Company Overview - Novocure Limited (NASDAQ: NVCR) develops wearable devices that generate Tumor Treating Fields (TTFields) for the treatment of aggressive cancers [1] - The company has approved devices such as Optune and Optune Gio specifically for treating glioblastoma (GBM) [1] Product Details - Optune Lua is another device developed by Novocure, aimed at assisting in cancer treatment [1]