期刊
CLINICAL ONCOLOGY
卷 34, 期 10, 页码 653-669出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.clon.2022.03.013
关键词
Ethnicity; GWAS; race; radiogenomics; radiotherapy; toxicity
类别
资金
- Mission Sector of the Egyption Ministry of Higher Education and Scientific Research
- NIHR Manchester Biomedical Research Centre
- Cancer Research UK [C147/A2524]
This study aimed to investigate the effects of race and ethnicity on the risk of radiotherapy toxicity. The results suggest that White men with prostate cancer and White women with breast cancer may face a higher risk of toxicity. However, due to insufficient reporting and analysis of race and ethnicity in published literature, it is difficult to draw definitive conclusions. Improvements in reporting and further research are needed to better understand the impact of ancestral heritage on radiosensitivity and the risk of radiotherapy toxicity.
Aims: Patient factors affect the risk of radiotherapy toxicity, but many are poorly defined. Studies have shown that race affects cancer incidence, survival, drug response, molecular pathways and epigenetics. Effects on radiosensitivity and radiotherapy toxicity are not well studied. The aim of the present study was to identify the effects of race and ethnicity on the risk of radiotherapy toxicity. Materials and methods: A systematic review was carried out of PubMed, Ovid Medline and Ovid Embase with no year limit. PRISMA 2020 guidelines were followed. Two independent assessors reviewed papers.Results: Of 607 papers screened, 46 fulfilled the inclusion criteria. Papers were published between 1996 and 2021 and involved 30-28,354 individuals (median 433). Most involved patients with prostate (33%), breast (26%) and lung (9%) cancer. Both early and late toxicities were studied. Some studies reported a higher risk of toxicity in White men with prostate cancer compared with other races and ethnicities. For breast cancer patients, some reported an increased risk of toxicity in White women compared with other race and ethnic groups. In general, it was difficult to draw conclusions due to insufficient reporting and analysis of race and ethnicity in published literature.Conclusions: Reporting of race and ethnicity in radiotherapy studies must be harmonised and improved and frameworks are needed to improve the quality of reporting. Further research is needed to understand how ancestral heritage might affect radiosensitivity and risk of radiotherapy toxicity.(c) 2022 The Authors. Published by Elsevier Ltd on behalf of The Royal College of Radiologists. This is an open access article under the CC BY license (http:// creativecommons.org/licenses/by/4.0/).
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