ArticleActa neurochirurgica2026
Assessing radiological response of IDH-mutated glioma to vorasidenib by tumor diameter slopes: a series of 8 cases.
Article in Acta neurochirurgica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The INDIGO trial demonstrated improved progression-free survival under vorasidenib in IDH-mutated grade 2 glioma patients. However, the pattern of vorasidenib effects remains unknown. We thus performed a retrospective analysis of tumor kinetics in eight patients enrolled in the INDIGO trial. Tumor diameters (computed from FLAIR volumetry) and their slopes were individually estimated, before and under vorasidenib. Three patients showed no change in slope. Three patients exhibited a marked slope decrease, and two demonstrated slope inversion. Tumor diameter slopes allows individual assessment of radiological response, providing clinically relevant insights that cannot be captured by the cohort-level analysis performed in the INDIGO trial.
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