Journal
ONCOLOGIST
Volume 26, Issue 3, Pages E505-E507Publisher
WILEY
DOI: 10.1002/onco.13608
Keywords
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Categories
Funding
- National Comprehensive Cancer Network Young Investigators Award
- American Cancer Society
- NIH [K23 CA204726, R01CA227481]
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The study characterizes outcomes of patients with isolated brain metastases managed with local therapy followed by immune checkpoint inhibitor (ICI) therapy. Patients who underwent surgery or SRS for isolated brain metastases appeared to benefit from adjuvant ICI therapy, particularly with combination therapy. Recurrences in this setting largely occur intracranially.
Background The objective of this work was to characterize outcomes of patients with isolated brain metastases managed with local therapy followed by immune checkpoint inhibitor (ICI) therapy. Materials and Methods Patients from four medical centers were included if they presented with isolated brain metastases treated with local therapy and received adjuvant treatment with ICIs. Results Eleven patients with median size of largest brain metastasis of 3.9 cm, treated with surgical resection (n = 8) and/or stereotactic radiosurgery (SRS; n = 6), were included. Ipilimumab/nivolumab was the adjuvant ICI used in four patients, of whom one recurred (25%) and none died, compared with three of seven (43%) who recurred and two of seven (29%) who died following adjuvant treatment with ICI monotherapy. All recurrences were intracranial. Conclusion Patients with isolated brain metastases treated with surgery or SRS appeared to benefit from adjuvant ICI therapy, particularly with combination therapy. Recurrences in this setting appear to largely occur intracranially.
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