Noninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG
Betina Børresen,1 Anders Elias Hansen,2,3 Frederikke Petrine Fliedner,2 Jonas Rosager Henriksen,3 Dennis Ringkjøbing Elema,3,4 Malene Brandt-Larsen,5 Lotte Kellemann Kristensen,2– 6 Annemarie Thuri Kristensen,1– 6 Thomas Lars Andresen,3 Andreas Kjæ...
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Dove Medical Press
2020
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oai:doaj.org-article:8f5d2a79b6c5463abbcc5f3b65bf21ef2021-12-02T15:16:52ZNoninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG1178-2013https://doaj.org/article/8f5d2a79b6c5463abbcc5f3b65bf21ef2020-11-01T00:00:00Zhttps://www.dovepress.com/noninvasive-molecular-imaging-of-the-enhanced-permeability-and-retenti-peer-reviewed-article-IJNhttps://doaj.org/toc/1178-2013Betina Børresen,1 Anders Elias Hansen,2,3 Frederikke Petrine Fliedner,2 Jonas Rosager Henriksen,3 Dennis Ringkjøbing Elema,3,4 Malene Brandt-Larsen,5 Lotte Kellemann Kristensen,2– 6 Annemarie Thuri Kristensen,1– 6 Thomas Lars Andresen,3 Andreas Kjær2,5 1Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C 1870, Denmark; 2Cluster for Molecular Imaging, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen N 2200, Denmark; 3DTU Health Technology, Center for Nanomedicine and Theranostics, Technical University of Denmark, Lyngby, Kgs 2800, Denmark; 4DTU Health Technology, The Hevesy Laboratory, Center for Nuclear Technologies, Technical University of Denmark, Roskilde, 4000, Denmark; 5Department of Clinical Physiology, Nuclear Medicine and PET, Copenhagen University Hospital, Copenhagen Ø 2100, Denmark; 6Minerva Imaging, Copenhagen N 2200, DenmarkCorrespondence: Andreas KjærCluster for Molecular Imaging, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N 2200, DenmarkTel +45 35 32 75 04Fax +45 35 32 75 46Email akjaer@sund.ku.dkBackground: The accumulation of liposome encapsulated chemotherapy in solid cancers is dependent on the presence of the enhanced permeability and retention (EPR) effect. Positron emission tomography (PET) imaging with a liposome encapsulated radioisotope, such as liposome encapsulated Cu-64 (64Cu-liposome) may help to identify tumors with high liposome accumulation, and thereby stratify patients based on expected benefit from liposomal chemotherapy. However, intravenous administration of liposomes without a cytotoxic content is complicated by the accelerated blood clearance (ABC) phenomenon for succeeding therapeutic liposome dosing. Alternative markers for assessing the tumor’s EPR level are therefore warranted.Materials and Methods: To increase our understanding of EPR variations and to ultimately identify an alternative marker for the EPR effect, we investigated the correlation between 64Cu-liposome PET/CT (EPR effect) and 68Ga-RGD PET/CT (neoangiogenesis), 18F-FDG PET/CT (glycolysis), diffusion-weighted MRI (diffusivity) and interstitial fluid pressure in two experimental cancer models (CT26 and COLO 205).Results: 64Cu-liposome and 68Ga-RGD SUVmax displayed a significant moderate correlation, however, none of the other parameters evaluated displayed significant correlations. These results indicate that differences in neoangiogenesis may explain some EPR variability, however, as correlations were only moderate and not observed for SUVmean, 68Ga-RGD is probably insufficient to serve as a stand-alone surrogate marker for quantifying the EPR effect and stratifying patients.Keywords: EPR effect, liposome, positron emission tomography, neoangiogenesisBørresen BHansen AEFliedner FPHenriksen JRElema DRBrandt-Larsen MKristensen LKKristensen ATAndresen TLKjær ADove Medical Pressarticleepr effectliposomepositron emission tomographyneoangiogenesisMedicine (General)R5-920ENInternational Journal of Nanomedicine, Vol Volume 15, Pp 8571-8581 (2020) |
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epr effect liposome positron emission tomography neoangiogenesis Medicine (General) R5-920 |
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epr effect liposome positron emission tomography neoangiogenesis Medicine (General) R5-920 Børresen B Hansen AE Fliedner FP Henriksen JR Elema DR Brandt-Larsen M Kristensen LK Kristensen AT Andresen TL Kjær A Noninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG |
| description |
Betina Børresen,1 Anders Elias Hansen,2,3 Frederikke Petrine Fliedner,2 Jonas Rosager Henriksen,3 Dennis Ringkjøbing Elema,3,4 Malene Brandt-Larsen,5 Lotte Kellemann Kristensen,2– 6 Annemarie Thuri Kristensen,1– 6 Thomas Lars Andresen,3 Andreas Kjær2,5 1Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C 1870, Denmark; 2Cluster for Molecular Imaging, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen N 2200, Denmark; 3DTU Health Technology, Center for Nanomedicine and Theranostics, Technical University of Denmark, Lyngby, Kgs 2800, Denmark; 4DTU Health Technology, The Hevesy Laboratory, Center for Nuclear Technologies, Technical University of Denmark, Roskilde, 4000, Denmark; 5Department of Clinical Physiology, Nuclear Medicine and PET, Copenhagen University Hospital, Copenhagen Ø 2100, Denmark; 6Minerva Imaging, Copenhagen N 2200, DenmarkCorrespondence: Andreas KjærCluster for Molecular Imaging, Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3, Copenhagen N 2200, DenmarkTel +45 35 32 75 04Fax +45 35 32 75 46Email akjaer@sund.ku.dkBackground: The accumulation of liposome encapsulated chemotherapy in solid cancers is dependent on the presence of the enhanced permeability and retention (EPR) effect. Positron emission tomography (PET) imaging with a liposome encapsulated radioisotope, such as liposome encapsulated Cu-64 (64Cu-liposome) may help to identify tumors with high liposome accumulation, and thereby stratify patients based on expected benefit from liposomal chemotherapy. However, intravenous administration of liposomes without a cytotoxic content is complicated by the accelerated blood clearance (ABC) phenomenon for succeeding therapeutic liposome dosing. Alternative markers for assessing the tumor’s EPR level are therefore warranted.Materials and Methods: To increase our understanding of EPR variations and to ultimately identify an alternative marker for the EPR effect, we investigated the correlation between 64Cu-liposome PET/CT (EPR effect) and 68Ga-RGD PET/CT (neoangiogenesis), 18F-FDG PET/CT (glycolysis), diffusion-weighted MRI (diffusivity) and interstitial fluid pressure in two experimental cancer models (CT26 and COLO 205).Results: 64Cu-liposome and 68Ga-RGD SUVmax displayed a significant moderate correlation, however, none of the other parameters evaluated displayed significant correlations. These results indicate that differences in neoangiogenesis may explain some EPR variability, however, as correlations were only moderate and not observed for SUVmean, 68Ga-RGD is probably insufficient to serve as a stand-alone surrogate marker for quantifying the EPR effect and stratifying patients.Keywords: EPR effect, liposome, positron emission tomography, neoangiogenesis |
| format |
article |
| author |
Børresen B Hansen AE Fliedner FP Henriksen JR Elema DR Brandt-Larsen M Kristensen LK Kristensen AT Andresen TL Kjær A |
| author_facet |
Børresen B Hansen AE Fliedner FP Henriksen JR Elema DR Brandt-Larsen M Kristensen LK Kristensen AT Andresen TL Kjær A |
| author_sort |
Børresen B |
| title |
Noninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG |
| title_short |
Noninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG |
| title_full |
Noninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG |
| title_fullStr |
Noninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG |
| title_full_unstemmed |
Noninvasive Molecular Imaging of the Enhanced Permeability and Retention Effect by 64Cu-Liposomes: In vivo Correlations with 68Ga-RGD, Fluid Pressure, Diffusivity and 18F-FDG |
| title_sort |
noninvasive molecular imaging of the enhanced permeability and retention effect by 64cu-liposomes: in vivo correlations with 68ga-rgd, fluid pressure, diffusivity and 18f-fdg |
| publisher |
Dove Medical Press |
| publishDate |
2020 |
| url |
https://doaj.org/article/8f5d2a79b6c5463abbcc5f3b65bf21ef |
| work_keys_str_mv |
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