research Synthesis of N-Substituted 3-Oxo-17b- carboxamide-4-aza-5a-androstanes and the Tautomerism of 3-Oxo-4-aza-5-androstenes
Researchers made two new compounds that could be used for medicine.
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research Clinical use of 5α-reductase inhibitors
Finasteride effectively treats hair loss and enlarged prostate in men, with mild side effects.
research Crystal Structure of 3-Oxo-4-Aza-5-Alpha-Androstone-17 β-Tert-Butyl Carboxamide with an O···H–(C, N) Acceptor Four-Center Hydrogen Bond
The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
research The Impact of the 5α-Reductase Inhibitors (5α-RIs) on Male Sexual Function and Psychological Well-Being
5α-reductase inhibitors can cause serious and possibly lasting sexual and psychological side effects.
research A Randomized Controlled, Single-Observer Blinded Study on the Safety and Efficacy of a Combination of 678nm Helmet-Type Low-level Laser Therapy and Topical Minoxidil 5% Versus Topical Minoxidil 5% Alone in the Treatment of Male Androgenetic Alopecia
Using a laser helmet with Minoxidil works better for male hair loss than Minoxidil alone, with no extra side effects.
research 705 Influence of 5a-Reductase Inhibitor (5-ARI) Usage on the Reproductive Function of Married Men
Finasteride does not negatively affect male reproductive function.
research Clinical dose ranging studies with finasteride, a type 2 5α-reductase inhibitor, in men with male pattern hair loss
Finasteride effectively treats male pattern hair loss with a 1 mg daily dose.
research Successful treatment of generalized discoid lupus erythematosus with imiquimod cream 5%: a case report and review of the literature.
Imiquimod cream 5% effectively treated generalized discoid lupus erythematosus.
research Effect of the 5α-reductase enzyme inhibitor dutasteride in the brain of intact and parkinsonian mice
Dutasteride may protect the brain in early Parkinson's disease.
research Clinical efficacy of oral administration of finasteride at a dose of 2.5 mg/day in women with female pattern hair loss
Finasteride 2.5 mg/day can effectively treat female hair loss.
![The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route](/images/research/73bab8dc-bdf0-45e3-8ef7-73d0d4b93cb1/small/21074.jpg)
research The synthesis of (−)-4-methyl-8-chloro-trans-1,2,3,4,4a,5,6,10b-octahydrobenzo-[f]-quinolin-3-one-[3-14C] (LY300502-14C]) via a circuitous route
Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
research Exploring the effects of wetting and free fatty acid deposition on an atomistic hair fiber surface model incorporating Keratin Associated Protein 5-1
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
research Comparison of high-dose finasteride (5 mg/day) versus low-dose finasteride (2.5 mg/day) in the treatment of hirsutism
Low-dose finasteride effectively treats hirsutism, is safe, and cost-effective.
research Analysis of the microRNA expression profile of normal human dermal papilla cells treated with 5α-dihydrotestosterone
DHT affects hair follicle cells by changing microRNA levels, leading to less cell growth and more cell death.
research Avicequinone C Isolated from Avicennia marina Exhibits 5α-Reductase-Type 1 Inhibitory Activity Using an Androgenic Alopecia Relevant Cell-Based Assay System
Avicequinone C, a compound found in the Avicennia marina plant, can reduce hair loss by inhibiting a hormone linked to androgenic alopecia.
research In Vivo Investigation in Pigs of Intestinal Absorption, Hepatobiliary Disposition, and Metabolism of the 5α-Reductase Inhibitor Finasteride and the Effects of Coadministered Ketoconazole
Ketoconazole increases finasteride's effectiveness and lifespan in the body.
research Concomitant immobilization of androgen receptors and 5α- reductase in androgenic alopecia
Anagen grow may effectively treat hair loss by blocking testosterone and reducing enzyme activity.
research Longitudinal clinical course in patients with 5α-reductase type 2 deficiency treated with testosterone and dihydrotestosterone during infancy and puberty
Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
research A New Look at the 5á-Reductase Inhibitor Finasteride
Finasteride, a medication, is being re-evaluated for its effects and uses.
research A high-performance liquid chromatography–tandem mass spectrometry assay of the androgenic neurosteroid 3α-androstanediol (5α-androstane-3α,17β-diol) in plasma
Testosterone increases 3α-androstanediol levels, which can be blocked by finasteride.
research The Benefits of Dual Inhibition of 5α Reductase
Dutasteride reduces DHT and improves BPH symptoms more effectively than finasteride.
research Persistent erectile dysfunction in men exposed to the 5α-reductase inhibitors, finasteride, or dutasteride
Using finasteride or dutasteride may cause long-lasting erectile dysfunction.
research Epigallocatechin Gallate-Mediated Alteration of the MicroRNA Expression Profile in 5α-Dihydrotestosterone-Treated Human Dermal Papilla Cells
Green tea component EGCG may help prevent hair loss by changing microRNA levels in certain scalp cells.
research Inhibitory Effects of Pueraria mirifica Aqueous Extracts on 5α-reductase and Prostate Histomorphometry in Testosterone-induced Benign Prostatic Hyperplasia Sprague Dawley Rats
Pueraria mirifica extract may help treat benign prostatic hyperplasia.
research Skipping of Exons by Premature Termination of Transcription and Alternative Splicing within Intron-5 of the Sheep SCF Gene: A Novel Splice Variant
A new mRNA variant of the SCF gene in sheep skin produces a shorter, different protein.
research Therapeutic potential of Ishophloroglucin a from Ishige okamurae in androgenic alopecia: inhibition of 5α-reductase activity and activation of the Wnt/β-catenin signaling pathway in human dermal papilla cells
Ishophloroglucin A from Ishige okamurae may be a natural alternative for treating hair loss by inhibiting 5α-reductase and promoting hair growth.
![Discovery of 7-Methoxy-6-[4-(4-Methyl-1,3-Thiazol-2-yl)-1H-Imidazol-5-yl]-1,3-Benzothiazole (TASP0382088): A Potent and Selective Transforming Growth Factor-β Type I Receptor Inhibitor as a Topical Drug for Alopecia](/images/research/9620bd26-3366-4f2a-bcac-f511697bbc41/small/35997.jpg)
research Discovery of 7-Methoxy-6-[4-(4-methyl-1,3-thiazol-2-yl)-1H-imidazol-5-yl]-1,3-benzothiazole (TASP0382088): A Potent and Selective Transforming Growth Factor-β Type I Receptor Inhibitor as a Topical Drug for Alopecia
A new compound shows promise as a topical treatment for hair loss.
research Effects of Camellia oleifera seed shell polyphenols and 1,3,6-tri-O-galloylglucose on androgenic alopecia via inhibiting 5a-reductase and regulating Wnt/β-catenin pathway
Camellia oleifera seed shell polyphenols and 1,3,6-tri-O-galloylglucose can help treat hair loss by reducing certain hormones and promoting hair growth.
research In vitro and In vivo Effects of 17β-N-(4-phenylcarbamoyl) androst-4-en-3- one Derivatives as 5a-reductase Inhibitors on Androgen-dependent Glands
Three compounds were found to inhibit a prostate disease-related enzyme and reduce prostate size more effectively than the current treatment, suggesting they could be used for treating benign prostatic hyperplasia.
![Activity of 17β-(N-Alkyl/Arylformamido) and 17β-[(N-Alkyl/Aryl) Alkyl/Arylamido]-4-Methyl-4-Aza-5α-Androstan-3-Ones as 5α-Reductase Inhibitors in the Hamster Flank Organ and Ear](/images/research/861159f1-7bd4-420c-a16b-4829458efe68/small/15592.jpg)
research Activity of 17β-(N-Alkyl/arylformamido) and 17β-[(N-Alkyl/aryl) alkyl/arylamido]-4-methyl-4-aza-5α-androstan-3-ones as 5α-Reductase Inhibitors in the Hamster Flank Organ and Ear11The research has been supported by Endorecherche that is seeking patent protection for the new compounds. F. Labrie is President of Endorecherche.
The compounds tested could potentially treat hair loss and alopecia.