Coated Oral Polymer Drug Composition for Intestinal Absorption
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Solution Overview
Problem
Existing pharmaceutical compositions face challenges in oral administration of polymer components like peptides and proteins due to membrane permeation restrictions in the small intestine, necessitating alternative administration routes such as intravenous injection.
Innovation Solution
A pharmaceutical composition comprising a core particle with a medicinal ingredient and an absorption enhancing agent, coated with a layer of coating particles, which enhances absorption in the small intestine by utilizing an absorption enhancing agent and potentially an enteric polymer, thickener, and specific coating materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If polymer components such as peptides and proteins are administered orally, then the administration route is simplified and patient compliance is improved, but membrane permeation in the small intestine restricts absorption and bioavailability
Solution Approach 1:
The patent introduces an absorption enhancing agent as an intermediary substance that mediates between the polymer component (peptide or protein) and the intestinal membrane. This agent facilitates membrane permeation by forming a complex with the polymer component, enabling it to pass through the intestinal barrier that would otherwise block it. The intermediary agent bridges the gap between the orally administered drug and its absorption site.
Solution Approach 2:
The patent changes the physical and chemical parameters of the polymer component by combining it with an absorption enhancing agent. This combination alters the permeability characteristics of the polymer, enabling it to traverse the intestinal membrane. The parameter change involves modifying the interaction between the drug molecule and the membrane through the enhancing agent, thereby improving absorption efficiency.
2Reliability
If intravenous administration is used to ensure reliable delivery of polymer components, then absorption efficiency is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent extracts the essential function of reliable delivery from the intravenous administration system and transfers it to an oral formulation. By isolating the absorption enhancing agent as the key functional component, the invention eliminates the need for complex injection equipment and procedures while maintaining reliable drug delivery through oral routes.
Solution Approach 2:
The patent creates a simplified copy of the intravenous delivery function using oral administration. The absorption enhancing agent replicates the reliable delivery mechanism of intravenous injection but through a much simpler oral route, eliminating the need for needles, syringes, and trained personnel while achieving comparable bioavailability.
3Reliability
If absorption enhancing agents are added to increase bioavailability, then medicinal ingredient absorption is improved, but composition complexity increases
Solution Approach 1:
The patent merges the absorption enhancing agent with the polymer component into a single integrated formulation. Rather than treating them as separate entities, the invention combines them into a unified composition where the enhancing agent and drug work together as one system, simplifying the overall composition structure while improving bioavailability.
Solution Approach 2:
The absorption enhancing agent serves multiple functions simultaneously: it enhances membrane permeation, stabilizes the polymer component, and facilitates absorption. This multi-functionality reduces the need for additional separate components, thereby simplifying the overall composition while achieving reliable bioavailability enhancement.
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
Enables effective oral administration of polymer components by increasing bioavailability and safety, with high compliance and low manufacturing costs, while maintaining the integrity of the composition.
Implementation Method 1
a core particle containing a medicinal ingredient and an absorption enhancing agent... enhances absorption in the small intestine by utilizing an absorption enhancing agent
Implementation Method 2
a coating particle layer coating the core particle... maintaining the integrity of the composition
Implementation Method 3
the core particle further contains a thickener... with high compliance and low manufacturing costs
Data Source
AI summary
Provided is a pharmaceutical composition or the like having a new form capable of being orally administered even when the pharmaceutical composition contains a polymer component as a medicinal ingredient. A pharmaceutical composition includes: a core particle containing a medicinal ingredient and an absorption enhancing agent; and a coating particle layer coating the core particle.