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Drug Safety-related Labeling Changes (SrLC)

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ATROVENT HFA (NDA-021527)

(IPRATROPIUM BROMIDE)

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

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01/10/2020 (SUPPL-33)

Approved Drug Label (PDF)

8 Use in Specific Populations

8.1 Pregnancy

PLLR conversion, additions and/or revisions underlined:

Risk Summary

Ipratropium is negligibly absorbed systemically following oral inhalation; therefore, maternal use is not expected to result in fetal exposure to the drug [see Clinical Pharmacology (12.3)]. Experience with ipratropium bromide use in pregnant women over several decades, based on published literature, including cohort studies, case control studies and case series, have not identified a drug associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. Based on animal reproduction animal studies, no evidence of structural alternations was observed when ipratropium bromide was administered to pregnant mice, rats and rabbits during organogenesis at doses up to approximately 200, 40,000, and 10,000 times, respectively, the maximum recommended human daily inhalation dose (MRHDID) in adults (see Data).

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

In animal reproduction studies, oral and inhalation administration of ipratropium bromide to pregnant mice, rats, and rabbits during the period of organogenesis did not cause fetal structural alterations. The ipratropium bromide dose in oral studies in mice, rats, and rabbits was up to approximately 200, 40,000, and 10,000 times, respectively, the MRHDID in adults (on a mg/m2 basis at maternal doses of 10, 1000, and 125 mg/kg/day, respectively). The ipratropium bromide dose in inhalation studies in rats and rabbits was up to approximately 60 and 140 times, respectively, the MRHDID in adults (on a mg/m2 basis at maternal doses of 1.5 and 1.8 mg/kg/day, respectively).

8.2 Lactation

PLLR conversion, additions and/or revisions underlined:

Risk Summary

There are no data on the presence of ipratropium in either human or animal milk, the effects on the breastfed infant, or the effects on milk production. Although lipid- insoluble quaternary cations pass into breast milk, ipratropium concentrations in plasma after inhaled therapeutic doses are low; therefore, ipratropium levels in human breast milk are expected to be low [see Clinical Pharmacology (12.3)]. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for ATROVENT HFA and any potential adverse effects on the breastfed child from ATROVENT HFA or from the underlying maternal condition.

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

PATIENT COUNSELING INFORMATION

Additions and/or revisions underlined:

Advise the patient to read the FDA-approved patient labeling (Instructions for Use).

Hypersensitivity Reactions

Inform patients that hypersensitivity reactions, including urticaria, angioedema, rash, bronchospasm, anaphylaxis, and oropharyngeal edema, may occur after the administration of ATROVENT HFA. Advise patients to immediately discontinue ATROVENT HFA and consult a physician [see Warnings and Precautions (5.2)].