Simvastatin Ezetimibe Coating Oxygen Exclusion
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Solution Overview
Problem
Current pharmaceutical compositions containing simvastatin and ezetimibe often rely on antioxidants like BHA and BHT, which can be harmful and cause accelerated degradation of the active compounds, leading to safety concerns and reduced stability.
Innovation Solution
The development of pharmaceutical compositions that either omit antioxidants or significantly reduce the contact with oxygen, such as through coating or packaging in a low-oxygen environment, to enhance the stability and shelf-life of simvastatin and ezetimibe.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antioxidants (BHA, BHT) are added to prevent oxidation, then oxidative stability is improved, but harmful effects and accelerated degradation of active compounds occur
Solution Approach 1:
The invention removes antioxidants (BHA, BHT) from the pharmaceutical composition entirely, extracting the harmful stabilizing agents while maintaining oxidative stability through alternative means (coating, packaging) that do not introduce harmful substances
Solution Approach 2:
The invention introduces an intermediary barrier (coating layer or packaging system) between the active compounds and oxygen, mediating the protection against oxidation without requiring direct chemical intervention through antioxidants
2Duration of action of stationary object
If antioxidants are used to stabilize the composition, then shelf-life is extended, but degradation of active compounds is accelerated
Solution Approach 1:
The invention converts the harmful oxidative environment into a beneficial protective atmosphere by using oxygen-scavenging packaging or coating systems that actively remove oxygen, transforming the previously harmful oxidizing conditions into a protective low-oxygen environment
Solution Approach 2:
The invention creates an inert or low-oxygen environment around the active compounds through coating or packaging systems, replacing the reactive oxidative atmosphere with a non-reactive environment that prevents degradation without requiring antioxidants
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 results in improved storage stability and shelf-life of the pharmaceutical composition, minimizing degradation and ensuring a high-quality finished product without the harmful effects of traditional antioxidants.
Implementation Method 1
Active substances are normally susceptible to environmental influences, such as e.g. storage temperature, humidity, light, (e.g. UV light) and gases, present in the environment, such as oxygen or carbon dioxide
Data Source
AI summary
The present invention relates to the field of pharmaceutical technology and in particular to novel dosage forms of medicaments containing as active ingredients simvastatin and ezetimibe, or pharmaceutically acceptable salts thereof. The present pharmaceutical compositions are characterized in that the contact of the compositions with oxygen is substantially reduced, such as by coating the composition, providing a medicament useful for the treatment and prevention of atherosclerosis and related conditions, in an environment having an essentially reduced oxygen or humidity, respectively, content.