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BENEFIX® (nonacog alfa) Use in Specific Populations


8.1 Pregnancy

Risk Summary

There are no data with BeneFIX use in pregnant women to inform a drug-associated risk. Animal reproduction studies have not been conducted with BeneFIX. It is not known whether BeneFIX can affect reproductive capacity or cause fetal harm when given to pregnant women.

In the U.S. general population, the estimated background risk of major birth defect and miscarriage in clinically recognized pregnancies is 2–4% and 15–20%, respectively.

8.2 Lactation

Risk Summary

There is no information regarding the presence of BeneFIX in human milk, the effect on the breastfed infant, and the effects on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for BeneFIX and any potential adverse effects on the breastfed child from BeneFIX or from the underlying maternal condition.

8.4 Pediatric Use

Safety, efficacy, and pharmacokinetics of BeneFIX have been evaluated in previously treated (PTP) and previously untreated pediatric patients (PUP) [see Clinical Studies (14) and Adverse Reactions (6)]. On average, lower recovery, shorter half-life and higher clearance (based on kg body weight) have been observed in children younger than 12 years old [see Clinical Pharmacology (12.3)]. Dose adjustment may be needed [see Dosage and Administration (2.1)].

8.5 Geriatric Use

Clinical trials of BeneFIX did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Dose selection for an elderly patient should be individualized [see Dosage and Administration (2.1)].

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