Oleanolic Acid Derivatives for Inflammation Modulation
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Solution Overview
Problem
Current anti-inflammatory and antioxidant therapies for diseases associated with oxidative stress and inflammation, such as cancer, autoimmune diseases, and neurodegenerative disorders, are inadequate due to side effects, limited efficacy, and inability to address chronic inflammation and oxidative stress effectively.
Innovation Solution
Development of new synthetic oleanolic acid derivatives with specific chemical structures that inhibit inflammatory processes and possess antioxidant properties, targeting inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2), which can be used to manufacture compounds for therapeutic applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If COX-2 inhibitors are used to reduce inflammation, then inflammatory symptoms are reduced, but the resolution of inflammation is interfered with and chronic inflammation may persist
Solution Approach 1:
The patent modifies the chemical structure of oleanolic acid by introducing specific substituents at positions 2, 3, and 12 of the triterpenoid core, creating derivatives with optimized balance between COX-2 inhibition and anti-inflammatory activity. This structural parameter change allows the compound to maintain therapeutic benefits while reducing adverse effects on inflammation resolution
Solution Approach 2:
The invention combines multiple functional properties in a single compound: COX-2 inhibition, antioxidant activity, and anti-inflammatory effects. The oleanolic acid derivatives integrate these activities through their specific molecular structure, creating a multi-functional therapeutic agent that addresses multiple aspects of inflammatory disease simultaneously
2Object-affected harmful factors
If corticosteroids are used for anti-inflammatory treatment, then inflammation is reduced, but undesirable side effects occur
Solution Approach 1:
The patent extracts and isolates the beneficial anti-inflammatory and antioxidant properties from the complex mechanism of corticosteroids, concentrating these effects in the oleanolic acid derivatives. By focusing on specific molecular targets and pathways, the invention achieves anti-inflammatory efficacy without the broad-spectrum side effects associated with corticosteroid therapy
3Reliability
If protein-based drugs such as anti-TNF monoclonal antibodies are used, then certain autoimmune diseases are treated effectively, but injection administration is required and severe side effects may occur
Solution Approach 1:
The patent employs small molecule oleanolic acid derivatives that can be administered orally rather than by injection. These smaller, more stable molecules provide a convenient alternative to large protein-based drugs, eliminating the need for injection while maintaining therapeutic efficacy through oral bioavailability
4Object-affected harmful factors
If existing anti-inflammatory drugs are used, then inflammation is treated, but antioxidant properties are insufficient and oxidative stress is not reduced
Solution Approach 1:
The oleanolic acid derivatives exhibit dual functionality by simultaneously providing anti-inflammatory and antioxidant activities. The molecular structure incorporates features that enable both COX-2 inhibition and free radical scavenging, making the compound versatile against diseases involving both inflammatory and oxidative stress pathways
Data Source
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AI summary
This invention provides, but is not limited to, novel oleanolic acid derivatives having the formula (I) wherein the variables are defined herein. Also provided are pharmaceutical compositions, kits and articles of manufacture comprising such compounds, methods and intermediates useful for making the compounds, and methods of using the compounds and compositions.