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Drug Safety-related Labeling Changes (SrLC)

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INVANZ (NDA-021337)

(ERTAPENEM SODIUM)

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

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03/17/2022 (SUPPL-51)

Approved Drug Label (PDF)

6 Adverse Reactions

6.2 Postmarketing Experience

Additions and/or revisions underlined:

The following additional adverse reactions have been identified during the post-approval use of INVANZ. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Gastrointestinal Disorders: teeth staining

Immune System Disorders: anaphylaxis including anaphylactoid reactions

Musculoskeletal and Connective Tissue Disorders: muscular weakness

Nervous System Disorders: coordination abnormal, depressed level of consciousness, dyskinesia, gait disturbance, myoclonus, tremor, encephalopathy (recovery was prolonged in patients with renal impairment)

Psychiatric Disorders: altered mental status (including aggression, delirium), hallucinations

Skin and Subcutaneous Tissue Disorders: Acute Generalized Exanthematous Pustulosis (AGEP), Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS syndrome), hypersensitivity vasculitis

12/22/2020 (SUPPL-49)

Approved Drug Label (PDF)

6 Adverse Reactions

6.2 Post-Marketing Experience

(Additions and/or revisions underlined)

Skin and Subcutaneous Tissue Disorders: Acute Generalized Exanthematous Pustulosis (AGEP), Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS syndrome), hypersensitivity vasculitis

09/20/2019 (SUPPL-48)

Approved Drug Label (PDF)

6 Adverse Reactions

6.2 Postmarketing Experience

(addition underlined)

Skin and Subcutaneous Tissue Disorders: Acute Generalized Exanthematous Pustulosis (AGEP)

12/19/2018 (SUPPL-47)

Approved Drug Label (PDF)

8 Use in Specific Populations

8.1 Pregnancy

(Pregnancy and Lactation Labeling Rule (PLLR) Conversion; Additions and/or revisions are underlined)

Risk Summary

Available data from a small number of postmarketing cases with INVANZ use in pregnancy are insufficient to inform any drug-associated risks for major birth defects, miscarriage, or adverse maternal or fetal outcomes. In animal reproduction studies after intravenous administration of ertapenem during the period of organogenesis, there was no evidence of developmental malformations in rats at systemic exposures (AUC) up to approximately 1.2 times the human exposure at the maximum recommended human dose (MRHD) and in mice at doses up to approximately 3 times the MRHD based on body surface area comparison. In pregnant rats administered ertapenem during organogenesis through lactation, fetal toxicity, developmental delays, and impaired reproduction did not occur in first generation offspring at systemic exposures (AUC) approximately 1.2 times the human exposure at the MRHD.

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.

Animal Data

In pregnant rats, intravenous administration of ertapenem dosages of up to 700 mg/kg/day (approximately 1.2 times the MRHD based on AUC) during the period of organogenesis (gestation days [GD] 6-20) revealed no maternal or embryofetal effects.

Pregnant mice intravenously administered ertapenem dosages of up to 700 mg/kg/day (approximately 3 times the MRHD based on body surface area comparison) during the period of organogenesis (GD 6-15) showed slight decreases in average fetal weight and an associated decrease in the average number of ossified sacrocaudal vertebrae. There were no maternal effects at any dosage.

In a pre-postnatal study in rats, ertapenem administered to pregnant rats at dosages up to 700 mg/kg/day (approximately 1.2 times the MRHD based on AUC) during organogenesis through lactation, (GD 6 until Lactation Day (LD) 20) did not result in fetal toxicity, developmental delays, or impaired reproduction in first generation offspring, and fetal deaths and malformations were not increased in second generation offspring.

8.2 Lactation

(Pregnancy and Lactation Labeling Rule (PLLR) Conversion; Additions and/or revisions are underlined)

Risk Summary

Ertapenem is present in human milk (see Data). There are no data on the effects on the breastfed infant or the effects on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for INVANZ and any potential adverse effects on the breastfed infant from INVANZ or from the underlying maternal condition.

Data

The concentration of ertapenem in breast milk from 5 lactating women with pelvic infections (5 to 14 days postpartum) measured at random time points daily for 5 consecutive days following the last 1 g dose of intravenous therapy (3 to 10 days of therapy) showed low levels. The concentration of ertapenem in breast milk within 24 hours of the last dose of therapy in all 5 women ranged from (<0.13 (lower limit of quantitation) to 0.38 mcg/ml), although peak concentrations were not assessed. By day 5 after discontinuation of therapy, the level of ertapenem was undetectable in the breast milk of 4 women and below the lower limit of quantitation (<0.13 mcg/mL) in 1 woman. The concentration of ertapenem in transitional milk observed in this study may not reflect the concentration of ertapenem in mature milk.