Dordaviprone for Diffuse Midline Glioma: A Landmark Approval or a Premature Step?

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ID: 314709
2026
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Ranked #76 of 125 articles by views in journal of neuro-oncology

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Abstract
Lay Summary The FDA recently granted accelerated approval to dordaviprone (ONC201) for patients with H3 K27M–altered diffuse midline glioma, a rare and aggressive brain tumor with very few treatment options. This View–Counter View editorial discusses what this decision means for science, regulation, and patient care. Accelerated approval allows the FDA to make promising treatments available sooner for serious diseases based on early signs of benefit, such as tumor shrinkage or how long patients respond to treatment. However, additional studies are still required to confirm that the drug truly improves outcomes. In this case, the approval was based on early studies and expanded-access programs that showed the drug may help a subset of patients. Important questions remain. Most of the data come from non-randomized studies, and it is unclear how well the drug works in newly diagnosed patients or in related tumors such as diffuse intrinsic pontine glioma (DIPG) and spinal cord tumors. We argue that this approval should be seen as conditional, an important step that may speed up research on drug combinations, biomarkers, and better clinical trials, while still requiring strong evidence. The ongoing ACTION trial (NCT05580562) will be critical for confirming the benefit of the drug and guiding how it should be used in practice.
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openalex_W7162122052 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mustafa Khasraw, Matthew D. Dun, Isabel Arrillaga-Romany, Roel G W Verhaak, Eric Bouffet, Jordan R. Hansford, Kirit Singh, Sabine Mueller, Carl Koschmann, Patrick Y Wen
Journal journal of neuro-oncology
Year 2026
DOI
10.1093/neuonc/noag117
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