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Targeted Cancer Therapies

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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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Modeling Brain Metastasis by Internal Carotid Artery Injection of Cancer Cells

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Molecular testing and targeting for solid tumors with CNS metastases.

Kate E Therkelsen¹, Toni Cao¹, Meaghan Roy-O'Reilly¹

¹Division of Neuro-oncology, Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Palo Alto, CA, USA.

Journal of Neuro-Oncology

|April 3, 2025

Summary

Molecular testing for solid tumors is growing. Understanding these tests helps guide treatment for patients with metastatic brain tumors.

Keywords:

Brain metastases Breast cancer Chemotherapy Lung cancer Melanoma Metastatic cancer Molecular testing Targeted treatment

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Area of Science:

Oncology
Molecular Diagnostics
Neuro-oncology

Background:

The field of molecular testing for solid tumors is evolving quickly.
Accurate molecular profiling is crucial for targeted therapy selection.

Purpose of the Study:

To review current molecular testing options for solid tumors.
To highlight the implications of these tests for central nervous system (CNS) metastases.
To inform clinical decision-making in neuro-oncology.

Main Methods:

Literature review of recent advancements in molecular diagnostics for solid tumors.
Analysis of testing methodologies and their clinical utility.
Discussion of challenges and limitations in testing CNS metastases.

Main Results:

Molecular testing provides actionable insights for a growing number of solid tumors.
Specific genomic alterations can be targeted with approved therapies.
Testing limitations exist, particularly for tissue acquisition and analysis in the CNS.

Conclusions:

Comprehensive molecular testing is essential for optimizing treatment strategies in patients with solid tumors, including those with CNS metastases.
Continued research is needed to overcome current testing challenges and expand therapeutic options.