CBD slowed brain tumor growth in lab cells and in mice
Original title: Cannabidiol Suppresses Glioma Growth and Limits Invasion Partly Through an LOXL2-Associated EMT-Like Program.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was done in animals, not people. Most findings at this stage never become treatments.
This was only done in lab cells and in mice.
The short version
CBD slowed glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are graded 1 to 4 by how fast they tend to grow. See the glossary growth in the lab and in mice, but not yet in people.
What was studied. Researchers tested cannabidiol, also called CBD, on human and mouse glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are graded 1 to 4 by how fast they tend to grow. See the glossary cells in the lab. They also gave CBD to mice with brain tumors.
What they found. CBD made the tumor cells grow less and die more. It also made the cells less able to move and spread into nearby tissue. In mice, CBD lowered the amount of tumor in the brain. The team traced part of this to a protein called LOXL2, which helps tumors invade tissue.
What this means, and what it doesn't
What it could mean: This points to one way CBD may act on glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are graded 1 to 4 by how fast they tend to grow. See the glossary cells. It gives researchers a target to study next. It does not change care for patients today.
What it doesn't mean: This does not mean CBD treats brain tumors in people. The work was done in cells in a dish and in mice. Amounts used on cells are not the same as a dose a person could take. No one in this study was a patient. The authors say more testing is needed first. This is not a cure, and it is not something you can ask for now.
Source: PubMed, January 1, 2026 · Read the original
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