therapy: Clinical studies began in 1998 Twenty years ago, researchers at GSI Helmholtzzentrum für Schwerionenforschung began to conduct clinical studies of an innovative cancer treatment that used accelerated [...] Antiproton and Ion Research GmbH), which is currently being built at GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt. On Wednesday, February 14, 2018, the two partners signed a corresponding cooperation