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- W4298623696 abstract "Abstract AIMS Brain metastasis is a frequent complication in melanoma, ultimately affecting 40–60% of patients with metastatic disease1. In the era of immune checkpoint and small molecule inhibitor therapy, there is a need to identify patient, tumour and treatment characteristics which may predict an improved prognosis in patients receiving stereotactic radiosurgery (SRS) for melanoma brain metastases (MBM). METHOD Retrospective casenote review was carried out for all patients receiving SRS, including gammaknife and cyberknife, for MBM between 2014 – 2020 at Barts Cancer Centre. Overall survival (OS) was calculated using the Kaplan-Meier method. Differences between groups were assessed using the Log-rank (Mantel-Cox) test. RESULTS 93 patients were treated with SRS for MBM, with a median of 15 patients treated per year. The median age at treatment decision was 60 years (range 26 – 90): 59% were male; 41% female. Median number of lesions treated was 2 (range 1 – 15). Survival data was available for 74 patients: median overall survival for all patients was 9.5 months, with no significant survival difference by gender nor treatment year (pre-2017 vs. post-2017). However, treatment of 1-2 brain lesions carried a better prognosis compared to 3 or more lesions (median 12.2 vs. 5.7 months, p = 0.0292). CONCLUSION Initial analysis reveals an improved overall survival when fewer MBM are present. Further analyses will examine the impact of the following factors on patient survival: status of extracranial metastases, symptomatic vs. asymptomatic brain metastasis, intratumoral haemorrhage, systemic therapy pre- and post-SRS, and corticosteroid use during and after SRS." @default.
- W4298623696 created "2022-10-02" @default.
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- W4298623696 date "2022-10-01" @default.
- W4298623696 modified "2023-10-18" @default.
- W4298623696 title "Survival and Prognostic Factors in Melanoma Brain Metastasis (MBM) Treated With Stereotactic Radiosurgery (SRS)" @default.
- W4298623696 doi "https://doi.org/10.1093/neuonc/noac200.075" @default.
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