After Mel Gibson's viral Joe Rogan claims, the NCI announced it will investigate ivermectin for cancer. October 2026 update: 22 US patient case reports published, 37.5% clinical benefit rate in a triple-negative breast cancer trial, City of Hope actively enrolling, fenbendazole Phase I running. Complete guide to the science, honest limits of case reports, the triple protocol, liver monitoring rule, and why treatment delay is the real danger.