title: Clinical trials in neuro-oncology:  one step forward, two steps back?
authors: Michael
authors: M
authors: Weller
authors: Roger
authors: R
authors: Stupp
mesh_terms: D001932:Brain Neoplasms / Q000628:therapy*; D002986:Clinical Trials as Topic; D003226:Congresses as Topic; D005910:Glioma / Q000628:therapy*; D006801:Humans; D008495:Medical Oncology; D009462:Neurology; D011446:Prospective Studies; D012107:Research Design