OEC (Óbudai Egészségügyi Centrum Kft.) medical health centre and clinical research site was established in 1997. In the early years OEC focused mainly on the private medical services on the standard outpatient therapeutic areas. The healthcare centre became popular across doctors and patients, while OEC experienced a constant demand towards clinical research. To fulfill the market needs OEC turned its main operation towards clinical trials. The research sites in Budapest, Dunaújváros, Kaposvár and Zalaegerszeg have strong medical network in all major outpatient indications.