Urine nandrolone metabolites: false positive doping test?
نویسندگان
چکیده
The aim of this review is to analyse the studies on nandrolone metabolism to determine if it is possible for an athlete to test positive for nandrolone without having ingested or injected nandrolone.
منابع مشابه
[C]Nandrolone Excretion in Trained Athletes: Interindividual Variability in Metabolism
Background: Nandrolone is one of the most abused anabolic steroids, and its use in doping is increasing, as revealed by numerous positive cases during recent years in various sports. Different authors have reported the possible natural production of nandrolone metabolites in humans, and some of these authors argued that exhaustive exercise could increase nandrolone production in the body or ind...
متن کامل[13C]Nandrolone excretion in trained athletes: interindividual variability in metabolism.
BACKGROUND Nandrolone is one of the most abused anabolic steroids, and its use in doping is increasing, as revealed by numerous positive cases during recent years in various sports. Different authors have reported the possible natural production of nandrolone metabolites in humans, and some of these authors argued that exhaustive exercise could increase nandrolone production in the body or indu...
متن کاملUrinary nandrolone metabolite detection after ingestion of a nandrolone precursor.
INTRODUCTION Quantities of various anabolic/androgenic steroids have been found in dietary supplements without their presence being disclosed on the label. The aim of this study was to quantify the excretion patterns of the diagnostic metabolites, 19-norandrosterone (19-NA), and 19-noretiocholanolone (19-NE) after ingestion of small doses of 19-nor-4-androstene-3,17-dione (19-norandrostenedione...
متن کاملInteractive Effects of the Carbon Paper, Sodium Bicarbonate and Oral Contraceptive Pills on Morphine Urine Test
Abstract Background and objectives: A major problem for labs. esp. medico legal centers is drug test false positive and negative results. Using carbon paper, sodium bicarbonate or oral contraceptive pills (OCP) are common among addict people to make the results negative. Therefore, we decided to evaluate the effect of carbon paper, sodium bicarbonate or OCP on morphine urine test. Material and ...
متن کاملRetraining over the principles and mechanisms involved in the occurrence of false results from urine drug screening tests: Adulteration and strategies to defeat
Screening tests (UDSTs) for the diagnosis of psychoactive drugs can identify drug abuse, improve workplace safety, ensure community health, and play a critical role in therapeutic drug monitoring. Nonetheless, correct interpretation of the results of these tests requires a full awareness of the principles of testing methods, drug kinetics, and various leading causes of false results. Among the ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- British journal of sports medicine
دوره 36 5 شماره
صفحات -
تاریخ انتشار 2002