TLR4 Modulators Decouple Opioid Analgesia from Glial Activation

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Solution Overview

Problem

Current pain management therapies, particularly those involving opioids, often result in unwarranted dependency and side effects due to inadequate modulation of Toll-like receptor (TLR) activity, which contributes to neuropathic pain, opioid tolerance, and dependence.

Innovation Solution

Development of compounds that modulate TLR4 activity, specifically by administering a compound of formula I, which can be used in conjunction with opioids to inhibit TLR4 activity, thereby reducing opioid side effects and enhancing analgesic efficacy while minimizing dependency and tolerance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If opioid pharmacotherapy is used to treat pain, then pain relief is achieved, but dependency and side effects occur

Engineering Contradiction:
Improvepain relief efficacyVSAvoiddependency and side effects
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent introduces TLR modulators as intermediary compounds that mediate between opioid administration and glial cell activation. These modulators selectively target TLR pathways in glial cells to prevent the harmful activation cascade while allowing opioid analgesic effects to proceed through neuronal opioid receptors, thus decoupling therapeutic benefit from harmful side effects

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention applies local quality by selectively modulating TLR activity specifically in glial cells while leaving neuronal opioid receptor function unchanged. This spatial and cellular specificity allows the patent to address harmful glial activation without compromising the essential pain-relieving neuronal pathways

Inventive Principle:
Principle #3Local quality

2Object-generated harmful factors

If TLR activity is not modulated, then opioid dependency develops, but without modulation, neuropathic pain persists

Engineering Contradiction:
Improveopioid dependencyVSAvoidneuropathic pain treatment
Core Design Contradiction:
Object-generated harmful factorsVSReliability

Solution Approach 1:

TLR modulators serve as intermediary agents that specifically intervene in the glial activation pathway triggered by opioids. By targeting TLR signaling in glial cells, these modulators prevent the development of dependency and tolerance while simultaneously addressing neuropathic pain components that arise from glial-mediated inflammation and sensitization

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If high doses of opioids are administered to overcome tolerance, then analgesic effect is maintained, but dependency and side effects increase

Engineering Contradiction:
Improveanalgesic effectVSAvoiddependency and side effects
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent employs TLR modulators as intermediary compounds that prevent glial cell activation and the subsequent development of opioid tolerance. By blocking the TLR signaling pathway in glial cells, these modulators maintain opioid sensitivity at lower doses, preventing the need for dose escalation and thereby reducing dependency risk and side effects

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention changes the pharmacological parameter landscape by introducing a new target (TLR pathway in glial cells) that regulates opioid response. This allows optimization of opioid dosing parameters by preventing tolerance development, thereby maintaining effective analgesia at lower, safer doses rather than requiring increasing doses to overcome tolerance

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP2480536B1Toll-like receptor modulators and uses thereof
Publication Date: 2014.08.13 THE REGENTS OF THE UNIVERSITY OF COLORADO
  • EP2480536B1 patent drawingFigure 1a~3A
  • EP2480536B1 patent drawingFigure 3B~4
  • EP2480536B1 patent drawingFigure 5A~5B

AI summary

The present invention provides a compound selected from the group consisting of: Formula (I) and Formula (II), where n, m, X1, X2, X3, X4, R1, R2, R3, R11, R12, Y1, Y2, Y3, Y4, and Y5 are those defined herein. Some aspects of the invention also provides methods for using these compounds and compositions comprising the same.