NCT00002639 2013-06-21Suramin in Treating Patients With Recurrent Primary Brain TumorsNational Cancer Institute (NCI)Phase 2 Completed
NCT00004073 2012-05-03Suramin Plus Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma MultiformeSidney Kimmel Comprehensive Cancer Center at Johns HopkinsPhase 2 Completed54 enrolled