Kv7 Channel Opener Compounds for Higher Seizure Threshold
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Solution Overview
Problem
Existing treatments for epilepsy and seizures lack efficacy and are often accompanied by undesired side effects, highlighting an unmet need for novel therapies that effectively target Kv7 potassium channels.
Innovation Solution
Development of novel compounds represented by Formula I, which act as Kv7.2, Kv7.3, and Kv7.5 channel openers, such as (S)-2-(3,3-difluoro-1-hydroxycyclobutyl)-N-(1-(3-(trifluoromethoxy)phenyl)ethyl)acetamide, for use in treating epilepsy, epileptic syndromes, and seizures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing treatments for epilepsy and seizures are used, then treatment coverage is provided, but efficacy is insufficient and undesired side effects occur
Solution Approach 1:
The patent applies parameter changes by modifying the chemical structure of Kv7 channel opener compounds. Specifically, the invention changes parameters such as substituting fluorine atoms at different positions (R1, R2, R3, R4 groups in Formula I), varying alkyl chain lengths, and changing functional groups to optimize both efficacy and reduce side effects. This systematic variation of chemical parameters allows identification of compounds with improved therapeutic profiles compared to existing treatments like retigabine.
2Reliability
If novel Kv7 channel opener compounds are developed, then treatment efficacy is improved, but compound complexity increases
Solution Approach 1:
The patent applies local quality by introducing specific functional groups and substituents at particular positions on the core molecular structure. Instead of completely redesigning the entire molecule, the invention modifies specific regions (local areas) of the compound structure - such as adding fluorine atoms at R1, R2, R3, or R4 positions, or substituting specific alkyl groups - to achieve improved efficacy while maintaining the overall molecular framework and managing complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
These compounds demonstrate anticonvulsant efficacy by increasing the seizure threshold in animal models and provide a therapeutic option with potential for treating various types of epilepsy and seizures, including refractory cases.
Implementation Method 1
Voltage-dependent potassium (Kv) channels conduct potassium ions (K+) across cell membranes in response to changes in the membrane potential and can thereby regulate cellular excitability
Data Source
AI summary
The present invention provides novel compounds (e.g., compounds of Formula I) which activate the Kv7 potassium channels. Separate aspects of the invention are directed to pharmaceutical compositions comprising said compounds and uses of the compounds to treat disorders responsive to the activation of Kv7 potassium channels.