Observation or Radiation Therapy in Treating Patients With Newly Diagnosed Grade II Meningioma That Has Been Completely Removed by Surgery

Status: Active, Recruiting

Radiation Therapy With Concomitant and Adjuvant Temozolomide VS Radiation Therapy With Adjuvant PCV Chemotherapy in Patients With Anaplastic or Low Grade Glioma

Status: Active, Recruiting

Anti-Lag-3 (Relatlimab) and Anti-PD-1 Blockade (Nivolumab) Versus Standard of Care (Lomustine) for the Treatment of Patients With Recurrent Glioblastoma

Status: Active, Recruiting

Testing Addition of Chemo Drug Lomustine (Gleostine®) to the Usual Treatment (Temozolomide and RT) for Newly Diagnosed MGMT Methylated Glioblastoma

Status: Active, Recruiting

Testing the Addition of HA-WBRT to SRS in People With Cancer That Has Spread to the Brain and Come Back in Other Areas of the Brain After Earlier SRS

Status: Active, Recruiting

This phase III trial compares the addition of stereotactic radiosurgery before or after surgery in treating patients with cancer that has spread to the brain.

Status: Active, Recruiting

Long-Term Follow-Up of Patients Who Have Participated in Children's Oncology Group Studies

Status: Active, Recruiting

Registry of Patients With Brain Tumors Treated With STaRT (GammaTiles)

Status: Active, Recruiting