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Regulatory · 02 of 06

FDA lists a Class I recall of Tyenne (tocilizumab-aazg) vials for glass particles

Quarantine any affected Tyenne lots; tocilizumab treatment itself does not need to change.

The FDA enforcement report dated 2 September lists a Class I recall of Tyenne (tocilizumab-aazg) injection, 400 mg/20 mL vials, manufactured by Fresenius Kabi USA. An internal investigation found glass particles in the product. The recall is ongoing.

Class I is the most serious recall category, used where a product could cause serious harm; particulate matter in an intravenous biologic carries a risk of embolic and infusion-related injury. This is a manufacturing defect in a specific biosimilar product in the US market, not a new safety finding for tocilizumab as a drug. Whether Tyenne is marketed in India, and whether any Indian batches are affected, is not stated; no CDSCO action has been reported.

  • This is a US Class I recall of Tyenne 400 mg/20 mL vials for glass particles, not a tocilizumab safety signal.
  • Check the brand and lot of any tocilizumab-aazg in stock against the FDA notice.
  • Inspect intravenous biologics visually for particles before infusion and use an in-line filter where specified.
  • No CDSCO action has been reported for the Indian market.

Why it matters

Particulate contamination of an intravenous biologic can harm patients directly at infusion.

Don't overread it

A manufacturing recall of one biosimilar says nothing about the efficacy or safety of tocilizumab itself.

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