BTT Groups consist of Biotoxtech (BTT), No.1 non-clinical CRO in Korea and its subsidiary Keyfronbio (KFB) for non-clinical pharmacology services including GLP-compliant bioanalysis, efficacy testing and PCR-based biodistribution study and Keyprime Research (KPR) for nonhuman primate (NHP)-based Tox studies. Our group offers integrated platform of non-clinical services and has many experiences in submitting hundreds of documents to the regulatory agencies of Korea, US, Japan, and Europe.