Handbook
Download the World Rugby Anti-Doping Handbook.

Anti-doping cases - all years


Below you will find all anti-doping cases with names, substances, sanctions and full decisions available to download.

Doping cases - 2025

Name Substance Outcome / Sanction
Bryceson Adaka (KEN) Carboxy-THC

3 months (WR - Download)  (Minority Decision - Download)

Doping cases - 2024

Name Substance Outcome / Sanction
S'busiso Nkosi (RSA) Boldenone 3 years (Download)
Liam Murray (CAN) Ligandrol, GW1516 and Carboxy-THC 3 Years (Download)

Doping cases - 2022

Name Substance Outcome / Sanction
Darryl Wellman (NAM) Methasterone and/or Oxymetholone 4 years (Download)
Bridget Kahele (USA) GW1516 4 years (WR - Download)(CAS - Download)

Doping cases - 2012

Name Substance Outcome / sanction
Andrey Kosarev (RUS) Possession, trafficking and administration Lifetime sanction (Download)
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