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.
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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
Finasteride affects urinary steroid profiles and can potentially hide steroid abuse in sports drug testing.
research The 39th Manfred Donike Workshop on Doping Analysis
The 39th Manfred Donike Workshop discussed methods for detecting misuse of steroids, gene doping, and the complexity of identifying drug residues in urine, highlighting the ongoing efforts to improve global anti-doping work.
research Influence of Saw Palmetto and Pygeum Africana Extracts on the Urinary Concentrations of Endogenous Anabolic Steroids: Relevance to Doping Analysis
Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
research Testosterone and Doping Control
The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.
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 Modeling the Pharmacodynamics of Nandrolone Doping Drug and Implications for Anti-Doping Testing
The document concludes that finasteride can reduce nandrolone detection in doping tests, suggesting frequent testing and setting metabolite level thresholds for detection.
research Long-Term Detection of Methyltestosterone Use by a Yeast Transactivation System
A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
research Biochemical Roles of Testosterone and Epitestosterone to 5α-Reductase as Indicators of Male-Pattern Baldness
High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
research Intracrine Androgen Biosynthesis, Metabolism, and Action Revisited
The document concludes that blocking the internal pathways that create androgens might help treat cancers that depend on sex hormones.
research The Role of 5-Alpha-Reductase Inhibition in Suppressing Progression of Male Androgenetic Alopecia and the Potential Application of Saw Palmetto Extracts
Saw palmetto extracts might help treat male hair loss and need more research.
research The Androgen Receptor and Its Use in Biological Assays: Looking Toward Effect-Based Testing and Its Applications
Scientists have developed a new method to detect steroid abuse in athletes using cell-based tests, which could be the future of anti-doping methods.
research Metabolic Study of Androsta-1,4,6-Triene-3,17-Dione in Horses Using Liquid Chromatography/High Resolution Mass Spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
research A New Label-Free Screen for Steroid 5α-Reductase Inhibitors Using LC-MS
Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
research Simultaneous Quantitation of Nine Hydroxy-Androgens and Their Conjugates in Human Serum by Stable Isotope Dilution Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry
A new method accurately measures nine specific hormones in human blood.
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 Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research Stability-Indicating Micellar Electrokinetic Chromatography Method for Determination of Finasteride in Pharmaceutical Preparations
Method accurately measures finasteride concentration in medicine.
research Prostate-Specific Antigen as a Marker of Hyperandrogenism in Women and Its Implications for Antidoping
PSA levels could help detect illegal steroid use in female athletes but face challenges like cost and PCOS prevalence.
research Steroidomics for Highlighting Novel Serum Biomarkers of Testosterone Doping
Monitoring steroid hormones in blood can better detect testosterone doping.
research Gender Differences in Skin Aging and the Changing Profile of the Sex Hormones with Age
The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.
research A Review on Forensic Toxicological Analysis of Drugs in Hair Using Various Instrumental Techniques
Hair analysis is better than urine and blood for detecting past drug use.
research Consequences of Anabolic-Androgenic Steroid Abuse in Males: Results From a Meta-Analysis Study
Anabolic-androgenic steroids harm male hormone levels, sperm, metabolism, and can cause acne, hair loss, and breast growth.
research Optimization of LC Method for the Determination of Testosterone and Epitestosterone in Urine Samples for Biomedical and Anti-Doping Research
Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
research Indirect Clinical Markers for the Detection of Anabolic Steroid Abuse Beyond Conventional Doping Control in Athletes
New signs like changes in blood markers, physical symptoms, and behavioral shifts may help detect hidden steroid use in athletes.
research Issues About Axial Diffusion During Segmental Hair Analysis
Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
research Hair Analysis for Veterinary Drug Monitoring in Livestock Production
Hair analysis is promising for detecting drug misuse in livestock.
research Female Doping: Observations From a Data Lake Study in the Hospital District of Helsinki and Uusimaa, Finland
Many women who have used performance-enhancing drugs in Finland show high rates of mental health and substance use issues, and most have normal red blood cell counts.
research Hair
Hair analysis can detect drug use but is costly and interpretation is complex.
research Novel Uses for the Anabolic Androgenic Steroids Nandrolone and Oxandrolone in the Management of Male Health
Nandrolone and oxandrolone could help treat male health issues like muscle loss and low testosterone.