Written from the studies on PubMed, searched on 11 Nov 2026. Every number below comes from a study listed under Sources.
What people read
Posts online say that CBD (cannabidiol) helps with Metastatic breast cancer.
What has been studied
- 1In people1 randomised trial
- 6In animals
- 5Only in the lab
What the studies found
CBD (cannabidiol) has been tested in randomised trials in people with Metastatic breast cancer.
We found 14 published papers on CBD (cannabidiol) and Metastatic breast cancer. They were published between 2007 and 2026.
1 of them are studies in people (1 randomised trials), 1 are reviews, 6 are studies in animals and 5 are studies only in the lab.
The most important ones are listed under Sources.
What this means for you: A study in people is not proof that it helps you. Do not stop or change your medicines because of it. Ask your doctor before you start taking it.
Sources
- Cannabidiol for Scan-Related Anxiety in Women With Advanced Breast Cancer: A Randomized Clinical Trial.2024 · JAMA Netw Open · Randomised trial
- Cannabidiol as a novel therapeutic agent in breast cancer: evidence from literature.2025 · BMC Cancer · Review
- Pharmacokinetic studies and synergistic antitumor effects of cannabichromene and cannabidiol in drug-resistant breast cancers.2026 · Drug Deliv Transl Res · In animals
- Modulation of the tumor microenvironment and inhibition of EGF/EGFR pathway: novel anti-tumor mechanisms of Cannabidiol in breast cancer.2015 · Mol Oncol · In animals
- Adeno-associated virus-mediated expression of recombinant CBD-HepII polypeptide of human fibronectin inhibits metastasis of breast cancer.2014 · Breast Cancer Res Treat · In animals
- Cannabidiol inhibits lung cancer cell invasion and metastasis via intercellular adhesion molecule-1.2012 · FASEB J · In animals
- Pathways mediating the effects of cannabidiol on the reduction of breast cancer cell proliferation, invasion, and metastasis.2011 · Breast Cancer Res Treat · In animals
- Inhibition of hepatocarcinoma and tumor metastasis to liver by gene therapy with recombinant CBD-HepII polypeptide of fibronectin.2007 · Int J Cancer · In animals
- The molecular anti-metastatic potential of CBD and THC from Lebanese Cannabis via apoptosis induction and alterations in autophagy.2024 · Sci Rep · In the lab
- Cannabidiol loaded extracellular vesicles sensitize triple-negative breast cancer to doxorubicin in both in-vitro and in vivo models.2021 · Int J Pharm · In the lab
- The evaluation of Cannabidiol's effect on the immunotherapy of Burkitt lymphoma.2019 · Biochem Biophys Res Commun · In the lab
- Novel mechanism of cannabidiol-induced apoptosis in breast cancer cell lines.2018 · Breast · In the lab
- Rimonabant and Cannabidiol Rewrite the Interactions between Breast Cancer Cells and Tumor Microenvironment.2023 · Int J Mol Sci · Other paper