Mikkel Andreassen

Research output

Research output per year 2007 2010 2019 2021 2022 2023 2024 2024

• 469 Citations
• 35 Journal article
• 6 Review
• 2 Conference abstract for conference
• 2 Conference abstract in journal
• 5 More
  • 1 Ph.D. thesis
  • 1 Book chapter
  • 1 Comment/debate
  • 1 Editorial
  • 1 Letter

Research output per year

Research output per year

Search results

• 2024

  Acromegaly management in the Nordic countries: A Delphi consensus survey

  Arlien-Søborg, M. C., Dal, J., Heck, A., Stochholm, K., Husted, E., Feltoft, C. L., Rasmussen, Å. K., Feldt-Rasmussen, U., Andreassen, M., Klose, M. C., Nielsen, T. L., Andersen, M. S., Christensen, L. L., Krogh, J., Jarlov, A., Bollerslev, J., Nermoen, I., Oksnes, M., Dahlqvist, P., Olsson, T. & 28 others, Berinder, K., Hoybye, C., Petersson, M., Akerman, A. K., Wahlberg, J., Ekman, B., Engstrom, B. E., Johannsson, G., Ragnarsson, O., Olsson, D., Sigurjónsdóttir, H. Á., Fougner, S. L., Matikainen, N., Vehkavaara, S., Metso, S., Jaatinen, P., Hämäläinen, P., Rintamäki, R., Yliaska, I., Immonen, H., Mäkimattila, S., Cederberg-Tamminen, H., Viukari, M., Nevalainen, P., Nuutila, P., Schalin-Jäntti, C., Burman, P. & Jørgensen, J. O. L., 2024, In: Clinical Endocrinology. 101, 3, p. 263-273 11 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access
  1 Citation (Scopus)

• Appendiceal Neuroendocrine Neoplasms: an Update for 2023

  Holmager, P., Langer, S. W., Kjaer, A., Ringholm, L., Garbyal, R. S., Hansen, C. P., Andreassen, M. & Knigge, U., 2024, In: Current Oncology Reports. 26, 2, p. 114-120 7 p.

  Research output: Contribution to journal › Review › Research › peer-review
  3 Citations (Scopus)

• Effects of Peptide Receptor Radiotherapy in Patients with Advanced Paraganglioma and Pheochromocytoma: A Nation-Wide Cohort Study

  Kornerup, L. S., Andreassen, M., Knigge, U., Arveschoug, A. K., Poulsen, P. L., Kjær, A., Oturai, P. S., Grønbæk, H. & Dam, G., Apr 2024, In: Cancers. 16, 7, 1349.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

• Impressive Response to TANDEM Peptide Receptor Radionuclide Therapy with ¹⁷⁷Lu/²²⁵AcDOTA-LM3 Somatostatin Receptor Antagonist in a Patient with Therapy-Refractory, Rapidly Progressive Neuroendocrine Neoplasm of the Pancreas

  Perrone, E., Ghai, K., Eismant, A., Andreassen, M., Langer, S. W., Knigge, U., Kjaer, A. & Baum, R. P., 2024, In: Diagnostics. 14, 9, 7 p., 907.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  5 Downloads (Pure)

• Outlook for 615 Small Intestinal Neuroendocrine Tumor Patients: Recurrence Risk after Surgery and Disease-Specific Survival in Advanced Disease

  Slott, C., Langer, S. W., Møller, S., Krogh, J., Klose, M., Hansen, C. P., Kjaer, A., Holmager, P., Garbyal, R. S., Knigge, U. & Andreassen, M., 2024, In: Cancers. 16, 1, 16 p., 204.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Citations (Scopus)

  14 Downloads (Pure)

• Recurrence Rates and Patterns after Radical Resection of Lung Carcinoids

  Askildsen, E., Soldath, P., Langer, S. W., Andreassen, M., Knigge, U. & Petersen, R. H., 2024, In: Cancers. 16, 17, 10 p., 2978.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Downloads (Pure)

• 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, J., Hansen, C. P., Kjaer, A., Holmager, P., Oturai, P., Garbyal, R. S., Langer, S. W., Knigge, U. & Andreassen, M., 2024, In: Cancers. 16, 6, 16 p., 1190.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  9 Downloads (Pure)
• 2023

  Imaging surveillance in multiple endocrine neoplasia type 1: Ten years of experience with somatostatin receptor positron emission tomography

  Said, M., Krogh, J., Feldt-Rasmussen, U., Rasmussen, Å. K., Kristensen, T. S., Rossing, C. M., Johannesen, H. H., Oturai, P., Holmager, P., Kjaer, A., Klose, M., Langer, S., Knigge, U. & Andreassen, M., 2023, In: Journal of Neuroendocrinology. 35, 8, e13322.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  22 Downloads (Pure)

• Natural History of Non-Functioning Pituitary Adenomas: A Systematic Review and Meta-Analysis

  Rikvold, S. D., Pedersen, M. B., Andreassen, M. & Krogh, J., 2023, In: Hormone and Metabolic Research. 55, 7, p. 443-451 9 p.

  Research output: Contribution to journal › Review › Research › peer-review
  2 Citations (Scopus)

• 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, J. V., Hornum, M., Andreassen, M. & Krogh, J., 2023, In: Clinical Endocrinology. 98, 3, p. 306-314

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Citations (Scopus)

  16 Downloads (Pure)

• Prospective Phase II Trial of [⁶⁸Ga]Ga-NODAGA-E[c(RGDyK)]₂ PET/CT Imaging of Integrin α_vβ₃ for Prognostication in Patients with Neuroendocrine Neoplasms

  Carlsen, E. A., Loft, M., Loft, A., Czyzewska, D., Andreassen, M., Langer, S. W., Knigge, U. & Kjaer, A., 2023, In: The Journal of Nuclear Medicine. 64, 2, p. 252-259

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access
  4 Citations (Scopus)

• Recurrence-Free Survival and Disease-Specific Survival in Patients with Pancreatic Neuroendocrine Neoplasms: A Single-Center Retrospective Study of 413 Patients

  Møller, S., Langer, S. W., Slott, C., Krogh, J., Hansen, C. P., Kjaer, A., Holmager, P., Klose, M., Garbyal, R. S., Knigge, U. & Andreassen, M., 2023, In: Cancers. 16, 1, 14 p., 100.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  10 Downloads (Pure)

• Treatment of inoperable large cell neuroendocrine lung cancer with single agent temozolomide

  Ørting, A. M., Clausen, M. M., Soldath, P., Petersen, R. H., Knigge, U., Andreassen, M., Kjær, A. & Langer, S. W., 2023, In: Acta Oncologica. 62, 12, p. 1952-1955 4 p.

  Research output: Contribution to journal › Comment/debate › Research › peer-review
• 2022

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

  Clausen, M. M., Federspiel, B., Carstensen, F., Suppli, M. H., Kjaer, A., Andreassen, M., Garbyal, R. S., Knigge, U. & Langer, S. W., 2022, In: Journal of Neuroendocrinology. 34, S1, p. 104 1 p.

  Research output: Contribution to journal › Conference abstract in journal › Research

  Open Access
  1 Citation (Scopus)

• Endocrine Function after Transsphenoidal Surgery in Patients with Non-Functioning Pituitary Adenomas: A Systematic Review and Meta-Analysis

  Pedersen, M. B., Dukanovic, S., Springborg, J. B., Andreassen, M. & Krogh, J., 2022, In: Neuroendocrinology. 112, 9, p. 823-834

  Research output: Contribution to journal › Review › Research › peer-review
  5 Citations (Scopus)

• Prognostic value of contralateral suppression for remission after surgery in patients with primary aldosteronism

  Mørup, S., Voss, N., Feltoft, C. L., Andreassen, M. & Krogh, J., 2022, In: Clinical Endocrinology. 96, 6, p. 793-802 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Citations (Scopus)

  17 Downloads (Pure)

• Radiofrekvensablation af insulinomer i pancreas

  Translated title of the contribution: Radiofrequency ablation of pancreatic insulinomasJansen, C., Vilmann, P., Brink, L., Andreassen, M., Knigge, U., Hansen, C. P. & Kovacevic, B., 2022, In: Ugeskrift for Laeger. 184, 46, 7 p., V06220416.

  Research output: Contribution to journal › Review › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  15 Downloads (Pure)

• Surgery in Patients with Gastro-Entero-Pancreatic Neuroendocrine Carcinomas, Neuroendocrine Tumors G3 and High Grade Mixed Neuroendocrine-Non-Neuroendocrine Neoplasms

  Holmager, P., Langer, S. W., Kjaer, A., Ringholm, L., Garbyal, R. S., Pommergaard, H-C., Hansen, C. P., Federspiel, B., Andreassen, M. & Knigge, U., 2022, In: Current Treatment Options in Oncology. 23, 6, p. 806-817 12 p.

  Research output: Contribution to journal › Review › Research › peer-review
  17 Citations (Scopus)

• Variation in serum adrenal hormones in female 21-hydroxylase deficient patients

  Sørensen, D. S. D., Krogh, J., Rasmussen, Å. K. & Andreassen, M., 2022, In: Endocrine Connections. 11, 7, e220143.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  13 Downloads (Pure)
• 2021

  A short report of 50 patients with gastroenteropancreatic mixed neuroendocrine–non-neuroendocrine neoplasms (MiNEN)

  Laenkholm, I. T., Langer, S. W., Andreassen, M., Holmager, P., Kjaer, A., Klose, M., Federspiel, B. H., Hansen, C. P. & Knigge, U., 2021, In: Acta Oncologica. 60, 6, p. 808-812

  Research output: Contribution to journal › Letter › Research › peer-review
  7 Citations (Scopus)

• Incidence, clinical presentation and trends in indication for diagnostic work-up of small intestinal and pancreatic neuroendocrine tumors

  Stensbøl, A. B., Krogh, J., Holmager, P., Klose, M., Oturai, P., Kjaer, A., Hansen, C. P., Federspiel, B., Langer, S. W., Knigge, U. & Andreassen, M., 2021, In: Diagnostics. 11, 11, 2030.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  16 Citations (Scopus)

  16 Downloads (Pure)

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

  Holmager, P., Langer, S. W., Federspiel, B., Willemoe, G. L., Garbyal, R. S., Melchior, L., Klose, M., Kjaer, A., Hansen, C. P., Andreassen, M. & Knigge, U., 2021, In: Journal of Neuroendocrinology. 33, 9, 8 p., e13018.

  Research output: Contribution to journal › Journal article › Research › peer-review
  7 Citations (Scopus)

• Metabolic and hormonal side effects of mitotane treatment for adrenocortical carcinoma: A retrospective study in 50 Danish patients

  Vikner, M. E., Krogh, J., Daugaard, G. & Andreassen, M., 2021, In: Clinical Endocrinology. 94, 2, p. 141-149

  Research output: Contribution to journal › Journal article › Research › peer-review

• 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, M., Langer, S. W., Hansen, C. P., Kjær, A., Federspiel, B. H. & Knigge, U., 2021, In: European Journal of Surgical Oncology. 47, 6, p. 1357-1363 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  23 Citations (Scopus)

• Pituitary function after transsphenoidal surgery including measurement of basal morning cortisol as predictor of adrenal insufficiency

  Staby, I., Krogh, J., Klose, M., Baekdal, J., Feldt-Rasmussen, U., Poulsgaard, L., Springborg, J. B. & Andreassen, M., 2021, In: Endocrine Connections. 10, 7, p. 750-757 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  10 Citations (Scopus)

  52 Downloads (Pure)

• 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, M. & Krogh, J., 2021, In: Diabetes, Obesity and Metabolism. 23, 1, p. 58-67

  Research output: Contribution to journal › Review › Research › peer-review
  20 Citations (Scopus)
• 2020

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

  Baekdal, J., Krogh, J., Klose, M., Holmager, P., Langer, S. W., Oturai, P., Kjaer, A., Federspiel, B., Hilsted, L., Rehfeld, J. F., Knigge, U. & Andreassen, M., 2020, In: Diagnostics. 10, 11, 13 p., 881.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  6 Citations (Scopus)

  28 Downloads (Pure)

• Semen quality in hypogonadal acromegalic patients

  Andreassen, M., Juul, A., Feldt-Rasmussen, U. & Jørgensen, N., 2020, In: Pituitary. 23, p. 160-166

  Research output: Contribution to journal › Journal article › Research › peer-review
  9 Citations (Scopus)
• 2019

  Gastroenteropancreatic (GEP) Mixed Neuroendocrine-Non-Endocrine Neoplasms (MiNEN)

  Laenkholm, I. T., Langer, S. W., Andreassen, M., Holmager, P., Hansen, C. P., Kjaer, A., Federspiel, B. & Knigge, U., 2019, p. 244-244. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  16 Citations (Scopus)

  76 Downloads (Pure)

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review
  31 Citations (Scopus)

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

  Andreassen, M., Ilett, E., Wiese, D., Slater, EP., Klose, M., Hansen, CP., Gercke, N., Langer, SW., Kjaer, A., Maurer, E., Federspiel, B., Kann, PH., Bartsch, DK. & Knigge, U., 2019, In: Journal of Clinical Endocrinology and Metabolism. p. 6129–6138

  Research output: Contribution to journal › Journal article › Research › peer-review
• 2018

  Immunohistochemical Profiles in 81 Patients with Resected Insulinomas

  Andreassen, M., Ilett, E., Slater, E. P., Wiese, D., Hansen, C. P., Gehrke, N., Langer, S. W., Kjaer, A., Maurer, E., Federspiel, B., Bartsch, D. K. & Knigge, U., 2018, p. 136-136. 1 p.

  Research output: Contribution to conference › Conference abstract for conference › Research

• Pancreatic Islet Cell Tumors

  Knigge, U., Andreassen, M., Federspiel, B., Hansen, C. P., Kjær, A. & Langer, S. W., 2018, Encyclopedia of Endocrine Diseases. Huhtaniemi, I. & Martini, L. (eds.). 2. ed. Elsevier, p. 626-634

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

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

  Andreassen, M., Juul, A., Feldt-Rasmussen, U. & Jørgensen, N., 2018, In: Endocrine Connections. 7, 4, p. 523-533 11 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  9 Citations (Scopus)

  95 Downloads (Pure)
• 2017

  Feasibility and Implication of Routine NGS Analysis in Neuroendocrine Carcinomas

  Knigge, U., Federspiel, B., Andreassen, M., Kjaer, A. & Langer, S. W., 2017, In: Neuroendocrinology. 105, S1, p. 26-26 1 p.

  Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  Open Access
  1 Citation (Scopus)
• 2015

  Treatment of subclinical hyperthyroidism: effect on left ventricular mass and function of the heart using magnetic resonance imaging technique

  Mark, P. D., Andreassen, M., Petersen, C. L., Kjaer, A. & Faber, J., 2015, In: Endocrine Connections. 4, 1, p. 37-42 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access
• 2014

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

  Andreassen, M., 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
  9 Citations (Scopus)
• 2013

  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, M., Frystyk, J., Faber, J., Kristensen, L. Ø. & Juul, A., 2013, In: Andrology. 1, 4, p. 595-601 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  19 Citations (Scopus)
• 2011

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

  Andreassen, M., Faber, J. O., Kjær, A., Petersen, C. L., Kristensen, L. Ø. & Kjær, A., 1 Mar 2011, In: Pituitary. 14, 1, p. 1-10 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  22 Citations (Scopus)
• 2010

  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, M., Raymond, I., Hildebrandt, P., Kistorp, C., Rathcke, C., Vestergaard, H., Faber, J. & 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
  11 Citations (Scopus)

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review
  19 Citations (Scopus)

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

  Andreassen, M., 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

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

  Andreassen, M., 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
  5 Citations (Scopus)

• The Growth hormone system and cardiac function in patients with growth hormone disturbances and in the normal population

  Andreassen, M., 2010

  Research output: Book/Report › Ph.D. thesis › Research
• 2009

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

  Andreassen, M., Nielsen, K., Raymond, I., Kristensen, L. Ø., Faber, J., Andreassen, M., Nielsen, K. R., Raymond, I., Kristensen, L. Ø. & Faber, J., 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
  12 Citations (Scopus)

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

  Andreassen, M., Raymond, I., Kistorp, C., Hildebrandt, P., Faber, J., Kristensen, L. Ø., Andreassen, M., Raymond, I., Kistorp, C., Hildebrandt, P., Faber, J. & 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
  105 Citations (Scopus)

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

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

  Research output: Contribution to journal › Journal article › Research › peer-review
  31 Citations (Scopus)
• 2007

  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, M., Vestergaard, H. & 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
  22 Citations (Scopus)

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

  Andreassen, M., Faber, J., Vestergaard, H., Kistorp, C. & 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
  16 Citations (Scopus)