68 citations
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April 2002 in “Journal of Alternative and Complementary Medicine” Natural 5AR inhibitors effectively improve mild to moderate hair loss in men.
124 citations
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January 1993 in “The Prostate” Finasteride effectively inhibits 5α reductase, while plant extracts like Permixon and Bazoton don't show significant results.
20 citations
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March 2005 in “Current Medicinal Chemistry” New compounds show promise for treating hair loss, enlarged prostate, and prostate cancer, with some being more effective and having different side effects than current treatments.
13 citations
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January 2005 in “Chemical and Pharmaceutical Bulletin” Smaller substituents at C-17 enhance the inhibitory activity of progesterone derivatives on 5alpha-reductase.
13 citations
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August 2007 in “Bioorganic & medicinal chemistry letters” A new compound effectively inhibits human 5α-reductase 1.
31 citations
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January 2017 in “Advances in Experimental Medicine and Biology” Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
5 citations
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September 2011 in “Bioorganic & Medicinal Chemistry Letters” Pfizer found that pantolactam-based compounds can reduce sebum (skin oil) production when applied topically.
46 citations
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March 2001 in “Journal of endocrinological investigation” 5α-reductase inhibitors, like finasteride and dutasteride, effectively treat BPH, male baldness, and hirsutism, with potential for acne and prostate cancer prevention.
34 citations
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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.
22 citations
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August 2014 in “Clinical endocrinology” Taking finasteride for benign prostate hyperplasia may increase the risk of osteoporosis, especially at higher doses.
15 citations
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October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
13 citations
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November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
104 citations
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October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
75 citations
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November 1996 in “Fertility and Sterility” Finasteride effectively reduces hair growth in women with idiopathic hirsutism, but requires careful contraception during treatment.
35 citations
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February 1994 in “Fundamental and applied toxicology” High doses of finasteride cause cell growth and tumors in mice.
33 citations
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April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
33 citations
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October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces hair growth and is safe for women with excessive hair.
32 citations
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June 2017 in “Journal of Pharmaceutical Sciences” Chitosan-coated nanoparticles improve skin delivery of hair loss treatments with fewer side effects.
27 citations
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May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
22 citations
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October 2001 in “Biochemical Pharmacology” GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
10 citations
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August 2020 in “International Journal of Andrology” 5α-reductase inhibitors like finasteride may not be effective or safe for transgender individuals, and more research is needed.
10 citations
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May 2010 in “Analytica Chimica Acta” New tests detect finasteride and dutasteride in urine quickly and easily.
8 citations
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October 1998 in “Comparative Biochemistry and Physiology Part C: Pharmacology, Toxicology and Endocrinology” Proscar (finasteride) blocks 5α-reductase in sea urchin ovaries and testes, suggesting potential treatment for androgen-related conditions.
4 citations
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August 2019 in “General and Comparative Endocrinology” Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
3 citations
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July 2021 in “Drug Testing and Analysis” 5α-reductase inhibitors can interfere with doping tests by masking banned substances.
30 citations
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August 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect hormone levels in normal men.
28 citations
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January 1991 in “Reproductive Toxicology” Finasteride temporarily lowers male rat fertility without affecting libido.
January 2020 in “Química Nova” The PW91 method is best for calculating the basic physical and chemical properties of Finasteride, a drug used for prostate issues and hair loss.
71 citations
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November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.
35 citations
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October 2004 in “Biology of Reproduction” PNU157706 reduced rat sperm movement and fertility without affecting offspring health.