Early research suggests that sildenafil, the erectile dysfunction drug commonly known as Viagra, may help stop cancer from spreading, not through its well-known effects on blood flow, but by disrupting how tumor cells manage cholesterol.
https://x.com/theNCI/status/2083160748981735622
https://aacrjournals.org/cancerres/article/doi/10.1158/0008-5472.CAN-26-1818/786876/PDE5a-Inhibition-Restricts-Cancer-Metastasis-by