Overview 18F-FSPG PET/CT for Cancer Patients on Therapy Status: Completed Trial end date: 2016-12-14 Target enrollment: Participant gender: Summary The goal of this phase 2 study trial is to evaluate the utility of the radiolabel 18F-FSPG used before and after treatment to diagnose, predict, and evaluate response to therapy in patients with a wide variety of metastatic cancers. Phase: Phase 2 Details Lead Sponsor: Andrei IagaruCollaborator: National Cancer Institute (NCI)Treatments: Fluorodeoxyglucose F18