Repurposing radiosensitising medicines for radiotherapy: an overview

Repurposing established non-cancer drugs for the treatment of cancer offers potential benefits such as speed of clinical translation and financial efficiencies. In this study, we assess the landscape of repurposing drugs for combined use with radiotherapy (RT) based on their capacity to increase tum...

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Main Authors: Geoff S Higgins, Jie Man Low, Gonzalo Rodriguez-Berriguete
Format: Article
Language:English
Published: BMJ Publishing Group 2024-07-01
Series:BMJ Oncology
Online Access:https://bmjoncology.bmj.com/content/3/1/e000192.full
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author Geoff S Higgins
Jie Man Low
Gonzalo Rodriguez-Berriguete
author_facet Geoff S Higgins
Jie Man Low
Gonzalo Rodriguez-Berriguete
author_sort Geoff S Higgins
collection DOAJ
description Repurposing established non-cancer drugs for the treatment of cancer offers potential benefits such as speed of clinical translation and financial efficiencies. In this study, we assess the landscape of repurposing drugs for combined use with radiotherapy (RT) based on their capacity to increase tumour radiosensitivity. Using a literature-based approach, we identified 42 radiosensitising drugs with varied non-cancer indications and mechanisms of action, that have entered or completed clinical trials in combination with RT or with chemoradiotherapy. Two compounds, nicotinamide and nimorazole, have entered routine but limited clinical use in combination with radiotherapy. We provide an overview on these successfully repurposed drugs, and highlight some examples of unsuccessful repurposing efforts and drug candidates with an uncertain prospect of success. Upon reviewing the trials, we identified some common themes behind the unsuccessful efforts, including poor trial reporting, absence of biomarkers and patient selection, sub-optimal pharmacological properties, inappropriate trial design, lack or inadequate consideration of pre-clinical and clinical data, and limited funding support. We point out future directions to mitigate these issues and increase the likelihood of success in repurposing drug treatments for radiotherapy.
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spelling doaj-art-a78ff853bae3434fa0f38d842f9b014a2025-01-30T08:35:11ZengBMJ Publishing GroupBMJ Oncology2752-79482024-07-013110.1136/bmjonc-2023-000192Repurposing radiosensitising medicines for radiotherapy: an overviewGeoff S Higgins0Jie Man Low1Gonzalo Rodriguez-Berriguete2Department of Oncology, University of Oxford, Oxford, UKDepartment of Oncology, Oxford University Hospitals NHS Trust, Oxford, UKDepartment of Oncology, University of Oxford, Oxford, UKRepurposing established non-cancer drugs for the treatment of cancer offers potential benefits such as speed of clinical translation and financial efficiencies. In this study, we assess the landscape of repurposing drugs for combined use with radiotherapy (RT) based on their capacity to increase tumour radiosensitivity. Using a literature-based approach, we identified 42 radiosensitising drugs with varied non-cancer indications and mechanisms of action, that have entered or completed clinical trials in combination with RT or with chemoradiotherapy. Two compounds, nicotinamide and nimorazole, have entered routine but limited clinical use in combination with radiotherapy. We provide an overview on these successfully repurposed drugs, and highlight some examples of unsuccessful repurposing efforts and drug candidates with an uncertain prospect of success. Upon reviewing the trials, we identified some common themes behind the unsuccessful efforts, including poor trial reporting, absence of biomarkers and patient selection, sub-optimal pharmacological properties, inappropriate trial design, lack or inadequate consideration of pre-clinical and clinical data, and limited funding support. We point out future directions to mitigate these issues and increase the likelihood of success in repurposing drug treatments for radiotherapy.https://bmjoncology.bmj.com/content/3/1/e000192.full
spellingShingle Geoff S Higgins
Jie Man Low
Gonzalo Rodriguez-Berriguete
Repurposing radiosensitising medicines for radiotherapy: an overview
BMJ Oncology
title Repurposing radiosensitising medicines for radiotherapy: an overview
title_full Repurposing radiosensitising medicines for radiotherapy: an overview
title_fullStr Repurposing radiosensitising medicines for radiotherapy: an overview
title_full_unstemmed Repurposing radiosensitising medicines for radiotherapy: an overview
title_short Repurposing radiosensitising medicines for radiotherapy: an overview
title_sort repurposing radiosensitising medicines for radiotherapy an overview
url https://bmjoncology.bmj.com/content/3/1/e000192.full
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