ArticleJournal of neuro-oncology2025
A feasibility trial of delayed resection for brain metastases following pre-operative stereotactic radiosurgery.
Article in Journal of neuro-oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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.
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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.
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Who cites it
3 citing papers in PubMed.
- In Reply to Marwaha, Shepard, and Wegner.Advances in radiation oncology · 2026Article
- Anatomically Precise Microsurgical Resection of a Posterior Fossa Cerebellar Metastasis in an Elderly Patient with Preservation of Venous Outflow, Dentate Nucleus, and Cerebrospinal Fluid Pathways.Diagnostics (Basel, Switzerland) · 2025Article
- Neoadjuvant stereotactic radiosurgery for brain metastases: Current evidence and clinical perspectives.Biomolecules & biomedicine · 2025Review
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposePre-operative stereotactic radiosurgery (SRS) for brain metastases (BrM), an emerging alternative to post-operative SRS, is typically performed 1-2 days before resection. However, a longer period of the irradiated tumour in situ may confer anti-tumour immunological benefits. We conducted the first clinical trial to evaluate the feasibility of planned delayed resection after pre-operative SRS.
methodsIn this single-arm trial, patients with suspected BrM suitable for pre-operative SRS and surgery were eligible. The primary endpoint was feasibility of resection 7-21 days after SRS, with a pre-defined feasibility threshold of 66% receiving this. Secondary endpoints included 6-month adverse events (AE) and local control (LC) rates. Tumour volume change was assessed from SRS- and neurosurgery-planning MRI's.
result78 patients were screened and the target accrual of 15 patients was met. Common reasons for pre-operative SRS ineligibility were lack of existing cancer diagnosis (44%) and tumour size/peri-tumoural oedema (18%). Two patients declined resection after SRS. The median SRS-to-surgery interval was 8 days (range 0-15). Nine tumours in 8 patients (56%) received delayed resection. Reasons for earlier resection were predominantly non-medical. There were no Grade > 2 AE. The 6-month BrM LC was 100%. At a median follow-up of 13.8 months, the only BrM local failure after SRS and resection occurred with a 0-day SRS-to-surgery interval. No histopathological diagnosis issues were encountered with delayed resection. An increased SRS-to-surgery interval correlated with greater tumour shrinkage.
conclusionsThe pre-defined feasibility threshold for delayed resection was not met, but more than half of patients received delayed resection without safety concerns. TRIAL REGISTRATION NUMBER: ACTRN12622001372774 (Registered 26/10/2022).
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