Two radiation plans after brain surgery worked about the same
Original title: Single-fraction stereotactic radiosurgery vs. hypofractionated stereotactic radiotherapy for resected brain metastases: a systematic review and meta-analysis of comparative studies.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This looks across many earlier studies rather than running a new one.
Both radiation plans are already used for patients today.
The short version
After brain surgery, one big radiation dose and several smaller doses gave similar results.
What was studied. Researchers pooled seven past studies of adults who got radiation after surgery for brain metastases. Together the studies covered 589 patients and 649 surgery sites in the brain.
What they found. At 6 months, control of the tumor site was a little better with the single dose. But the authors say this gap is likely because the split doses were used for bigger or harder to reach spots. At 12 months, tumor control and survival looked about the same with both plans.
What this means, and what it doesn't
What it could mean: If you need radiation after brain surgery, both plans look like fair options. Your care team may choose based on the size and place of the area being treated. It is fine to ask which plan they picked for you, and why.
What it doesn't mean: This does not prove one plan is better. The studies only looked back at old records. They were not planned head to head trials, so they cannot settle the question. The authors say new, planned trials are still needed. This is not a cure for brain tumors.
Source: PubMed, September 5, 2026 · Read the original
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