The PET Radiopharmacy Oxford (known as PROx) is a state-of-the-art, multi-million pound facility at Oxford’s Churchill Hospital for the research and production of radiopharmaceuticals to treat cancer patients. Designed to GMP Standards to meet the MHRA Regulations. PROx is a joint venture between the University of Oxford and Oxford University Hospitals NHS Foundation Trust to improve the diagnosis and treatment of people with cancer. The radiopharmacy houses a cyclotron — a piece of equipment that is used to produce radioactive materials used in cancer diagnosis and treatment.