drugs in sport - royal society of biology · pdf filedrugs in sport david r. mottram ... the...
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Liverpool John Moores University 1
DRUGS IN SPORT
David R. MottramLiverpool John Moores University
andUK Anti-Doping Accredited Tutor
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Overview
WADAThe Prohibited ListTestingExtent of useSupplementsLondon 2012 Olympics
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Performance Enhancement - A Recent Development?
The ancient Greeks used mushroomsRoman wrestlers used mixtures of herbsIn ancient Egypt, the rear hooves of the Abyssinian Ass was the prescription of choice.
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WHY DRUGS ARE USED IN SPORT
Therapeutic UseLong-term conditions (e.g. diabetes)Short-term conditions (e.g. common cold)Treatment of sport’s injury
“Recreational” UsePerformance Enhancement
Supplements (nutritional and ergogenic)Prohibited substances
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Doping control is the responsibility of the World Anti-Doping Agency (WADA)
Set up in 1999 to harmonise doping controlWADA's Anti-Doping Code has been accepted by almost allstakeholders
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Key Roles
• World Anti-Doping Code• Prohibited List of Substances and Methods
In-CompetitionOut-of-Competition
• Therapeutic Use Exemptions• Sanctions
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THE PROHIBITED LIST
What are the criteria for including substances
and methods on the Prohibited List?
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• Potential to enhance or enhances sports performance
• Actual or potential health risk to the player
• Use violates the spirit of sport
PROHIBITED LIST
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WADA Prohibited List (January 2012)I Substances and Methods Prohibited at all Times (In- and Out-of-Competition)S.0 Non-Approved Substances M.1 Enhancement of Oxygen TransferS.1 Anabolic Agents M.2 Chemical & physical manipulationS.2 Hormones and related substances M.3 Gene Doping S.3 Beta-2 AgonistsS.4 Hormone and Metabolic ModulatorsS.5 Diuretics and other Masking Agents
II Substances and Methods Prohibited In-CompetitionAll the categories under Section I, plus:S.6 StimulantsS.7 NarcoticsS.8 CannabinoidsS.9 Glucocorticosteroids
III Substances Prohibited in Particular SportsP.1 Alcohol P.2 Beta Blockers
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Frequently used drugs from the Prohibited List
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ANABOLIC AGENTS
Androgenic Anabolic Steroids (AAS)• Exogenous
Nandrolone, Stanozolol• Endogenous
TestosteroneOther Anabolic Agents
• Beta-2 Agonists such as ClenbuterolEffects
Increased muscle mass and strengthNormally taken during training
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Androgenic Anabolic Steroids
Side Effects– Acne, testicular atrophy,
menstrual irregularities, breast shrinkage
– Atherosclerosis, salt & water retention, liver & kidney tumours
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The Dwain Chambers CaseTested positive for the “undetectable” “designer” steroid Tetrahydrogestrinone (THG) in June 2003Served a 2-year ban British Olympic Association will not allow him to compete in Olympics
Athletes are prepared to take drugs that have not undergone safety checks
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HORMONES AND RELATED SUBSTANCES
• Erythropoietin (EPO)• Increases red blood
cells• Increases oxygen
supply to muscles
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Erythropoietin (EPO)
There has been a validated test for EPO since the Sydney Olympics in 2000– Immunoassay can distinguish
between endogenous EPO and recombinant EPO
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BETA-2 AGONISTS
All Beta-2 Agonists are prohibited, except:
Salbutamol (max 1600 micrograms over 24 hours)Formoterol (max 36 micrograms over 24 hours)Salmeterol
When administered by inhalation. A urine concentration of Salbutamol greater than 1000ng/ml or Formoterol greater than 30ng/ml is considered an Adverse Analytical Finding
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WADA Prohibited MethodsBLOOD DOPING
BLOOD DOPING– Effects
Increase oxygen carrying capacity of the blood
– Potential ProblemsInfection (Septicaemia, Hepatitis, AIDS)Allergic reaction (Anaphylaxis)
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The Jan Ullrich Case
Ullrich, along with 13 other riders was removed from the T Mobile Team before the 2006 Tour de FranceThey were among 58 riders caught up in the Spanish police investigation into blood doping (Operación Puerto)
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WADA Prohibited MethodsCHEMICAL AND PHYSICAL MANIPULATIONS
Tampering with samples during testing Examples:– Urine substitution – Sharing urine– False bladders– Inhibition of urine excretion
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WADA Prohibited MethodsGENE DOPING
Gene Therapy is the transfer of genetic material to human somatic cells (non-reproductive cells) for the treatment or prevention of disease or disordersGene Doping is the use of this technology for the improvement of performance in sport
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STIMULANTS
• Effects• Increased alertness and aggression• Delay in fatigue
• Examples • Amphetamine & Cocaine (recreational use)• Ephedrine & Pseudoephedrine (used in
coughs & colds)
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STIMULANTS Drugs available Over-The-Counter (OTC)
Medicines that can be bought from a pharmacy have caused great problems for athletes
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The Andreea Raducan Case
At the 2000 Sydney Olympic Games she tested positive for PseudoephedrineGiven the drug by her team doctorStrict Liability rules were appliedShe was stripped of her Gold Medal
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The Alain Baxter Case• Tested positive for Levmethamphetamine
in a US version of Vicks Nasal Inhaler at the 2002 Olympics in Salt Lake City
• Under Strict Liability rules, lost his bronze medal
• His appeal was upheld, acknowledging that he did not attempt to cheat
• IOC refused to give back his medal• WADA subsequently introduced a new
rule on “Specified Substances”
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STIMULANTS Drugs available Over-The-Counter (OTC)
In January 2004, WADA removed many of these OTC drugs from the prohibited listHowever, they were placed on a Monitoring Program
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STIMULANTS Drugs available Over-The-Counter (OTC)
Some OTC drugs remain on the prohibited listUrinary concentrations above which WADA laboratories must report findings:
Cathine > 5 micrograms/mlEphedrine >10 micrograms/mlMethylephedrine >10 micrograms/mlPseudoephedrine > 150 micrograms/ml
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Pseudoephedrine and Phenylpropanolamine concentrations following multiple dosing (Chester, Mottram,
Reilly & Powell (2003) Br. J. Clin. Pharmacology 57:62-67)
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Liverpool JM University - WADA Research Project (2006)
“The Impact of Changes to the Prohibited Substances List on the use of OTC Medication by Athletes”– Questioned 557 elite athletes in 10 sports in 4
countriesExtent of useKnowledge & understandingViews & opinionsDemographic differences
– Inform WADA on future policy
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LJMU - WADA Project
38% of athletes had used OTC products on the Monitoring List in the past 12 months. There was a significant difference (p<0.001) between countries
USA 46%Australia 43%Canada 32%UK 24%
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LJMU - WADA Project
Respondents’ primary reason for using OTC drugs
To treat symptoms of illness 73.3%To enhance performance 0.7%Both of the above 2.7%Declined to answer 23.3%
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LJMU - WADA Project
Athletes demonstrated limited knowledge about WADA rules concerning OTC medicines– Only 35.1% correctly identified whether drugs were
prohibited or notAthletes would seek advice but this was not always from a reliable source
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LJMU - WADA Project
Overall the trend of athletes’ opinion was that OTC stimulants:– May be performance enhancing– Posed a risk to health– Their use was against the spirit of sport– Should remain off the Prohibited List
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CANNABINOIDS
Actions of Cannabis– Affects almost every system in the body– It has anxiolytic, sedative, analgesic &
psychedelic properties– It impairs cognitive and psychomotor
performance; slows reaction time; produces motor incoordination; defects short-term memory
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CANNABINOIDS
This is a performance enhancing drug?
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CANNABINOIDS
Marijuana use – a hazard to others
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Substances Prohibited In Particular Sports
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SUBSTANCES PROHIBITED IN PARTICULAR SPORTS ALCOHOL
Alcohol is prohibited in-competition in the following sports:
Aeronautic Karate Archery MotorcyclingAutomobile Powerboating
These sports apply a blood threshold of 0.1g/L
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SUBSTANCES PROHIBITED IN PARTICULAR SPORTSBETA BLOCKERS
• Produce anti-anxiety effects and reduce heart rate and hand tremor
• Therefore banned in sports involving:• hand steadiness (e.g. archery, billiards,
boules, bridge, golf) • extreme stress (e.g. ski jumping,
powerboating)
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Chris Hoy, 100% me AmbassadorChris Hoy, 100% me Ambassador
THERAPEUTIC USE EXEMPTION
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A process by which an athlete can
obtain approval to use a prescribed
prohibited substance or method for the
treatment of a legitimate medical
condition.
THERAPEUTIC USE EXEMPTION
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Medical Condition Prohibited Substances
Attention Deficit Hyperactivity Disorder
Methylphenidate; Dextroamphetamine
Arterial Hypertension Diuretics; Beta BlockersAsthma TerbutalineDiabetes Mellitus InsulinPost-infection Cough Pseudoephedrine; Oral
GlucocorticosteroidsMusculoskeletal Conditions Narcotics; Oral, Rectal, i.m
or i.v. Glucocorticosteroids
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Dope Testing
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Dope Testing
Controlled through 35 WADA-accredited laboratoriesUK testing is through UKAD Testing is within competition or out-of-competition (OOCT)
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Drug Testing Procedure
• Selection of competitors • In-competition• Out-of-competition (National
Registered Testing Pool)• Sample collection (A & B samples)• Declaration and Certification• Transfer to the Laboratory (chain of
custody document)
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Drug Testing Procedure
• Analysis of Sample A (Gas Chromatography/ Mass Spectrometry)
• Reporting results • Negative• Positive
• Analysis of sample B
• Sanctions
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WADA Consequences of Anti-Doping Rules Violations
Violations result in one or both of the following:• Disqualification
Results in a particular competition or event are invalidated (forfeit of medals, points, prizes)
• IneligibilityAthlete is barred from participating or funding. Normally:
First violation - 2 years Second violation - Lifetime
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WADA Consequences of Anti-Doping Rules Violations
For Specified Substances susceptible to unintentional use, where an athlete can establish that the use was not intended to enhance performance, the period of ineligibility is:• First violation
• Minimum - warning and reprimand• Maximum - 1 year
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What is the extent of drug misuse in sport?
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Extent of Drug Misuse in Sport
• Statistical evidence• Media speculation• Official data
• Published research• Surveys
• self-reporting• perceptual reporting
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STATISTICS FROM WADA LABORATORIES (2010)
Anabolic Agents 3,374Stimulants 574Cannabinoids 533Beta-2 Agonists 209Glucocorticosteroids 234Diuretics & other Masking Agents 396Peptide Hormones 86Beta Blockers 30Narcotics 20Hormone antagonists & Modulators 75Manipulation 6Enhancement of O2 Transfer -Alcohol 9
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STATISTICS FROM WADA ACCREDITED LABORATORIES (2010)
A Samples Analyzed = 258,267Adverse Findings (includes TUEs = 4,817& multiple measurements)
= 1.87%
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Why Are Drugs Misused in Sport?
Commercialism & ProfessionalismPeer pressureAvailabilityMedia speculationCulture of substance taking in sport
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Culture of Substance Taking in Sport
• A UK Sport study indicated that 60% of respondents used supplements
• Of these, 72% were taking “health maintenance supplements” (e.g. vitamins). 28% were taking “ergogenic aids” (e.g. protein powders, fat loss products)
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Supplements
Supplements are unregulated, aggressively marketed and easily obtainableAre they safe to use?
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Steroids and Nutritional Supplements(IOC sponsored study: W.Schanzer, Cologne (2002))
• 634 non-hormonal supplements were obtained
• 14.8% contained prohormones (mainly of Testosterone and Nandrolone) which were not declared on the label
• The prohormones produce similar metabolites to Testosterone & Nandrolone
Variation by countryNetherlands 25.8%Austria 22.7%UK 18.9%USA 18.8%Italy 14.3%Spain 13.8%Germany 11.6%
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How to Check if Medication is Prohibited
Access:
www.globaldro.com
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