Trial reportNeuro-oncology2026
ON-01, an engineered recombinant oncolytic herpes simplex virus type-1, in recurrent glioma: A single-arm, phase 1/2 study.
Trial report in Neuro-oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- oHSV-1-modulated mVirology journal · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
23 authors.
Funding
Abstract
backgroundThe prognosis of patients with recurrent WHO grade 4 glioma is poor, particularly in glioblastoma, which has a median survival of approximately 6 months and no effective treatment options. We evaluated the short-term (28-day) safety and efficacy of ON-01, an engineered recombinant oncolytic herpes simplex virus type-1, in patients with recurrent WHO grade 4 glioma.
methodsIn this single-arm, phase 1/2 clinical trial, eligible patients received intratumoral injections of ON-01 under stereotactic guidance. The primary endpoint was to assess the short-term safety profile of ON-01 treatment. Secondary endpoints included progression-free survival (PFS), overall survival (OS), and the 2-year OS rate. An exploratory objective was to identify tumor-related biomarkers predictive of treatment efficacy.
resultsOf the 30 patients treated with ON-01, 13 (43.3%) were male, and the median age was 50.0 years (range, 22-75). A total of 36 grade 1, 12 grade 2, and 2 grade 3 adverse events were reported. Among all treated patients, the median OS was 12.0 months (95% CI, 10.1-13.9), median PFS was 3.0 months (95% CI, 1.7-4.3), and 2-year OS rate was 27.7% (95% CI, 12.6%-45.0%). Seven patients with recurrent multifocal gliomas demonstrated regression of non-injection site lesions following ON-01 therapy. Furthermore, patients with elevated expression of herpesvirus entry mediator exhibited significantly prolonged survival (P = .015).
conclusionsIntratumoral infusion of ON-01 appeared safe and demonstrated efficacy in patients with recurrent malignant glioma, with no evidence of neurotoxicity. The therapeutic response to ON-01 may be associated with HVEM expression levels.
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Registered trials
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