Advanced Accelerator Applications, Erigal Limited and IBA Molecular – all European suppliers of radiopharmaceuticals used in PET imaging – have signed up to the SNM Clinical Trials Network, which currently has 201 affiliated PET manufacturing sites globally. The network is an initiative designed to address the need for streamlined drug discovery through the integration of imaging biomarkers into multicenter clinical trials. It also gained investigational new drug status for using fluorothymidine in its multicenter trials.