NCT00895622 2023-09-08Observation or Radiation Therapy in Treating Patients With Grade I, Grade II, or Grade III MeningiomaRadiation Therapy Oncology GroupPhase 2 Completed244 enrolled 15 charts
NCT00003590 2016-05-20S9811 Hydroxyurea in Treating Patients With Unresectable Benign MeningiomaSWOG Cancer Research NetworkPhase 2 Completed29 enrolled 5 charts