August 2022 in “Indonesian Journal of Medical Chemistry and Bioinformatics” This in-silico study identified several compounds as potential Vitamin D Receptor agonists, with Dolichosterone showing the strongest binding energy.
February 2026 in “Toxicology Letters” This study used an in silico/in vitro approach to identify potential inhibitors of the enzyme SRD5A2, finding that the androgen receptor modulator MK-0773 is a moderate inhibitor, although it does not act as a covalent inhibitor like finasteride.
January 2024 in “Biological & clinical sciences research journal” This review of 355 articles found that apigenin, a compound found in many plants and vegetables, is mainly researched for its anti-inflammatory, neuroprotective, and anti-cancer properties, with enhanced efficacy when combined with allopathic drugs.
34 citations
,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” This study found that 4-MA is a potent inhibitor of testosterone 5α-reductase in human tissues, promising potential for treating androgen-dependent skin conditions like male pattern baldness.
1 citations
,
December 2021 in “Natural Product Research” In this study, in silico screening and molecular simulations identified β-sitosterol and brassicasterol as stable potential inhibitors of 5α-reductase1, suggesting they could be explored for androgenic alopecia treatment.
November 2025 in “SKIN The Journal of Cutaneous Medicine” This study evaluated the long-term safety of ritlecitinib in adolescents with alopecia areata and found it to be well-tolerated without new safety concerns over approximately five years, with common adverse events including positive SARS-CoV-2 tests, acne, headache, and nasopharyngitis.
January 1994 in “Toxicological Sciences” This study found that chronic high dosages of 2-(difluoromethyl)-dl-ornithine caused various toxicities in rats and dogs, with some effects potentially minimized at lower dosages.
1 citations
,
April 2014 in “Journal of the Korean Society of Food Science and Nutrition” This study found that unripe Rubus occidentalis extracts may inhibit benign prostatic hyperplasia development in a rat model by reducing prostate weight and androgen-related gene expression.
July 2026 in “Journal of the American Academy of Dermatology”
This study found that 1′S-1′-acetoxychavicol acetate from Alpinia galanga inhibits Nox isozymes and suppresses testosterone-induced hair loss in a mouse model of androgenetic alopecia.
87 citations
,
January 1996 in “Journal of cellular biochemistry” This article discusses ongoing and planned clinical chemoprevention trials for various agents and combinations but reports no new results; it highlights promising new agents and the evolving focus on molecular pathways.
28 citations
,
November 2004 in “Endocrinology” This study by Gao et al. reports that two nonsteroidal selective androgen receptor modulators, S1 and S4, demonstrated tissue-selective actions in rats, suppressing prostate growth while maintaining muscle growth without altering hormone levels.
1 citations
,
February 2022 in “The Journal of Urology” This article discusses the potential mechanism by which 5α-reductase inhibitors might offer protection against SARS-CoV-2, emphasizing possible roles of dehydroepiandrosterone and its impact on nitric oxide bioavailability, but reports no new experimental results.
1 citations
,
January 2022 in “European Journal of Pharmacology” In this study, FMN was found to inhibit androgen receptor function and androgen-regulated gene expression in prostate cancer cells, suggesting potential as an antiandrogen therapy.
18 citations
,
January 1988 in “Acta oncologica” This study found that retinol palmitate treatment in patients with stage Ia non-small-cell lung cancer may reduce cancer relapses, but longer follow-up is needed to confirm its efficacy.
January 2026 in “Dermatologic Therapy” This study found that elevated tissue RBP4 levels correlate with disease severity in alopecia areata and decrease after effective baricitinib treatment, while the rs3758539 polymorphism is linked to disease susceptibility but not to treatment response.
1 citations
,
January 2016 in “Open Forum Infectious Diseases” This study found that fluconazole induced early hair follicle resting phase (telogen effluvium) in rats, without changing retinoic acid levels in rats or human patients, suggesting further investigation into fluconazole's hair loss mechanism is needed.
January 2010 in “China Animal Husbandry & Veterinary Medicine” This study suggests that RORα, RORβ, and RORγ mRNA expression in cashmere goat skin is related to different stages of hair follicle development, indicating a possible role in cycled cashmere growth.
March 2003 in “Oncology Times” This review discusses preclinical and clinical chemoprevention research for several cancers, noting challenges in effectiveness and toxicity, and emphasizes the need for further trials.
11 citations
,
January 2016 in “Evidence-based Complementary and Alternative Medicine” This study found that rice bran ash extract and orthosilicic acid both increased melanin synthesis and related protein expression in melanocytes, suggesting potential therapeutic use for melanin deficiency.
December 2023 in “Research Square (Research Square)” In this study, researchers using molecular docking techniques found that 12-Methoxy carnosic acid from rosemary shows promising potential as a natural inhibitor of the 5 alpha reductase enzyme, which is involved in hair loss, suggesting its efficacy compared to finasteride.
December 2016 in “University of Birmingham Institutional Research Archive (University of Birmingham)” This study found that manipulating 5αR2 activity in human hepatocytes in vitro can regulate lipogenesis, with potential clinical implications for patients taking 5αR inhibitors.
February 2026 in “International Journal of Dermatology” In a single-center study, adolescents with moderate-to-severe alopecia areata treated with ritlecitinib 50 mg daily for 24 weeks showed significant hair regrowth, with 27.3% achieving near-complete regrowth and 45.5% substantial improvement, without serious safety concerns, according to these researchers.
May 2023 in “Acta Oncologica” This Swedish cohort study found no association between the use of anti-androgenic 5α-reductase inhibitors and improved 5-year all-cause or disease-specific mortality in oesophago-gastric cancer patients, challenging the hypothesis that these drugs enhance survival outcomes.
13 citations
,
November 2012 in “PubMed” This study found that in men with sexual dysfunction, use of 5ARI may reduce sexual drive and spontaneous erections without worsening pre-existing erectile or ejaculatory issues.
February 2026 in “Postgraduate Medicine” This meta-analysis reports that 5-alpha-reductase inhibitors are associated with a 31% increased risk of depression, with varying outcomes depending on the comparator group, highlighting significant heterogeneity across studies.
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.
April 2020 in “The FASEB journal” In in-vitro experiments, this study found that poncirin showed higher inhibitory activity against JAK3 than tofacitinib, suggesting potential for alopecia areata treatment.
1 citations
,
November 2025 in “American Journal of Clinical Dermatology” This study reports that long-term treatment with ritlecitinib is generally well tolerated for up to approximately five years in patients aged 12 and older with alopecia areata, with the safety profile aligning with previous data from the ALLEGRO clinical trials.
January 2021 in “The Korea Journal of Herbology” This study suggests that Achyranthis Radix ethanol extract may promote hair growth by increasing cell proliferation and protein expression in human hair dermal papilla cells.