4 citations
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October 2023 in “African Journal of Urology” This study found that hypospadias in male children is significantly associated with genetic polymorphisms in the Steroid 5 alpha reductase type 2 gene, higher parental age, consanguinity, rural residence, and preterm labor, with maternal age and rural residence being the strongest independent predictors.
218 citations
,
December 2011 in “Advances in Urology” This review discusses the biochemical properties and clinical significance of 5 alpha-reductase isozymes and reports no new clinical results.
31 citations
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August 2001 in “PubMed” This review discusses the role of androgen metabolism in hair follicles and its potential impact on future treatments for androgenetic alopecia, but reports no clinical results.
49 citations
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January 2004 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” This review discusses the development and selectivity of 5 alpha-reductase inhibitors, particularly non-steroidal ones, and reports no new clinical trial results.
44 citations
,
July 2012 in “Endocrine Practice” This review highlights the need for a deeper understanding of 5alpha-reductases and neuroactive steroids to reduce potential adverse effects of 5alpha-reductase inhibitors used for conditions like benign prostatic hyperplasia and androgenic alopecia, but reports no new clinical results.
15 citations
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April 2003 in “Journal of Dermatological Science” This study found no significant associations between the polymorphisms of SRD5A1 and SRD5A2 genes and androgenetic alopecia, clinical types of baldness, or response to finasteride in Koreans.
November 2023 in “Scientific reports” This study presents the first report on cloning and characterizing the full-length cDNA of SRD5A1 in Indian catfish (Clarias magur), revealing expression differences across reproductive phases and increased expression post-Ovatide administration in ovaries and testis.
17 citations
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October 2003 in “Brazilian Journal of Medical and Biological Research” This study found that SDR5A1 gene expression was similar between hirsute women, normal women, and men, suggesting it may not explain differences in hair growth among these groups.
January 2013 in “Hair transplant forum international” This review discusses current medical therapies available for treating hair loss and emphasizes the importance of understanding these options, but it presents no new results.
11 citations
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May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study reported that 5 alpha-reductase type 2 is the predominant enzyme in pubic skin fibroblasts across normal men, women, and hirsute patients, suggesting potential treatment options for idiopathic hirsutism.
6 citations
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August 1996 in “The Journal of Clinical Endocrinology and Metabolism” MK-386 and finasteride together effectively reduce DHT levels, potentially treating acne and male pattern baldness.
23 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that topical minoxidil and diazoxide induced significant hair regrowth in bald macaques, while a steroid 5 alpha-reductase inhibitor prevented baldness in preadolescent macaques.
December 2022 in “Scientific Reports” This study found that caffeic acid amide derivative, compound 4, effectively inhibited steroid 5α-reductase type 1 in vitro, suggesting potential for development as a treatment for androgenic alopecia.
8 citations
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June 1995 in “Helvetica Chimica Acta” This article outlines the synthesis of spiro[cyclohexane‐1,2′‐[2 H ]indene] derivatives similar to known steroid 5α‐reductase inhibitors, but it does not report experimental findings.
11 citations
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August 2020 in “Diabetes” This study found that testosterone enhances insulin secretion in human pancreatic islets by being converted into DHT and E2, processes that are necessary for this effect.
63 citations
,
November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” This study observes the expression of mRNA for androgen receptor, 5α‐reductase, and 17β‐hydroxysteroid dehydrogenase in human dermal papilla cells.
10 citations
,
August 2014 in “Skin research and technology” This study found that variations in sleep patterns, free testosterone, and 5-alpha-reductase type 1 activity are associated with changes in sebum excretion in women, which may contribute to variability in acne studies.
12 citations
,
April 1995 in “Journal of Medicinal Chemistry” In this study, 4-substituted N-(1,1-dimethylethyl)-3-oxo-4-androstene-17.beta.-carboxamides were synthesized and evaluated in vitro as potential 5 alpha-reductase inhibitors and antiandrogens.
28 citations
,
May 2018 in “Scientific reports” This study found that exercise decreases the expression of 5αR1, thereby enhancing the PI3K/AKT signaling pathway in PCOS rats.
1 citations
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March 1997 in “Journal of Chromatography B: Biomedical Sciences and Applications” This study discovered that the disposition of LY191704 enantiomers in rats and dogs is both stereoselective and species specific.
22 citations
,
August 2011 in “Journal of Supercritical Fluids” In this study, fraction No. 3 of Oryza sativa bran extract demonstrated high unsaturated fatty acid content and significant 5α-reductase inhibition, suggesting potential for developing anti-androgenic alopecia products.
9 citations
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November 2004 in “Bioorganic & Medicinal Chemistry Letters” This study identified potent dual inhibitors of 5α-reductases 1 and 2 that may aid in designing new drugs for related diseases.
5 citations
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November 2015 in “Journal of Enzyme Inhibition and Medicinal Chemistry” This study found that aliphatic ester moieties in 16-formyl-17-methoxy dehydroepiandrosterone derivatives increased their potency as 5α-reductase type 2 inhibitors in vitro compared to finasteride.
April 1992 in “Current opinion in therapeutic patents” This study reports the development of novel 4-amido-Δ4,6-steroids as potential inhibitors of 5α-reductase, showing promising in vitro results for conditions like acne and benign prostatic cancer.
12 citations
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June 2001 in “Bioorganic & Medicinal Chemistry” This study found that octahydrobenzo[c]quinolizin-3-one derivatives, particularly compound 3, were potent and selective inhibitors of the enzyme 5α-reductase type 1.
5 citations
,
February 1997 in “Bioorganic & Medicinal Chemistry” This study found that among 17 beta-(N-ureylene-N,N'-disubstituted)-4-azasteroids, those with an N'-phenyl moiety were the most effective inhibitors of human type I 5 alpha-reductase.
12 citations
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March 2017 in “Medicinal Chemistry Research” This study found that certain curcumin analogs derived from natural plant sources exhibit anti-androgen activity by inhibiting steroid 5-alpha reductase, identifying key structural features for their potency and safety in treating androgen-related conditions.
11 citations
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December 2018 in “Assay and Drug Development Technologies” This review highlights the challenges in screening for steroid 5 alpha-reductase inhibitors and discusses significant variability in the effectiveness of finasteride and dutasteride, calling for standardized testing methods to develop safer, more specific inhibitors from herbal preparations.
November 2025 in “ACS Omega” This study found that compounds from *Tectona grandis* leaves showed moderate inhibition of steroid 5α-reductase, a factor in androgenetic alopecia, and exhibited anti-inflammatory properties by inhibiting nitric oxide and pro-inflammatory cytokines IL-1β and IL-6 in vitro, suggesting potential dual-action benefits for AGA management.
29 citations
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April 2019 in “BMJ. British medical journal” This study concluded that men with benign prostatic hyperplasia receiving steroid 5α-reductase inhibitors, such as dutasteride or finasteride, have a higher risk of developing new onset type 2 diabetes compared to those taking tamsulosin.