research Invalidation of a commercially available human 5α-dihydrotestosterone immunoassay
The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
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research Optimization of LC method for the determination of testosterone and epitestosterone in urine samples in view of biomedical studies and anti-doping research studies
Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
research Anti‐Doping Testing at FIFA World Cup 2022
All samples tested negative for banned substances, ensuring competition integrity.
research A Randomized Double-Blind Placebo-Controlled Pilot Trial on the Effects of Testosterone Undecanoate Plus Dutasteride or Placebo on Muscle Strength, Body Composition, and Metabolic Profile in Transmen
Testosterone with dutasteride improves muscle strength and body composition in trans men.
research Re: Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men with Suppressed Testosterone Production: A Randomized Controlled Trial
Testosterone increases muscle mass regardless of DHT conversion blocking.
research Hair loss due to lichen planopilaris after hair transplantation: a report of two cases and a literature review * Perda pilosa por líquen plano pilar após transplante capilar: relato de dois casos e revisão da literatura
Hair transplants can cause hair loss if done while lichen planopilaris is active; wait until it's inactive for two years and check with a scalp biopsy first.
research Detectability of oxandrolone, metandienone, clostebol and dehydrochloromethyltestosterone in urine after transdermal application
Transdermal exposure to certain steroids can be detected in urine for up to 14 days.
research Enzyme-linked immunosorbent assays for doping control of 5α-reductase inhibitors finasteride and dutasteride
New tests detect finasteride and dutasteride in urine quickly and easily.
research Sustainable UV approaches supported by greenness and whiteness assessments for estimating a recently FDA-approved combination for managing urologic disorders: Tukey's test
New, eco-friendly methods accurately measure TDF and FNS in a new urologic medication.
research Testosterone Reduces Tight Junction Complexity and Down-regulates Expression of Claudin-4 and Occludin in the Endometrium in Ovariectomized, Sex-steroid Replacement Rats
Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
research Steady-state pharmacokinetics of oral testosterone undecanoate with concomitant inhibition of 5α-reductase by finasteride
Finasteride doesn't affect oral testosterone undecanoate, and high DHT levels may cause acne, prostate issues, and hair loss.
research High resolution full scan liquid chromatography mass spectrometry comprehensive screening in sports antidoping urine analysis
The method effectively detects banned substances in urine for sports antidoping.
research Effects of Intramuscular Testosterone Undecanoate on Body Composition and Bone Mineral Density in Female-to-Male Transsexuals
Testosterone undecanoate increases lean mass and causes various physical changes in female-to-male transsexuals.
research Screen steroid 5 alpha-reductase inhibitors in vitro by high performance liquid chromatography
The method is quick and effective for testing steroid 5 alpha-reductase inhibitors.
research A rapid screening LC‐MS/MS method based on conventional HPLC pumps for the analysis of low molecular weight xenobiotics: application to doping control analysis
A quick method was developed to detect banned substances in urine for doping control.
research Steroidomics for highlighting novel serum biomarkers of testosterone doping
Monitoring steroid hormones in blood can better detect testosterone doping.
research A method for simultaneous analysis of androgens, dutasteride and finasteride in human serum by liquid chromatography tandem mass spectrometry
A new method was developed to analyze certain hormones and drugs in human blood efficiently.
research Hair follicle testing-an alternative to urinalysis for drug abuse screening
Hair follicle testing is more reliable and effective for drug screening than urinalysis.
research Effects of Testosterone on the Expression of Connexin 26 and Connexin 43 in the Uterus of Rats During Early Pregnancy
Testosterone changes important cell communication proteins in pregnant rats' uteruses, which might affect pregnancy success.
research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production
Testosterone's muscle-building effects do not require its conversion to DHT.
research Screening and confirmation methods of the major urinary metabolite of finasteride–carboxy-finasteride by liquid chromatography–mass spectrometry and liquid chromatography–tandem mass spectrometry
New methods can detect finasteride's major urinary metabolite in urine for up to 49 hours.
research Effects of Testosterone+Finasteride On Muscle After Spinal Cord Injury: A Randomized Double-Blind, Placebo-Controlled Pilot Study
Testosterone and finasteride improve muscle strength and size after spinal cord injury.
research 5α‐reductase inhibitors: Evaluation of their potential confounding effect on GC‐C‐IRMS doping analysis
5α-reductase inhibitors can interfere with doping tests by masking banned substances.
research SUN-195 Falsely Elevated Testosterone Levels: Role of LC-MS/MS in Reducing Unnecessary Testing
Using LC-MS/MS for hormone measurement can prevent false high testosterone results and avoid unnecessary tests.
research Development of Free Testosterone Chemiluminescence Detection Kit and Its Clinical Application
The new testosterone detection kit is accurate, cost-effective, and useful for diagnosing diseases.
research A Stability Indicating UPLC Method for Finasteride and Its Related Impurities
A new method effectively analyzes Finasteride and its impurities, even under stress conditions.
research [Effect of selective 5alpha-reductase inhibitor or/and testosterone undecanoate on the reproductive function of male rats].
Testosterone undecanoate can reduce the negative effects of Finasteride on male reproductive health.
research Follicular Unit Extraction
FUE is a less invasive hair transplant method suitable for many patients, but it has limitations and may not replace traditional techniques.
research In vitro [7-3H]-testosterone metabolism by the rat ventral prostate—Effect of some exogenous compounds
research Simultaneous determination of androgens and prostaglandins in human urine using ultra-high-performance liquid chromatography–tandem mass spectrometry
Researchers developed a reliable way to measure hormones in urine, showing that a baldness treatment doesn't change hormone levels.