PEA and SEA Blend for Anti-Inflammatory Efficacy

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Solution Overview

Problem

Current cannabinoid derivatives, despite promising experimental evidence, have limited clinical applications due to their interaction with central CB1 receptors, leading to unwanted effects, and there is a need for compounds with specific agonist activities for peripheral CB2 receptors that do not interact with central receptors.

Innovation Solution

The combination of palmitoyl ethanolamide (PEA) and stearoyl ethanolamide (SEA) derivatives exhibits synergistic anti-inflammatory effects in vitro, providing a cannabimimetic pharmacological activity superior to single components, potentially targeting different receptor systems to minimize central effects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cannabinoid derivatives are used to treat inflammatory pathologies, then anti-inflammatory effects are achieved, but unwanted central effects occur due to interaction with CB1 receptors

Engineering Contradiction:
Improveanti-inflammatory efficacyVSAvoidcentral unwanted effects
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent segments the cannabinoid molecule into two distinct components: PEA (palmitoyl ethanolamide) and SEA (stearoyl ethanolamide). This segmentation allows each component to target specific receptor systems - PEA primarily activates CB2 receptors for anti-inflammatory effects, while SEA acts as a negative allosteric modulator to reduce CB1 receptor activation and minimize central unwanted effects.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

SEA functions as an intermediary substance that modulates the interaction between cannabinoids and CB1 receptors. By acting as a negative allosteric modulator, SEA interferes with the binding and activation of CB1 receptors, thereby preventing the transmission of unwanted central signals while allowing PEA to exert its anti-inflammatory effects through CB2 receptors.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If single cannabinoid derivatives are used, then specific pharmacological activity is achieved, but the pharmacological activity is insufficient compared to combination therapy

Engineering Contradiction:
Improvepharmacological activityVSAvoidtherapeutic effectiveness
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent merges two distinct cannabinoid derivatives (PEA and SEA) into a single pharmaceutical composition. This combination leverages the complementary mechanisms of action: PEA provides direct CB2 receptor agonist activity for anti-inflammatory effects, while SEA provides negative allosteric modulation of CB1 receptors. The synergistic interaction between these two components produces enhanced therapeutic effectiveness that exceeds the sum of their individual effects.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The pharmaceutical composition represents a composite material system where PEA and SEA work together in a coordinated manner. The composite nature of this formulation allows for simultaneous engagement of multiple receptor systems (CB2 activation and CB1 modulation), creating a more sophisticated and effective therapeutic agent than either component could achieve alone.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentEP2276461B1Pharmaceutical formulation containing palmitoyl ethanolamide and stearoyl ethanolamide
Publication Date: 2014.11.26 HLDG SAS DI MONICO CAV SILVANO

AI summary

The invention concerns new pharmaceutical formulations containing a blend of palmitoyl ethanolamide or PEA and stearoyl ethanolamide or SEA compounds as active principles. The formulation is suitable for oral, parenteral, topical, transdermic, rectal, sublingual, nasal, topical, transdermic, rectal, nasal or sublingual administration, whereby the dosage form of said formulations can be in patches, suppositories, ovules, pessaries, aerosol or spray, emulsions, suspensions, solutions. Said pharmaceutical formulations are useful for the treatment or prevention of skin pathologies, for the treatment or prevention of gynaecological pathologies, for the treatment of disorders or pathologies characterised by improper metabolism of fatty acids as well as for the treatment of disorders or pathologies characterised by inflammatory states.