Small Molecules Binding TDP-43 to Block Nucleic Acid Interactions

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Solution Overview

Problem

Current treatments for amyotrophic lateral sclerosis (ALS), frontotemporal lobar degeneration of the TDP-43 type (FTLD-TDP-43), chronic traumatic encephalopathy (CTE), and inclusion body myositis (IBM) lack disease-modifying therapies that can slow or halt disease progression, improve quality of life, and extend lifespan, as they primarily focus on symptomatic relief.

Innovation Solution

Development of compounds that bind to the TDP-43 protein, specifically small molecules capable of modulating TDP-43, including enantiomers, diastereomers, hydrates, solvates, pharmaceutically acceptable salts, isotopic analogs, and prodrugs, to prevent or treat diseases associated with TDP-43 proteinopathies by blocking nucleic acid binding to TDP-43.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If current symptomatic treatments are used for ALS and TDP-43 related diseases, then quality of life and lifespan are improved, but disease progression is not slowed or halted

Engineering Contradiction:
Improvedisease progression controlVSAvoidtreatment effectiveness
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent introduces small molecule compounds as intermediary substances that bind to TDP-43 protein and block its interaction with nucleic acids. These compounds serve as mediators between the disease pathology and therapeutic intervention, preventing harmful TDP-43 nucleic acid binding while maintaining essential functions. The compounds act as molecular intermediaries that modulate protein-nucleic acid interactions to achieve disease-modifying effects.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If disease-modifying therapies are developed to slow or halt disease progression, then unmet medical need is addressed, but current treatments lack such capability

Engineering Contradiction:
Improvetherapeutic efficacyVSAvoiddisease modification capability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent employs parameter changes by modifying the binding characteristics of TDP-43 through small molecule intervention. The compounds alter the biochemical parameters of TDP-43 nucleic acid binding, changing the affinity and specificity of these interactions. By changing the binding parameters rather than eliminating TDP-43 function entirely, the therapy achieves disease modification while preserving essential physiological roles of TDP-43.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If small molecules binding to TDP-43 are developed, then nucleic acid binding is blocked and disease progression is slowed, but no FDA-approved disease-modifying treatments currently exist

Engineering Contradiction:
Improvedisease progression controlVSAvoidFDA approval status
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent enables TDP-43 to serve itself by designing compounds that modulate rather than eliminate its function. The small molecules allow TDP-43 to maintain its essential cellular roles while preventing pathological nucleic acid binding. This self-service approach preserves the protein's beneficial functions while correcting its harmful interactions, potentially facilitating regulatory approval by maintaining physiological balance.

Inventive Principle:
Principle #25Self-service

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

The proposed compounds effectively treat or prevent TDP-43-related diseases by modulating TDP-43, potentially slowing disease progression and improving quality of life for patients, and can also be used as imaging agents for diagnostic purposes.

Implementation Method 1

compounds that bind to the protein trans-activating response (TAR) DNA binding protein TDP-43 and block the binding of nucleic acid to TDP-43

Methodology Applied
Scientific EffectMolecular binding: Absorption (physical)

Data Source

PatentUS20240148722A1Small molecules that bind to TDP-43 for the treatment of ALS and related disorders
Publication Date: 2024.05.09 FOX CHASE CHEM DIVERSITY CENT
  • US20240148722A1 patent drawing
  • US20240148722A1 patent drawing
  • US20240148722A1 patent drawing

AI summary

The present invention relates to compounds that bind to TDP-43 and may have a therapeutic effect in treating a human disease, such as amyotrophic lateral sclerosis, frontotemporal lobar degeneration, hippocampal sclerosis of aging, chronic traumatic encephalopathy, inclusion body myositis, Alzheimer's disease, and/or Alzheimer's disease related disorders.