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Clinical Trial
. 2022 May 4;24(5):755-767.
doi: 10.1093/neuonc/noab243.

Trabectedin for recurrent WHO grade 2 or 3 meningioma: A randomized phase II study of the EORTC Brain Tumor Group (EORTC-1320-BTG)

Affiliations
Clinical Trial

Trabectedin for recurrent WHO grade 2 or 3 meningioma: A randomized phase II study of the EORTC Brain Tumor Group (EORTC-1320-BTG)

Matthias Preusser et al. Neuro Oncol. .

Abstract

Background: No systemic treatment has been established for meningioma progressing after local therapies.

Methods: This randomized, multicenter, open-label, phase II study included adult patients with recurrent WHO grade 2 or 3 meningioma. Patients were 2:1 randomly assigned to intravenous trabectedin (1.5 mg/m2 every 3 weeks) or local standard of care (LOC). The primary endpoint was progression-free survival (PFS). Secondary endpoints comprised overall survival (OS), objective radiological response, safety, quality of life (QoL) assessment using the QLQ-C30 and QLQ-BN20 questionnaires, and we performed tissue-based exploratory molecular analyses.

Results: Ninety patients were randomized (n = 29 in LOC, n = 61 in trabectedin arm). With 71 events, median PFS was 4.17 months in the LOC and 2.43 months in the trabectedin arm (hazard ratio [HR] = 1.42; 80% CI, 1.00-2.03; P = .294) with a PFS-6 rate of 29.1% (95% CI, 11.9%-48.8%) and 21.1% (95% CI, 11.3%-32.9%), respectively. Median OS was 10.61 months in the LOC and 11.37 months in the trabectedin arm (HR = 0.98; 95% CI, 0.54-1.76; P = .94). Grade ≥3 adverse events occurred in 44.4% of patients in the LOC and 59% of patients in the trabectedin arm. Enrolled patients had impeded global QoL and overall functionality and high fatigue before initiation of systemic therapy. DNA methylation class, performance status, presence of a relevant co-morbidity, steroid use, and right hemisphere involvement at baseline were independently associated with OS.

Conclusions: Trabectedin did not improve PFS and OS and was associated with higher toxicity than LOC treatment in patients with non-benign meningioma. Tumor DNA methylation class is an independent prognostic factor for OS.

Keywords: DNA methylation class; clinical trial; meningioma; quality of life; trabectedin.

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Figures

Fig. 1
Fig. 1
Progression-free survival (A) and overall survival (B) in the per-protocol population (primary analysis).
Fig. 2
Fig. 2
Exploratory comparison of progression-free survival (A) and overall survival (B) with the most commonly applied LOC treatments and trabectedin in the intention-to-treat population. Abbreviation: LOC, local standard of care.
Fig. 3
Fig. 3
(A) Molecular alterations, methylation classes, and WHO grades in patients enrolled in the EORTC-1320-BTG trial. (B) Frequency of mutations according to methylation classes.

Comment in

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