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Drug Safety-related Labeling Changes (SrLC)

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CENTANY (NDA-050788)

(MUPIROCIN)

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

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07/10/2025 (SUPPL-9)

Approved Drug Label (PDF)

8 Use in Specific Populations

8.1 Pregnancy

PLLR conversion:

Risk Summary

Available data over decades of use with CENTANY ointment during pregnancy have not identified a drug-associated risk of major birth defects, miscarriage or other adverse maternal or fetal outcomes. Systemic absorption of mupirocin through intact human skin following topical administration of mupirocin was determined to be ? 1.25% of the administered dose based on urine monic acid excretion [see Clinical Pharmacology (12.3)]. No evidence of fetal harm was observed in rats or rabbits treated with mupirocin subcutaneously during organogenesis at doses up to 22 and 11 times, respectively, the human topical dose based on body surface area.

The 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

Developmental toxicity studies have been performed with mupirocin administered subcutaneously to rats and rabbits at doses up to 160 mg per kg per day during organogenesis. This dose is 22 and 43 times, respectively, the human topical dose (approximately 60 mg mupirocin per day) based on body surface area. Maternal toxicity was observed (body weight loss/decreased body weight gain and reduced food consumption) in both species with no evidence of developmental toxicity in rats. In rabbits, excessive maternal toxicity at the high dose precluded the evaluation of fetal outcomes. There was no developmental toxicity in rabbits at 40 mg per kg per day, 11 times the human topical dose based on body surface area.

Mupirocin administered subcutaneously to rats in a pre-and postnatal development study (dosed during late gestation through lactation) was associated with reduced offspring viability in the early postnatal period at a dose of 106.7 mg per kg, in the presence of injection site irritation and/or subcutaneous hemorrhaging. This dose is 14 times the human topical dose based on body surface area. The no-observed adverse effect level in this study was 44.2 mg per kg per day, which is 6 times the human topical dose.

 

8.2 Lactation

PLLR conversion:

Risk Summary

There are no data on the presence of mupirocin in human or animal milk, the effects on the breast-fed infant or the effects on milk production. Systemic absorption of mupirocin through intact human skin following topical administration of mupirocin was determined to be ? 1.25% of the administered dose based on urine monic acid excretion [see Clinical Pharmacology (12.3)]. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for CENTANY ointment and any potential adverse effects on the breast-fed infant from CENTANY ointment or from the underlying maternal condition.

Clinical Considerations

To minimize oral exposure of the drug to breastfeeding infants, a breast and/or nipple being treated with CENTANY ointment should be thoroughly washed prior to breastfeeding.

 

8.4 Pediatric Use

Additions and/or revisions underlined:

. . .

The safety and effectiveness of CENTANY ointment have not been established in pediatric patients younger than 2 months of age.

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

PATIENT COUNSELING INFORMATION

Additions and/or revisions underlined:

Important Administration Instructions

Advise the patient to administer CENTANY ointment as follows [see Dosage and Administration (2)] and Warnings and Precautions (5.2)]:

    • Use CENTANY ointment only as directed by your healthcare provider.

    • It is for topical use only.

    • Avoid contact with the eyes. If CENTANY ointment gets in or near the eyes, rinse thoroughly with water.

    • Stop CENTANY ointment and contact your healthcare provider if irritation, severe itching or rash occurs.

    • If impetigo has not improved in 3 to 5 days, contact your healthcare provider.

Lactation

Advise breastfeeding women to thoroughly wash the breast and/or nipple being treated with CENTANY ointment to prevent direct infant exposure [see Use in Specific Populations (8.2)].