Treatment of Glioblastoma in Older Adults

Abstract

Glioblastoma is the most common primary malignant brain tumor diagnosed in the USA and is associated with a poor prognosis. The outcomes in elderly patients (more than 65 years of age) are worse when compared to those younger than age 65 at the time of diagnosis. Older patients are not always offered treatments that would otherwise be considered standard of care due to comorbidities and concerns about toxicity and tolerability. The initial European Organization for Research and Treatment of Cancer study that led to approval of temozolomide in glioblastoma excluded patients more than 70 years of age. This review outlines challenges that arise in the treatment of glioblastoma in the elderly population and discusses results of recent studies that established the role of adjuvant chemotherapy in addition to radiation and surgery. There is evidence that these patients can benefit from a more aggressive and safe resection, from hypofractionated radiation treatments, and from adjuvant temozolomide.

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