A trial of chemotherapy given into the fluid around the brain
Original title: Efficacy and safety of intraventricular pemetrexed via Ommaya reservoir in the treatment of leptomeningeal metastasis from EGFR-mutant lung adenocarcinoma who progresses on third-generation TKIs: A single-arm clinical trial.
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 was a single group trial in people, so it is an early test and not approved or standard care.
The short version
Doctors tested a chemotherapy drug given straight into the fluid around the brain and spine, but no results are shown here.
What was studied. The study looked at people with lung adenocarcinoma that had an EGFR gene change, and that had spread to the lining of the brain and spine. Their cancer had kept growing while they took third generation targeted pills, so they were given the drug pemetrexed through an Ommaya reservoir, a small device under the scalp that carries medicine into the brain fluid.
What they found. No findings can be reported. The source did not include an abstract, only a title. So there is nothing here about how well the drug worked, how many people took part, or what side effects they had.
What this means, and what it doesn't
What it could mean: For now, this means very little for your own care. All we know is that this treatment was tested in a trial. Without the results, no one can say if it helped or if it was safe. If your cancer has spread to the lining of the brain, your care team is the right person to ask about options like this.
What it doesn't mean: This does not mean a new treatment is ready for you. It is not a cure, and it is not proof that this drug works. Everyone in the trial got the same treatment, with no comparison group, so results from a study like this are an early signal at best. It is not approved or standard care for this problem. And because the results were not included here, nothing about how well it worked has been shown at all.
Source: PubMed, July 13, 2026 · Read the original
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