Mikkel Andreassen
Clinical Associate Professor
Department of Clinical Medicine
Blegdamsvej 3
2200 København N.
Member of:
Internal Medicine: Endocrinology
- 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. 58-67Research output: Contribution to journal › Review › Research › peer-review
- 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. 6129–6138Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 conference › Conference abstract for conference › Research
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Semen quality in hypogonadal acromegalic patients
Andreassen, Mikkel, Juul, Anders, Feldt-Rasmussen, Ulla & Jørgensen, N., 2020, In: Pituitary. 23, p. 160-166Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 6129-6138Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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The Growth hormone system and cardiac function in patients with growth hormone disturbances and in the normal population
Andreassen, Mikkel, 2010Research output: Book/Report › Ph.D. thesis › Research
- 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 journal › Editorial › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 1395-1404Research output: Contribution to journal › Journal article › Research › peer-review
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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. 252-259Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Conference abstract in journal › Research
- 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 journal › Journal article › Research › peer-review
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Surgery in Patients with Gastro-Entero-Pancreatic Neuroendocrine Carcinomas, Neuroendocrine Tumors G3 and High Grade Mixed Neuroendocrine-Non-Neuroendocrine Neoplasms
Holmager, P., Langer, Seppo W., Kjær, Andreas, Ringholm, L., Garbyal, Rajendra Singh, Pommergaard, Hans-Christian L, Hansen, C. P., Federspiel, B., Andreassen, Mikkel & Knigge, Ulrich, 2022, In: Current Treatment Options in Oncology. 23, 6, p. 806-817 12 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
Appendiceal Neuroendocrine Neoplasms: an Update for 2023
Holmager, P., Langer, Seppo W., Kjær, Andreas, Ringholm, Lene, Garbyal, Rajendra Singh, Hansen, C. P., Andreassen, Mikkel & Knigge, Ulrich, 2024, In: Current Oncology Reports. 26, 2, p. 114-120 7 p.Research output: Contribution to journal › Review › Research › peer-review
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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 journal › Journal article › Research › peer-review
- Published
Radiofrekvensablation af insulinomer i pancreas
Jansen, C., Vilmann, Peter, Brink, L., Andreassen, Mikkel, Knigge, Ulrich, Hansen, C. P. & Kovacevic, B., 2022, In: Ugeskrift for Laeger. 184, 46, 7 p., V06220416.Research output: Contribution to journal › Review › Research › peer-review
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Feasibility and Implication of Routine NGS Analysis in Neuroendocrine Carcinomas
Knigge, Ulrich, Federspiel, B., Andreassen, Mikkel, Kjær, Andreas & Langer, Seppo W., 2017, In: Neuroendocrinology. 105, S1, p. 26-26 1 p.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Pancreatic Islet Cell Tumors
Knigge, Ulrich, Andreassen, Mikkel, Federspiel, B., Hansen, C. P., Kjær, Andreas & Langer, S. W., 2018, Encyclopedia of Endocrine Diseases. Huhtaniemi, I. & Martini, L. (eds.). 2. ed. Elsevier, p. 626-634Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Gastroenteropancreatic (GEP) Mixed Neuroendocrine-Non-Endocrine Neoplasms (MiNEN)
Laenkholm, I. T., Langer, Seppo W., Andreassen, Mikkel, Holmager, P., Hansen, C. P., Kjær, Andreas, Federspiel, B. & Knigge, Ulrich, 2019, p. 244-244. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
- Published
A short report of 50 patients with gastroenteropancreatic mixed neuroendocrine–non-neuroendocrine neoplasms (MiNEN)
Laenkholm, I. T., Langer, Seppo W., Andreassen, Mikkel, Holmager, P., Kjær, Andreas, Klose, M., Federspiel, B. H., Hansen, C. P. & Knigge, Ulrich, 2021, In: Acta Oncologica. 60, 6, p. 808-812Research output: Contribution to journal › Letter › Research › peer-review
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Treatment of subclinical hyperthyroidism: effect on left ventricular mass and function of the heart using magnetic resonance imaging technique
Mark, P. D., Andreassen, Mikkel, Petersen, C. L., Kjær, Andreas & Faber, Jens, 2015, In: Endocrine Connections. 4, 1, p. 37-42 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Recurrence-Free Survival and Disease-Specific Survival in Patients with Pancreatic Neuroendocrine Neoplasms: A Single-Center Retrospective Study of 413 Patients
Møller, S., Langer, Seppo W., Slott, C., Krogh, Jesper, Hansen, C. P., Kjær, Andreas, Holmager, P., Klose, M., Garbyal, Rajendra Singh, Knigge, Ulrich & Andreassen, Mikkel, 2023, In: Cancers. 16, 1, 14 p., 100.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prognostic value of contralateral suppression for remission after surgery in patients with primary aldosteronism
Mørup, S., Voss, N., Feltoft, C. L., Andreassen, Mikkel & Krogh, Jesper, 2022, In: Clinical Endocrinology. 96, 6, p. 793-802 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Endocrine Function after Transsphenoidal Surgery in Patients with Non-Functioning Pituitary Adenomas: A Systematic Review and Meta-Analysis
Pedersen, M. B., Dukanovic, S., Springborg, Jacob Bertram, Andreassen, Mikkel & Krogh, Jesper, 2022, In: Neuroendocrinology. 112, 9, p. 823-834Research output: Contribution to journal › Review › Research › peer-review
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Responses to Medical Treatment in 192 Patients with Pancreatic Neuroendocrine Neoplasms Referred to the Copenhagen Neuroendocrine Tumour Centre in 2000–2020
Petersen, S. S., Møller, S., Slott, C., Krogh, Jesper, Hansen, C. P., Kjær, Andreas, Holmager, P., Oturai, P., Garbyal, Rajendra Singh, Langer, Seppo W., Knigge, Ulrich & Andreassen, Mikkel, 2024, In: Cancers. 16, 6, 16 p., 1190.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Natural History of Non-Functioning Pituitary Adenomas: A Systematic Review and Meta-Analysis
Rikvold, S. D., Pedersen, M. B., Andreassen, Mikkel & Krogh, Jesper, 2023, In: Hormone and Metabolic Research. 55, 7, p. 443-451 9 p.Research output: Contribution to journal › Review › Research › peer-review
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Imaging surveillance in multiple endocrine neoplasia type 1: Ten years of experience with somatostatin receptor positron emission tomography
Said, M., Krogh, Jesper, Feldt-Rasmussen, Ulla, Rasmussen, Å. K., zwp671, zwp671, Rossing, Caroline Maria, Johannesen, Helle Hjorth, Oturai, P., Holmager, P., Kjær, Andreas, Klose, M., Langer, Seppo W., Knigge, Ulrich & Andreassen, Mikkel, 2023, In: Journal of Neuroendocrinology. 35, 8, e13322.Research output: Contribution to journal › Journal article › Research › peer-review
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Outlook for 615 Small Intestinal Neuroendocrine Tumor Patients: Recurrence Risk after Surgery and Disease-Specific Survival in Advanced Disease
Slott, C., Langer, Seppo W., Møller, S., Krogh, Jesper, Klose, M., Hansen, C. P., Kjær, Andreas, Holmager, P., Garbyal, Rajendra Singh, Knigge, Ulrich & Andreassen, Mikkel, 2024, In: Cancers. 16, 1, 16 p., 204.Research output: Contribution to journal › Journal article › Research › peer-review
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Pituitary function after transsphenoidal surgery including measurement of basal morning cortisol as predictor of adrenal insufficiency
Staby, I., Krogh, Jesper, Klose, M., Baekdal, J., Feldt-Rasmussen, Ulla, Poulsgaard, L., Springborg, Jacob Bertram & Andreassen, Mikkel, 2021, In: Endocrine Connections. 10, 7, p. 750-757 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Incidence, clinical presentation and trends in indication for diagnostic work-up of small intestinal and pancreatic neuroendocrine tumors
Stensbøl, A. B., Krogh, Jesper, Holmager, P., Klose, M., Oturai, P., Kjær, Andreas, Hansen, C. P., Federspiel, B., Langer, Seppo W., Knigge, Ulrich & Andreassen, Mikkel, 2021, In: Diagnostics. 11, 11, 2030.Research output: Contribution to journal › Journal article › Research › peer-review
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Variation in serum adrenal hormones in female 21-hydroxylase deficient patients
Sørensen, D. S. D., Krogh, Jesper, Rasmussen, Å. K. & Andreassen, Mikkel, 2022, In: Endocrine Connections. 11, 7, e220143.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Metabolic and hormonal side effects of mitotane treatment for adrenocortical carcinoma: A retrospective study in 50 Danish patients
Vikner, M. E., Krogh, Jesper, Daugaard, G. & Andreassen, Mikkel, 2021, In: Clinical Endocrinology. 94, 2, p. 141-149Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prognostic value of contralateral suppression on kidney function after surgery in patients with primary aldosteronism
Voss, N., Mørup, S., Clausen, C., Feltoft, C. L., Jepsen, Jan Viberg, Hornum, Mads, Andreassen, Mikkel & Krogh, Jesper, 2023, In: Clinical Endocrinology. 98, 3, p. 306-314Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Treatment of inoperable large cell neuroendocrine lung cancer with single agent temozolomide
Ørting, A. M., Clausen, M. M., Soldath, Patrick, Petersen, René Horsleben, Knigge, Ulrich, Andreassen, Mikkel, Kjær, Andreas & Langer, Seppo W., 2023, In: Acta Oncologica. 62, 12, p. 1952-1955 4 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
ID: 10930283
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Semen quality in patients with pituitary disease and adult-onset hypogonadotropic hypogonadism
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
65
downloads
Metabolic effects of dopamine agonists in patients with prolactinomas: a systematic review and meta-analysis
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
41
downloads
Pituitary function after transsphenoidal surgery including measurement of basal morning cortisol as predictor of adrenal insufficiency
Research output: Contribution to journal › Journal article › Research › peer-review
Published