Feb 7, 2026 · Optune is a wearable device that uses electrical fields to treat glioblastoma (GBM), a type of brain cancer. Optune is used for newly-diagnosed and recurrent GBM, usually along with other treatments like chemotherapy or radiation. Feb 7, 2026 · Optune is a wearable device that uses electrical fields to treat glioblastoma (GBM), a type of brain cancer. Optune is used for newly-diagnosed and recurrent GBM, usually along with other treatments like chemotherapy or radiation. I’ve had Optune for 7 months now in conjunction TMZ. the Optune is something I got used to fairly quickly. I don’t mind it and my scans show i continue to make progress shrinking my tumors. I think it’s worth it but it’s also a factor in what I consider I want to go out and do. I’ve had Optune for 7 months now in conjunction TMZ. the Optune is something I got used to fairly quickly. I don’t mind it and my scans show i continue to make progress shrinking my tumors. I think it’s worth it but it’s also a factor in what I consider I want to go out and do. My best friend of 62 years wore the Optune for 4 plus years after her Glioblastoma diagnosis in 2021, she lived 3 years beyond what the Dr's had suggested. It does work to slow or stop tumor growth, we were so grateful for the extra years we got to spend with her. My best friend of 62 years wore the Optune for 4 plus years after her Glioblastoma diagnosis in 2021, she lived 3 years beyond what the Dr's had suggested.