Statins as potential chemoprevention or therapeutic agents in cancer: A model for evaluating repurposed drugs

Joharatnam-Hogan, Nalinie, Alexandre, Leo, Yarmolinsky, James, Lake, Blossom, Capps, Nigel, Martin, Richard M., Ring, Alistair, Cafferty, Fay and Langley, Ruth E. (2021) Statins as potential chemoprevention or therapeutic agents in cancer: A model for evaluating repurposed drugs. Current Oncology Reports, 23 (3). ISSN 1523-3790

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Purpose of Review: Repurposing established medicines for a new therapeutic indication potentially has important global and societal impact. The high costs and slow pace of new drug development have increased interest in more cost-effective repurposed drugs, particularly in the cancer arena. The conventional drug development pathway and evidence framework are not designed for drug repurposing and there is currently no consensus on establishing the evidence base before embarking on a large, resource intensive, potential practice changing phase III randomised controlled trial (RCT). Numerous observational studies have suggested a potential role for statins as a repurposed drug for cancer chemoprevention and therapy, and we review the strength of the cumulative evidence here. Recent Findings: In the setting of cancer, a potential repurposed drug, like statins, typically goes through a cyclical history, with initial use for several years in another disease setting, prior to epidemiological research identifying a possible chemo-protective effect. However, further information is required, including review of RCT data in the initial disease setting with exploration of cancer outcomes. Additionally, more contemporary methods should be considered, such as Mendelian randomization and pharmaco-epidemiological research with “target” trial design emulation using electronic health records. Pre-clinical and traditional observational data potentially support the role of statins in the treatment of cancer; however, randomised trial evidence is not supportive. Evaluation of contemporary methods provides little added support for the use of statin therapy in cancer. Summary: We provide complementary evidence of alternative study designs to enable a robust critical appraisal from a number of sources of the go/no-go decision for a prospective phase III RCT of statins in the treatment of cancer.

Item Type: Article
Uncontrolled Keywords: cancer,drug development,drug repurposing,statins,oncology,sdg 3 - good health and well-being ,/dk/atira/pure/subjectarea/asjc/2700/2730
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
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Depositing User: LivePure Connector
Date Deposited: 16 Feb 2021 00:59
Last Modified: 23 Oct 2022 02:14
DOI: 10.1007/s11912-021-01023-z

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