Tests in mice showed it worked against a range of tumors, including breast cancer, neuroblastoma, ovarian cancer, prostate cancer, brain tumors known as glioblastomas and uterine tumors.
It helped stop so-called primary tumors and also prevented their spread, Ofra Benny of Children's Hospital Boston and Harvard Medical School and colleagues reported.
"Using the oral route of administration, it first reaches the liver, making it especially efficient in preventing the development of liver metastasis in mice," they wrote in their report. "Liver metastasis is very common in many tumor types and is often associated with a poor prognosis and survival rate," they added.
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