Boron Neutron Capture Therapy Molecule Selectivity
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Solution Overview
Problem
Current boron neutron capture therapy agents, such as 4-Borono-L-phenylalanine, have limitations in selectivity for tumor tissue and tumor uptake, which can be improved to enhance anti-cancer efficacy.
Innovation Solution
Development of compounds with specific structures, such as Formula (I), which can selectively accumulate in cancer cells and are enriched in one enantiomer or a pharmaceutically acceptable salt, allowing for enhanced tumor:healthy tissue ratios when combined with neutron irradiation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If 4-Borono-L-phenylalanine (BPA) is used as a boron neutron capture therapy agent, then the therapy can be performed with an approved agent, but the selectivity for tumor tissue and tumor uptake only meet minimal requirements
Solution Approach 1:
The patent modifies the chemical structure of BPA by introducing various substituents (R1, R2, R3 groups) at different positions on the phenyl ring. These parameter changes in molecular structure are designed to enhance the compound's ability to selectively accumulate in tumor cells while maintaining its boron neutron capture therapy functionality. The systematic variation of substituent groups allows optimization of tumor uptake and selectivity beyond the minimal requirements of unmodified BPA.
2Productivity
If BPA is used for boron neutron capture therapy, then the treatment can proceed, but the tumor:healthy tissue ratio is insufficient for improved anti-cancer efficacy
Solution Approach 1:
The patent introduces specific substituent groups (R1, R2, R3) at localized positions on the BPA molecular structure to create regions with enhanced tumor-targeting properties. Different substituent combinations are designed to interact specifically with tumor cell characteristics, thereby locally enhancing the compound's affinity for tumor tissue while sparing healthy tissue. This localized modification strategy aims to achieve superior tumor:healthy tissue ratios compared to unmodified BPA.
Data Source
AI summary
Disclosed are compounds, compositions, and methods useful for boron neutron capture therapy.