Triazole Compounds as Selective Kv3 Channel Inhibitors

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Solution Overview

Problem

Current treatments for hearing disorders, such as hearing loss and tinnitus, as well as schizophrenia and epilepsy, lack effective and safe oral medication options that can be administered over a prolonged period, and there is a need for modulators of Kv3 channels that demonstrate channel selectivity and desirable pharmacokinetic parameters.

Innovation Solution

Development of compounds of formula (I), which are small molecule modulators of Kv3 channels, specifically designed to target Kv3.1, Kv3.2, and Kv3.3 channels, offering potential therapeutic benefits for hearing disorders, schizophrenia, epilepsy, and sleep disorders by enhancing or altering channel function.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If current treatments for hearing disorders and CNS conditions are used, then therapeutic effect is achieved, but safety and tolerability for prolonged oral administration deteriorate

Engineering Contradiction:
Improvetherapeutic effectVSAvoidsafety and tolerability
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent develops novel triazole compounds with modified chemical structures and pharmacokinetic parameters compared to existing treatments. By changing molecular parameters (chemical composition, structure), the compounds achieve therapeutic efficacy while improving safety and tolerability profiles for prolonged oral administration in hearing disorders and CNS conditions

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If Kv3 channel modulators are developed for hearing disorders and CNS conditions, then channel selectivity is improved, but pharmacokinetic parameters deteriorate

Engineering Contradiction:
Improvechannel selectivityVSAvoidpharmacokinetic parameters
Core Design Contradiction:
Measurement precisionVSDuration of action of moving object

Solution Approach 1:

The patent optimizes the pharmacokinetic parameters (absorption, distribution, metabolism, excretion) of Kv3 channel modulators by modifying chemical structures. This allows the compounds to maintain desired channel selectivity while achieving improved pharmacokinetic profiles suitable for prolonged oral administration

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces specific structural modifications at particular positions of the triazole core (substituents on nitrogen and carbon atoms) to achieve local optimization of both channel selectivity and pharmacokinetic properties, allowing different regions of the molecule to contribute differently to overall performance

Inventive Principle:
Principle #3Local quality

3Duration of action of stationary object

If existing oral medications are used for prolonged periods, then treatment continuity is maintained, but safety and tolerability deteriorate

Engineering Contradiction:
Improvetreatment continuityVSAvoidsafety and tolerability
Core Design Contradiction:
Duration of action of stationary objectVSObject-affected harmful factors

Solution Approach 1:

The patent develops novel compounds with improved safety and tolerability parameters that enable prolonged oral administration. By modifying chemical structures and pharmacokinetic properties, the compounds maintain treatment continuity over extended periods without the safety deterioration associated with existing medications

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11180461B2Triazoles as Kv3 inhibitors
Publication Date: 2021.11.23 AUTIFONY THERAPEUTICS
  • US11180461B2 patent drawing
  • US11180461B2 patent drawing
  • US11180461B2 patent drawing

AI summary

Compounds of formula (I) are of use in the modulation of Kv3.1, Kv.3.2 and Kv3.3 channels and have utility in the treatment or prevention of related disorders.