Device malfunction [device malfunction].Increased pain after injection [pain aggravated].Case narrative: case was initially submitted via sanofi legacy database and is now being re-distributed to fda at their request.This unsolicited case from united states was received on 27-feb-2018 from a healthcare professional via health authority (usa-fda: food and drug administration: mw5074661).This case concerns a patient (demographics unspecified) who received treatment with synvisc one and after unknown latency increased pain after injection.Also, device malfunction was identified for the reported lot number.No medical history, past drug, concomitant medication or concurrent condition was provided.On an unknown date, the patient initiated treatment with single intra-articular synvisc one injection, once (batch/lot number: 7rsl021; dose, indication and expiry date: not reported).On (b)(6) 2017, after unknown latency, patient had increased pain after injection.Corrective treatment: not reported for both events.Outcome: unknown for both events.An investigation was initiated as a result of an unexpected increase in the number of labelled adverse events received from the us market for synvisc one, lot 7rsl021.The product met all release testing at time of manufacture in june 2017.Retain samples were retested due to the unexpected increase in adverse events.Higher than expected endotoxin results were obtained.In addition, the presence of microbial contamination was also confirmed.The cause of these events was under investigation.Once this investigation is completed, corrective and preventive actions would be implemented.Seriousness criterion: medically significant for both events.Pharmacovigilance comments: sanofi company comment dated 27-feb-2018: this case concerns a patient who was on treatment with synvisc one from recall lot and experienced increased pain after the injection.A temporal relationship can be established with the product administration.Furthermore, the concerned lot number has been identified to have malfunction by the company.Therefore, the causal relationship of the events to the products cannot be excluded.
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