Most patients with glioblastoma, the same brain cancer Sen. John McCain has, begin their medical treatment with radiation and chemotherapy. Many times, however, the cancer returns.

What are patients’ options after all known treatments have failed? The answer could be in one of dozens of clinical trials throughout the country looking for new ways to fight cancer.

Immunotherapy, vaccines, medications and a combination of these treatments are being studied.

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Fulton County Sheriff Patrick Labat gives a tour of Fulton County Jail in  2023. (Natrice Miller/AJC 2023)

Credit: Natrice Miller/AJC