3 citations
,
October 1993 in “Endocrinology” In this study, finasteride inhibited progesterone synthesis in mouse-derived MA-10 Leydig tumor cells by blocking cholesterol side-chain cleavage, but human and rat cells showed minimal sensitivity.
32 citations
,
July 2016 in “PubMed” This review discusses the adverse events associated with 5-alpha reductase inhibitors, finding them generally well-tolerated but noting potential risks like sexual side effects and psychological effects in men, and sparse data on use in women.
12 citations
,
April 2020 in “Medical hypotheses” This study proposes that the use of 5-alpha-reductase inhibitors for treating benign prostatic hyperplasia may contribute to poorer COVID-19 prognosis in males.
2 citations
,
July 2006 in “European Urology Supplements” 5α-reductase inhibitors can reduce prostate cancer risk but may increase high-grade tumors, needing more research.
15 citations
,
October 2016 in “Steroids” This study developed and validated a label-free assay using LC-MS to screen for S5αR inhibitors, identifying Thai herbal extracts, Impatiens balsamina L. and Curcuma longa L., as promising sources.
75 citations
,
January 2014 in “Korean Journal of Urology” This review discusses the adverse effects of 5α-reductase inhibitors, finasteride and dutasteride, on sexual, psychological, and vascular health, emphasizing the need for physicians to inform patients of these risks.
196 citations
,
May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that SZ95 sebocytes and HaCaT keratinocytes exhibit distinct enzyme expressions and activities, implicating their different roles in androgen metabolism and homeostasis in vitro.
36 citations
,
October 2009 in “Journal of biological chemistry/The Journal of biological chemistry” This study reports that TFM-4AS-1, a selective androgen receptor modulator, promoted bone and muscle growth with reduced effects on reproductive organs in ovariectomized rats.
3 citations
,
August 2010 in “Letters in Drug Design & Discovery” April 2017 in “The Journal of urology/The journal of urology” This study found that Sonic Hedgehog protein treatment enhanced the sprouting and regeneration of pelvic ganglia and cavernous nerves after injury, with localization of delivery affecting outcomes.
November 2011 in “Nature Clinical Practice Urology” This article reviews the use of 5alpha-reductase inhibitors for managing benign prostatic hyperplasia and reports no new clinical results.
4 citations
,
August 2010 in “Acta Biologica Hungarica” This study found that novel compounds moderately inhibited 5α-reductase type 1 activity compared to finasteride, offering valuable data on structure-activity relationships.
May 2018 in “Endocrine Abstracts” SFRP-4 might be an early indicator of diabetes and hypertension in men with androgenic alopecia.
1 citations
,
April 2019 in “Clinical Breast Cancer” This study found that in men with benign prostatic hyperplasia, 5-alpha reductase inhibitors significantly increased the risk of gynecomastia and breast tenderness compared to placebo or alpha-blockers.
48 citations
,
February 2006 in “Molecular and Cellular Endocrinology” This study found that dual 5α-reductase inhibitors in rats decreased sperm quality and led to reduced pregnancy success, suggesting potential for use in male contraception.
147 citations
,
June 2011 in “New England journal of medicine/The New England journal of medicine” This review discusses the potential benefits and risks of 5α-reductase inhibitors in preventing prostate cancer and reports no new results.
March 2014 in “The Journal of Urology” In this study, treatment with a 5a-reductase inhibitor increased CD8+ T cell infiltration in benign prostatic hyperplasia tissues, suggesting an impact on inflammatory responses.
16 citations
,
October 2007 in “Andrologia” This study suggests that DHT may have a less potent effect on the prostate compared to testosterone while maintaining safety and similar effects on erythropoiesis and lipids.
35 citations
,
June 2018 in “Urology” This study of FAERS data suggests that finasteride, particularly at the 1 mg dosage, is associated with a wide range of adverse effects not previously established in long-term studies, especially among younger men.
April 2012 in “The Journal of Urology” In this study, men using Propecia for alopecia showed normal erectile hemodynamics despite erectile dysfunction after stopping 5-alpha reductase inhibitors, while some BPH patients exhibited abnormal results potentially linked to vascular risk factors.
1 citations
,
November 2015 in “Cochrane library” This protocol outlines a planned Cochrane Review to evaluate the effects of 5-alpha-reductase inhibitors on lower urinary tract symptoms caused by benign prostatic obstruction, and it reports no new findings.
January 2018 in “Surgical and Cosmetic Dermatology” This review provides an in-depth examination of the efficacy and safety of finasteride and dutasteride, commonly used for treating benign prostatic hyperplasia and male androgenetic alopecia.
February 2024 in “Cancers” This review highlights recent progress in developing androgen receptor degraders, such as PROTACs, for treating castration-resistant prostate cancer, and notes that several have entered phase I or II clinical trials, showcasing potential to address drug resistance challenges.
5 citations
,
May 2020 in “Dermatologic Therapy” This letter reports no new findings and discusses potential concerns regarding 5-alpha reductase inhibitors on lung function, suggesting a reason for discontinuation during the COVID-19 pandemic.
3 citations
,
February 2021 in “Molecules” In this study, researchers developed a sensitive assay to measure the inhibition of steroid 5-α reductase (5AR) by chemicals like finasteride and dutasteride, revealing species-specific differences in inhibitor efficacy between human and fish cell lines.
35 citations
,
October 2004 in “Biology of Reproduction” This study found that dual 5α-reductase inhibition in rats led to decreased sperm motility and altered morphology, resulting in subfertility.
14 citations
,
June 1995 in “The Journal of Clinical Endocrinology and Metabolism”
42 citations
,
February 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” This study found that PNU 157706 is a highly potent inhibitor of human 5α-reductase enzymes, showing a stronger and longer-lasting antiprostatic effect in rats compared to finasteride.
4 citations
,
January 2017 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” This study identified two distinct VDR gene mutations among Lebanese families with hereditary vitamin D-resistant rickets, noting varied treatment responses and promising outcomes despite severe phenotypes.
4 citations
,
January 2006 in “PubMed” This study found that finasteride-induced DHT deficiency altered estrogen receptor expression in the epididymis, potentially destabilizing its function.