June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, quercetin and kaempferol, two plant-derived flavonoids, showed stronger binding affinities to JAK3 kinase and moderate binding to 5-alpha reductase type 2, suggesting their potential as natural treatments for androgenetic alopecia, with quercetin demonstrating suitable properties for topical application.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study used molecular docking to analyze the binding affinities of quercetin and kaempferol, plant-derived flavonoids, showing they have promising interaction profiles with JAK3 kinase and moderate binding with 5-alpha reductase type 2, suggesting potential as topical treatments for androgenetic alopecia.
89 citations
,
February 1993 in “Journal of Medicinal Chemistry” This research article focuses on nonsteroidal inhibitors of human type I steroid 5-alpha-reductase but reports no new results.
January 2004 in “Pharmaceutical biotechnology” This study found that finasteride effectively inhibits the enzymatic activity of human steroid 5 alpha reductase type II in newly established CHO cell lines.
12 citations
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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.
1 citations
,
June 2021 in “Singapore Medical Journal” This study suggests that type I 5-alpha reductase may also play a role in hair growth, with dutasteride potentially being more potent than finasteride in modulating key hair growth gene expressions.
14 citations
,
February 1998 in “Bioorganic & Medicinal Chemistry Letters” This study explored how modifying the 8-substituent of 8-bromobenzoquinolinone affects its selectivity in inhibiting both 5 alpha-reductase isozymes in the scalp.
5 citations
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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.
3 citations
,
April 2016 in “Research and reports in urology” In a cell-free test setting, this study found that a novel saw palmetto extract effectively inhibited the 5α-reductase type II enzyme, showing promising bioactivity comparable to finasteride for promoting prostate health.
21 citations
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August 1994 in “Clinical endocrinology” This article reviews the effects of 5 alpha-reductase inhibitors for treating conditions like male pattern baldness and benign prostatic hyperplasia, noting significant DHT reduction but reports no new clinical results.
3 citations
,
December 2000 in “PubMed” This study reports that the compound CS-891 can inhibit 5alpha-reductase activity in the dermal papillae of human hair follicles, suggesting potential for treating androgenetic alopecia.
11 citations
,
January 2000 in “The Journal of Steroid Biochemistry and Molecular Biology” This study found that LY320236 is a competitive inhibitor of type I and a non-competitive inhibitor of type II steroid 5alpha-reductase, indicating its potential as a dual inhibitor with differing modes of activity.
2 citations
,
April 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study found that a novel saw palmetto supercritical CO2 extract effectively inhibits 5α-reductase type II in vitro, suggesting its potential for promoting prostate health in benign prostatic hyperplasia.
92 citations
,
October 2002 in “Journal of The American Academy of Dermatology” This study reports that oral finasteride improved or stabilized hair loss in women with hyperandrogenism but not in postmenopausal women with female pattern hair loss.
22 citations
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March 2000 in “Clinics in Dermatology” This study developed a method using HPLC with UV-DAD and ESI-MS detection to identify prohibited substances like minoxidil and hormones in cosmetic products advertised online for hair loss and skin conditions.
September 2024 in “Health Sciences” This review discusses treatments for androgenic alopecia, including minoxidil, finasteride, and hormonal therapies with antiandrogens, and reports no new clinical findings.
2 citations
,
November 2017 in “Cardiovascular endocrinology” This study found that androgenic alopecia is the strongest predictor of coronary artery disease in young men from Western India, followed by premature graying and obesity.
October 2023 in “Current Issues in Molecular Biology” In this study, researchers observed that the YH complex, made from Astragalus membranaceus and Cinnamomum cassia, promoted hair regrowth and increased hair shaft thickness in mice, potentially through increased growth factors and Wnt/β-catenin signaling, suggesting its use for treating various forms of hair loss.
June 2024 in “International journal of molecular sciences” In this study, researchers found that topical treatment with adenosine improved hair growth and thickness by significantly increasing hair density and thickness after four months in vivo, with results comparable to minoxidil, potentially due to adenosine's anti-androgenic effects.
123 citations
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May 2009 in “Journal of Neuroscience” In this study, researchers found that in late pregnancy, the neuroactive progesterone metabolite allopregnanolone inhibits HPA axis responses to immune challenges via an opioid-mediated mechanism.
May 2023 in “Scientific Reports” This study found that Lepidium sativum seed extract showed potential in treating alopecia in rats by reducing 5(alpha)-dihydrotestosterone levels and improving hair length compared to minoxidil.
65 citations
,
April 2018 in “Oncotarget” This review discusses the potential carcinogenic effects of anabolic androgenic steroids, particularly regarding Leydig cell tumors, and highlights the need for preventive information campaigns due to associated health risks.
8 citations
,
March 2021 in “Medicina-lithuania” This review discusses the use of platelet-rich plasma for treating female androgenetic alopecia, reporting that it shows high patient satisfaction and improved quality of life in affected women.
May 2023 in “Experimental Dermatology” In this viewpoint, researchers discussed the possible role of the developmental origin of scalp dermis in influencing the specific pattern of hair follicle miniaturization seen in male pattern hair loss, noting that frontal follicles are more susceptible while occipital follicles remain largely terminal.
7 citations
,
December 2022 in “Plants” This study suggests that guava leaf extract may inhibit hair loss by downregulating genes involved in androgen synthesis, potentially offering a natural alternative for treating androgenetic alopecia.
87 citations
,
July 2012 in “Expert Review of Clinical Immunology” This review outlines pregnancy risks in systemic lupus erythematosus and emphasizes that active lupus nephritis at conception increases the risk of flares and poor obstetric outcomes; it reports no new clinical findings.
6 citations
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April 2009 in “Fertility and Sterility” Finasteride helps induce ovulation in nonresponder PCOS women.
1 citations
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April 2020 in “Journal of The American Academy of Dermatology” This article discusses the approval status of 5α-reductase inhibitors for androgenetic alopecia, noting finasteride is FDA-approved for certain men while dutasteride is not approved in the US for this condition; it reports no new results.
4 citations
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February 2021 in “Journal of Cosmetic Dermatology” This study found that pumpkin seed oil significantly improved hair parameters in females with pattern hair loss, demonstrating potential as a treatment comparable to minoxidil 5% foam.
2 citations
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March 2022 in “Applied sciences” In this study, Lespedeza bicolor extract was found to enhance dermal papilla cell proliferation and extend the anagen phase in mice, suggesting its potential as a treatment for alopecia.