De Bonis loses doping ban appeal

Francesco De Bonis (Diquigiovanni) rides in the Giro d'Italia

Francesco De Bonis (Diquigiovanni) rides in the Giro d'Italia (Image credit: Bettini Photo)

Italy's Francisco De Bonis lost his appeal to overturn a two-year doping ban based on abnormal testing results as part of the International Cycling Union's (UCI) biological passport system.