New publication: As oral fluid (OF) contains significant amounts of proteases, the question of whether its addition to a doping control urine sample may impede anti-doping analysis needs to be address

doping samples Effect of oral fluid in urine on the analysis of erythropoiesis-stimulating agents (ESAs) New publication 24th February 2025 Garzinsky AM, Harth J, Leipp F, Walpurgis K, Reihlen P, Thomas [...] on Abstract ​​​​​​​ Due to their performance-enhancing effect, erythropoiesis-stimulating agents (ESAs) are banned at all times by the World Anti-Doping Agency (WADA) in competitive sports. Doping control

ved biomarkers indicative of protein doping. Keywords: Doping; erythropoiesis-stimulating agents (ESAs); fusion protein; growth hormone; inhibitors of the activin receptor signaling pathways (IASPs); protein