• Darren Hargrave, Ute Bartels, and Eric Bouffet.
• Department of Paediatric Oncology, Royal Marsden Hospital, Sutton, Surrey, UK.
• Lancet Oncol. 2006 Mar 1; 7 (3): 241-8.

AbstractDiffuse intrinsic brainstem gliomas constitute 15-20% of all CNS tumours in children, and are the main cause of death in children with brain tumours. Many clinical trials have been done over the past three decades, but survival has remained static. More than 90% of children die within 2 years of diagnosis, and conventional fractionated radiation remains the standard treatment. However, median survival differs substantially between clinical trials, suggesting a survival benefit with some strategies. We appraised the consistency between protocols in terms of eligibility criteria, definition and assessment of response and progression, statistical design, and endpoints. Study designs varied substantially, which could explain the differences in outcome, and no treatment has shown a benefit over conventional radiotherapy. However, consistency between protocols (eg, eligibility criteria and outcome measures) is important to measure the progress in management of diffuse pontine gliomas.

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