New Drugs Could Stop Brain Metastasis | Toronto News

Toronto News Today | 2 Min News | The Daily News Now! · Jul 4, 2026 · 1m

Scientists at McMaster University may have cracked the code on stopping cancer from spreading to the brain—by targeting a key enzyme, IMPDH2, that fuels cancer cell migration. With brain metastasis often fatal and current treatments brutal on healthy tissue, this breakthrough offers a precision approach: blocking cancer’s escape route without harming the brain. Hundreds of new drug candidates are in development, aiming to turn a daily pill into a shield for patients who’ve beaten their primary cancer. This could be the game-changer we’ve been waiting for—especially for lung, breast, and other…