Activated Carbon Blister Packaging for Nitrosamine Mitigation
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Solution Overview
Problem
Existing pharmaceutical and food packaging systems fail to effectively mitigate the formation and presence of nitrosamines, which are known carcinogens and mutagens, necessitating a solution that does not require reformulating the products or changing manufacturing processes.
Innovation Solution
Incorporating activated carbon or its derivatives into the packaging headspace to scavenge nitrosating agents and nitrosamines, thereby reducing their formation and presence in the packaged goods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional packaging materials are used, then the packaging structure remains simple, but nitrosamines form and contaminate the pharmaceutical product
Solution Approach 1:
An activated carbon-containing scavenging layer is introduced as an intermediary component between the pharmaceutical product and the external environment. This layer actively captures and removes nitrosating agents and nitrosamines through adsorption, preventing them from contaminating the product while maintaining overall packaging simplicity
Solution Approach 2:
Activated carbon with its highly porous structure is utilized to provide extensive surface area for adsorption of nitrosating agents and nitrosamines. The porous nature of the activated carbon enables efficient trapping of these harmful compounds without requiring complex packaging structures
2Object-affected harmful factors
If the packaging headspace is enlarged to accommodate scavenging material, then nitrosamine scavenging capacity increases, but the packaging volume increases
Solution Approach 1:
The scavenging function is localized to specific regions within the packaging system, such as the headspace area or specific zones where nitrosating agents are most likely to form. This allows concentrated nitrosamine capture capability without requiring uniform distribution of scavenging material throughout the entire package
Solution Approach 2:
The high surface area to volume ratio of activated carbon enables effective nitrosamine scavenging in a compact form. The porous structure provides extensive adsorption capacity within a small physical footprint, allowing sufficient scavenging material to be incorporated without significantly increasing packaging volume
3Object-affected harmful factors
If activated carbon is added to the packaging system, then nitrosamine removal efficiency improves, but the device complexity increases
Solution Approach 1:
The activated carbon scavenging layer serves multiple functions simultaneously: it adsorbs nitrosating agents, captures formed nitrosamines, and may also absorb other volatile organic compounds. This multi-functionality allows a single component to address multiple harmful factors without proportionally increasing system complexity
Solution Approach 2:
The inherent porous structure of activated carbon provides passive, autonomous scavenging action without requiring external power sources, control systems, or complex mechanisms. The material naturally adsorbs harmful compounds through its surface area, maintaining packaging system simplicity while achieving effective nitrosamine removal
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 use of activated carbon in packaging headspaces effectively reduces nitrosamine levels to safe limits, ensuring compliance with regulatory standards and enhancing patient safety without altering the product formulation or manufacturing process.
Implementation Method 1
Incorporating activated carbon or its derivatives into the packaging headspace to scavenge nitrosating agents and nitrosamines
Data Source
AI summary
Disclosed herein are materials, articles of manufacture, and methods for reducing, mitigating, or precluding formation of and/or amount of a nitrosating agent and/or an N-nitroso compound, including an N-nitrosamine, from a packaging containing an active agent and a pharmaceutical dosage form in an enclosure, wherein the active agent is effective to reduce mitigate or preclude the formation and/or amount of a nitrosating agent and/or N-nitroso compound in the enclosure and/or in the pharmaceutical dosage form. Provided are drug delivery systems comprising a blister pack configured to house multiple pharmaceutical dosage forms, the blister pack comprising an active ingredient that is effective to reduce, mitigate or preclude the formation and/or amount of a nitrosating agent and/or N-nitroso compound in an enclosure of the blister pack and/or in the pharmaceutical dosage form.