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Updated: Jun 6, 2026

An Orthotopic Murine Model of Human Prostate Cancer Metastasis
Published on: September 18, 2013
Finasteride metabolism and pharmacogenetics: new approaches to personalized prevention of prostate cancer
Sarah L Hulin-Curtis1, Dominique Petit, W Douglas Figg
1University of Sydney, Bosch Institute, Camperdown, New South Wales, Australia.
Abstract:
Incidences of prostate cancer in most countries are increasing owing to better detection methods; however, prevention with the use of finasteride, a very effective steroid 5α-reductase type II inhibitor, has been met with mixed success. A wide interindividual variation in response exists and is thought to be due to heritable factors. This article summarizes the literature that attempts to elucidate the molecular mechanisms of finasteride in terms of its metabolism, excretion and interaction with endogenous steroid molecules. We describe previously reported genetic variations of steroid-metabolizing genes and their potential association with finasteride efficacy. Based on the literature, we outline directions of research that may contribute to understanding the interindividual variation in finasteride prevention and to the future development of personalized medicine.
Insights
Finasteride is a prostate cancer prevention drug with variable success due to genetic factors. Understanding these genetic variations can lead to personalized medicine for finasteride treatment.
Area of Science:
- Pharmacogenomics
- Oncology
- Molecular Endocrinology
Background:
- Prostate cancer incidence is rising globally, necessitating effective prevention strategies.
- Finasteride, a 5α-reductase type II inhibitor, shows variable efficacy in prostate cancer prevention.
- Interindividual differences in finasteride response are attributed to heritable factors.
Purpose of the Study:
- To elucidate the molecular mechanisms of finasteride, including its metabolism, excretion, and interactions.
- To review genetic variations in steroid-metabolizing genes and their association with finasteride efficacy.
- To identify research directions for personalized medicine in finasteride prevention.
Main Methods:
- Literature review of finasteride metabolism and pharmacogenetics.
- Analysis of genetic variations in steroid-metabolizing genes.
- Synthesis of existing data on finasteride efficacy and heritability.
Main Results:
- Finasteride's efficacy is influenced by its metabolism and interaction with endogenous steroids.
- Genetic variations in steroid-metabolizing genes correlate with finasteride response.
- Heritable factors significantly contribute to the variability in finasteride's preventive effects.
Conclusions:
- Understanding finasteride's molecular mechanisms and genetic underpinnings is crucial.
- Genetic profiling may predict finasteride response, enabling personalized treatment.
- Further research into pharmacogenomics will advance personalized medicine for prostate cancer prevention.
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