Enteric-Coated Dry Powder Formulations for Consistent Oral Bioavailability
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Solution Overview
Problem
Existing oral delivery methods for active ingredients result in uneven bioavailability due to interactions with stomach acids and food intake, leading to inconsistent absorption and prolonged time to reach the bloodstream.
Innovation Solution
Spray drying compositions with enteric coatings to encapsulate active ingredients, allowing them to bypass stomach acids and release in the gastrointestinal tract, ensuring consistent and higher bioavailability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If oral delivery methods are used for active ingredients, then the pharmaceutical can be administered easily, but the bioavailability becomes uneven due to interactions with stomach acids and food intake
Solution Approach 1:
The pharmaceutical composition is divided into discrete microcapsules or particles, each containing a specific amount of active ingredient. This segmentation allows for controlled release and consistent delivery of the active ingredient, bypassing the variability of stomach acid interactions and food intake effects.
Solution Approach 2:
An enteric coating layer is introduced as an intermediary between the active ingredient and the stomach environment. This coating acts as a protective barrier that prevents premature release and degradation of the active ingredient in the stomach, ensuring it reaches the intestines where it can be effectively absorbed.
2Reliability
If enteric coatings are applied to encapsulate active ingredients, then bioavailability is enhanced by bypassing stomach acids, but the device complexity increases
Solution Approach 1:
The enteric coating is designed to change its properties in response to pH variations. It remains intact in the acidic stomach environment (low pH) and dissolves or becomes permeable in the more neutral intestinal environment (higher pH). This parameter-based control simplifies the overall system by using the body's natural pH gradient rather than complex mechanical or chemical release mechanisms.
3Object-affected harmful factors
If spray drying is used to create encapsulated particles, then the active ingredient is protected from stomach acids, but the manufacturing precision requirements increase
Solution Approach 1:
The spray drying process utilizes periodic or controlled cycles of atomization, drying, and particle formation. By controlling the spray rate, drying conditions, and atomization parameters in a systematic manner, consistent particle sizes and uniform encapsulation can be achieved, reducing the stringency of manufacturing precision requirements.
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
Enhances bioavailability and reduces the time required for pharmaceuticals to reach the bloodstream by bypassing stomach acids, while also allowing for reduced dosing levels.
Implementation Method 1
Spray drying compositions with enteric coatings to encapsulate active ingredients
Implementation Method 2
enteric coatings to encapsulate active ingredients, allowing them to bypass stomach acids and release in the gastrointestinal tract
Data Source
AI summary
Provided herein are pharmaceutical compositions, kits comprising pharmaceutical compositions, methods of treating disease, and methods of making compositions and kits described herein. The pharmaceutical compositions described herein are powdery pharmaceutical compositions. The powdery pharmaceutical compositions herein can contain particles that are encapsulated with multiple layers of material.