Pyridine Compounds Modulating Ion Channels for Pain Relief
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Solution Overview
Problem
Current sodium channel and calcium channel blockers for pain management have limited efficacy due to side effects such as CNS disturbances, cardiac arrhythmias, and cardiac failure, highlighting the need for more potent and less side-effect-prone antagonists.
Innovation Solution
Development of compounds that inhibit voltage-gated sodium channels and calcium channels, specifically formulated as pharmaceutical compositions to treat various pain conditions, including acute, chronic, and neuropathic pain, using specific chemical structures that target these channels with higher potency and reduced side effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current sodium channel and calcium channel blockers are used for pain management, then pain relief is achieved, but side effects such as CNS disturbances, cardiac arrhythmias, and cardiac failure occur
Solution Approach 1:
The patent applies parameter changes by developing new chemical compounds with modified molecular structures (formulas I and II with specific substituents R1-R6) that alter the pharmacological parameters of sodium and calcium channel blocking. These structural modifications enable the compounds to achieve effective pain relief while reducing harmful side effects by changing the interaction profile with cardiac and CNS targets compared to existing blockers
2Reliability
If higher potency antagonists are developed to improve pain management, then efficacy is improved, but the risk of adverse effects may increase
Solution Approach 1:
The patent applies local quality by designing compounds with specific local structural features (substituents at positions R1-R6 in formulas I and II) that are optimized for binding to voltage-gated sodium and calcium channels in pain pathways. These localized structural modifications enable selective interaction with pain-related channels while minimizing off-target effects on cardiac channels, thus achieving high potency with reduced adverse effects
Data Source
AI summary
The present invention relates to compounds useful as inhibitors of voltage-gated sodium channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders.