Neuroendocrine Neoplasms

    Carlsen, E. A., Loft, M., Loft, A., Czyzewska, D., Andreassen, Mikkel, Langer, Seppo W., Knigge, Ulrich & Kjær, Andreas, 2023, In: The Journal of Nuclear Medicine. 64, 2, p. 252-259

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    DLL3 expression and clinico-pathological data in 247 patients with NEN

    Clausen, Malene Martini, Federspiel, B., Carstensen, F., Suppli, M. H., Kjær, Andreas, Andreassen, Mikkel, Garbyal, Rajendra Singh, Knigge, Ulrich & Langer, Seppo W., 2022, In: Journal of Neuroendocrinology. 34, S1, p. 104 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  24. Published

    Neuroendocrine neoplasms of the appendix: Characterization of 335 patients referred to the Copenhagen NET Center of Excellence

    Holmager, P., Willemoe, G. L., Nielsen, K., Grøndahl, V., Klose, M., Andreassen, Mikkel, Langer, Seppo W., Hansen, C. P., Kjær, Andreas, Federspiel, B. H. & Knigge, Ulrich, 2021, In: European Journal of Surgical Oncology. 47, 6, p. 1357-1363 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Increase of Ki-67 index and influence on mortality in patients with neuroendocrine neoplasms

    Holmager, P., Langer, Seppo W., Federspiel, B., Willemoe, G. L., Garbyal, Rajendra Singh, Melchior, L., Klose, M., Kjær, Andreas, Hansen, C. P., Andreassen, Mikkel & Knigge, Ulrich, 2021, In: Journal of Neuroendocrinology. 33, 9, 8 p., e13018.

    Research output: Contribution to journalJournal articleResearchpeer-review

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