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ABSTRACT
Introduction: Adverse effects and toxicities related to standard treatments for brain tumors significantly reduce patients’ quality of life. Although most immunotherapy approaches for solid tumors have not been successful, several early-phase clinical trials are beginning to reveal a potential role for immunotherapy in the treatment of brain tumors. In particular, methods that activate the innate immune system and induce a polyclonal anti-cancer response have demonstrated that brain tumors are susceptible to immune-mediated tumor destruction. Compared with conventional therapies, modulation of the immune system may improve both survivorship and quality of life during and following treatment.
Areas covered: An overview of mechanisms of immunotherapy in the context of current treatments for adult and pediatric brain tumors is provided. Results from recent clinical trials will be discussed, focusing on the favorable safety and efficacy profiles of immunotherapeutics.
Expert commentary: Although it is too early to judge the long-term safety of immunotherapy for the treatment of patients with brain tumors, early results suggest that these drugs are well-tolerated and may improve survival and quality of life. Importantly, approaches that activate an anti-tumor immune response lay the framework for iterative development of immunotherapies that can reliably treat patients with brain tumors.
Declaration of interest
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.