Breast Cancer Bone Metastasis: A Narrative Review of Emerging Targeted Drug Delivery Systems

Area of Science:

• Oncology
• Nanomedicine
• Biotechnology

Background:

• Bone is a frequent site for breast cancer metastasis, significantly reducing patient survival and quality of life.
• Current treatment options for breast cancer bone metastasis are limited.
• Nanotechnology-based delivery systems show promise for targeted therapy in bone metastasis.

Purpose of the Study:

• To review advanced nanotechnologies for targeted delivery of therapeutics to bone in breast cancer.
• To highlight applications in treatment, diagnosis, and prevention of breast cancer bone metastasis.
• To explore the potential of these approaches to improve patient outcomes.

Main Methods:

• Review of emerging nanotechnology-based delivery systems.
• Analysis of nanoparticle conjugation with targeting agents for selective delivery.
• Evaluation of payloads including anticancer therapeutics, contrast agents, and photodynamic/photothermal materials.

Main Results:

• Nanoparticles can be engineered to target metastatic bone lesions.
• Targeted delivery enhances the efficacy of anticancer agents and diagnostic tools.
• Advanced nanotechnologies offer potential for multimodal therapeutic strategies.

Conclusions:

• Targeted nanomedicine represents a promising frontier for managing breast cancer bone metastasis.
• Further understanding of these technologies can lead to improved patient quality of life and survival.
• Nanotechnology facilitates integrated approaches for treatment, diagnosis, and prevention.