48 citations
,
February 1999 in “PubMed” Finasteride, a drug, can block the seizure-preventing effects of a hormone called progesterone in mice.
34 citations
,
August 2011 in “Journal of Natural Medicines” Puerariae Flos extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
34 citations
,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
30 citations
,
June 2010 in “Endocrine Related Cancer” SRD5A1 is crucial in advanced prostate cancer, and blocking both SRD5A1 and SRD5A2 is more effective than targeting SRD5A2 alone.
17 citations
,
August 2011 in “Current Medicinal Chemistry” New treatments for enlarged prostate are being developed, some of which may be more effective than current medications.
December 2023 in “International Journal of Molecular Sciences” Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.
January 2018 in “Elsevier eBooks” 5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
August 2025 in “ACS Omega” New compounds show promise as nonsteroidal treatments for hair loss.
8 citations
,
June 2017 in “Steroids” New chemical compounds were made that effectively block an enzyme linked to prostate growth.
5 citations
,
January 2001 in “Advances in protein chemistry” 5α-reductase inhibitors help treat disorders caused by DHT and have potential for future therapies.
3 citations
,
June 2018 in “Bioorganic & medicinal chemistry” Compounds 4, 4b, and 4c effectively inhibit an enzyme linked to testosterone conversion without significant toxicity.
2-Hydroxy-1,4-naphthoquinone is a strong 5α-reductase inhibitor.
13 citations
,
January 2015 in “Steroids” The study created a model to help design new inhibitors for steroidal 5α-reductase enzymes.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
5 citations
,
November 2015 in “Journal of Enzyme Inhibition and Medicinal Chemistry” Certain derivatives are more effective 5α-reductase type 2 inhibitors than finasteride.
37 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
31 citations
,
September 2008 in “International Journal of Andrology” 5-alpha-reductase inhibitors may cause a low incidence of erectile dysfunction that decreases over time.
22 citations
,
August 2011 in “Journal of Supercritical Fluids” Rice bran extract might help prevent hair loss.
21 citations
,
August 1994 in “Clinical endocrinology” 5α-Reductase inhibitors can help treat hair loss, acne, and prostate issues by reducing DHT levels.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
9 citations
,
August 2000 in “Journal of Periodontal Research” Finasteride reduces testosterone conversion, progesterone lessens this, and levamisole enhances finasteride's effect.
April 2026 in “Communications Biology” The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.
February 2026 in “Toxicology Letters” MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
April 2022 in “Molecules” Teak leaf extract contains compounds that could help treat hair loss.
January 2018 in “Surgical and Cosmetic Dermatology” Finasteride and dutasteride are effective for male hair loss and enlarged prostate but may cause reversible sexual side effects.
3 citations
,
February 2013 in “PubMed” 5α-reductase inhibitors like finasteride and dutasteride can help treat skin disorders stimulated by androgens, such as hair loss and acne.
44 citations
,
July 2012 in “Endocrine Practice” We need to learn more about 5α-reductases and neuroactive steroids to safely make drugs targeting these enzymes.
November 2012 in “Endocrine Practice” Enzymes called 5α-reductases have many body functions and need more research to safely use inhibitors.
February 2026 in “NeuroSci” Finasteride and dutasteride may cause depression and anxiety, especially in younger men.
October 2020 in “Journal of Pharmaceutical Sciences” Topical finasteride with EGCG or TA improves drug release and dermal uptake, potentially treating hair loss effectively.