Is there a future for bioencapsulation in the treatment of brains tumors ?

There are many cancer types where chemotherapy is poorly effective. Brain tumors are such a family of cancers. Brain tumors are protected by the blood brain barrier, which prevents effective transport of chemotherapeutic agents to the tumor. Novel approaches are urgently required for the treatment of malignant brain tumors, which have a very poor prognosis and ultimately lead to the death of the patients.