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.
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research Finasteride 5 mg/day treatment of patterned hair loss in normo-androgenetic postmenopausal women
Finasteride 5 mg/day effectively treats hair loss in postmenopausal women without hyper-androgenism.
research Testosterone 5.ALPHA.-Reductase Inhibitory Active Constituents of Piper nigrum Leaf
Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
research Anti-androgenic and Hair Growth Promoting Activities of Lygodii Spora (Spore of Lygodium japonicum) I. Active Constituents Inhibiting Testosterone 5.ALPHA.-Reductase.
Lygodii Spora extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
research Side Effects of 5‐Alpha Reductase Inhibitors: A Comprehensive Review
5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.
research Inhibitory activities of Puerariae Flos against testosterone 5α-reductase and its hair growth promotion activities
Puerariae Flos extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
research Azasteroids as inhibitors of testosterone 5α-reductase in mammalian skin
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.
research Investigation of the Plausibility of 5-Alpha-Reductase Inhibitor Syndrome
The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
research Incomplete Recovery of Erectile Function in Rat after Discontinuation of Dual 5‐Alpha Reductase Inhibitor Therapy
Rats had lasting erectile problems after stopping a certain medication.
research The 5α-reductase inhibitor Dutasteride but not Finasteride protects dopamine neurons in the MPTP mouse model of Parkinson’s disease
Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
research The Pharmacokinetics of 2.5- to 10-mg Oral Doses of Minoxidil in Healthy Volunteers
This document studied minoxidil in healthy volunteers. Minoxidil is quickly absorbed and eliminated from the body.
research Efficacy and Safety of Oral Minoxidil 5 mg Once Daily in the Treatment of Male Patients with Androgenetic Alopecia: An Open-Label and Global Photographic Assessment
Oral minoxidil 5 mg daily increases hair growth safely in men with hair loss, with minor side effects.
research Recent Advances in the Chemistry and Pharmacological Activity of New Steroidal Antiandrogens and 5α-Reductase Inhibitors
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.
![Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method](/images/research/0026b639-99a8-455a-a986-c39aa65abfa9/small/2087.jpg)
research Synthesis of 5,6,6-[2H3]finasteride and quantitative determination of finasteride in human plasma at picogram level by an isotope-dilution mass spectrometric method
Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
research 5‐Alpha reductase inhibitors in androgenetic alopecia: Shifting paradigms, current concepts, comparative efficacy, and safety
Dutasteride works better than finasteride for hair loss, with both being safe to use.
research Persistent Erectile Dysfunction after Discontinuation of 5-Alpha Reductase Inhibitor Therapy in Rats Depending on the Duration of Treatment
Long-term use of dutasteride can cause permanent erectile dysfunction in rats.
research Synthesis and biological evaluation of novel unsaturated carboxysteroids as human 5α-reductase inhibitors: A legitimate approach
New steroid compounds effectively inhibit 5α-reductase and may treat hair loss.
research Synthesis, Biological Evaluation and Molecular Docking of Avicequinone C Analogues as Potential Steroid 5α-Reductase Inhibitors
Certain compounds, especially those with a propionic substituent, could potentially be new treatments for hair loss and similar disorders.
research Finasteride, A Steroid 5α-Reductase Inhibitor, Does Not Affect the Oxidative Metabolism of Antipyrine
Finasteride doesn't affect antipyrine metabolism, so interactions with cytochrome P-450 enzyme drugs are unlikely.
research Do 5α-Reductase Inhibitors Raise Circulating Serum Testosterone Levels? A Comprehensive Review and Meta-Analysis to Explaining Paradoxical Results
5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
research The Effects of Oral 5-alpha Reductase Inhibitors on Penile Intracavernosal Pressures and Penile Morphology in Rat Model.
Oral finasteride and dutasteride may negatively affect erectile function in rats.
research Adverse Effects of 5-Alpha Reductase Inhibitor Therapy in Men With Androgenetic Alopecia: Is There Cause for Concern?
5-alpha reductase inhibitors may cause sexual side effects, breast complications, and other health risks in men with hair loss.
research Novel prospectives of shikimic acid and Prunus mume extract for enhancing bioactivity on 5α-reductase and stability in cosmetic patches for acne treatment
Combining shikimic acid and Prunus mume extract may effectively treat acne naturally.
research Development and Characterization of Film Forming Spray of 5% Minoxidil for Baldness Due to Androgenetic Alopecia
A 5% minoxidil spray could effectively treat male baldness with fewer side effects and better patient comfort.
research Ageratum Conyzoides L. Extract Inhibits 5α-Reductase Gene Expression and Prostaglandin D2 Release in Human Hair Dermal Papilla Cells and Improves Symptoms of Hair Loss in Otherwise Healthy Males and Females in an Open Label Pilot Study
Ageratum conyzoides L. extract may effectively and safely treat hair loss.
research Association of 5-α reductase inhibitors and sexual dysfunction: A RADAR report
Using hair loss drugs finasteride and dutasteride may cause sexual side effects.
research New 5?-reductase inhibitors: In vitro and in vivo effects
Four new compounds were more effective than finasteride in treating prostate issues and hair loss, with one being 100 times more active and safe for use.
![Synthesis of Spiro[cyclohexane-1,2'-[2H]indene] Derivatives as Inhibitors of Steroid 5α-Reductase](/images/research/d91300a7-4d66-4d2c-90ac-293b0dbc5ff5/small/21048.jpg)
research Synthesis of Spiro[cyclohexane-1,2?-[2H]indene] derivatives as inhibitors of steroid 5?-reductase
Compound 15a was effective in inhibiting 5α-reductase.
research Effectiveness of once daily 5% minoxidil topical foam in the treatment of women with thinning hair due to female pattern hair loss (FPHL)
5% minoxidil foam helps women with thinning hair.
research Steroid 5α-Reductase as a Novel Therapeutic Target for Schizophrenia and Other Neuropsychiatric Disorders
S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.