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Drug Safety-related Labeling Changes (SrLC)

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VENTAVIS (NDA-021779)

(ILOPROST)

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

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12/16/2019 (SUPPL-19)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.4             Avoid Contact with Skin and Eyes and Ingestion

(Newly added subsection)

Ventavis solution should not be allowed to come into contact with the skin or eyes ingestion of Ventavis solution should be avoided.

8 Use in Specific Populations

8.1             Pregnancy

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

Risk Summary

Limited published data from case series and case reports with Ventavis in pregnant women have not identified a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. There are risks to the mother and fetus associated with pulmonary arterial hypertension. In animal reproductive studies, administration of continuous intravenous iloprost to pregnant Han-Wistar rats during organogenesis at doses 2-times the recommended human dose on a mg/m2 basis resulted in adverse developmental outcomes. However, there were no adverse developmental outcomes with intravenous administration of iloprost to pregnant Sprague- Dawley rats, rabbits and monkeys at doses 1200-, 180-, and 14-times, respectively, the recommended human dose on a mg/m2 basis.

The estimated background risk of major birth defects and miscarriage for the indicated populations 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.

Clinical Considerations

Disease-associated maternal or embryo/fetal risk

Pulmonary arterial hypertension in pregnancy increases the risk for maternal heart failure, stroke and death, miscarriage, preterm delivery, low birthweight infants, and stillbirth.

Data

Animal Data

In developmental toxicity studies in pregnant Han-Wistar rats, continuous intravenous administration of iloprost at a dosage of 0.01 mg/kg daily (serum levels not available) led to shortened digits of the thoracic extremity in fetuses and pups. In comparable studies in pregnant Sprague-Dawley rats which received iloprost clathrate (13% iloprost by weight) orally at dosages of up to 50 mg/kg/day (Cmax of 90 ng/mL), in pregnant rabbits at intravenous dosages of up to 0.5 mg/kg/day (Cmax of 86 ng/mL), and in pregnant monkeys at dosages of up to 0.04 mg/kg/day (serum levels of 1 ng/mL), no such digital anomalies or other gross-structural abnormalities were observed in the fetuses/pups. However, in gravid Sprague-Dawley rats, iloprost clathrate (13% iloprost) significantly increased the number of non-viable fetuses at a maternally toxic oral dosage of 250 mg/kg/day and in Han-Wistar rats was found to be embryolethal in 15 of 44 litters at an intravenous dosage of 1 mg/kg/day.

8.2             Lactation

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

Risk Summary

There are no data on the presence of iloprost in human milk, the effects on the breastfed infant, or the effects on milk production. Iloprost is present in rat milk. When a drug is present in animal milk, it is likely that the drug will be present in human milk.

Because of the potential for serious adverse reactions, advise women not to breastfeed during treatment with Ventavis.

Data

Animal Data

In studies with Han-Wistar rats, higher mortality was observed in pups of lactating dams receiving iloprost intravenously at 1 mg/kg daily. In Sprague-Dawley rats, higher mortality was also observed in nursing pups at a maternally toxic oral dose of 250 mg/kg/day of iloprost clathrate (13% iloprost by weight). In rats a passage of low levels of iloprost or metabolites in to the milk was observed (less than 1% of iloprost dose given intravenously).

No disturbance of post-natal development and reproductive performance was seen in animals exposed during lactation.

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

17 PATIENT COUNSELING INFORMATION

(Additions and/or revisions underlined)

Advise patients to read the FDA-approved patient labeling (Patient Information).