Sensitivity and specificity of detection methods for erythropoietin doping in cyclists.

abstract：:Three legal highs; nitracaine (3-(diethylamino)-2,2-dimethylpropyl 4-nitrobenzoate), methoxypiperamide (MEOP, (4-methoxyphenyl)(4-methylpiperazin-1-yl)methanone) and mephtetramine (MTTA, 2-((methylamino)methyl)-3,4-dihydronaphthalen-1(2H)-one) appeared in 2013 as new psychoactive substances (NPS) on Internet websites ...

journal_title：Drug testing and analysis

authors： Power JD,Scott KR,Gardner EA,Curran McAteer BM,O'Brien JE,Brehon M,Talbot B,Kavanagh PV

更新日期：2014-07-01 00:00:00

abstract：:Development of a mass spectrometric method for the unambiguous detection of doping with recombinant human erythropoietins (rhEPO) has been attempted for many years. Unfortunately, progress in this field was hampered by the unavailability of highly purified human endogenous EPOs (urinary[uhEPO], serum/plasma EPO)--a pr...

journal_title：Drug testing and analysis

authors： Reichel C

更新日期：2013-11-01 00:00:00

abstract：:Flubromazolam is a triazole benzodiazepine with high potency and long-lasting central nervous system depressant effects; however, limited data about its pharmacokinetics are available. Here, we report in vitro studies of the human flubromazolam metabolism analyzed by liquid chromatography high-resolution mass spectrom...

journal_title：Drug testing and analysis

authors： Noble C,Mardal M,Bjerre Holm N,Stybe Johansen S,Linnet K

更新日期：2017-08-01 00:00:00

abstract：:The effectiveness of doping control in sport has been improved continuously during the past 50 years. One of the major steps forward was the introduction of unannounced and targeted out-of-competition testing in order to control the misuse of anabolic-androgenic steroids (AAS), mainly during the end of the 1980s. It a...

journal_title：Drug testing and analysis

authors： Hemmersbach P

更新日期：2020-05-01 00:00:00

abstract：:The annual update of the list of prohibited substances and doping methods as issued by the World Anti-Doping Agency (WADA) allows the implementation of most recent considerations of performance manipulation and emerging therapeutics into human sports doping control programmes. The annual banned-substance review for hu...

journal_title：Drug testing and analysis

authors： Thevis M,Kuuranne T,Geyer H,Schänzer W

更新日期：2010-04-01 00:00:00

abstract：:In Italy, Workplace Drug Testing (WDT) has been compulsory by law for specific categories of workers since 2008, offering the opportunity to compare studies conducted within a single regulatory framework. The aims of this paper are to estimate the overall prevalence of WDT positivity (at screening survey) among Italia...

journal_title：Drug testing and analysis

authors： Rosso GL,Montomoli C,Morini L,Candura SM

更新日期：2017-06-01 00:00:00

abstract：:The advent of liquid chromatography-tandem mass spectrometry (LC-MS/MS), with the sensitivity it confers, permits the analysis of both phase I and II drug metabolites that in the past would have been difficult to target using other techniques. These metabolites may have relevance to current analytical toxicology emplo...

journal_title：Drug testing and analysis

authors： Turfus SC,Braithwaite RA,Cowan DA,Parkin MC,Smith NW,Kicman AT

更新日期：2011-10-01 00:00:00

abstract：:The present study was designed to provide preliminary information on the potential impact of metabolic drug-drug interaction on the effectiveness of doping control strategies currently followed by the anti-doping laboratories to detect the intake of prohibited agents. In vitro assays based on the use of human liver mi...

journal_title：Drug testing and analysis

authors： Mazzarino M,de la Torre X,Fiacco I,Botrè F

更新日期：2014-10-01 00:00:00

abstract：:Anabolic-androgenic steroids are synthetic compounds prohibited due to their performance-enhancing characteristics. The use of these substances is known to cause health-related issues, which highlights the importance of being able to evaluate the scale of consumption by the general population. However, most available ...

journal_title：Drug testing and analysis

authors： Shimko KM,O'Brien JW,Barron L,Kayalar H,Mueller JF,Tscharke BJ,Choi PM,Jiang H,Eaglesham G,Thomas KV

更新日期：2019-07-01 00:00:00

abstract：:The evolving nature of new psychoactive substances (NPS) - often referred to as 'legal highs', 'designer drugs' or 'bath salts' - presents an evolving challenge for toxicologists. Apart from the detection and identification of these compounds, further analytical challenges may arise from the presence of possible metab...

journal_title：Drug testing and analysis

authors： Soh YN,Elliott S

更新日期：2014-07-01 00:00:00

abstract：:Knowing that polyunsaturated fatty acids can lead to the formation of potentially toxic aldehydes as secondary oxidation products, an analytical method using liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) detection was developed to measure the concentration of eight aldehydes in animal feed: malo...

journal_title：Drug testing and analysis

authors： Douny C,Bayram P,Brose F,Degand G,Scippo ML

更新日期：2016-05-01 00:00:00

abstract：:Oral fluid (OF) is an important matrix for monitoring drugs. Smoking cannabis is common, but vaporization and edible consumption also are popular. OF pharmacokinetics are available for controlled smoked cannabis, but few data exist for vaporized and oral routes. Frequent and occasional cannabis smokers were recruited ...

journal_title：Drug testing and analysis

authors： Swortwood MJ,Newmeyer MN,Andersson M,Abulseoud OA,Scheidweiler KB,Huestis MA

更新日期：2017-06-01 00:00:00

abstract：:In the field of natural extracts, research generally focuses on the study of their biological activities for food, cosmetic, or pharmacological purposes. The evaluation of their adverse effects is often overlooked. In this study, the extracts of Thymus vulgaris L. were obtained by two different extraction methods. Int...

journal_title：Drug testing and analysis

authors： Benourad F,Kahvecioglu Z,Youcef-Benkada M,Colet JM

更新日期：2014-10-01 00:00:00

abstract：:Selective androgen receptor modulators (SARMs) are a group of anabolic enhancer drugs posing threats to the integrity of animal sports and the safety of animal-derived foods. The current research describes for the first time the development of a semi-quantitative assay for the monitoring of SARM family compounds in bl...

journal_title：Drug testing and analysis

authors： Ventura E,Gadaj A,Buckley T,Mooney MH

更新日期：2020-09-01 00:00:00

abstract：:Prenylamine is a vasodilator of phenylalkylamine structure and was used for the treatment of angina pectoris, until reports of undesirable effects including ventricular tachycardia led to a decreasing use of the drug in the 1980s. Metabolic N-dealkylation of orally ingested prenylamine can liberate amphetamine in huma...

journal_title：Drug testing and analysis

authors： Beuck S,Sigmund G,Koch A,Schänzer W,Pokrywka A,Kwiatkowska D,Thevis M

更新日期：2012-09-01 00:00:00

abstract：:To date, substances such as Mildronate (Meldonium) are not on the radar of anti-doping laboratories as the compound is not explicitly classified as prohibited. However, the anti-ischemic drug Mildronate demonstrates an increase in endurance performance of athletes, improved rehabilitation after exercise, protection ag...

journal_title：Drug testing and analysis

authors： Görgens C,Guddat S,Dib J,Geyer H,Schänzer W,Thevis M

更新日期：2015-11-01 00:00:00

abstract：:Evidence of the continuous rise of novel doping agents and novel doping strategies calls for the development of more accurate multi-target screening methods. Direct multi-target screening approaches are restricted to the targeted substances and their turnover. The development of effective "indirect" screening methods ...

journal_title：Drug testing and analysis

authors： Narduzzi L,Dervilly G,Audran M,Le Bizec B,Buisson C

更新日期：2020-06-01 00:00:00

abstract：:The presence of erythropoiesis stimulating agents (ESAs) in the urine samples collected from athletes is detected using traditional Western blotting following either size-based separation (SDS/SAR-PAGE) or isoelectric focusing (IEF). Although there is an important testing effort, there is little doubt that ESAs are st...

journal_title：Drug testing and analysis

authors： Desharnais P,Naud JF,Ayotte C

更新日期：2018-11-01 00:00:00

abstract：:The objective of the present work was (1) to develop an in situ gelling ophthalmic delivery system by combining pluronic F127 and pluronic F68, with sparfloxacin; and (2) to examine the influence of incorporating a mucoadhesive polysaccharide such as sodium hyaluronate on the healing property due to bacterial keratiti...

journal_title：Drug testing and analysis

authors： Nesseem DI

更新日期：2011-02-01 00:00:00

abstract：:Addiction is a complex disorder with interacting factors, including environmental factors, drug-induced neurobiological changes, comorbidity, personality traits and stress responsivity. Numerous genetic variants that affect these factors may work in concert to affect vulnerability and severity of addiction. Traditiona...

journal_title：Drug testing and analysis

authors： Fattore L

更新日期：2013-01-01 00:00:00

abstract：:The detection of drug abuse in horseracing often requires knowledge of drug metabolism, especially if urine is the matrix of choice. In this study, equine liver/lung microsomes/S9 tissue fractions were used to study the phase I metabolism of eight drugs of relevance to equine drug surveillance (acepromazine, azaperone...

journal_title：Drug testing and analysis

authors： Scarth JP,Spencer HA,Timbers SE,Hudson SC,Hillyer LL

更新日期：2010-01-01 00:00:00

abstract：:Synthetic cannabinoids are a group of psychoactive drugs presently widespread among drug users in Europe. Analytical methods to measure these compounds in urine are in demand as urine is a preferred matrix for drug testing. For most synthetic cannabinoids, the parent compounds are rarely detected in urine. Therefore u...

journal_title：Drug testing and analysis

authors： Vikingsson S,Gréen H,Brinkhagen L,Mukhtar S,Josefsson M

更新日期：2016-09-01 00:00:00

abstract：:Even though hair analysis often seems to be the best choice for retrospective monitoring of cocaine intake, differentiating between incorporated cocaine and external contamination is widely debated. In this study we report results obtained in 90 hair samples from addicts. All samples were analyzed for cocaine, benzoyl...

journal_title：Drug testing and analysis

authors： Gambelunghe C,Rossi R,Aroni K,Gili A,Bacci M,Pascali V,Fucci N

更新日期：2017-02-01 00:00:00

abstract：:The synthetic tryptamine 5-methoxy-N-methyl-N-isopropyltryptamine (5-MeO-MiPT) has recently been abused as a hallucinogenic drug in Germany and Switzerland. This study presents a case of 5-MeO-MiPT intoxication and the structural elucidation of metabolites in pooled human liver microsomes (pHLM), blood, and urine. Mic...

journal_title：Drug testing and analysis

authors： Grafinger KE,Hädener M,König S,Weinmann W

更新日期：2018-03-01 00:00:00

abstract：:Harm reduction services, including needle-exchange programmes, have been implemented in Switzerland for over 20 years. Their main aim is to lessen the negative social and/or physical consequences associated with illicit drug consumption and, therefore, improve prevention messages. To this end, knowledge of illicit dru...

journal_title：Drug testing and analysis

authors： Lefrançois E,Augsburger M,Esseiva P

更新日期：2018-05-01 00:00:00

abstract：:The steroid profile (SP) is a powerful tool to detect the misuse of endogenous anabolic androgenic steroids in sports, and it is included in the Athlete Biological Passport (ABP). Glucocorticoids (GCs), which are widely prescribed in sports and only prohibited in competition by systemic routes, inhibit the hypothalami...

journal_title：Drug testing and analysis

authors： Coll S,Matabosch X,Garrostas L,Perez-Maña C,Ventura R

更新日期：2018-06-01 00:00:00

abstract：:Rocuronium bromide is a non-depolarizing neuromuscular blocking agent that causes rapid muscle relaxation after intravenous injection. Regulatory authorities for registration of pharmaceuticals for human use require the evaluation of the stability of active compounds under various stress conditions. Forced degradation...

journal_title：Drug testing and analysis

authors： Wegener O,Harms G,Volmer DA,Hayen H

更新日期：2015-09-01 00:00:00

abstract：:Xenon is a modern inhalative anaesthetic with a very low solubility in tissues providing rapid elimination and weaning from anaesthesia. Besides its anaesthetic properties, Xenon promotes the endogenous erythropoietin biosynthesis and thus has been enlisted as prohibited substance by the World Anti-Doping Agency (WADA...

journal_title：Drug testing and analysis

authors： Schaefer MS,Piper T,Geyer H,Schneemann J,Neukirchen M,Thevis M,Kienbaum P

更新日期：2017-05-01 00:00:00

abstract：:Doping with natural steroids can be detected by evaluating the urinary concentrations and ratios of several endogenous steroids. Since these biomarkers of steroid doping are known to present large inter-individual variations, monitoring of individual steroid profiles over time allows switching from population-based to...

journal_title：Drug testing and analysis

authors： Van Renterghem P,Van Eenoo P,Sottas PE,Saugy M,Delbeke F

更新日期：2010-11-01 00:00:00

abstract：:A sensitive and selective ultra fast liquid chromatography (UFLC) method has been developed and validated for the determination of a potent and novel antitubercular compound S006-830 in Sprague Dawley (SD) rat plasma. Samples were extracted and processed by protein precipitation method using acetonitrile. Chromatograp...

journal_title：Drug testing and analysis

authors： Singh Y,Hidau MK,Misra A,Kushwaha HN,Tiwari A,Sharma AK,Singh SK

更新日期：2015-08-01 00:00:00