Metabolism and Immunity-Adapted Radiotherapy (M.I.A.R): A Conceptual Framework for Overcoming the Therapeutic Plateau...

Area of Science:

• Oncology
• Radiation Oncology
• Cancer Metabolism
• Tumor Immunology

Background:

• Radiation therapy (RT) faces limitations in locoregional control for advanced cancers.
• Tumor response to RT is significantly influenced by its dynamic metabolic and immune microenvironment.
• Tumor heterogeneity in molecular and microenvironmental profiles impacts RT effectiveness.

Purpose of the Study:

• To introduce the concept of Metabolism and Immunity Adaptive Radiotherapy (M.I.A.R.) as a novel approach to overcome RT limitations.
• To emphasize the importance of understanding and modulating the tumor microenvironment for improved RT outcomes.
• To highlight the need for personalized interventions based on tumor-specific profiles.

Main Methods:

• Diagnostic workup to identify tumor-specific oncogenes, metabolic, and immune profiles.
• Preconditioning strategies to enhance tumor sensitivity to radiation.
• Concurrent use of metabolism-targeting agents and other drugs during RT.
• Post-RT interventions combining oncogene-targeting therapies, immune treatments, and modulating agents.

Main Results:

• M.I.A.R. integrates diagnostic profiling with multi-faceted therapeutic interventions.
• Preclinical and clinical data support targeting tumor hypoxia, re-oxygenation, and post-RT immunotherapy.
• The approach aims to increase tumor sensitivity and achieve complete tumor eradication.

Conclusions:

• M.I.A.R. represents a theoretical framework for adaptive radiotherapy.
• Personalized interventions targeting tumor metabolism and immunity are crucial for enhancing RT efficacy.
• Further dedicated investigation into M.I.A.R. strategies is strongly supported by existing evidence.