Imaging Biomarkers Of Treatment Response
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Imaging Biomarkers Of Treatment Response
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Author :
language : en
Publisher:
Release Date : 2015
Imaging Biomarkers Of Treatment Response written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Quantitative imaging biomarkers -- numerical measurements derived from medical imaging that can be interpreted by clinicians - are a critical component of treatment response assessment in oncology. They can also play an important role in the design and interpretation of clinical trials, provided that they are measured following a standardized set of best practices. In this thesis, we have demonstrated the successful application of imaging biomarkers of treatment response to a clinical trial assessing the pharmacodynamics and pharmacokinetics of the anti-angiogenic TKI therapeutic Axitinib. We have illustrated the challenges facing quantitative imaging biomarkers in general, and gained valuable insights into anti-angiogenic therapy in particular. We have characterized the pharmacodynamics of "withdrawal flare," a rapid increase in tumor proliferation following cessation of anti-angiogenic therapy, using quantitative imaging biomarkers derived from FLT PET. This is the first time in humans that the temporal dynamics of Axitinib withdrawal flare have been characterized, a critical step in optimizing the use of this drug in combination therapy. Although we demonstrated that significant flare occurs in patients treated with Axitinib, we also observed substantial inter-patient heterogeneity in imaging response during withdrawal. Among the sub-set of patients experiencing withdrawal flare, it was found to occur at two days post-cessation of Axitinib, with relatively little additional flare between days 2 and 7 of withdrawal. Moreover, withdrawal flare was found to be associated with poor clinical outcome. We directly compared the results of the Axitinib trial with an earlier trial of a related anti-angiogenic drug, Sunitinib, which had used the same imaging biomarkers of treatment response. The proliferative and vascular response during withdrawal of Axitinib and Sunitinib was found to be nearly identical, and there is not sufficient evidence to support any significant difference in proliferative response during treatment. We also explored intra-patient, inter-lesion response heterogeneity. However, when comparing the imaging response with pre-treatment phenotypes, no significant correlations were observed, suggesting that some underlying biological mechanisms may be driving the inter-lesion differences in response. The insights gained from this original work support several hypotheses for how to improve patient treatment. These hypotheses will be partially addressed in three new ongoing clinical trials at the University of Wisconsin
Imaging Biomarkers
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Author : Luis Martí-Bonmatí
language : en
Publisher: Springer
Release Date : 2016-11-03
Imaging Biomarkers written by Luis Martí-Bonmatí and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-03 with Medical categories.
This is the first book to cover all aspects of the development of imaging biomarkers and their integration into clinical practice, from the conceptual basis through to the technical aspects that need to be considered in order to ensure that medical imaging can serve as a powerful quantification instrument capable of providing valuable information on organ and tissue properties. The process of imaging biomarker development is considered step by step, covering proof of concept, proof of mechanism, image acquisition, image preparation, imaging biomarker analysis and measurement, detection of measurement biases (proof of principle), proof of efficacy and effectiveness, and reporting of results. Sources of uncertainty in the accuracy and precision of measurements and pearls and pitfalls in gold standards and biological correlation are discussed. In addition, practical use cases are included on imaging biomarker implementation in brain, oncologic, cardiovascular, musculoskeletal, and abdominal diseases. The authors are a multidisciplinary team of expert radiologists and engineers, and the book will be of value to all with an interest in the quantitative imaging of biomarkers in personalized medicine.
Functional Imaging In Oncology
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Author : Antonio Luna
language : en
Publisher: Springer
Release Date : 2014-07-08
Functional Imaging In Oncology written by Antonio Luna and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-08 with Medical categories.
In the new era of functional and molecular imaging, both currently available imaging biomarkers and biomarkers under development are expected to lead to major changes in the management of oncological patients. This two-volume book is a practical manual on the various imaging techniques capable of delivering functional information on cancer, including diffusion MRI, perfusion CT and MRI, dual-energy CT, spectroscopy, dynamic contrast-enhanced ultrasonography, PET, and hybrid modalities. This second volume considers the applications and benefits of these techniques in a wide range of tumor types, including their role in diagnosis, prediction of treatment outcome, and early evaluation of treatment response. Each chapter addresses a specific malignancy and is written by one or more acclaimed experts. The lucid text is complemented by numerous high-quality illustrations that highlight key features and major teaching points.
Functional And Molecular Imaging In Oncology An Issue Of Magnetic Resonance Imaging Clinics Of North America
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Author : Antonio Luna
language : en
Publisher: Elsevier Health Sciences
Release Date : 2016-01-19
Functional And Molecular Imaging In Oncology An Issue Of Magnetic Resonance Imaging Clinics Of North America written by Antonio Luna and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-19 with Medical categories.
This issue of MRI Clinics of North America focuses on Functional MRI in Oncology. Articles will include: Functional MRI techniques in oncology in the era of personalized medicine, MRI biomarkers and surrogate endpoints in oncology clinical trials, Therapy monitoring with functional MRI, Multiparametric MRI in the assessment of brain tumors, Multiparametric MRI of breast cancer, Functional MRI in chest malignancies, Multiparametric MRI in abdominal malignancies, Assessment of musculoskeletal malignancies with functional MRI, Evaluation of head and neck tumors with functional MRI, Role of multiparametric MRI in malignancies of the urogenital tract, Diffusion-weighted imaging in oncology, Functional MRI in gynecologic cancer, Assessment of angiogenesis with MRI: DCE-MRI and beyond, Imaging of tumor metabolism: MR spectroscopy, and more!
Handbook For Clinical Trials Of Imaging And Image Guided Interventions
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Author : Nancy A. Obuchowski
language : en
Publisher: John Wiley & Sons
Release Date : 2016-02-15
Handbook For Clinical Trials Of Imaging And Image Guided Interventions written by Nancy A. Obuchowski and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-15 with Medical categories.
Handbook for Clinical Trials of Imaging and Image-Guided Interventions is the first single-source, multi-disciplinary reference, based on the didactic sessions presented at the annual ‘Clinical Trials Methodology Workshop’ for radiologists, radiation oncologists and imaging scientists (sponsored by the Radiological Society of North America (RSNA)). It focuses on educating radiologists, radiation oncologists and those involved in imaging research with how to design and conduct clinical trials to evaluate imaging technology and imaging biomarkers. The internationally renowned contributors take a broad approach, starting with principles of technology assessment, and then move into specific topics covering the clinical trials of therapy and clinical research in imaging guided interventions including radiotherapy. They discuss the use of imaging as a predictor of therapeutic response, screening trial design, and the practicalities of how to run an efficient clinical trial and good working practices. Later chapters provide a comprehensive array of quantitative methods including: an introduction to statistical considerations in study design, biostatistical analysis methods and their role in clinical imaging research, methods for quantitative imaging biomarker studies, and an introduction to cost effectiveness analysis. Handbook for Clinical Trials of Imaging and Image-Guided Interventions will educate and prepare radiologists at all levels and in all capacities in planning and conducting clinical imaging trials.
Comprehensive Diagnostic Approach To Bladder Cancer
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Author : Marc A. Bjurlin
language : en
Publisher: Springer Nature
Release Date : 2021-09-30
Comprehensive Diagnostic Approach To Bladder Cancer written by Marc A. Bjurlin and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-30 with Medical categories.
This succinct yet comprehensive book describes current and emerging concepts in risk stratification, detection, and staging of bladder cancer. Divided into two distinct sections, the first section focuses on contemporary and novel imaging modalities in bladder cancer staging. The second section illuminates advanced optical techniques and tumor markers for bladder cancer detection. The volume also addresses such topics as novel immuno-positron emission tomography radiotracers, imaging modalities for monitoring of tumor response, and non-invasive urine biomarkers such as current and emerging molecular markers for bladder cancer screening, early diagnosis, and surveillance. Comprehensive Diagnostic Approach to Bladder Cancer: Molecular Imaging and Biomarkers is written by experts in the field and provides a valuable resource for urologists, oncologists, urologic oncologists, radiation oncologists, allied health professionals, residents, and fellows who treat and manage bladder cancer.
Biomarkers In Psychiatry
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Author : Judith Pratt
language : en
Publisher: Springer
Release Date : 2019-01-05
Biomarkers In Psychiatry written by Judith Pratt and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-05 with Medical categories.
This volume addresses one of the Holy Grails in Psychiatry, namely the evidence for and potential to adopt ‘Biomarkers’ for prevention, diagnosis, and treatment responses in mental health conditions. It meshes together state of the art research from international renowned pre-clinical and clinical scientists to illustrate how the fields of anxiety disorders, depression, psychotic disorders, and autism spectrum disorder have advanced in recent years.
Biomarkers In Drug Development
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Author : Michael R. Bleavins
language : en
Publisher: John Wiley & Sons
Release Date : 2011-09-20
Biomarkers In Drug Development written by Michael R. Bleavins and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-20 with Medical categories.
Discover how biomarkers can boost the success rate of drug development efforts As pharmaceutical companies struggle to improve the success rate and cost-effectiveness of the drug development process, biomarkers have emerged as a valuable tool. This book synthesizes and reviews the latest efforts to identify, develop, and integrate biomarkers as a key strategy in translational medicine and the drug development process. Filled with case studies, the book demonstrates how biomarkers can improve drug development timelines, lower costs, facilitate better compound selection, reduce late-stage attrition, and open the door to personalized medicine. Biomarkers in Drug Development is divided into eight parts: Part One offers an overview of biomarkers and their role in drug development. Part Two highlights important technologies to help researchers identify new biomarkers. Part Three examines the characterization and validation process for both drugs and diagnostics, and provides practical advice on appropriate statistical methods to ensure that biomarkers fulfill their intended purpose. Parts Four through Six examine the application of biomarkers in discovery, preclinical safety assessment, clinical trials, and translational medicine. Part Seven focuses on lessons learned and the practical aspects of implementing biomarkers in drug development programs. Part Eight explores future trends and issues, including data integration, personalized medicine, and ethical concerns. Each of the thirty-eight chapters was contributed by one or more leading experts, including scientists from biotechnology and pharmaceutical firms, academia, and the U.S. Food and Drug Administration. Their contributions offer pharmaceutical and clinical researchers the most up-to-date understanding of the strategies used for and applications of biomarkers in drug development.
Evaluation Of Biomarkers And Surrogate Endpoints In Chronic Disease
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Author : Institute of Medicine
language : en
Publisher: National Academies Press
Release Date : 2010-06-25
Evaluation Of Biomarkers And Surrogate Endpoints In Chronic Disease written by Institute of Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-25 with Medical categories.
Many people naturally assume that the claims made for foods and nutritional supplements have the same degree of scientific grounding as those for medication, but that is not always the case. The IOM recommends that the FDA adopt a consistent scientific framework for biomarker evaluation in order to achieve a rigorous and transparent process.
Therapy Response Imaging In Oncology
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Author : Mizuki Nishino
language : en
Publisher: Springer
Release Date : 2020-02-18
Therapy Response Imaging In Oncology written by Mizuki Nishino and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-18 with Medical categories.
This book is a detailed guide to therapy response imaging in cancer patients that fully takes into account the revolutionary progress and paradigm shift in treatment approaches for advanced disease. The opening chapters describe the role of imaging as a “common language” for tumor response evaluation in oncology and address challenges and strategies in the era of precision cancer therapy and cancer immunotherapy. Practical pitfalls are discussed, with emphasis on the importance of approaching cancer as a systemic disease and the need for increased awareness of drug toxicity due to novel therapies. Therapy response imaging in a wide range of cancer types is then comprehensively described and illustrated, using a disease-specific approach. A concluding section focuses on emerging approaches and future directions, including radiomics/radiogenomics, co-clinical imaging, and molecular and functional imaging. Therapy Response Imaging in Oncology will be of high value for radiologists, nuclear medicine physicians, and oncologists. It will also be of interest to cancer care providers and oncology trial investigators.