This study is about testing two different ways to give radiation after surgical removal of brain tumors. One method uses something called GammaTiles™, which are little tiles that deliver radiation directly to the tumor site right after surgery. The other way is called Stereotactic Radiotherapy (SRT), which is done about 3-4 weeks after surgery. The study wants to see which method is better and safer for patients who have tumors spread to the brain. Participants in the study will be randomly chosen to get either GammaTiles or SRT. The study will look at how well each method works, how long people live, and their quality of life.
- The study requires random assignment to one of the two treatments.
- Participants should be over 18 and have up to 4 brain tumors.
- Participants will need to follow specific guidelines for other treatments.