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Drug Safety-related Labeling Changes (SrLC)

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ZOLEDRONIC ACID (NDA-204016)

(ZOLEDRONIC ACID)

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

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12/19/2018 (SUPPL-3)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.10 Embryo-Fetal Toxicity

(Additions and/or revisions are underlined)

Based on findings from animal studies and its mechanism of action, Zoledronic Acid Injection can cause fetal harm when administered to a pregnant woman. In animal reproduction studies, administration of zoledronic acid to pregnant rats during organogenesis resulted in fetal malformations and embryo-fetal lethality at maternal exposures that were greater than or equal to 2.4 times the human clinical exposure based on area under the curve (AUC). Bisphosphonates, such as Zoledronic Acid Injection,  are incorporated into the bone matrix, from where they are gradually released over periods of weeks to years. There may be a risk of fetal harm (e.g., skeletal and other abnormalities) if a woman becomes pregnant after completing   a course of bissphosphonate   therapy. Advise pregnant women and females of reproductive potential of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during and after Zoledronic   Acid Injection treatment.

6 Adverse Reactions

6.2 Postmarketing Experience

(Additions and/or revisions are underlined)

Osteonecrosis of the Jaw

Cases of osteonecrosis (primarily involving the jaw but also of other anatomical sites including hip, femur and external auditory canal) have been reported….

Hypersensitivity Reactions

CNS: taste disturbance, hyperesthesia, tremor; Special Senses: blurred vision; uveitis; Gastrointestinal: dry mouth; Skin: Increased sweating; Musculoskeletal: muscle cramps; Cardiovascular: hypertension, bradycardia, hypotension (associated with syncope or circulatory collapse primarily in patients with underlying risk factors); Respiratory: bronchospasms, interstitial   lung disease (ILD) with positive rechallenge; Renal: hematuria, proteinuria; acquired Fanconi syndrome;..

8 Use in Specific Populations

8.1 Pregnancy

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

Risk Summary

Based on findings from animal studies and its mechanism of action, Zoledronic Acid Injection can cause fetal harm when administered to a pregnant woman. There are no available data in pregnant women to inform the drug-associated risk. In animal reproduction studies, administration   of zoledronic   acid to pregnant rats during organogenesis resulted in fetal malformations and embryo-fetal lethality at maternal exposures that were greater than or equal to 2.4 times the human clinical exposure based on AUC.

Bisphosphonates, such as Zoledronic Acid Injection, are incorporated into the bone matrix and are gradually released over periods of weeks to years. There may be a risk of fetal harm (e.g., skeletal and other abnormalities) if a woman becomes pregnant after completing a course of bisphosphonate therapy. Advise pregnant women and females of reproductive potential of the potential risk to a fetus.

The background risk of major birth defects and miscarriage for the indicated population is unknown; however, in the U.S. general population, the estimated background risk of major birth defects is 2%-4% and of miscarriage is 15%-20%  of clinically   recognized pregnancies.

Data

Animal Data

8.2 Lactation

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

Risk Summary

After administration of Zoledronic Acid Injection, it is not known whether zoledronic acid is present in human milk, or whether it affects milk production, or the breastfed child. Zoledronic acid binds to bone long term and may be released over weeks to years. Because of the potential for serious adverse reactions in a breastfed child, advise a lactating woman not to breastfeed during and after Zoledronic Acid Injection treatment.

8.3 Females and Males of Reproductive Potential

(Additions and/or revisions are underlined)

Pregnancy Testing

Verify pregnancy status of females of reproductive potential prior to initiation of Zoledronic Acid Injection.

Contraception

Females

Zoledronic   Acid Injection can cause fetal harm when administered to a pregnant woman. Zoledronic acid binds to bone long term and may be released over weeks to years. Advise females of reproductive potential to use effective contraception during and after Zoledronic Acid Injection treatment.

Infertility

Females

Based on animal studies, Zoledronic Acid Injection may impair fertility in females of reproductive potential.

8.4 Pediatric Use

(Additions and/or revisions are underlined)

Zoledronic Acid Injection is not indicated for use in pediatric patients.

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

17 PATIENT COUNSELING INFORMATION

(Extensive changes; please refer to labeling)