Marine Phospholipid Emulsions for Low-Bioavailability Therapeutics
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Solution Overview
Problem
Existing formulations struggle to enhance the bioavailability of therapeutic compounds with low solubility and low permeability, particularly those classified as BCS Class 2, 3, or 4, due to inadequate absorption in the gastrointestinal tract.
Innovation Solution
A combination of marine phospholipids, primarily derived from krill, with a high content of phosphatidylcholine and omega-3 moieties, forms stable emulsions with droplet sizes less than 500 nm, enhancing the absorption of lipophilic substances like omega-3 fatty acids, curcumin, CoQ10, and CBD by increasing solubility and permeability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional formulations are used for BCS Class 2, 3, or 4 compounds, then manufacturing is simple, but bioavailability and absorption are poor
Solution Approach 1:
The patent uses phospholipid-based composite materials (lecithin granules, self-microemulsifying formulations) that combine multiple functional components to simultaneously improve solubility and permeability of BCS Class 2, 3, and 4 compounds, resolving the contradiction between achieving high bioavailability and maintaining formulation simplicity
Solution Approach 2:
The patent modifies physical parameters of the formulation by creating self-microemulsifying systems with specific droplet sizes and critical micelle concentration properties, changing the solubility and dissolution rate parameters to enhance bioavailability without complex manufacturing processes
2Reliability
If phospholipid formulations are used to enhance absorption, then bioavailability improves, but the formulation complexity increases
Solution Approach 1:
The patent employs self-microemulsifying formulations that automatically form microemulsions in the gastrointestinal tract without requiring external emulsification equipment or complex processing, allowing the formulation to self-assemble and enhance absorption through its inherent phospholipid structure
Solution Approach 2:
The patent pre-forms lecithin granules and self-microemulsifying systems during manufacturing that are designed to automatically disperse and form absorbable microemulsions upon contact with gastrointestinal fluids, performing the emulsification action in advance before administration
3Productivity
If droplet size is reduced to enhance absorption, then surface area increases for better dissolution, but manufacturing precision requirements increase
Solution Approach 1:
The patent specifies optimal droplet size parameters (sub-micron range) and phospholipid concentration parameters that naturally self-assemble during formulation preparation, using parameter optimization to achieve high dissolution rates without requiring ultra-precise manufacturing control
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 formulation significantly improves the bioavailability of these compounds, as demonstrated by increased absorption in clinical and in vitro studies, with reduced adverse reactions such as burping and reflux.
Implementation Method 1
forms stable emulsions with droplet sizes less than 500 nm
Implementation Method 2
Smaller droplet sizes will provide a higher surface area which allows for more rapid digestion into omega 3 free fatty acids readily available for absorption
Implementation Method 3
enhancing their bioavailability... dependent on multiple factors, including aqueous solubility, permeability, dissolution rate
Implementation Method 4
The absorption of a given compound depends largely on the solubility of the substance in the gastrointestinal lumen and the permeability across the intestinal epithelium
Data Source
AI summary
The present invention relates to compositions comprising phospholipids for delivery of bioactive compounds such as ethyl esters, fish oil concentrates, cannabinoids, CoQ10 and curcumin under conditions such the bioavailability of the bioactive compounds is enhanced.