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Did you mean 5-alpha-reductase inhibitor?

Glossary 5-alpha-reductase inhibitor

blocks enzyme converting testosterone to dihydrotestosterone (DHT)

A 5-alpha-reductase inhibitor is a type of medication that blocks the enzyme 5-alpha-reductase, which is responsible for converting testosterone into dihydrotestosterone (DHT). By reducing DHT levels, these inhibitors can help treat conditions like male pattern baldness and benign prostatic hyperplasia (BPH).

Related Terms

Research

5 / 1000+ results

research DIHYDROTESTOSTERONE AND THE PROSTATE: THE SCIENTIFIC RATIONALE FOR 5α-REDUCTASE INHIBITORS IN THE TREATMENT OF BENIGN PROSTATIC HYPERPLASIA

235 citations , September 2004 in “The Journal of urology/The journal of urology”

This review discusses the role of dihydrotestosterone in benign prostatic hyperplasia and reports no new results; the authors highlight 5alpha-reductase inhibitors as a well-established treatment option.

research The Risks and Benefits of 5α-Reductase Inhibitors for Prostate-Cancer Prevention

147 citations , June 2011 in “New England journal of medicine/The New England journal of medicine”

This review discusses the potential benefits and risks of 5α-reductase inhibitors in preventing prostate cancer and reports no new results.

A New Look at the 5-Alpha-Reductase Inhibitor Finasteride

research A New Look at the 5?-Reductase Inhibitor Finasteride

137 citations , March 2006 in “Cns Drug Reviews”

This review explores finasteride's effects on neuroactive steroid levels and their potential influence on disorders like depression and alcohol withdrawal but reports no new clinical findings.

Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production

research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production

124 citations , March 2012 in “JAMA”

This abstract discusses the unclear role of dihydrotestosterone (DHT) in postembryonic life in marsupials and possibly humans, reporting no new findings.

research Association of Suicidality and Depression With 5α-Reductase Inhibitors

90 citations , March 2017 in “JAMA Internal Medicine”

In this study, older men using 5α-reductase inhibitors for prostatic enlargement did not show increased risk of suicide, but had elevated risks of self-harm and depression.

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community Androsterone as a Neurosteroid Replacement Strategy for 5α-Reductase Inhibitor–Associated Sexual and Affective Dysfunction

in Research/Science 36 upvotes 2 months ago

Androsterone may help with sexual and affective dysfunction from finasteride by replacing disrupted neurosteroids without increasing androgenic side effects. Controlled testing is needed to confirm its effectiveness and safety.

community Allopregnanolone deficiency by 5-ari inhibition (fin/dut users)

in Finasteride/Dutasteride 11 upvotes 2 years ago

The conversation is about managing allopregnanolone deficiency caused by 5-alpha-reductase inhibitors like finasteride or dutasteride. Specific treatments discussed for hair loss include Minoxidil, finasteride, and RU58841.

community A better treatment would be a localized 5ar inhibitor that breaks down when it enters blood or leaves hair follicle

1 upvotes 1 year ago

The conversation discusses the need for a localized 5-alpha reductase inhibitor that only affects the scalp without systemic side effects, similar to pyrilutamide's approach. Current treatments like topical liposomal finasteride and dutasteride are mentioned, but concerns about their systemic effects and lack of research are highlighted.

community We need actual hair loss studies on Epristeride

in Research/Science 6 upvotes 1 year ago

Epristeride is a selective 5 alpha reductase type 2 inhibitor that may reduce scalp DHT similarly to finasteride, with potentially fewer side effects. It is suggested that combining epristeride with finasteride or dutasteride could enhance hair loss treatment effectiveness.

community 5 alpha reductase type 1 is in brain tissue producing the main endogenous gabaergic allopregnanolone, not 2. How can finasteride as a 5ar2 lower that?

27 upvotes 1 year ago

Finasteride and dutasteride are discussed for hair loss, with concerns about their effects on neurosteroids and potential side effects like depression. Alternatives like topical estrogen and lifestyle changes are considered, with varying opinions on mental health and hair regrowth.

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Learn

7 / 15 results

learn Fluridil

How is Fluridil different from other DHT blockers like finasteride? Fluridil is a topical androgen-receptor blocker applied to the scalp, while finasteride is an oral 5-alpha-reductase inhibitor that lowers DHT throughout the body. Finasteride is FDA-approved and far better studied; Fluridil rests on one 43-man trial and is not licensed as a hair-loss medicine, so its long-term safety and effect size are unknown.

learn Finasteride

Frontline, gold standard treatment for combatting androgenic alopecia

learn Dutasteride

Heavy duty finasteride that comes with higher risks

learn Saw Palmetto

a natural and far less effective alternative to Finasteride

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Overview

learn procapil

Want to stop hormonal hair loss without touching your hormone levels? Procapil could block the enzyme doing the damage. Procapil's supplier describes it as inhibiting 5-alpha reductase at the scalp without changing hormone levels, but the published support is cell and animal work plus one small human study of a caffeine-plus-Procapil formula. It is a cosmetic ingredient, not an approved hair-loss treatment, and no trial has compared it with finasteride or minoxidil.

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