Metformin as a radiosensitiser for pelvic malignancy: A systematic review of the literature
European Journal of Surgical Oncology, ISSN: 0748-7983, Vol: 47, Issue: 6, Page: 1252-1257
2021
- 5Citations
- 22Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations5
- Citation Indexes5
- Captures22
- Readers22
- 22
Review Description
The treatment of pelvic malignancies has continued to improve over recent years, with neoadjuvant radiotherapy often considered the gold standard to downstage disease. Radiosensitisers are routinely employed in an attempt to improve response of cancers to radiotherapy. Previous preclinical evidence has suggested a role for metformin, a commonly used drug for type 2 diabetes. A literature search was performed for published full text articles using the PubMed, Cochrane and Scopus databases using the search criteria string ‘Metformin’ AND (‘Radiosensitivity’ OR ‘radiosensitising’ OR ‘radiosensitising’). Additional papers were detected by scanning the references of relevant papers. Data were extracted from each study by two authors onto a dedicated proforma. The review was registered on the PROSPERO database (ID: CRD42020199066). A total of 242 papers were identified, 11 of which were included in this review; an additional 5 papers were obtained from reference searches. Metformin has been demonstrated to reduce cell-viability post-radiotherapy in both rectal and prostate cancer cell lines, with an enhanced effect in tumours with a p53 mutation and increased apoptosis post-radiotherapy for cervical cancer. Clinical trials demonstrate improved tumour and nodal downstaging and pCR rates for rectal cancer using metformin as a radiosensitiser. With an increasing understanding of the underlying mechanism of the effects on metformin prospective studies are required to assess the effect of routine use on cancer related outcomes. Progressive future studies may be better served by the use of predictive biomarker guided treatment to enable identification of the appropriate cohort to target.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0748798320312270; http://dx.doi.org/10.1016/j.ejso.2020.12.009; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85099505361&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/33358075; https://linkinghub.elsevier.com/retrieve/pii/S0748798320312270; https://dx.doi.org/10.1016/j.ejso.2020.12.009
Elsevier BV
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