Using dry runs to de-risk new packaging and device assembly lines

Using dry runs to de-risk new packaging and device assembly lines

Published on 04/12/2025

Using Dry Runs to De-risk New Packaging and Device Assembly Lines

Context

In the highly regulated environments of pharmaceutical and medical device manufacturing, ensuring the efficacy and safety of products is paramount. Human factors simulation plays a critical role in this process, specifically through the use of dry runs, mock runs, and media fills. These techniques help to evaluate and mitigate risks associated with packaging and device assembly operations, addressing operator behavior and procedural adherence.

Legal/Regulatory Basis

In the United States, the FDA’s regulations found in 21 CFR Part 820 mandate quality system requirements for medical devices. In Europe, the Medical Device Regulation (MDR) and In-vitro Diagnostic Regulation (IVDR) set forth requirements on risk management (Annex III of MDR), and the importance of validation and testing of manufacturing processes is emphasized in various sections.

Human factors engineering is a fundamental element included in guidelines issued by both the FDA and EMA. ICH Q9 on Quality Risk Management further supports the development of methods to identify, evaluate, and mitigate risks throughout the product lifecycle. Additionally, the WHO has published documents emphasizing the importance of human factors in the design

and validation of medical devices and packaging processes.

Documentation

Effective documentation is crucial in demonstrating compliance with regulatory expectations. For dry runs, adequate documentation should include:

  • Protocol Development: Clear, detailed protocols outlining the objectives, scope, methodology, and success criteria for dry runs.
  • Scenario-Based Training: Documentation of the various scenarios tested during the simulations, along with the rationale for their inclusion.
  • Operator Training Records: Verification of operator qualifications and any scenario-based training undertaken.
  • Risk Assessment Reports: Documentation addressing potential risks identified prior to the dry runs, including possible mitigation strategies.
  • Results Analysis: Comprehensive documentation of observations, deviations, and outcomes from dry runs, including operator behavior analysis.
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Review/Approval Flow

The review and approval of dry runs and associated processes involve multiple stakeholders:

1. Planning Phase

Development of the dry run protocols should involve cross-functional teams including Regulatory Affairs (RA), Quality Assurance (QA), Quality Control (QC), and Manufacturing. This ensures that the dry runs meet regulatory expectations and operational needs.

2. Execution of Dry Runs

During the execution phase, real-time data collection should be carried out to assess operator performance and detect any issues in the manufacturing process.

3. Reporting and Action Plan

Upon the completion of the dry runs, a formal report should be generated and submitted to the applicable regulatory body, if required. This report must detail findings and outline any corrective actions taken.

Common Deficiencies

When preparing for inspections, organizations often encounter several common deficiencies in relation to dry runs and human factors simulation:

  • Lack of Robust Protocols: Inadequate protocols that fail to capture all necessary parameters required for a thorough simulation.
  • Poor Documentation Practices: Insufficient record-keeping or failure to document deviations and subsequent corrective actions.
  • Neglecting Human Factors Considerations: Overlooking the impact of operator behavior in scenarios, leading to unrealistic testing outcomes.
  • Failure to Incorporate Feedback: Not utilizing data collected from previous simulations to inform future training or operational improvements.

RA-Specific Decision Points

Several critical decision points exist for regulatory affairs professionals regarding dry runs and human factors considerations:

When to File as a Variation vs. a New Application

The decision to file a variation or a totally new application hinges on the extent of the changes made to the packaging and assembly processes. If modifications are substantial enough to impact the product’s safety or efficacy profile or if they add new critical functionalities, a new application may be warranted. Conversely, if the changes are minor and do not substantially alter the product’s performance, a variation may suffice.

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Justifying Bridging Data

When changes in packaging or assembly processes require bridging data, RA professionals must provide a thorough justification. This includes specifying the rationale for bridging and how it suffices for initial validations within the regulatory framework, ensuring that all potential risks have been addressed and mitigated through comprehensive testing.

Practical Tips for Documentation and Justifications

To avoid common pitfalls in documentation and regulatory submissions, consider the following tips:

  • Maintain Clarity and Cohesion: Documentation should be clear and organized. Use templates where appropriate to ensure consistency across records.
  • Regular Training: All personnel involved in the dry runs should be regularly trained to ensure they understand the protocols and requirements.
  • Engage with Regulatory Bodies Early: Prior interactions with agencies can clarify expectations and streamline submissions.
  • Proactive Risk Management: Incorporate a continuous improvement loop based on earlier feedback and findings from dry runs into the validation processes.

Conclusion

Human factors simulation through dry runs is essential in minimizing risks associated with pharmaceutical and medical device packaging and assembly processes. Understanding the regulatory landscape and adhering to the stringent guidelines set forth by authorities such as the FDA, EMA, and MHRA ensures that organizations can deploy effective strategies that comply with regulations and assure product safety and efficacy.

For more detailed guidelines on human factors simulation, refer to the FDA human factors guidance, which outlines agency expectations and methodologies for validating systems used in medical device manufacturing. Further exploration of the EU regulations can be found in the European Medical Device Regulation.

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