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Published on: December 15, 2010
Focused ultrasound for brain metastases
Ahmad Ozair1,2,3, Bilal Moiz2, Pavlos Anastasiadis4,1,2
1Brain Tumor Program, University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA.
Neuro-Oncology Advances
|June 12, 2026
Summary
Focused ultrasound (FUS) offers new strategies to overcome challenges in treating brain metastases (BMs). This technology enhances drug delivery, enables liquid biopsies, and combines with other therapies for improved outcomes in brain cancer patients.
Area of Science:
- Neuro-oncology
- Biotechnology
- Medical Physics
Background:
- Brain metastases (BMs) are a major cause of cancer-related mortality.
- Systemic therapy for BMs is limited by the blood-brain barrier and unique tumor microenvironment.
- Current treatment strategies face challenges in drug delivery, tumor heterogeneity, and monitoring genetic alterations.
Purpose of the Study:
- To review the potential of focused ultrasound (FUS) in addressing challenges associated with brain metastases.
- To explore novel applications of FUS beyond traditional methods like thermoablation and histotripsy.
- To discuss combinatorial strategies of FUS with existing and emerging therapies for BMs.
Main Methods:
- Review of current literature on focused ultrasound applications in neuro-oncology.
- Analysis of FUS-mediated drug delivery, radiosensitization, immunomodulation, and liquid biopsy.
- Discussion of FUS integration with targeted therapies and immunotherapies for BMs.
Main Results:
- FUS demonstrates potential for enhanced drug delivery across the blood-brain barrier.
- Novel FUS applications include plasma sono-liquid biopsy for real-time monitoring.
- FUS can potentiate radiosensitization and immunomodulation in the brain tumor microenvironment.
Conclusions:
- Focused ultrasound presents a versatile platform for multimodal treatment of brain metastases.
- Combinations of FUS with targeted and immunotherapies hold significant promise for improved BMs management.
- Optimizing FUS delivery platforms and research strategies is crucial for advancing clinical applications in neuro-oncology.
