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research Doping-Control Analysis of the 5α-Reductase Inhibitor Finasteride: Determination of Its Influence on Urinary Steroid Profiles and Detection of Its Major Urinary Metabolite

39 citations , April 2007 in “Therapeutic Drug Monitoring”

This study found that finasteride significantly alters urinary steroid profiles, complicating the detection of steroid abuse in doping-control analysis by potentially causing false-negative results.

research Hyperandrogenism, Elevated 17-Hydroxyprogesterone and Its Urinary Metabolites in a Young Woman with Ovarian Steroid Cell Tumor, Not Otherwise Specified: Case Report and Review of the Literature

7 citations , October 2019 in “Case reports in endocrinology”

This case report describes a woman with hyperandrogenism and menstrual disturbances, where an ovarian steroid cell tumor was identified and removed, leading to resolution of symptoms.

research Influence of Saw palmetto and Pygeum africana extracts on the urinary concentrations of endogenous anabolic steroids: Relevance to doping analysis

2 citations , December 2020 in “Phytomedicine plus”

In this study, researchers found that taking Saw palmetto and Pygeum africana supplements for five days altered the urinary steroid profile in a way that may interfere with the steroidal module of the Athlete Biological Passport.

research Urinary 5-ene-steroid excretion in non-classical congenital adrenal hyperplasia due to 3β-hydroxysteroid dehydrogenase deficiency (NC-3BHSD)

3 citations , May 1990 in “Journal of Steroid Biochemistry”

This study found that diagnosing non-classical 3 beta-hydroxysteroid dehydrogenase deficiency solely based on elevated serum or urinary 5-ene-steroids may not be reliable.

research Reproductive profiles, androgen hormones and energetic status of oligomenorrheic exercising women

January 2008 in “TSpace”

This study found that premenopausal exercising women with oligomenorrhea had lower triiodothyronine levels and truncal fat percentage compared to other groups, suggesting distinct energetic and reproductive profiles.

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community Latest study on RU58841 done 19. August 2026.

25 upvotes 1 month ago

RU58841 can be absorbed systemically after topical application, but the study did not find immediate hormonal disruption. The study highlights the need for more research on long-term safety and effects of RU58841, as well as the importance of quality control in products from the grey market.

community Is this real chat? Finasteride -> fountain of youth and longevity drug?

559 upvotes 1 year ago

Finasteride is discussed as a hair loss treatment with benefits like reduced prostate enlargement and skin aging, but it is not seen as a "fountain of youth." Users report mixed experiences, including side effects like decreased libido and dry eyes.

community How is dht not beneficial to you?

in Finasteride/Dutasteride 111 upvotes 7 months ago

DHT is important for sexual function and mood, but finasteride and dutasteride can reduce DHT, causing side effects like reduced libido and erectile dysfunction. These treatments are effective for hair loss, but their impact on DHT leads to debate.

community If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied

in Research 830 upvotes 2 years ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

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