Andreas Høeg Clemmensen

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• 2025

  First-in-Human: Simultaneous Hyperpolarized 1-¹³C-Pyruvate Magnetic Resonance Spectroscopy and ¹⁸F-FDG PET (hyperPET) Imaging of a Patient With Lymphoma

  Loft, M., Clemmensen, A., Christensen, E. N., Denholt, C. L., Johannesen, H. H., Gillings, N., Carlsen, E. A., Clausen, M. M., Hutchings, M., Andersen, T. L., Ardenkjær-Larsen, J. H. & Kjaer, A., 2025, In: Clinical Nuclear Medicine. 50, 2, p. 186-187

  Research output: Contribution to journal › Letter › Research › peer-review
• 2024

  3D whole body preclinical micro-CT database of subcutaneous tumors in mice with annotations from 3 annotators

  Jensen, M., Clemmensen, A., Hansen, J. G., van Krimpen Mortensen, J., Christensen, E. N., Kjaer, A. & Ripa, R. S., 2024, In: Scientific Data. 11, 1, 8 p., 1021.

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• 82Rb-PET is feasible in rodent AMI model after positron range correction

  Madsen, J., Bentsen, S., Jensen, M., Clemmensen, A. H., Ripa, R. S. & Akjaer, A., 2024, In: Cardiovascular Research. 120, Supplement_1, 2 p.

  Research output: Contribution to journal › Conference abstract in journal › Research
• 2023

  [⁶⁸Ga]Ga-NODAGA-E[(cRGDyK)]₂ angiogenesis PET following myocardial infarction in an experimental rat model predicts cardiac functional parameters and development of heart failure

  Bentsen, S., Jensen, J. K., Christensen, E., Petersen, L. R., Grandjean, C. E., Follin, B., Madsen, J. S., Christensen, C., Clemmensen, A., Binderup, T., Hasbak, P., Ripa, R. S. & Kjaer, A., 2023, In: Journal of Nuclear Cardiology. 30, 5, p. 2073 - 2084

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

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  5 Citations (Scopus)

  15 Downloads (Pure)

• Editorial for “Application of 3D Multi-Echo Balanced Steady State Free Precession and Hyperpolarized [1-¹³C] Pyruvate to Quantify Prostate Cancer Metabolism”

  Clemmensen, A., Loft, M., Kjaer, A. & Andersen, T. L., 2023, In: Journal of Magnetic Resonance Imaging. 57, 6, p. 1876-1877 2 p.

  Research output: Contribution to journal › Editorial › Research › peer-review
• 2022

  Feasibility of positron range correction in 82-Rubidium cardiac PET/CT

  Jensen, M., Bentsen, S., Clemmensen, A., Jensen, J. K., Madsen, J., Rossing, J., Laier, A., Hasbak, P., Kjaer, A. & Ripa, R. S., 2022, In: EJNMMI Physics. 9, 1, 18 p., 51.

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  2 Citations (Scopus)

  17 Downloads (Pure)
• 2021

  [⁶⁸Ga]Ga-NODAGA-E[(cRGDyK)]₂ Angiogenesis PET/MR in a Porcine Model of Chronic Myocardial Infarction

  Bentsen, S., Clemmensen, A., Loft, M., Flethøj, M., Debes, K. P., Ludvigsen, T. P., Larsen, C. B., Kirchhoff, J., Olsen, L. H., Møller, J. E., Andersen, T. L., Johannesen, H. H., Jespersen, T. & Kjaer, A., 2021, In: Diagnostics. 11, 10, 1807.

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

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  6 Citations (Scopus)

  39 Downloads (Pure)

• [⁶⁸Ga]Ga-NODAGA-E[(cRGDyK)]₂ PET and hyperpolarized [1-¹³C] pyruvate MRSI (hyperPET) in canine cancer patients: simultaneous imaging of angiogenesis and the Warburg effect

  Clemmensen, A., Hansen, A. E., Holst, P., Schøier, C., Bisgaard, S., Johannesen, H. H., Ardenkjær-Larsen, J. H., Kristensen, A. T. & Kjaer, A., 2021, In: European Journal of Nuclear Medicine and Molecular Imaging. 48, p. 395–405

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  8 Citations (Scopus)

  158 Downloads (Pure)
• 2020

  Effects of high-intensity exercise training on adipose tissue mass, glucose uptake and protein content in pre- and post-menopausal women

  Mandrup, C. M., Roland, C. B., Egelund, J., Nyberg, M., Enevoldsen, L. H., Kjær, A., Clemmensen, A., Christensen, A. N., Suetta, C., Frikke-Schmidt, R., Utoft, B. B., Kristensen, J. M., Wojtaszewski, J., Hellsten, Y. & Stallknecht, B., 2020, In: Frontiers in Sports and Active Living. 2, 13 p., 60.

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• 2019

  Rubidium-82 PET imaging is feasible in a rat myocardial infarction model

  Ghotbi, A. A., Clemmensen, A., Kyhl, K., Follin, B., Hasbak, P., Engstrøm, T., Ripa, R. S. & Kjaer, A., 2019, In: Journal of Nuclear Cardiology. 26, p. 798–809

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  12 Citations (Scopus)

  149 Downloads (Pure)
• 2018

  Combined hyperpolarized C-13-pyruvate MRS and F-18-FDG PET (hyperPET) estimates of glycolysis in canine cancer patients

  Hansen, A. E., Gutte, H., Holst, P., Johannesen, H. H., Rahbek, S., Clemmensen, A. E., Larsen, M. M. E., Schoier, C., Ardenkjaer-Larsen, J., Klausen, T. L., Kristensen, A. T. & Kjaer, A., 2018, In: European Journal of Radiology. 103, p. 6-12

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

• Effects of menopause and high-intensity training on insulin sensitivity and muscle metabolism

  Mandrup, C. M., Egelund, J., Nyberg, M. P., Enevoldsen, L. H., Kjær, A., Clemmensen, A. E., Nymark Christensen, A., Suetta, C., Frikke-Schmidt, R., Enggaard Steenberg, D., Wojtaszewski, J., Hellsten, Y. & Stallknecht, B. M., 2018, In: Menopause . 25, 2, p. 165-175 11 p.

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

• Liposome accumulation in irradiated tumors display important tumor and dose dependent differences

  Hansen, A. E., Fliedner, F. P., Henriksen, J. R., Jørgensen, J. T., Clemmensen, A. E., Børresen, B., Elema, D. R., Kjær, A. & Andresen, T. L., 2018, In: Nanomedicine: Nanotechnology, Biology and Medicine. 14, 1, p. 27-34

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

• Retention and Functional Effect of Adipose-Derived Stromal Cells Administered in Alginate Hydrogel in a Rat Model of Acute Myocardial Infarction

  Follin, B., Ghotbi, A. A., Clemmensen, A. E., Bentsen, S., Juhl, M., Søndergaard, R. H., Lund, L. D., Haack-Sørensen, M., Hasbak, P., Cohen, S., Ripa, R. S., Kastrup, J., Ekblond, A. & Kjær, A., 2018, In: Stem Cells International. 2018, 13 p., 7821461.

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  15 Citations (Scopus)

  162 Downloads (Pure)
• 2017

  Perfusion imaging using rubidium-82 ((82)Rb) PET in rats with myocardial infarction: First small animal cardiac (82)Rb-PET

  Clemmensen, A. E., Ghotbi, A. A., Bodholdt, R. P., Hag, A. M. F., Hasbak, P., Ripa, R. S. & Kjaer, A., Feb 2017, In: Journal of Nuclear Cardiology. 24, 2, p. 750-752 3 p.

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

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  8 Citations (Scopus)

  394 Downloads (Pure)

• Simultaneous imaging of hyperpolarized [1,4-13 C2 ]fumarate, [1-13 C]pyruvate and 18 F-FDG in a rat model of necrosis in a clinical PET/MR scanner

  Eldirdiri, A., Clemmensen, A., Bowen, S., Kjaer, A. & Ardenkjaer-Larsen, J. H., Dec 2017, In: N M R in Biomedicine. 30, 12, 9 p., e3803.

  Research output: Contribution to journal › Journal article › Research › peer-review
  14 Citations (Scopus)
• 2015

  ⁶⁴Cu-DOTATATE PET/MRI for detection of activated macrophages in carotid atherosclerotic plaques: studies in patients undergoing endarterectomy

  Pedersen, S. F., Sandholt, B. V., Keller, S. H., Hansen, A. E., Clemmensen, A. E., Sillesen, H., Højgaard, L., Ripa, R. S. & Kjær, A., Jul 2015, In: Arteriosclerosis, Thrombosis, and Vascular Biology. 35, 7, p. 1696-1703 8 p.

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

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  102 Citations (Scopus)

• Micro regional heterogeneity of ⁶⁴Cu-ATSM and ¹⁸F-FDG uptake in canine soft tissue sarcomas: relation to cell proliferation, hypoxia and glycolysis

  Zornhagen, K. W., Hansen, A. E., Oxbøl, J., Clemmensen, A. E., El Ali, H. H., Kristensen, A. T. & Kjær, A., 26 Oct 2015, In: PloS one. 10, 10, 25 p., e0141379.

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  4 Citations (Scopus)

  331 Downloads (Pure)

• Simultaneous hyperpolarized ¹³C-pyruvate MRI and ¹⁸F-FDG-PET in cancer (hyperPET): feasibility of a new imaging concept using a clinical PET/MRI scanner

  Borgwardt, H. G., Hansen, A. E., Henriksen, S. T., Johannesen, H. H., Ardenkjær-Larsen, J. H., Vignaud, A., Hansen, A. E., Børresen, B., Klausen, T. L., Wittekind, A-M. N., Gillings, N., Kristensen, A. T., Clemmensen, A. E., Højgaard, L. & Kjær, A., Jan 2015, In: American Journal of Nuclear Medicine and Molecular Imaging. 5, 1, p. 38-45 8 p.

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• The use of dynamic nuclear polarization ¹³C-pyruvate MRS in cancer

  Borgwardt, H. G., Espe Hansen, A., Hjort Johannesen, H., Clemmensen, A. E., Ardenkjær-Larsen, J. H., Haagen Nielsen, C. & Kjær, A., 2015, In: American Journal of Nuclear Medicine and Molecular Imaging. 5, 5, p. 548-560 13 p.

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

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