Benzofuran TRPM3 Antagonists for Potency and Side-Effect Control

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Solution Overview

Problem

There is a significant medical need for novel, alternative, and/or better therapeutics for TRPM3 mediated disorders such as pain and epilepsy, particularly inflammatory pain and epileptic encephalopathies, with a focus on compounds that have good potency, low side-effects, and favorable pharmacokinetic or -dynamic properties.

Innovation Solution

Development of benzofuran derivatives that act as TRPM3 antagonists, which can be used as modulators for TRPM3 mediated disorders, including the prevention or treatment of pain, epilepsy, and inflammatory hypersensitivity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing TRPM3 antagonists are used, then some therapeutic effect is achieved, but they lack optimal potency, have side effects, or show poor pharmacokinetic properties

Engineering Contradiction:
Improvetherapeutic efficacyVSAvoidside effects
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent applies parameter changes by systematically modifying chemical structure parameters of TRPM3 antagonists. The core benzofuran structure is optimized through varying substituents at different positions (R1-R8 groups), adjusting molecular properties to improve potency while reducing side effects. This includes changing lipophilicity, molecular weight, and functional group characteristics to achieve better therapeutic profiles.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs composite material principles by creating complex multi-substituent benzofuran derivatives that combine multiple functional groups within a single molecule. These composite structures integrate hydrophobic and hydrophilic regions, electron-donating and electron-withdrawing groups, to optimize both efficacy and safety profiles simultaneously.

Inventive Principle:
Principle #40Composite materials

2Reliability

If existing TRPM3 antagonists are used, then some pain relief is achieved, but pharmacokinetic properties are not optimal

Engineering Contradiction:
Improveanalgesic effectVSAvoidpharmacokinetic properties
Core Design Contradiction:
ReliabilityVSDuration of action of moving object

Solution Approach 1:

The patent optimizes pharmacokinetic parameters by adjusting molecular characteristics of the benzofuran derivatives. This includes modifying metabolic stability through strategic placement of substituents that resist enzymatic degradation, adjusting solubility through polar group selection, and optimizing molecular size and shape for better tissue penetration and distribution.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If novel TRPM3 antagonists are developed, then therapeutic potential is improved, but development complexity increases

Engineering Contradiction:
Improvetherapeutic potentialVSAvoidcompound structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies segmentation by dividing the complex benzofuran molecule into distinct functional modules (R1-R8 substituent positions). Each position can be independently optimized for specific properties, allowing systematic exploration of structure-activity relationships without overwhelming complexity. This modular approach simplifies the development process by enabling focused optimization of individual regions.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250320189A1New derivatives for treating TRPM3 mediated disorders
Publication Date: 2025.10.16 BIOHAVEN THERAPEUTICS LTD
  • US20250320189A1 patent drawing
  • US20250320189A1 patent drawing
  • US20250320189A1 patent drawing

AI summary

The invention relates to compounds that are useful for the prevention or treatment of TRPM3 mediated disorders, more in particular disorders selected from pain, epilepsy and inflammatory hypersensitivity. The invention also relates to a method for the prevention or treatment of said TRPM3 mediated disorders.