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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | McRee, Autumn J. Cowherd, Stacy Wang, Andrew Z. Goldberg, Richard M. |
Description | Country affiliation: United States Author Affiliation: McRee AJ ( Department of Hematology/Oncology, University of North Carolina School of Medicine, NC, USA.) |
Abstract | Concurrent administration of chemotherapy and radiotherapy has been increasingly used in cancer treatment, leading to improvements in survival as well as quality of life. Currently, it is a feasible preference, often regarded as the standard therapeutic option, for many locally confined solid tumors, including anal, bladder, cervical, esophageal, gastric, head and neck, lung, pancreatic and rectal cancers. In patients with these tumors, combined modality therapy improves local tumor control and survival while, in some instances, obviating the need for surgical removal of the organ of origin. The scientific rationale for the use of chemoradiation derives from the preclinical and clinical observations of synergistic interactions between radiotherapy and chemotherapy. When chemotherapy and radiotherapy are administered together, the chemotherapeutic agents can sensitize the cancer cells to the effects of ionizing radiation, leading to increased tumor-killing effects within the radiotherapy field. This, in turn, can improve local control of the primary tumor and, in some cancers, render surgical resection unnecessary. In other cases, patients with tumors that were initially considered unresectable are able to undergo curative interventions after completing chemoradiation. The chemotherapy component can address any potential micrometastatic disease that, without therapy, leads to an increased risk of distant recurrence. A large body of evidence exists that supports the use of chemoradiotherapy in gastrointestinal cancers. In fact, one of the first tumor types in which the superior efficacy of chemoradiation was described was anal cancer. Since then, chemoradiotherapy has been explored in other gastrointestinal malignancies with superior outcomes when compared with either radiation or chemotherapy alone. This article aims to recapitulate the clinical evidence supporting the use of chemoradiotherapy in a variety of gastrointestinal tumor types. |
File Format | HTM / HTML |
ISSN | 14796694 |
Issue Number | 3 |
Volume Number | 7 |
e-ISSN | 17448301 |
Journal | Future Oncology |
Language | English |
Publisher | Future Medicine Ltd. |
Publisher Date | 2011-03-01 |
Publisher Place | Great Britain (UK) |
Access Restriction | Subscribed |
Subject Keyword | Discipline Oncology Antineoplastic Combined Chemotherapy Protocols Therapeutic Use Gastrointestinal Neoplasms Drug Therapy Radiotherapy Animals Antineoplastic Agents Chemotherapy, Adjuvant Combined Modality Therapy Humans Pancreatic Neoplasms Journal Article Review |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Eukaryota Neoplasms Chemical Actions and Uses Therapeutics |
Subject | Cancer Research Oncology |
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