NOA-25/GliProPh-Trial (randomized study comparing proton versus photon radiation therapy for gliomas) NOA-25/GliProPh-Trial (randomized study comparing proton versus photon radiation therapy for gliomas) Previous Study NOA-24/MecMeth-Trial (phase 1/2 study of combined therapy with meclofenamate and temozolozomide in the first recurrence of MGMT-methylated glioblastoma) Next Study NOA-26/IT-PD1-Trial