Testing an antiviral pill with usual care for breast cancer that has spread to the brain
Original title: Trial to Study Anti- HCMV Therapy in Breast Cancer Patients With Progressive Intracranial Metastases and CMV Infection
How far along is this research?
This is a trial that is enrolling or has been updated. It is not a finding yet.
This is a middle stage trial, so the treatment is still being tested in a small group of people.
Status: Recruiting. It is looking for patients now. Talk to your care team about whether it fits you.
The trial team last updated this record on . Always check the trial page for the latest.
The short version
This trial is testing whether adding an antiviral pill to usual care helps people whose breast cancer has spread to the brain.
Who this trial is for. This trial is for adults 18 and older with breast cancer that has spread to the brain and is growing, who also have signs of a virus called CMV on a blood test. It tests an antiviral pill, valganciclovir, given along with the usual care for these tumors.
Where it stands. This trial has not reported results. It is measuring how well the antiviral works, how safe it is, how people think and remember, and how they feel day to day. Those answers are not in yet.
What this means, and what it doesn't
What it could mean: If the antiviral helps, it could become another option added to usual care for this kind of brain spread. Nothing is known yet. Someone who fits this picture could ask their care team whether a trial like this is worth looking into.
What it doesn't mean: This does not mean the antiviral works. A trial is a test, not a proven treatment. Being in a trial is not a guarantee that you will be helped, and it is not a promise of a cure.
Source: ClinicalTrials.gov, August 10, 2026 · Read the original
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