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Updated: Aug 14, 2025

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
Published on: December 11, 2016
Drug Repurposing: A New Hope in Drug Discovery for Prostate Cancer
Jonaid Ahmad Malik1,2, Sakeel Ahmed3, Sadiya Sikandar Momin4
1Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Guwahati 781003, India.
Abstract:
Prostate cancer (PCA), the most common cancer in men, accounted for 1.3 million new incidences in 2018. An increase in incidences is an issue of concern that should be addressed. Of all the reported prostate cancers, 85% were detected in stages III and IV, making them difficult to treat. Conventional drugs gradually lose their efficacy due to the developed resistance against them, thus requiring newer therapeutic agents to be used as monotherapy or combination. Recent research regarding treatment options has attained remarkable speed and development. Therefore, in this context, drug repurposing comes into the picture, which is defined as the "investigation of the off-patent, approved and marketed drugs for a novel therapeutic indication" which saves at least 30% of the time and cost, reducing the cost of treatment for patients, which usually runs high in cancer patients. The anticancer property of cardiac glycosides in cancers was tested in the early 1980s. The trend then shifts toward treating prostate cancer by repurposing other cardiovascular drugs. The current review mainly emphasizes the advantageous antiprostate cancer profile of conventional CVS drugs like cardiac glycosides, RAAS inhibitors, statins, heparin, and beta-blockers with underlying mechanisms.
Insights
Drug repurposing offers a cost-effective approach to combat prostate cancer (PCA). Conventional cardiovascular drugs, including cardiac glycosides and statins, show promise as novel therapeutic agents for PCA treatment.
Area of Science:
- Oncology
- Pharmacology
- Drug Discovery
Background:
- Prostate cancer (PCA) is a significant global health concern, with increasing incidence rates.
- Late-stage detection (85% in stages III/IV) complicates treatment, and drug resistance limits conventional therapies.
- Drug repurposing, using approved drugs for new indications, offers a faster, cheaper alternative for novel cancer treatments.
Purpose of the Study:
- To review the potential of repurposed cardiovascular drugs for prostate cancer therapy.
- To highlight the efficacy of specific cardiovascular drug classes against prostate cancer.
- To elucidate the underlying mechanisms of action for these repurposed agents.
Main Methods:
- Literature review of studies on cardiovascular drugs and prostate cancer.
- Analysis of research on drug repurposing strategies in oncology.
- Examination of the anticancer properties of cardiac glycosides, RAAS inhibitors, statins, heparin, and beta-blockers.
Main Results:
- Cardiovascular drugs demonstrate a promising antiprostate cancer profile.
- Cardiac glycosides, RAAS inhibitors, statins, heparin, and beta-blockers show potential for PCA treatment.
- Drug repurposing significantly reduces development time and cost compared to novel drug discovery.
Conclusions:
- Repurposing conventional cardiovascular drugs presents a viable strategy for novel prostate cancer therapies.
- Further research into these agents could lead to more effective and affordable PCA treatment options.
- Understanding the mechanisms of action is crucial for optimizing the use of repurposed cardiovascular drugs in PCA.
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