Pentacyclic Triterpenes for Vitiligo Repigmentation

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Solution Overview

Problem

Current treatments for vitiligo are cumbersome, costly, and often come with significant side effects, and there is a need for a more effective, accessible, and side-effect-free therapy that can effectively target keratinocytes and melanocytes.

Innovation Solution

A topical composition comprising pentacyclic triterpenes such as Tingenin A, Tingenin B, and Celastrol, or their pharmaceutically acceptable salts, which are administered to slow down, stabilize, or reverse the progression of vitiligo by targeting inflammatory pathways and oxidative stress.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If current treatments for vitiligo are used, then therapeutic effect is achieved, but treatment complexity and cost increase significantly

Engineering Contradiction:
Improvetherapeutic effectVSAvoidtreatment complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts and utilizes specific natural compounds (pentacyclic triterpenes from Tripterygium wilfordii) that possess the therapeutic effects needed for vitiligo treatment, separating the active therapeutic components from complex treatment protocols. This simplifies treatment by focusing on key active ingredients rather than multiple complex procedures

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent employs a topical composition that can be applied repeatedly at low cost, replacing expensive and complex medical interventions. The natural compound-based treatment offers an affordable, accessible alternative that does not require sophisticated medical infrastructure or expensive biological molecules

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Reliability

If current treatments for vitiligo are used, then therapeutic effect is achieved, but side effects occur

Engineering Contradiction:
Improvetherapeutic effectVSAvoidside effects
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent utilizes compounds from Tripterygium wilfordii that have known anti-inflammatory and immunomodulatory properties, converting substances with potential toxicity into beneficial therapeutic agents through careful selection and topical application. The natural compounds selectively target pathological processes while sparing healthy tissues

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The topical composition acts as an intermediary that delivers therapeutic effects locally to affected skin areas without requiring systemic administration. This localized delivery minimizes exposure of healthy organs to potential side effects while maintaining therapeutic efficacy at the application site

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If current treatments for vitiligo are used, then therapeutic effect is achieved, but accessibility and affordability decrease

Engineering Contradiction:
Improvetherapeutic effectVSAvoidaccessibility and affordability
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent employs a topical composition that can be applied repeatedly at low cost, replacing expensive and complex medical interventions. The natural compound-based treatment offers an affordable, accessible alternative that does not require sophisticated medical infrastructure or expensive biological molecules

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent focuses on specific active compounds (pentacyclic triterpenes) that can be extracted and formulated into simple topical preparations, breaking down complex treatment regimens into manageable, affordable components that can be manufactured and distributed widely

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3965790B1Pentacyclic triterpenes in the treatment of vitiligo
Publication Date: 2024.05.01 PIERRE FABRE DERMO COSMETIQUE SA
  • EP3965790B1 patent drawingFigure 1
  • EP3965790B1 patent drawing
  • EP3965790B1 patent drawing

AI summary

The present invention relates to a composition comprising at least one pentacyclic triterpene or one of the pharmaceutically acceptable salts thereof for use in the treatment and/or prevention of vitiligo.