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This study demonstrated that methylation of the 5-alpha reductase type 2 (5-AR2) promoter is linked to reduced expression of the 5-AR2 protein, possibly explaining resistance to Finasteride in some BPH patients.

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.

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.

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.

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.

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.

Finasteride effectively treats enlarged prostate and male baldness, improves symptoms of hirsutism in women, but doesn't work for acne, and may delay prostate cancer progression with few side effects.

This study found that Cynanchi Wilfordii Radix has strong antioxidant activity and may reduce key factors involved in male hair loss in dermal papilla cells.

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.

This study developed a bifunctional sodium hyaluronate microneedle patch incorporating glycyrrhizin-loaded dutasteride micelles and mesoporous polydopamine nanoparticles, which effectively inhibited DHT and reduced ROS in hair follicle cells, resulting in significantly accelerated hair growth in vitro and in vivo.

This study found that certain compounds from Chaga mushrooms stimulated the proliferation of human hair follicle cells more effectively than minoxidil, suggesting potential for hair-growth treatments.

This review discusses the clinical applications and adverse effects of 5-alpha reductase inhibitors for treating benign prostatic hyperplasia and androgenic alopecia, noting controversies around their implications for other diseases, without reporting new results.

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.

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.

This meta-analysis concluded that 5α-reductase inhibitors may increase the risk of mild depression, particularly with dutasteride, in patients treated for benign prostatic hyperplasia and androgenic alopecia.

This review discusses sexual dysfunction as a side effect of α-blockers and 5-ARIs for BPH/LUTS, highlighting methodological flaws in existing studies and the need for more rigorous research.

Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.

In this study of Danioninae species, researchers reported that the presence of breeding tubercles on the pectoral fins is conserved in certain species and linked to local androgen conversion, with steroid 5-α-reductase playing a crucial role in their development.

The new topical product combined with finasteride significantly increased hair thickness without side effects.

Clinical studies reported that finasteride reduces scalp dihydrotestosterone levels and improves hair growth in men with androgenetic alopecia, supporting its role as a treatment option.

This review found that dutasteride is more potent than finasteride as a dual receptor dihydrotestosterone blocker for treating androgenetic alopecia and shares a similar safety profile in terms of fertility, teratogenicity, neurotoxicity, and hepatotoxicity.

This study found that ethanol extract of Tubtim Chumphae rice bran downregulates SRD5A gene expression, similarly to finasteride, suggesting potential use as an anti-hair loss product.

This study found that among various treatments for male androgenetic alopecia, dutasteride 0.5 mg/day was the most effective option overall. Additionally, among FDA-approved treatments, topical minoxidil 5% was the most effective topical therapy, and finasteride 1 mg/day was the most effective oral therapy.

Men with hair loss who take a certain type of medication may experience fewer COVID-19 symptoms.

This study found that Carthamus tinctorius floret extract, at a concentration of 0.05 mg/mL, significantly inhibited 5α-reductase activity in DU-145 cells more effectively than standard treatments finasteride and dutasteride, with a stable microemulsion formulation enhancing its skin permeation and stability.

This review examines medical literature on postfinasteride syndrome and reports no new results; the authors call for more controlled studies on permanent sexual dysfunction and mood changes linked to 5-alpha-reductase inhibitors.

This study found that finasteride significantly reduced dihydrotestosterone levels but did not provide clear evidence of impaired libido or erectile function compared to placebo in men.

In this study, researchers found that young men with androgenic alopecia exhibited significantly higher mRNA levels of 5α-reductase isozymes and changes in prostate cancer-related genes, which could explain varying responses to treatment and guide future therapies.

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.

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.