Curcumin Analogs Enhance Bioavailability for Stroke Treatment

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current treatments for gliomas and intracerebral hemorrhage have limited efficacy due to low systemic bioavailability of curcumin and the need for novel therapeutic approaches, as gliomas are aggressive and intracerebral hemorrhage is difficult to treat with existing methods.

Innovation Solution

Development of curcumin analogs with enhanced systemic bioavailability, which can be administered in various forms, including pharmaceutically acceptable salts, prodrugs, and compositions for parenteral, oral, or topical delivery, to target NFκB activity and reduce inflammation and cell proliferation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If curcumin is administered orally for treating intracerebral hemorrhage, then anti-inflammatory and antioxidant effects are achieved, but systemic bioavailability remains low

Engineering Contradiction:
Improvetherapeutic effectivenessVSAvoidsystemic bioavailability
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent modifies the chemical structure of curcumin by changing parameters such as hydroxyl group positions, methoxyl group substitutions, and molecular weight to create analogs with improved pharmacokinetic properties including enhanced systemic bioavailability while retaining therapeutic activity against intracerebral hemorrhage

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent develops composite curcumin analog structures combining different functional groups (hydroxyl, methoxyl, carboxyl) in specific arrangements to create molecules that simultaneously achieve high bioavailability, blood-brain barrier penetration, and potent anti-inflammatory effects

Inventive Principle:
Principle #40Composite materials

2Reliability

If curcumin is used to treat gliomas, then anti-proliferative effects are observed, but the aggressive nature of gliomas limits treatment efficacy

Engineering Contradiction:
Improveanti-tumor efficacyVSAvoidglioma aggressiveness
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent optimizes curcumin analog parameters including molecular weight (300-500 Da), logP values (2-4), and specific functional group configurations to enhance penetration into glioma cells and improve anti-proliferative activity against aggressive tumor cells

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces specific functional groups at strategic positions on the curcumin backbone to create local chemical properties that selectively target glioma cells, enhancing apoptosis induction and inhibiting NFκB-mediated survival pathways in tumor cells while sparing normal cells

Inventive Principle:
Principle #3Local quality

3Reliability

If NFκB activation occurs in intracerebral hemorrhage, then inflammatory mediators are upregulated, but this leads to increased blood-brain barrier permeability and vasogenic edema

Engineering Contradiction:
Improveinflammatory response controlVSAvoidblood-brain barrier disruption
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent employs curcumin analogs that preemptively inhibit NFκB activation and downstream inflammatory mediator expression (TNF-α, IL-6, IL-1β) to prevent the cascade of events leading to blood-brain barrier disruption and vasogenic edema, rather than treating these effects after they occur

Inventive Principle:
Principle #9Preliminary anti-action

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 curcumin analogs demonstrate increased bioavailability and effectiveness in reducing glioma cell viability, inflammation, and hematoma size, improving neurological outcomes and providing a potential treatment for gliomas and intracerebral hemorrhage.

Implementation Method 1

The activation of the pro-inflammatory transcription factor, NFκB, increased the expression of inflammatory mediators... Curcumin... possesses anti-inflammatory and antioxidant properties, in part via a reduction in AP-1 and NFκB activity

Methodology Applied
Scientific EffectChemical interaction: Chemical Bonding

Implementation Method 2

Curcumin... possesses anti-inflammatory and antioxidant properties

Methodology Applied
Scientific EffectAntioxidant activity: Oxidation

Data Source

PatentUS9371263B2Protective effects of curcumin against hemorrhagic stroke injury
Publication Date: 2016.06.21 AUGUSTA UNIV RES INST INC
  • US9371263B2 patent drawing
  • US9371263B2 patent drawing
  • US9371263B2 patent drawing

AI summary

Disclosed herein are compounds, compositions and methods for preventing and treating diseases such as intracerebral hemorrhage, cancer, or conditions associated with damaged cells, activated lymphocytes, or microbial products. The disclosed compounds are curcumin analogs. The curcumin analogs possess anti-inflammatory and antioxidant properties, which in part, reduce AP-1 and NF-κB activity.