Najar's team-mate Gaston Javier also fails anti-doping control for Anabolic Androgenic Steroids
Kroon confirmed the revelation in story published by Dutch sports paper AD Sportwereld
Former pro Michael Boogerd opens up in interview with other ex-pros about doping during his career
'No data has been lost or compromised' says UKAD after hackers attempted to access records on its computer system, which includes those for cyclists
UKAD gives its response to the House of Commons Digital, Culture, Media and Sport Committee report into doping in sport. It wants to see triamcinolone and tramadol banned
Doping documentary film Icarus won an Oscar for best documentary feature on Sunday night’s 90th annual Academy Awards in Hollywood. The Netflix-backed film by Bryan Fogel and Dan Cogan originally…
Former Nippo-Vini Fantini rider Pierpaolo De Negri returns adverse analytical finding for anabolic androgenic steroids
Italian police arrested six people in a doping raid after the death of Linas Rumsas and banning of Raimondas Rumsas
Union Cycliste Internationale confirms that 12 riders returned adverse analytical findings from samples taken on December 22 at the Vuelta Ciclista Internacional a Costa Rica
Dr Hutch bemoans the fact that today's cycling scandals are just too damn scientific
Two masters riders from the United States have been given doping bans after they refused to provide samples to doping control officers.
A 41-year-old amateur rider has received a four-year ban after a hearing dismissed her claim that testosterone she was taking was "essential to her health".
Raimondas Rumsas Jr, the 23-year-old son of the former Lithuanian rider who failed an EPO test, has been banned for four years for using GHRP-6.
Bardiani-CSF have rejoined the MPCC anti-doping group on a "probationary basis" after three of their riders failed doping tests in the last 12 months.
Italian rider Nicola Ruffoni failed test for growth hormone on the eve of the 2017 Giro d'Italia, and has been handed a four-year suspension
A former US national champion has been handed a four-year doping ban after she was reported to authorities by her ex-boyfriend after the two had broken up.
Eight riders have failed anti-doping tests on samples taken from riders during the 2017 Vuelta a Colombia in August, the Union Cycliste Internationale (UCI) confirmed on Tuesday. In a brief…
The Team Boyacá rider faces a long ban after it was revealed he failed an anti-doping control in August
A 60-year-old time triallist has been handed a two-year doping ban after positive test which he said was caused by his wife "spiking" his breakfast smoothie.
Tramadol, the controversial painkiller allegedly used by some pro riders and blamed for causing crashes, has been found to improve time trial performance.
Dopers returning from bans should be excluded from appearing on podiums, winning prize money, and holding world records, according to a proposal by iNADO.
Criminalisation "would not necessarily aid the fight" against doping says minister
The whole of the Bardiani-CSF team could be banned for up to a year after news emerged that a third rider on the team has tested positive a 12-month period.
Professional athletes should be fitted with microchips in an attempt to catch dopers, according to the head of the World Olympians Association.
WADA has been criticised for its perceived lack of action in banning Tramadol and coriticosteroids in a damning open letter from the MPCC.