Researchers from Israel’s Bar-Ilan University have developed a peptide (small protein) that prevents the triggering of metastasis – secondary cancer. In the laboratory, it had 90% success on solid cancers and could be used in combination with other therapies.

https://www.israelnationalnews.com/news/366206

https://www.nature.com/articles/s41388-022-02481-w

https://www.timesofisrael.com/israeli-scientists-say-substance-prevents-cancers-spread-in-mice-with-90-success/