Processed Amnion Tissue for Therapeutic Agent Loading
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Solution Overview
Problem
Current medical applications of placental tissue are limited by its inability to effectively deliver therapeutic agents, such as small molecules, proteins, cytokines, and growth factors, due to its low loading capacity and retention capabilities.
Innovation Solution
Processing placental tissue, specifically the amnion, with agents like hydrogen peroxide, peracetic acid, or detergents to enhance its capacity to bind and release therapeutic agents, increasing its loading and retention capabilities, and allowing for controlled release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If placental tissue is used directly without processing, then the tissue maintains its natural structure and biocompatibility, but it has low loading capacity and poor retention of therapeutic agents
Solution Approach 1:
The patent applies chemical processing agents (oxidizing agents, detergents, solvents) to modify the physical and chemical parameters of placental tissue. These treatments alter the tissue's structural properties, increasing porosity and surface area, which enhances both loading capacity and retention of therapeutic agents while maintaining biocompatibility
Solution Approach 2:
The processing methods create a more porous structure in the placental tissue matrix. This increased porosity provides greater surface area and internal volume for therapeutic agent loading, directly addressing the low loading capacity issue while the controlled pore structure improves retention through enhanced binding sites
2Quantity of substance
If placental tissue is processed with chemical agents, then loading capacity increases, but tissue integrity and biocompatibility may be compromised
Solution Approach 1:
The patent employs controlled, partial chemical treatment rather than complete or excessive processing. The tissue is exposed to processing agents for optimized durations and concentrations that achieve sufficient structural modification for enhanced loading capacity while preserving adequate tissue integrity and biological functionality
Solution Approach 2:
The processing agents act as intermediaries that temporarily modify tissue structure to enable therapeutic agent loading, then are removed or neutralized. This intermediary approach allows structural enhancement without permanently compromising tissue integrity or introducing harmful residues
3Reliability
If placental tissue is processed to enhance therapeutic agent binding, then retention improves, but the complexity of the preparation process increases
Solution Approach 1:
The patent performs preliminary chemical processing of the placental tissue in advance to pre-enhance its binding and retention capabilities. This preliminary action creates a prepared matrix with optimized properties before therapeutic agents are introduced, simplifying the overall process by consolidating enhancement steps before the critical loading phase
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 processed amnion demonstrates significantly increased loading and retention of therapeutic agents, enabling effective delivery for wound healing, osteoarthritis, pain management, and other medical applications with improved efficacy.
Implementation Method 1
a composition comprises ex-vivo placental tissue treated with hydrogen peroxide (H2O2)
Implementation Method 2
a composition comprises ex-vivo placental tissue treated with peracetic acid (C2H4O3)
Data Source
AI summary
Methods of preparing placental tissue products/compositions are disclosed together with methods of utilizing the placental tissue composition for delivery of a therapeutic agent.