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Vacuum decay container closure integrity leak test method development and validation for a lyophilized
Jayshree Patel1, Brian Mulhall, Heinz Wolf
1Analytical & Bioanalytical Development, Bristol-Myers Squibb Company, New Brunswick, NJ.
PDA Journal of Pharmaceutical Science and Technology
|February 2, 2012
Summary
A new vacuum decay leak test, based on ASTM F2338-09, reliably verifies container-closure integrity for lyophilized parenteral products. This nondestructive method detects defects as small as 5 μm, offering an efficient in-process check.
Area of Science:
- Pharmaceutical Packaging
- Analytical Chemistry
- Materials Science
Background:
- Container-closure integrity is critical for parenteral products, especially lyophilized formulations, to maintain sterility and efficacy.
- Traditional methods like sterility testing can be time-consuming and destructive, necessitating alternative integrity assessment techniques.
- Nondestructive testing methods offer advantages for in-process control and stability studies.
Purpose of the Study:
- To develop and validate a vacuum decay leak test method for parenteral vial packaging systems containing lyophilized products.
- To establish the method's capability in detecting defects in container-closure systems.
- To provide an efficient, nondestructive alternative for package integrity verification.
Main Methods:
- Development and validation of a leak test based on ASTM F2338-09 (Vacuum Decay Method).
- Inclusion of challenge studies with artificially defective vials (glass and stopper defects) and positive controls with laser-drilled holes.
- Method validation involved replicate testing of defect and non-defect packages using a VeriPac 455 Micro Leak Test System.
Main Results:
- The vacuum decay leak test method was successfully developed and validated.
- The method demonstrated the ability to reliably detect defects, including laser-drilled holes approximately 5 μm in diameter.
- The test offers a rapid assessment, with a total test time of less than 1 minute per package.
Conclusions:
- The validated vacuum decay leak test provides an accurate and reliable method for container-closure integrity verification of lyophilized parenteral products.
- This nondestructive method is suitable for in-process manufacturing checks and stability testing, potentially replacing traditional sterility tests.
- The method's sensitivity to small defects ensures the quality and safety of the packaged pharmaceutical product.
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