New study finds immunotherapy fights difficult-to-treat types of brain cancer

Researchers are praising the results of two studies that used immunotherapy to fight one of the most difficult-to-treat types of brain cancer, glioblastoma. The studies used CAR-T therapy, which uses engineered T cells to fight the cancer.

Angus Chen, cancer reporter at STAT, joins us to discuss what the results mean for the fight against brain cancer.