Targeted Drug Delivery Particles with Electrostatic Moieties
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Solution Overview
Problem
Current drug delivery methods lack specificity in targeting active pharmaceutical ingredients to specific cells or tissues, often resulting in non-selective distribution and reduced efficacy.
Innovation Solution
Development of targeted drug delivery complexes comprising particles with a targeting moiety and an active pharmaceutical ingredient, where the particle can be made from various materials like waxes and polymers, and the moiety is attached electrostatically to optimize binding to specific cells or tissues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional drug delivery methods are used, then the drug can be administered broadly, but the drug lacks specificity in targeting active pharmaceutical ingredients to specific cells or tissues
Solution Approach 1:
The drug delivery system is segmented into distinct functional components: a particle core for drug loading, a targeting moiety for specific cell recognition, and a pharmaceutically acceptable vehicle for administration. This segmentation allows each component to be optimized independently while maintaining overall system functionality.
Solution Approach 2:
A targeting moiety acts as an intermediary between the particle and the specific cell or tissue. This intermediary component enables selective binding to target cells through specific molecular interactions, thereby achieving precise targeting without requiring direct modification of the particle structure.
2Reliability
If conventional non-selective drug distribution is used, then the formulation is simpler, but the therapeutic efficacy is reduced
Solution Approach 1:
The formulation incorporates local quality by equipping particles with specific targeting moieties that confer selective binding capability to particular cell types or tissues. This localized functional differentiation ensures that only target cells receive the therapeutic agent, thereby enhancing therapeutic efficacy while maintaining a relatively simple overall formulation structure.
3Measurement precision
If targeted drug delivery complexes with electrostatic attachment are used, then binding to specific cells is optimized, but the manufacturing process becomes more complex
Solution Approach 1:
The patent utilizes parameter changes by controlling the electrostatic properties of the particle surface and targeting moiety to optimize binding specificity. By adjusting parameters such as surface charge density and electrostatic potential, the system achieves enhanced selective binding to target cells while maintaining a manufacturing process that leverages well-established electrostatic interaction principles.
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
This approach enables precise targeting and delivery of pharmaceutical ingredients to selected cells or tissues, enhancing the therapeutic effect and reducing side effects by using particles with controlled size and surface charge, and incorporating a wide range of active ingredients, including toxins.
Implementation Method 1
the moiety is attached electrostatically to optimize binding to specific cells or tissues
Data Source
AI summary
A targeted drug delivery complex containing a particle, a targeting moiety electrostatically attached to the particle, and an active pharmaceutical ingredient attached to or dispersed or dissolved within the particle is provided. Also provided are pharmaceutical formulations containing a plurality of the complexes as well as methods for use in targeting an active pharmaceutical ingredient to a selected cell or tissue and production of such formulations.