CNS Oncology Vol. 8 No. 1 | Review

Use of the Response Assessment in Neuro-Oncology (RANO) criteria in clinical trials and clinical practice


Between 2010 and 2014, the incidence rate of primary brain tumors in persons (aged >20 years) was 29.2 per 100,000; in children (aged <20 years), the rate was 5.81 per 100,000 [1]. Metastatic CNS tumors are known to be the most commonly occurring malignancy of the brain, although reporting for this disease is limited. Likely owing to multiple factors including improving survival from systemic malignancies, better tolerability of treatments, as well as timely and effective integration of supportive care, the incidence of CNS metastatic disease is expected to continue to increase [2]. Newer therapies and emphasis on clinical trial enrollment has made the need for effective approaches to assessing disease response even more critical.

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