Sterility & Contamination Deviations – Page 4

Unvalidated aseptic intervention during media fill – patient safety risk case study

The first indication of the unvalidated aseptic intervention during the media fill process emerged when microbiological testing results from a batch of media were found to be non-compliant. Specifically, there…

Contamination source misidentified during media fill – patient safety risk case study

The first indication of potential contamination during the media fill came from quality control results that showed unexpected microbial growth during routine sterility testing. The specific signals included:Click to read…

Media fill deviation not escalated during investigation – regulatory enforcement outcome

The initial detection of the media fill deviation occurred during routine monitoring of the aseptic processing area. Operators observed discrepancies in the expected sterility outcomes during media fill tests, which…

Unvalidated aseptic intervention during media fill – containment CAPA failure

The initial signs of an unvalidated aseptic intervention became apparent during a routine audit of the aseptic processing area. Operators noted abnormal readings in environmental monitoring data, specifically an increase…

Sterility test failure misclassified during aseptic filling – containment CAPA failure

The initial clue that something was amiss arose when routine sterility tests on product batches following aseptic filling began to show inconsistent results. The sterility tests, if not classified accurately,…

Cross-contamination detected post-release during aseptic filling – patient safety risk case study

In the hours following the release of a sterile product batch, the quality control (QC) team identified an unexpected discrepancy during post-release sterility testing. Instead of the expected absence of…

Bioburden excursion before filtration during aseptic filling – regulatory enforcement outcome

The initial signal of the bioburden excursion was observed during routine QC testing of the bioburden levels in the product solution prior to its transfer for filtration. Samples from the…

Unvalidated aseptic intervention during aseptic filling – patient safety risk case study

The initial signals indicating a potential issue arose during routine aseptic processing operations. Operators reported the following symptoms:Click to read the full article.

Gowning deviation ignored during aseptic filling – regulatory enforcement outcome

In this case, the initial signals indicating a gowning deviation were observed during routine inspections prior to aseptic filling. Production personnel noted:Click to read the full article.

Unvalidated aseptic intervention during cleaning verification – patient safety risk case study

The initial sign of a potential problem arose when microbiological test results indicated an unexpected trend of increased microbial contamination at the end of a series of cleaning verifications. Specifically,…

Unvalidated aseptic intervention during cleaning verification – regulatory enforcement outcome

During a regular inspection, quality control personnel noted inconsistencies in the cleaning verification records detailing the aseptic processing area. Initial signals included:Click to read the full article.

Bioburden excursion before filtration during cleaning verification – patient safety risk case study

In an aseptic manufacturing facility, a routine cleaning verification revealed discrepancies in bioburden levels. While validating cleaning procedures, the quality control (QC) team noticed elevated bioburden counts in samples taken…