Abstract
Purpose
New therapies for melanoma have been associated with increasing survival expectations, as opposed to the dismal outcomes of only a decade ago. Using a prospective registry, we aimed to define current survival goals for melanoma patients with brain metastases (BM), based on state-of-the-art multimodality care.
Methods
We reviewed 171 melanoma patients with BM receiving stereotactic radiosurgery (SRS) who were followed with point-of-care data collection between 2012 and 2020. Clinical, molecular and imaging data were collected, including systemic treatment and radiosurgical parameters.
Results
Mean age was 63 ± 15 years, 39% were female and 29% had BRAF-mutated tumors. Median overall survival after radiosurgery was 15.7 months (95% Confidence Interval 11.4–27.7) and 25 months in patients managed since 2015. Thirty-two patients survived \(\ge\) 5 years from their initial SRS. BRAF mutation-targeted therapies showed a survival advantage in comparison to chemotherapy (p = 0.009), but not to immunotherapy (p = 0.09). In a multivariable analysis, both immunotherapy and the number of metastases at 1st SRS were predictors of long-term survival (\(\ge\) 5 years) from initial SRS (p = 0.023 and p = 0.018, respectively). Five patients (16%) of the long-term survivors required no active treatment for \(\ge\) 5 years.
Conclusion
Long-term survival in patients with melanoma BM is achievable in the current era of SRS combined with immunotherapies. For those alive \(\ge\) 5 years after first SRS, 16% had been also off systemic or local brain therapy for over 5 years. Given late recurrences of melanoma, caution is warranted, however prolonged survival off active treatment in a subset of our patients raises the potential for cure.
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Data availability
The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
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We would like to acknowledge the NYU Langone Health Tech Hub for providing us with efficient access to the clinical data lake.
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Conception and design: DK, AB. Material preparation: AB, JDA, RM, JG, MM, KM, AP. Data collection: AB, JDA, RM. Data analysis: AB, KB. Data interpretation: DK, AB, JS, ES, BD, JW, JG. The first draft of the manuscript was written by AB and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Berger, A., Bernstein, K., Alzate, J.D. et al. Significant survival improvements for patients with melanoma brain metastases: can we reach cure in the current era?. J Neurooncol 158, 471–480 (2022). https://doi.org/10.1007/s11060-022-04036-1
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DOI: https://doi.org/10.1007/s11060-022-04036-1