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Drug Safety-related Labeling Changes (SrLC)

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MIVACRON (NDA-020098)

(MIVACURIUM CHLORIDE)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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07/26/2018 (SUPPL-19)

Approved Drug Label (PDF)

5 Warnings and Precautions

(Additions and/or revisions are underlined)

WARNINGS

Risk of Death Due to Medication Errors

Administration of MIVACRON results in paralysis, which may lead to respiratory arrest and death; this progression may be more likely to occur in a patient for whom it is not intended. Confirm proper selection of intended product and avoid confusion with other injectable solutions that are present in critical care and other clinical settings. If another healthcare provider is administering the product, ensure that the intended dose is clearly labeled and communicated.

PRECAUTIONS

Carcinogenesis, Mutagenesis, Impairment of Fertility

Carcinogenesis

Long-term studies in animals to evaluate carcinogenic potential of mivacurium have not been completed.

Mutagenesis

Mivacurium was non-mutagenic in the in vitro bacterial reverse mutation assay (Ames assay), the in vitro mouse lymphoma assay, the in vitro human lymphocyte assay, and the in vivo rat bone marrow cytogenetic assay.

Impairment of Fertility

Studies to evaluation the effects of mivacurium on fertility have not been completed.

Pregnancy

Risk Summary

There are no adequate and well-controlled studies of MIVACRON in pregnant women. In animal studies, subcutaneous administration of mivacurium to pregnant rats and mice during organogenesis at doses 0.16 and 0.52 times the human dose of 0.25 mg/kg did not result in any malformations or embryo toxic effects.

The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.

Data

Animal Data

There was no evidence of malformations or embryo toxicity when pregnant mice were administered 0.25 or 0.5 mg/kg mivacurium during organogenesis (0.08 and 0.16 times the human dose of 0.25 mg/kg based on body surface area). These doses were not associated with maternal toxicity.

There was no evidence of malformations or embryo toxicity when pregnant rats were administered 0.4 or 0.8 mg/kg mivacurium during organogenesis (0.26 and 0.52 times the human dose of 0.25 mg/kg based on body surface area). These doses were not associated with maternal toxicity.