Doping control analyses during the Tokyo 2020 Olympic and Paralympic Games.
Olympics
Paralympics
Tokyo 2020
doping
gene doping
Journal
Drug testing and analysis
ISSN: 1942-7611
Titre abrégé: Drug Test Anal
Pays: England
ID NLM: 101483449
Informations de publication
Date de publication:
Nov 2022
Nov 2022
Historique:
received:
20
09
2022
accepted:
01
10
2022
pubmed:
9
10
2022
medline:
17
12
2022
entrez:
8
10
2022
Statut:
ppublish
Résumé
The doping control analyses at the XXXII Olympic Games (July 23 to August 8, 2021) and the XVI Paralympic Games (August 24 to September 5, 2021) held in Tokyo, Japan, after a year of delay due to the COVID-19 pandemic are summarized in this paper. A new satellite facility at the existing World Anti-Doping Agency (WADA)-accredited Tokyo laboratory was established and fully operated by 278 staff, including 33 Tokyo laboratory staff, 49 international experts, and 196 Japanese temporary staff. The numbers of urine samples were 5081 (Olympics) and 1519 (Paralympics), and the numbers of blood samples were 1103 (Olympics) and 500 (Paralympics). The laboratory could prepare for analysis in advance using a paperless chain-of-custody system, allowing for faster turnaround time reporting. For the first time, a new polymerase chain reaction method for detecting erythropoietin (EPO) gene doping was used. The laboratory also analyzed blood samples for detecting steroid esters following the spotting of collected venous EDTA blood onto dried blood spot cards. Moreover, full-scan data acquisition using high-resolution mass spectrometers was performed for all urine samples, allowing for detecting traces of doping substances, which are not currently analyzed in the subsequent data processing. The presence of some prohibited substances was confirmed, resulting in 8 atypical findings (ATFs) and 11 adverse analytical findings (AAFs), including homologous blood transfusion (2 cases) and recombinant EPO in the blood (1 case), at the Olympics, whereas 2 ATFs and 10 AAFs were reported at the Paralympics.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1836-1852Informations de copyright
© 2022 John Wiley & Sons Ltd.
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