Emerging Studies of Melanoma Brain Metastasis

Curr Oncol Rep. 2022 May;24(5):585-594. doi: 10.1007/s11912-022-01237-9. Epub 2022 Feb 25.

Abstract

Purpose of review: Among solid tumors, melanoma has the highest propensity for brain dissemination. Although newer treatment approaches have resulted in excellent control or elimination of brain metastasis in many patients, they remain the cause of significant morbidity and mortality. Here, we review recent preclinical and clinical studies to detail current understanding of the incidence, prognosis, biological characteristics, and treatments for melanoma brain metastases.

Recent findings: Clinical trials tailored to this patient population have demonstrated prolonged disease control with immune checkpoint inhibitors. Emerging clinical challenges include radiation necrosis and perilesional edema, phenomena that are rarely seen in other organs. Recent preclinical studies have resulted in improved understanding of the tumor microenvironment in the brain, providing insights into additional treatment approaches. The biological basis of brain tumor homing and survival within the central nervous system remain understudied. Additional preclinical and clinical studies will enhance our ability to prevent and treat brain metastases.

Keywords: Brain metastasis; Immunotherapy; Melanoma; Stereotactic radiosurgery; Targeted therapy.

Publication types

  • Review
  • Research Support, N.I.H., Extramural

MeSH terms

  • Brain Neoplasms* / drug therapy
  • Humans
  • Immunotherapy / methods
  • Incidence
  • Melanoma* / pathology
  • Prognosis
  • Radiosurgery* / methods
  • Retrospective Studies
  • Tumor Microenvironment