This research is being done to compare quality of life and symptom burden in participants who
receive two different types of radiation therapy (normal tissue sparing whole brain radiation
therapy (NTS-WBRT) or standard of care hippocampal avoidance whole brain radiation Therapy
(HA-WBRT).
This research study involves:
- NTS-WBRT (normal tissue sparing whole brain radiation therapy)
- HA-WBRT (hippocampal avoidance whole brain radiation Therapy)
- Memantine standard of care drug