21 citations
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November 2010 in “Talanta” This study reported the development of a novel and reliable liquid chromatographic method to measure testosterone and epitestosterone in human urine, offering sensitive detection for doping control.
1 citations
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March 2012 in “Acta Pharmaceutica Sinica B” This study developed methods for detecting carboxy-finasteride in urine for doping control, demonstrating detection up to 49 hours post-administration with high precision and accuracy.
3 citations
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July 2021 in “Drug Testing and Analysis” This study found that chronic administration of finasteride affected the isotopic composition of testosterone and nandrolone metabolites, impacting the drug-testing outcomes in athletic contexts.
This narrative review concludes that long-term randomized controlled trials are needed to establish clear guidelines for testosterone therapy in women, given the lack of FDA-approved formulations and the variable quality of current treatments.
2 citations
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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.