“Modern cancer drugs supercharge immune systems, target specific gene mutations and pack modified viruses into vaccines. Amid the increasing sophistication, one investigational treatment stands out for its simplicity.
“Rose Bengal, a cheap industrial chemical that turns yarn and food bright red, has been used as a diagnostic staining agent for some time. Now, some scientists are looking at its potential to fight various forms of cancer.
“At the forefront is Provectus Biopharmaceuticals Inc, which is testing a reformulated version of the industrial dye on melanoma, the deadliest form of skin cancer. The Knoxville, Tennessee, company reported promising results in a small melanoma study.”