Abstract
A major field of interest in nuclear medicine is in vivo tumor characterization and measurement of biological processes at cellular and molecular levels by means of positron emission tomography (PET) or single photon emission computed tomography (SPECT). Functional imaging with radiopharmaceuticals represents a useful noninvasive tool to evaluate the biological status of the tumor and its progression. The properties of radiopharmaceuticals are exploited for initial staging of cancer, assessment of recurrent or residual disease and, more recently, considerable progress has been made in the field of the evaluation of tumor response to treatment. PET and SPECT can both detect changes in tumor activity caused by therapy or disease progression before any detectable change in tumor volume. Measurement of tumor response to therapy using PET and SPECT is the subject of intense investigations because it may result in individualization of treatment and may have a prognostic value for long-term outcome. This review focuses on the various methods used to monitor anticancer therapy with a variety of clinically approved or investigational tracers. We summarize the mechanisms of radiopharmaceutical uptake based on certain physiological activities affected by treatment: proliferation, apoptosis, hypoxia, angiogenesis and multidrug resistance (MDR).
Keywords: Tumor imaging, PET, SPECT, cell proliferation, apoptosis, multidrug resistance, hypoxia, angiogenesis
Current Cancer Drug Targets
Title: Spectrum of Radiopharmaceuticals in Nuclear Oncology
Volume: 6 Issue: 3
Author(s): Delphine Denoyer, Nathalie Perek, Nathalie L. Jeune and Francis Dubois
Affiliation:
Keywords: Tumor imaging, PET, SPECT, cell proliferation, apoptosis, multidrug resistance, hypoxia, angiogenesis
Abstract: A major field of interest in nuclear medicine is in vivo tumor characterization and measurement of biological processes at cellular and molecular levels by means of positron emission tomography (PET) or single photon emission computed tomography (SPECT). Functional imaging with radiopharmaceuticals represents a useful noninvasive tool to evaluate the biological status of the tumor and its progression. The properties of radiopharmaceuticals are exploited for initial staging of cancer, assessment of recurrent or residual disease and, more recently, considerable progress has been made in the field of the evaluation of tumor response to treatment. PET and SPECT can both detect changes in tumor activity caused by therapy or disease progression before any detectable change in tumor volume. Measurement of tumor response to therapy using PET and SPECT is the subject of intense investigations because it may result in individualization of treatment and may have a prognostic value for long-term outcome. This review focuses on the various methods used to monitor anticancer therapy with a variety of clinically approved or investigational tracers. We summarize the mechanisms of radiopharmaceutical uptake based on certain physiological activities affected by treatment: proliferation, apoptosis, hypoxia, angiogenesis and multidrug resistance (MDR).
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Cite this article as:
Denoyer Delphine, Perek Nathalie, Jeune L. Nathalie and Dubois Francis, Spectrum of Radiopharmaceuticals in Nuclear Oncology, Current Cancer Drug Targets 2006; 6 (3) . https://dx.doi.org/10.2174/156800906776842984
DOI https://dx.doi.org/10.2174/156800906776842984 |
Print ISSN 1568-0096 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5576 |
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