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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

BMC Cancer 1/2018

Survival and clinical outcomes of patients with melanoma brain metastasis in the era of checkpoint inhibitors and targeted therapies

Zeitschrift:
BMC Cancer > Ausgabe 1/2018
Autoren:
Elham Vosoughi, Jee Min Lee, James R. Miller, Mehdi Nosrati, David R. Minor, Roy Abendroth, John W. Lee, Brian T. Andrews, Lewis Z. Leng, Max Wu, Stanley P. Leong, Mohammed Kashani-Sabet, Kevin B. Kim

Abstract

Background

Melanoma brain metastasis is associated with an extremely poor prognosis, with a median overall survival of 4–5 months. Since 2011, the overall survival of patients with stage IV melanoma has been significantly improved with the advent of new targeted therapies and checkpoint inhibitors. We analyze the survival outcomes of patients diagnosed with brain metastasis after the introduction of these novel drugs.

Methods

We performed a retrospective analysis of our melanoma center database and identified 79 patients with brain metastasis between 2011 and 2015.

Results

The median time from primary melanoma diagnosis to brain metastasis was 3.2 years. The median overall survival duration from the time of initial brain metastasis was 12.8 months. Following a diagnosis of brain metastasis, 39 (49.4%), 28 (35.4%), and 24 (30.4%) patients were treated with anti-CTLA-4 antibody, anti-PD-1 antibody, or BRAF inhibitors (with or without a MEK inhibitor), with a median overall survival of 19.2 months, 37.9 months and 12.7 months, respectively. Factors associated with significantly reduced overall survival included male sex, cerebellar metastasis, higher number of brain lesions, and treatment with whole-brain radiation therapy. Factors associated with significantly longer overall survival included treatment with craniotomy, stereotactic radiosurgery, or with anti-PD-1 antibody after initial diagnosis of brain metastasis.

Conclusions

These results show a significant improvement in the overall survival of patients with melanoma brain metastasis in the era of novel therapies. In addition, they suggest the activity of anti-PD-1 therapy specifically in the setting of brain metastasis.
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