Tel Aviv University researchers have discovered that 7% of pancreatic cancer sufferers survive more than five years due to high levels of the gene miR-34a and low levels of the gene PLK1. They then devised a nanoparticle to deliver miR-34a and a PLK1 silencer direct to the tumor.
https://www.timesofisrael.com/tel-aviv-university-study-augurs-hope-for-pancreatic-cancer-patients/