Anabolic steroids: Metabolism, doping and detection in equestrian and human sports
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Abstract
References (161)
American Journal of Veterinary Research.
1940 • 4,386 citations
Solid-Phase Radioimmunoassay of Estradiol-17β
1969 • 837 citations
Tandem Mass Spectrometry
2008 • 659 citations
Estimated Prevalence of Anabolic Steroid Use Among Male High School Seniors
1988 • 529 citations
Affective and psychotic symptoms associated with anabolic steroid use
1988 • 492 citations
Anabolic steroids: A review of the literature
1984 • 450 citations
Androgen Abuse by Athletes
1988 • 433 citations
Clarke's Isolation and Identification of Drugs
1987 • 412 citations
Myotrophic Activity of 19-Nortestosterone and Other Steroids Determined by Modified Levator Ani Muscle Method.
1953 • 386 citations
Homicide and near-homicide by anabolic steroid users.
1990 • 354 citations
Tandem Mass Spectrometry
1981 • 348 citations
Anabolic-Androgenic Steroid Use in the United States
1993 • 321 citations
Metabolism of anabolic steroids in man: synthesis and use of reference substances for identification of anabolic steroid metabolites
1993 • 292 citations
International Journal Of Sports Medicine
2014 • 278 citations
Tandem mass spectrometry (MS/MS): a promising new analytical technique for specific component determination in complex mixtures
1980 • 188 citations
Gas chromatography/combustion/isotope‐ratio mass spectrometry analysis of urinary steroids to detect misuse of testosterone in sport
1994 • 182 citations
Baillière's clinical endocrinology and metabolism
1998 • 178 citations
Studies on anabolic steroids
1989 • 173 citations
Violence Toward Women and Illicit Androgenic-Anabolic Steroid Use
1994 • 156 citations
Metabolism of Steroid Hormones.
1966 • 136 citations
Zur Darstellung von Trimethylsilyl-, Triethylsilyl- und tert.-Butyldimethylsilyl-enoläthern von Ketosteroiden für gas-chromatographische und massenspektrometrische Untersuchungen
1980 • 135 citations
Anabolic steroids: A review of their effects on the muscles, of their possible mechanisms of action and of their use in athletics
1992 • 120 citations
Analytical chemistry at the Games of the XXIIIrd Olympiad in Los Angeles, 1984.
1987 • 115 citations
Anabolic steroids: the gremlins of sport.
1987 • 113 citations
Clinical Sports Medicine
2006 • 110 citations
Criteria to indicate testosterone administration.
1990 • 107 citations
Determination of boldenone sulfoconjugate and related steroid sulfates in equine urine by high-performance liquid chromatography/tandem mass spectrometry
1988 • 100 citations
Glucocorticoid antagonism by exercise and androgenic-anabolic steroids
1990 • 98 citations
Metabolism of stanozolol: Identification and synthesis of urinary metabolites
1990 • 96 citations
THE SO-CALLED 'LEVATOR ANI' OF THE RAT
1965 • 95 citations
Advances in steroid analysis
1983 • 92 citations
Long-term administration of testosterone enanthate to normal men: Alterations of the urinary profile of androgen metabolites potentially useful for detection of testosterone misuse in sport
1993 • 92 citations
The Veterinary Clinics of North America
2003 • 90 citations
Senstitive multi-residue method for detection of anabolics in urine and in tissues of slaughtered animals
1979 • 88 citations
Anabolic Steroids in the Athlete
1991 • 85 citations
Detection of anabolic steroids by radioimmunoassay.
1975 • 82 citations
High-performance liquid chromatography/tandem mass spectrometry: Its use for the identification of stanozolol and its major metabolites in human and equine urine
1990 • 81 citations
Metabolism of metandienone in man: Identification and synthesis of conjugated excreted urinary metabolites, determination of excretion rates and gas chromatographic-mass spectrometric identification of bis-hydroxylated metabolites
1991 • 80 citations
A new method for hydrolyzing sulfate and glucuronyl conjugates of steroids
1989 • 79 citations
Differences in the biotransformation of a 17β-hydroxylated steroid, trenbolone acetate, in rat and cow
1981 • 79 citations
Relative binding affinities of testosterone, 19-nortestosterone and their 5α-reduced derivatives to the androgen receptor and to other androgen-binding proteins: a suggested role of 5α-reductive steroid metabolism in the dissociation of “myotropic” and “androgenic” activities of 19-nortestosterone
1982 • 78 citations
Studies on Testosterone Metabolism
1964 • 78 citations
Immunoaffinity chromatography, its applicability and limitations in multi-residue analysis of anabolizing and doping agents
1991 • 74 citations
Determination of methandrostenolone and its metabolites in equine plasma and urine by coupled-column liquid chromatography with ultraviolet detection and confirmation by tandem mass spectrometry
1989 • 73 citations
Gas chromatographic - mass spectrometric methods for the detection and identification of anabolic steroid drugs.
1975 • 72 citations
Anabolic steroid use among students at a British college of technology.
1993 • 72 citations
Detection of anabolic steroid administration to athletes
1979 • 71 citations
Studies on anabolic steroids. The mass spectra of 17α-methyl-17β-hydroxy-1,4-androstadien-3-one (dianabol) and its metabolites
1980 • 69 citations
Metabolism of Epitestosterone in Man1
1966 • 69 citations
Excretion of Steroid Hormones in Adults
1970 • 66 citations
Mass Spectrometry: Application to Steroid and Peptide Research*
1985 • 65 citations
Determination of β-19-nortestosterone and its metabolite α-19-nortestosterone in biological samples at the sub parts per billion level by high-performance liquid chromatography with on-line immunoaffinity sample pretreatment
1989 • 65 citations
Studies on anabolic steroids
1989 • 64 citations
Rapid identification of drug metabolites with tandem mass spectrometry
1988 • 63 citations
Metabolism of boldenone in man: Gas chromatographic/mass spectrometric identification of urinary excreted metabolites and determination of excretion rates
1992 • 62 citations
Helix pomatia induced conversion of some 3β-hydroxysteroids
1984 • 61 citations
80. Hydroaromatic steroid hormones. Part I. 10-Nortestosterone
1950 • 60 citations
Studies related to the metabolism of anabolic steriods in the horse: The metabolism of 1-dehydrotestosterone and the use of fast atom bombardment mass spectrometry in the identification of steroid conjugates
1983 • 59 citations
RISING PLASMA LEVELS OF 19-NORTESTOSTERONE THROUGHOUT PREGNANCY : DETERMINATION BY RADIOIMMUNOASSAY AND VALIDATION BY GAS CHROMATOGRAPHY – MASS SPECTROMETRY.
1987 • 58 citations
Effect of administration of human chorionic gonadotrophin on criteria used to assess testosterone administration in athletes
1991 • 57 citations
Effective monitoring of residues of nortestosterone and its major metabolite in bovine urine and bile
1989 • 57 citations
The identification of C-18 neutral steroids in normal stallion urine
1984 • 54 citations
Peptide hormones and sport: Misuse and detection
1992 • 53 citations
The analysis of trenbolone and the human urinary metabolites of trenbolone acetate by gas chromatography/mass spectrometry and gas chromatography/tandem mass spectrometry
1991 • 53 citations
Gas chromatographic/mass spectrometric analysis of 19-nortestosterone urinary metabolites in man
1985 • 52 citations
On the origin of physiologically high ratios of urinary testosterone to epitestosterone: consequences for reliable detection of testosterone administration by male athletes
1994 • 51 citations
Secretion by the human testis of epitestosterone, with its sulfoconjugate and precursor androgen 5-androstene-3β,17α-diol
1993 • 51 citations
Detection of Testosterone Administration by Increased Ratio Between Serum Concentrations of Testosterone and 17 Alpha-Hydroxyprogesterone
1992 • 50 citations
Studies related to the metabolism of anabolic steroids in the horse: testosterone
1979 • 49 citations
Epitestosterone: Isolation from human urine and experiments on possible precursors
1964 • 49 citations
Studies related to the metabolism of anabolic steroids in the horse: the identification of some 16-oxygenated metabolites of 19-nortestosterone
1980 • 49 citations
Studies Related to the Metabolism of Anabolic Steroids in the Horse: 19-Nortestosterone
1977 • 48 citations
Excretion of Steroid Hormones in Adults
1970 • 48 citations
Gas chromatographic and capillary column gas chromatographic—mass spectrometric determination of synthetic anabolic steroids
1978 • 47 citations
Multi-immunoaffinity chromatography: A simple and highly selective clean-up method for multi-anabolic residue analysis of meat
1989 • 46 citations
Conversion of free 3β-hydroxy-5-ene-steroids by incubation with Helix pomatia
1982 • 44 citations
The development of a gas chromatographic/mass spectrometric screening procedure to detect the administration of anabolic steroids to the horse
1991 • 43 citations
Detection and identification of anabolic steroids in bovine urine by gas chromatography—mass spectrometry
1993 • 43 citations
Studies related to the metabolism of anabolic steroids in the horse: the identification of some 16-oxygenated metabolites of testosterone and a study of the phase II metabolism
1981 • 43 citations
In vivo metabolism of Δ, 17α-methyltestosterone in man
1963 • 40 citations
New decision limits and quality-control material for detecting human chorionic gonadotropin misuse in sports
1994 • 40 citations
Application of gas chromatography/mass spectrometry to steroid analysis in equine sports: Problems with enzyme hydrolysis
1992 • 39 citations
Influence of the consumption of meat contaminated with anabolic steroids on doping tests
1993 • 38 citations
GC and Capillary Column GC/MS Determination of Synthetic Anabolic Steroids II. 4-Chloro-Methandienone (Oral Turinabol) and Its Metabolites
1983 • 38 citations
Effect of ethanol on the ratio between testosterone and epitestosterone in urine.
1988 • 38 citations
7 Testicular steroidogenesis and androgen use and abuse
1992 • 38 citations
Human chorionic gonadotrophin and sport.
1991 • 37 citations
Anti-androgenic activity of 17,17-dimethyl-18-norandrost-13-enes
1964 • 37 citations
Possible indices for the detection of the administration of dihydrotestosterone to athletes
1992 • 37 citations
Isolation of Urinary Metabolites of 17α-Methyltestosterone
1962 • 37 citations
Studies on anabolic steroids—12. Epimerization and degradation of anabolic 17β-sulfate-17α-methyl steroids in human: Qualitative and quantitative GC/MS analysis
1992 • 37 citations
Capillary gas chromatographic—mass spectrometric detection of anabolic steroids
1983 • 35 citations
Detection of Androgenic Anabolic Steroids in Urine
1987 • 35 citations
Studies on anabolic steroidsII—gas chromatographic/mass spectrometric characterization of oxandrolone urinary metabolites in man
1989 • 35 citations
Effect of ethanol on the ratio between testosterone and epitestosterone in urine.
1988 • 34 citations
Studies related to the metabolism of anabolic steroids in the horse: The phase I and phase II biotransformation of 19-nortestosterone in the equine castrate
1984 • 34 citations
Biotransformation of 1-dehydrotestosterone in the equine male castrate: Identification of the neutral unconjugated and glucuronic acid conjugated metabolites in horse urine
1988 • 34 citations
Steroids in equine testes: the identification of endogenous 19-hydroxy and 19-nor neutral steroids by gas chromatography–mass spectrometry
1989 • 33 citations
Determination of 19-nortestosterone, testosterone and trenbolone by gas chromatography—negative-ion mass spectrometry after formation of the pentafluorobenzylcarboxymethoxime—trimethylsilyl derivatives
1991 • 33 citations
Test strip enzyme immunoassays and the fast screening of nortestosterone and clenbuterol residues in urine samples at the parts per billion level
1991 • 33 citations
Recent Developments in the Toxicology of Anabolic Steroids
1990 • 33 citations
Preliminary study of the metabolism of 17α-methyltestosterone in horses utilizing gas chromatography–mass spectrometric techniques
1994 • 33 citations
Potential use of ketoconazole in a dynamic endocrine test to differentiate between biological outliers and testosterone use by athletes.
1993 • 33 citations
Effects of nandrolone phenylpropionate in the horse: (3) Skeletal muscle composition in the exercising animal
1982 • 32 citations
The identification of 17α-hydroxy-17-methyl-1,4-androstadien-3-one as a metabolite of the anabolic steroid drug 17β-hydroxy-17-methyl-1,4-androstadien-3-one in man
1971 • 32 citations
Studies on anabolic steroids—4. Identification of new urinary metabolites of methenolone acetate (primobolan®) in human by gas chromatography/mass spectrometry
1990 • 31 citations
Determination of urinary testosterone and epitestosterone during pubertal development: a cross‐sectional study in 141 normal male subjects
1993 • 31 citations
Detection of simultaneous self-administration of testosterone and epitestosterone in healthy men
1994 • 30 citations
Clostebol-positive urine after consumption of contaminated meat.
1992 • 29 citations
Androgenic steroid effects on serum hormones and on maximal force development in strength athletes.
1987 • 29 citations
Studies on anabolic steroids. 9. Tertiary sulfates of anabolic 17α-methyl steroids: synthesis and rearrangement
1992 • 29 citations
Detection of 19-nortestosterone and its urinary metabolites in miniature pigs by gas chromatography—mass spectrometry
1991 • 28 citations
Studies on anabolic steroids—11. 18-hydroxylated metabolites of mesterolone, methenolone and stenbolone: New steroids isolated from human urine
1992 • 27 citations
Doping Control of Testosterone and Human Chorionic Gonadotrophin: A Case Study
1991 • 27 citations
Effects of nandrolone phenylpropionate in the horse: (2) General effects in animals undergoing training
1982 • 27 citations
Clostebol-Positive Urine after Consumption of Contaminated Meat
1992 • 26 citations
On-line high-performance liquid chromatographic diode array spectrophotometric analysis of steroidal hormones in illegal preparations
1989 • 26 citations
Potential use of ketoconazole in a dynamic endocrine test to differentiate between biological outliers and testosterone use by athletes
1993 • 24 citations
Immunoaffinity chromatography combined with gas chromatography—negative ion chemical ionisation mass spectrometry for the confirmation of flumethasone abuse in the equine
1993 • 24 citations
Metabolism of 17β,19-nortestosterone in urine of calves after oral intake and intramuscular administration
1993 • 24 citations
NOR-ANDROSTENOLONEPHENYLPROPIONATE, A NEW POTENT ANABOLIC ESTER
1957 • 23 citations
Establishing a ketoconazole suppression test for verifying testosterone administration in the doping control of athletes.
1994 • 23 citations
Non-Suitability of Levator Ani Method as an Index of Anabolic Effect of Steroids
1957 • 22 citations
Radioimmunoassay of anabolic steroids: an evaluation of three antisera for the detection of anabolic steroids in biological fluids.
1977 • 21 citations
Analytical aspects of drug testing
1989 • 21 citations
MODEL STUDIES IN VITRO WITH LONG-ACTING HORMONAL PREPARATIONS
1970 • 21 citations
Short-column gas chromatography/tandem mass spectrometry for the detection of underivatized anabolic steroids in urine
1994 • 20 citations
[The metabolism of steroid hormones].
1966 • 20 citations
Disposition of 17β-trenbolone in humans
1991 • 19 citations
Thin-layer chromatographic method for the detection of anabolics in fatty tissues
1989 • 18 citations
Metabolic Effects of Anabolic-Androgenic Steroids in Experimental Animals
1976 • 18 citations
19-Nortestosterone, a Model for the Use of Anabolic Steroid Conjugates in Raising Antibodies for Radioimmunoassay
1977 • 18 citations
Detection of the administration of anabolic preparations of nandrolone to the entire male horse
1986 • 18 citations
Rapid screening and confirmation for drugs and metabolites in racing animals by tandem mass spectrometry.
1984 • 18 citations
Effects of nandrolone phenylpropionate in the horse: (1) Resting animal
1982 • 17 citations
Practical aspects of screening of anabolic steroids in doping control with particular accent to nortestosterone radioimmunoassay using mixed antisera
1979 • 17 citations
Studies on anabolic steroids—6. Identification of urinary metabolites of stenbolone acetate (17β-acetoxy-2-methyl-5α-androst-1-en-3-one) in human by gas chromatography/mass spectrometry
1991 • 17 citations
Drug-delivery systems and the biological activity of steroids
1975 • 16 citations
Structure and effects of anabolic steroids
1975 • 16 citations
Pharmacokinetics of anabolic steroids.
1993 • 16 citations
Effect of the biological matrix on the urinary testosterone/epitestosterone ratio measured by gas chromatography/mass spectrometry in doping analysis
1993 • 16 citations
Quantitative analysis of anabolics on thin-layer chromatographic plates using image analysis techniques
1989 • 15 citations
Radioimmunoassay Technique for Detecting Urinary Excretion Products after Administration of Synthetic Anabolic Steroids to the Horse
1978 • 15 citations
A radioimmunoassay for the metabolites of the anabolic steroid nandrolone
1988 • 14 citations
Effect on sports drug tests of ingesting meat from steroid (methenolone)-treated livestock.
1994 • 14 citations
Athletics
1976 • 13 citations
Studies on anabolic steroids. 10. Synthesis and identification of acidic urinary metabolites of oxymetholone in a human11Part 9 of this paper is in press (itSteroids vol 57, 1992).
1992 • 13 citations
Quantification of steroid conjugates using fast atom bombardment mass spectrometry
1990 • 13 citations
The use of stable isotopes and gas chromatography/mass spectrometry in the identification of steroid metabolites in the equine
1990 • 12 citations
Establishing a ketoconazole suppression test for verifying testosterone administration in the doping control of athletes
1994 • 11 citations
[Metabolism of steroid drugs. IV. Isolation and identification of a dihydroxylated metabolite of 4-chlorine-17 alpha-methyl-17 beta-hydroxy-1,4-androstadien-3-on].
1970 • 11 citations
Disposition of 17 beta-trenbolone in humans.
1991 • 11 citations
Combined high-performance liquid chromatography and radioimmunoassay for the screening of 19-nortestosterone and methyltestosterone residues in meat samples
1991 • 10 citations
Use of an immobilized enzyme reactor for the analysis of residues of 17α-methyltestosterone in trout by high-performance liquid chromatography
1991 • 9 citations
Determination of 19-nortestosterone in finnish boar plasma and urine samples
1993 • 8 citations
Androgen binding and androgen effect in the rat seminal vesicles: Studies with testosterone and 19-nortestosterone
1979 • 8 citations
Effect on sports drug tests of ingesting meat from steroid (methenolone)-treated livestock
1994 • 8 citations
Methandrostenolone metabolism in humans: Potential problems associated with isolation and identification of metabolites
1990 • 7 citations
Evaluation of long-acting anabolic steroids
1962 • 6 citations
Plasma concentrations and urinary excretion of nandrolone and/or its metabolites after intramuscular injection of nandrolone phenylpropionate to horses
1982 • 5 citations
Metabolism of anabolic agents in the racing greyhound
1993 • 5 citations