June 2014 in “Zagazig Journal of Pharmaceutical Sciences/Zagazig Journal of Pharmaceutical Science” This study reports that using ascorbic acid or orlistat can significantly inhibit the metabolism of testosterone esters into malodorous metabolites by axillary bacteria, suggesting potential new deodorant applications.
January 2006 in “Benzina: Revista d'excepcions culturals” This study observed that new trienone compounds consistently showed higher 5alpha-reductase inhibitory activity compared to corresponding dienones across various biological models.
2 citations
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September 1992 in “Steroids” The researchers reported that compounds 11 to 13 derived from Westphalen-type steroids showed strong antiandrogenic activity in vivo, though their effects could not be attributed to 5α-reductase inhibition or androgen receptor binding.
8 citations
,
June 2017 in “Steroids” This study evaluated novel steroid compounds for their ability to inhibit 5α-reductase, showing that compound 16a significantly reduced rat prostate weight more than epristeride and exhibited excellent in vitro inhibitory potency, indicating its potential as a lead candidate for further benign prostatic hyperplasia drug research.
November 2021 in “Pharmaceutical Sciences” This study found that the compound androstane-17-carboxamide 6 may serve as a lead for new drugs to treat BPH and prostate cancer by reducing the weight of androgen-dependent glands.
10 citations
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July 2011 in “Archives of Pharmacal Research”
2 citations
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October 2001 in “Analytical Sciences” A new compound that could treat various androgen-related conditions was created and analyzed.
December 1998 in “Acta Crystallographica Section C-crystal Structure Communications” This study describes the molecular conformation and intermolecular interactions in the crystalline structure of the compound C24H31BrO4.
May 2022 in “Current Enzyme Inhibition” This study found that the synthesized compound 7b exhibited higher 5α-reductase inhibitory activity, increased solubility, and dissolution compared to finasteride, suggesting its potential as a lead compound for benign prostatic hyperplasia treatment.
1 citations
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January 2009 in “X-ray Structure Analysis Online” A new compound was made that might help treat diseases related to male hormones.
42 citations
,
May 2003 in “Mini-reviews in Medicinal Chemistry” This study found that newly synthesized steroidal trienones demonstrated stronger 5α-reductase inhibitory activity compared to dienones in various biological models, suggesting potential for developing enhanced antiandrogenic drugs.
11 citations
,
June 2016 in “European Journal of Medicinal Chemistry” This study found that two synthesized androst-4-ene-3-one derivatives, 6f and 6g, exhibited stronger anti-proliferative effects than common drugs on prostate cancer cell lines, with low toxicity to rat cells.
14 citations
,
May 2005 in “Steroids” This study describes the synthesis of finasteride from 4-androstene-3,17-dione in a seven-step process with an overall yield of 18.6%.
7 citations
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August 2010 in “Medicinal Chemistry Research” This study found that some synthesized 17-oximino-5-androsten-3β-yl esters demonstrated stronger cytotoxicity and antiandrogenic activity against prostate cancer cells than finasteride.
August 2002 in “Analytical Sciences” The document concludes that a compound with potential for treating prostate cancer and hair loss was successfully made and its detailed structure was confirmed.
12 citations
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April 1995 in “Journal of Medicinal Chemistry” In this study, 4-substituted N-(1,1-dimethylethyl)-3-oxo-4-androstene-17.beta.-carboxamides were synthesized and evaluated in vitro as potential 5 alpha-reductase inhibitors and antiandrogens.
20 citations
,
March 2005 in “Current Medicinal Chemistry” This study reports that newly synthesized steroidal trienones exhibit higher 5α-reductase inhibitory activity than dienones in various biological models, suggesting potential use in treating androgen-dependent diseases.
19 citations
,
July 2005 in “Steroids” In this study, researchers developed a sensitive LC–MS–MS assay to measure 3α-androstanediol levels in rat plasma and observed that testosterone raises these levels via a 5α-reductase pathway.
January 2022 in “Current Enzyme Inhibition” This study found that two novel nonsteroidal derivatives inhibited specific enzymes in vitro and in vivo, leading to dihydrotestosterone accumulation in androgen-dependent glands, suggesting potential therapeutic use for mood improvement in the elderly.
18 citations
,
January 2002 in “Chemical & pharmaceutical bulletin/Chemical and pharmaceutical bulletin” This study found that several new pregnane derivatives, especially steroids 16 and 19, demonstrated higher antiandrogenic activity on male hamster models than the commonly used finasteride.
January 2023 in “WikiJournal of Medicine” This review discusses alternative androgen pathways, including the "backdoor" pathway and pathways to 11-oxygenated steroids, and reports no new clinical results; the authors aim to clarify these concepts for better patient treatment.
January 2002 in “Chinese Journal of Pharmaceuticals” This study reports the preparation of a key intermediate for finasteride and epristeride with a 69% overall yield from pregnenolone acetate.
11 citations
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November 2009 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” This study found that bolandiol increased lean body mass and bone mineral density in castrate adult male rats, exhibiting tissue selectivity and acting through multiple receptor pathways with less potency compared to other androgens.
3 citations
,
May 2017 in “Bioorganic & medicinal chemistry letters” This study identified compounds 11d and 11k as potential dual 5α-reductase inhibitors and AR antagonists with significant anti-proliferative effects on prostate cancer cell lines, suggesting they may offer therapeutic value.
209 citations
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March 1998 in “Biochemical and biophysical research communications” This study identified a novel class of nonsteroidal ligands that can mimic the effects of dihydrotestosterone on androgen receptors, suggesting potential therapeutic applications in male fertility and hormone replacement therapy.
186 citations
,
December 2011 in “Molecules” This study reported that while no synthesized compounds surpassed finasteride in 5α-reductase inhibitory activity, certain 4-azasteroid-2-oximes exhibited notable inhibition.
5 citations
,
November 2015 in “Journal of Enzyme Inhibition and Medicinal Chemistry” 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.
June 2010 in “Journal of Chemical Crystallography” This study determined the crystal structure and conformation of synthesized 17x-Acetoxy-pregn-4,6-diene-3,20-dione, revealing specific molecular interactions and structural details in an orthorhombic crystal system.
13 citations
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July 2008 in “Biomedical Chromatography” This study reported that administering finasteride reduced levels of certain neuroactive androgens in rat brains, suggesting peripheral origin for most 3α,5α-Adiol and brain synthesis for 3α,5α-A.
4 citations
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January 1998 in “Heterocycles” Researchers made two new compounds that could be used for medicine.