H.6.Investigation summary: event description: the customer reported contamination of a plate.Complaint history review: the complaints trends were reviewed, and no similar complaint was registered for this lot number.Thus, a trend was not identified.Batch history record (bhr) review: the batch history review did not indicate any discrepancies.All release testing was satisfactory, and no deviations were observed.Sample analysis: the retain samples were reviewed and no deviation could be detected.Return samples were not provided; however, pictures samples were shared demonstrating a contamination.Evaluation results.At this stage of our investigation, we have excluded any systemic failure in our manufacturing process.This product does not have an sal (sterility assurance level) claim.It is filled aseptically; therefore, an occurrence of a contamination event cannot be entirely ruled out.Investigation conclusion based on the evaluation and the provided pictures, the complaint was confirmed for contamination.A definite root cause could not be determined.
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