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Control of Drug Product Containers and Closures

Updated: Feb 15


Maintaining the safety, integrity, and quality of drugs in the pharmaceutical industry is of utmost importance. To ensure that pharmaceutical products meet the established standards and requirements, regulatory bodies like the Food and Drug Administration (FDA) have implemented stringent regulations. One such critical regulation is found in Title 21--Food and Drugs, specifically in Chapter I, Subchapter C - Drugs: General, Part 211, which addresses the Current Good Manufacturing Practice for Finished Pharmaceuticals. Within this regulation, Subpart E focuses on the Control of Components and Drug Product Containers and Closures.

Maintaining the safety, integrity, and quality of drugs in the pharmaceutical industry is of utmost importance. To ensure that pharmaceutical products meet the established standards and requirements, regulatory bodies like the Food and Drug Administration (FDA) have implemented stringent regulations. One such critical regulation is found in Title 21--Food and Drugs, specifically in Chapter I, Subchapter C - Drugs: General, Part 211, which addresses the Current Good Manufacturing Practice for Finished Pharmaceuticals. Within this regulation, Subpart E focuses on the Control of Components and Drug Product Containers and Closures.


Maintaining Drug Integrity and Quality

The primary objective of Subpart E is to prevent any alteration to the safety, identity, strength, quality, or purity of a drug product beyond the official or established requirements. The regulation explicitly states that drug product containers and closures should not be reactive, additive, or absorptive in a manner that could compromise the drug's essential characteristics. This ensures that the medication maintains its intended therapeutic properties and does not pose any risks to patients.


Protection against External Factors

Container closure systems play a vital role in preserving the drug's integrity during storage and use. They must provide adequate protection against foreseeable external factors that can cause deterioration or contamination of the drug product. This requirement emphasizes the need for robust packaging materials and designs that can withstand various environmental conditions and prevent any potential harm to the drug.


Cleanliness and Sterilization

Drug product containers and closures must be clean and, if necessary, sterilized to ensure their suitability for the intended use. Depending on the nature of the drug, specific depyrogenation processes may be required to eliminate pyrogenic properties. It is essential to validate these processes to guarantee their effectiveness in removing any potentially harmful substances.


Standards, Testing, and Documentation

To ensure compliance with the regulation, written standards or specifications, testing methods, and, where applicable, cleaning, sterilizing, and depyrogenation processes must be established and followed for drug product containers and closures. These measures provide a systematic approach to consistently meet quality requirements and facilitate traceability in manufacturing processes.


Specific Requirements for Medical Gas Containers and Closures

In addition to general provisions, the regulation includes specific requirements for medical gas containers and closures. Portable cryogenic medical gas containers, used in various healthcare settings, must have gas-specific use outlet connections that are not readily removable or replaceable, except by the manufacturer. This provision ensures that the integrity of the gas container and the safety of its use are maintained. Furthermore, labeling requirements are outlined to ensure that essential information remains intact and visible during normal use.


This Regulation plays a critical role in safeguarding the safety, identity, strength, quality, and purity of pharmaceutical products. By regulating the control of drug product containers and closures, this regulation ensures that potential risks associated with reactive, additive, or absorptive properties are minimized. Furthermore, it emphasizes the importance of protection against external factors, cleanliness, sterilization, adherence to standards, and compliance with specific requirements for medical gas containers. Adhering to these regulations contributes to the overall quality assurance of finished pharmaceuticals, instilling confidence in both healthcare providers and patients.


Contact BioBoston Consulting now or visit our website to learn more about how we can support your regulatory activities.

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