PIC/S PI and GMP Audits: What Inspectors Really Look For

Introduction

Inspectors do not improvise. They follow precise structures based on PIC/S PI documents. Understanding them means being able to anticipate every question.

What Inspectors Look For

• Consistency between SOPs and actual practice
• Effective audit trail reviews
• Trended media fill results
• CCS effectively implemented
• Robust change management

How to Avoid Critical Deviations

• Apply ICH Q9 in every process
• Periodically review systems
• Perform end-to-end audits
• Integrate QA, Manufacturing, and IT

Audit Readiness Section

Essential Documents:

• Validation Master Plan
• CCS
• Data Integrity Policy
• Training records
• Logbooks and audit trails
• Media fill reports
• CAPAs closed with evidence

Typical Error / Corrective Action

• Error: Audit trails not reviewed
• Action: Implement a periodic review procedure under QA responsibility

Conclusion

PIC/S PI documents represent the invisible architecture of GMP audits. Those who master them dramatically reduce deviations, complaints, and regulatory risks.
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