As a specialty CRO, we provide ultrasensitive quantitation of radiolabeled drugs and their metabolites in clinical samples with routine detection of less than 0.01 DPM in small biological samples. Our GLP-compliant services enable attomole-level quantitation of drugs and metabolites in samples obtained from human mass balance, absolute bioavailability, microdosing, long-term PK and biotransformation/drug metabolism studies. These lightly-labeled (0.1 uCi) studies are performed at a number of qualified partner clinics. Accium BioSciences also offers overall project and vendor management for these studies. Our client list ranges from small biotechnology companies to five of the top global pharmaceutical companies. Approximately 70% of our current study pipeline is from our existing client base.