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Abstract
The efficient use of testing resources is a key issue in the fight against doping. The longitudinal tracking of sporting performances to identify unusual improvements possibly caused by doping, so-called “athlete's performance passport” (APP) is a new concept to improve targeted anti-doping testing. In fact, unusual performances by an athlete would trigger a more thorough testing program. In the present case report, performance data is modeled using the critical power concept for a group of athletes based on their past performances. By these means, an athlete with unusual deviations from his predicted performances was identified. Subsequent target testing using blood testing and the athlete biological passport resulted in an anti-doping rule violation procedure and suspension of the athlete. This case demonstrates the feasibility of the APP approach where athlete's performance is monitored and might serve as an example for the practical implementation of the method.
Highlights
The true prevalence of doping use in elite sports is unknown, but studies give estimates between 14 and 39% (de Hon et al, 2015)
In addition to the sanctioning of more than 100 athletes based on their individual profiles, the introduction of the Athlete’s Biological Passport (ABP) resulted in an increased number of positive doping cases for erythropoiesis stimulating agents (ESA) using traditional anti-doping methods, due to better test targeting based on information from the ABP (Zorzoli and Rossi, 2012)
Targeted anti-doping tests are crucial for the success and the cost-efficiency ratio of any anti-doping program
Summary
The true prevalence of doping use in elite sports is unknown, but studies give estimates between 14 and 39% (de Hon et al, 2015). One of the major changes in recent years was the paradigm shift from purely chemical analyses and detection of banned substances in biological samples to serial analysis of indirect biomarkers demonstrate the usage of forbidden substances or methods. This culminated in concept of Athlete’s Biological Passport (ABP) that longitudinally tracks certain biomarkers for features of doping (Sottas et al, 2011). The purpose of the present case report is to illustrate the feasibility of this approach In this example, the longitudinal monitoring of performance identified a suspicious athlete who was subsequently successfully target tested and convicted of an anti-doping rule violation
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