A large look at laser heat treatment for brain tumors
Original title: Laser Interstitial Thermal Therapy for Brain Tumors: A Prospective Multicenter Analysis of Patients From the LAANTERN Study.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was tested in people. That is the most reliable kind of research we share.
This treatment is already in use at brain centers today, and the study followed real patients who had it.
The short version
Laser heat treatment for brain tumors led to short hospital stays for 787 patients.
What was studied. Doctors used a laser to heat and destroy brain tumors. The study followed 787 patients at 25 US centers from 2015 to 2023.
What they found. Of the 787 patients, 445 had tumors that started in the brain. The other 342 had tumors that spread there. The typical hospital stay was 32.4 hours, and 62.6% did not need intensive care. Side effects happened in 12.8% of patients, and 65.5% of those events did not last. The death rate was 0.25%. After treatment, 80% of patients stopped taking steroids. Quality of life stayed steady for up to 3 years.
What this means, and what it doesn't
What it could mean: This treatment may be an option for some people with brain tumors. Most patients in this study went home fast and kept their daily abilities. Doctors also noted that smaller tumors did better. Your own team can tell you if your tumor fits this approach.
What it doesn't mean: This does not mean laser heat treatment is a cure. It is not a promise that a tumor will go away. This study tracked patients who were already getting this treatment. It did not compare the laser to surgery, radiation, or drugs. So we cannot say it works better than other choices. It is not right for every tumor or every person.
Source: PubMed, August 17, 2026 · Read the original
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