Four Kinds of Radiation Work Well for Grade 1 Meningioma
Original title: Radiotherapy Strategies for WHO Grade 1 Meningioma: A Systematic Review and Meta-Analysis Comparing Proton Therapy, Conventional Radiotherapy, and Radiosurgery.
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.
All four of these radiation treatments are already used in everyday care.
The short version
All four common radiation treatments kept most of these slow growing brain tumors in check.
What was studied. Researchers pooled Twenty-four past studies of people with WHO Grade 1 meningioma. In all, 4673 patients were included. They compared four ways of giving radiation to the tumor.
What they found. Five years after treatment, the tumor was still under control in 95.9% of people who got proton therapy. It was 93.0% with standard photon radiation and 95.3% with Linac based radiosurgery. With Gamma Knife it was 89.8%. The type of radiation did not clearly change the results. In the proton group, 93.1% of people were alive at five years.
What this means, and what it doesn't
What it could mean: If you need radiation for this kind of tumor, more than one option may work well. Your care team can choose based on your tumor's size and place. Proton and photon radiation held up well even when tumors were larger.
What it doesn't mean: This does not mean one type of radiation is proven better than the others. The study pooled old records. It was not a head to head trial where people were assigned a treatment. It also did not compare side effects, which matter a lot when choosing. And it is not a promise that a tumor will never grow back. This is not a cure.
Source: PubMed, August 5, 2026 · Read the original
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