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Rational combination platform trial design for children and young adults with diffuse midline glioma: A report from PNOC

Neuro-Oncology, ISSN: 1523-5866, Vol: 26, Issue: Supplement_2, Page: S125-S135
2024
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Review Description

Background Diffuse midline glioma (DMG) is a devastating pediatric brain tumor unresponsive to hundreds of clinical trials. Approximately 80% of DMGs harbor H3K27M oncohistones, which reprogram the epigenome to increase the metabolic profile of the tumor cells. Methods We have previously shown preclinical efficacy of targeting both oxidative phosphorylation and glycolysis through treatment with ONC201, which activates the mitochondrial protease ClpP, and paxalisib, which inhibits PI3K/mTOR, respectively. Results ONC201 and paxalisib combination treatment aimed at inducing metabolic distress led to the design of the first DMG-specific platform trial PNOC022 (NCT05009992). Conclusions Here, we expand on the PNOC022 rationale and discuss various considerations, including liquid biome, microbiome, and genomic biomarkers, quality-of-life endpoints, and novel imaging modalities, such that we offer direction on future clinical trials in DMG.

Bibliographic Details

Mueller, Sabine; Kline, Cassie; Franson, Andrea; van der Lugt, Jasper; Prados, Michael; Waszak, Sebastian M; Plasschaert, Sabine L A; Molinaro, Annette M; Koschmann, Carl; Nazarian, Javad

Oxford University Press (OUP)

Medicine; Biochemistry, Genetics and Molecular Biology

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