71 citations
,
November 2012 in “Expert Opinion on Drug Safety” This article reviews the reported sexual and psychological side effects of 5-alpha reductase inhibitors for benign prostatic hyperplasia, emphasizing the need for further clinical studies.
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.
December 2022 in “JAMA network open” This study found that men using 5-alpha-reductase inhibitors showed an increased risk for dementia shortly after starting treatment, which diminished over time, and a consistent association with depression, but no link to suicide.
29 citations
,
January 1996 in “Journal of Pharmaceutical Sciences” This study developed a theoretical model that suggests finasteride may completely inhibit 5AR type 2, but not sufficiently suppress type 1, leading to only partial reduction of dihydrotestosterone at clinical doses.
November 2023 in “ACS Omega” This study reported that a novel cationic liposome formulation for delivering encapsulated Cas9 protein and sgRNA successfully decreased SRD5α2 mRNA expression by 29.7% in vitro, suggesting a potential alternative treatment option for conditions like prostate cancer and benign prostatic hyperplasia without current drug side effects.
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
,
October 2019 in “Dermatologic Therapy” This article addresses the mechanisms of androgenic alopecia and seeks to clarify misconceptions, but it reports no new empirical findings and calls for further controlled studies.
153 citations
,
April 2009 in “Urology” This article reviews potential prevention and intervention strategies for prostate cancer, including 5alpha-reductase inhibition, but reports no new clinical findings.
22 citations
,
August 2009 in “Evidence-based Complementary and Alternative Medicine” This study found that a composition including Serenoa repens extract and anti-inflammatory agents effectively suppressed inflammation-related gene expression in a keratinocyte model, suggesting a potential dual strategy for treating androgenetic alopecia.
2 citations
,
January 2019 in “Biomedical Journal of Scientific and Technical Research” This article describes the growth and characteristics of saw palmetto and its fruit but reports no new research results.
1 citations
,
April 2018 in “Our Dermatology Online” This article discusses the familiarity of identifying male androgenetic alopecia but presents no new research findings.
January 2018 in “Hair transplant forum international” This article discusses a novel multi-targeting approach to treating hair loss using standardized nutraceuticals but reports no new clinical results.
14 citations
,
November 2006 in “Current Medicinal Chemistry” This review discusses recent developments in α1-adrenoceptor antagonists and 5α-reductase inhibitors for treating benign prostatic hyperplasia, reporting no new clinical results while identifying potential areas for future drug development.
65 citations
,
April 2002 in “Journal of Alternative and Complementary Medicine” This study found that 60% of men with mild to moderate androgenetic alopecia showed improvement after treatment with botanically derived 5AR inhibitors, suggesting these compounds may be effective, though larger trials are needed.
3 citations
,
March 2016 in “Phytotherapy Research” In laboratory tests, this study found that a novel natural composition targeting 5-alpha reductase and inflammatory pathways reduced disease-related markers in androgenetic alopecia and benign prostatic hyperplasia more effectively than finasteride.
52 citations
,
September 2018 in “International Journal of Molecular Sciences” This review highlights the potential of ginseng and its metabolites in preventing hair loss, detailing their hair growth-promoting effects observed in numerous preclinical studies, and emphasizing the underlying mechanisms involved.
June 2023 in “International journal of pharmaceutical quality assurance” This study found that Eclipta alba extracts exhibit 5α-reductase inhibitory activity, with the methanolic extract showing a higher concentration of β-sitosterol compared to petroleum ether extract, indicating potential for treating androgenic conditions like male pattern baldness.
137 citations
,
March 2006 in “Cns Drug Reviews” This review explores finasteride's effects on neuroactive steroid levels and their potential influence on disorders like depression and alcohol withdrawal but reports no new clinical findings.
4 citations
,
June 2015 in “Journal of Genetics/Journal of genetics” This abstract reports funding sources for ongoing research and does not present any study results.
24 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” This review examines hormonal influences on acne development and available hormonal therapies but reports no new clinical results.
48 citations
,
January 2011 in “Neuropharmacology” Isolation stress in rats reduces brain enzyme levels, affecting dopamine function.
42 citations
,
December 2007 in “American Journal of Psychiatry” This study examined finasteride, a 5-alpha-reductase inhibitor, for treating a Tourette’s syndrome patient unresponsive to traditional therapy, noting its limited side effects.
May 2025 in “Frontiers in Bioinformatics” This study used computational methods to identify six molecules, with jamogenin being particularly promising, that effectively bind to and inhibit the enzyme linked to male pattern hair loss, suggesting these compounds could be explored further for hair growth potential.
December 2018 in “Actas urológicas españolas” This study reported that cognitive biopsy diagnosed prostate cancer in 44% of patients with at least one previous negative biopsy, with higher detection rates in lesions classified as PI-RADS 4 and 5.
This study observed that using only a 5 alpha-reductase inhibitor was ineffective for treating androgen-dependent hair loss in women, possibly due to differing copper levels influencing enzyme activity.
68 citations
,
April 2002 in “Journal of Alternative and Complementary Medicine” This study suggests that botanical 5AR inhibitors like Serenoa repens and β-sitosterol may improve symptoms of androgenetic alopecia, with 60% of treated subjects showing improvement compared to placebo.
2 citations
,
November 2018 in “Indian Journal of Pharmaceutical Education” This study designed a novel model for 5a-reductase enzyme inhibitors using pharmacophore and 3D QSAR techniques, potentially allowing for improved prediction and development of drug therapies targeting benign prostatic hyperplasia.
2 citations
,
April 2021 in “Canadian Journal of Urology” This review summarizes existing studies on 5-alpha reductase inhibitors, noting their effectiveness in reducing prostate volume and cancer risk but highlighting an increased risk of higher grade prostate cancer.
July 2023 in “IntechOpen eBooks” Some types of hair loss can be reversed, others are permanent, and treatments vary by type.
This review discusses the potential benefits of the Restolin Hair Supplement for hair growth and reports no clinical results, with the authors noting that the claims are not supported by FDA approval or clinical trials.