During these 1.5 years, the anti-doping authorities also tried to accuse Vroemen of using an illegal infusion in 2006. Vroemen was also declared innocent in this case and all charges were dropped. He returned to racing and won the national steeple chase championship 3 more times in the years 2011, 2012 and 2013, to bring his total steeple chase championship count to 15 times.
During this 1.5-year stretch, the anti-doping authorities also made a bid to accuse Vroemen of using an unauthorized performance-enhancing substance in 2006. However, he was ultimately cleared of these allegations and all charges were dropped. He returned to racing and went on to win three more national steeple chase championships between 2011 and 2013, bringing his total championship count to 15.