WARNINGS
Included as part of the "PRECAUTIONS" Section
PRECAUTIONS
Patient Counseling Information
Advise patients to read the FDA-approved Patient Labeling (Instructions for Use)
Storage And Handling Information
Instruct patients on the proper techniques to store and handle PULMOZYME. PULMOZYME must be
stored in the refrigerator at 2 to 8°C (36 to 46°F) and protected from light. It should be kept
refrigerated during transport and should not be exposed to room temperatures for a total time of 24
hours.
Advise patients to squeeze each ampule prior to use in order to check for leaks. The solution should be
discarded if it is cloudy or discolored. Once opened, the entire contents of the ampule must be used or
discarded.
Instruct patients in the proper use and maintenance of the jet nebulizer/compressor system or eRapid
Nebulizer System used in PULMOZYME delivery.
Instruct patients not to dilute or mix PULMOZYME with other drugs in the nebulizer. Mixing of
PULMOZYME with other drugs could lead to adverse physicochemical and/or functional changes in
PULMOZYME or the admixed compound.
Use With The eRapid Nebulizer System
Instruct patients and caregivers to read and follow the directions in both the PULMOZYME Instructions
for Use and in the Manufacturer's eRapid Nebulizer System Instruction Booklet.
Instruct patients and caregivers to clean the handset, including the medication reservoir, medicine cap,
aerosol head, and mouthpiece, after each use. Instruct patients and caregivers to disinfect the handset,
including the medication reservoir, medicine cap, aerosol head, and mouthpiece, after each day of use.
Instruct patients to replace the handset after 90 uses, regardless of whether the EasyCare cleaning aid is
used. Since delivery data are not available for PULMOZYME administered with the eRapid handset
beyond 90 administrations, delivery of the appropriate therapeutic dose of PULMOZYME cannot be
assured beyond 90 administrations.
Nonclinical Toxicology
Carcinogenesis, Mutagenesis, Impairment Of Fertility
PULMOZYME produced no treatment-related increases in the incidence of tumors in a lifetime study in
Sprague Dawley rats that were administered inhaled doses up to 0.246 mg/kg/day (approximately 30
times the MRHD in adults). There was no increase in the development of benign or malignant neoplasms
and no occurrence of unusual tumor types in rats after lifetime exposure.
PULMOZYME tested negative in the following genotoxicity assays: the in vitro Ames assay, in vitro mouse lymphoma assay, and in vivo mouse bone marrow micronucleus assay. No evidence of impairment
of fertility was observed in male and female rats that received intravenous doses up to 10 mg/kg/day
(approximately 600 times the MRHD in adults).
Use In Specific Populations
Pregnancy
Risk Summary
There are no adequate and well-controlled studies with PULMOZYME in pregnant women. However,
animal reproduction studies have been conducted with dornase alfa. In these studies, no evidence of
fetal harm was observed in rats and rabbits at doses of dornase alfa up to approximately 600 times the
maximum recommended human dose (MRHD).
The background risk of major birth defects and miscarriage for the cystic fibrosis population is
unknown. However, the background risk in the U.S. general population of major birth defects is 2-4%
and of miscarriage is 15-20% of clinically recognized pregnancies.
Data
Animal Data
Reproductive studies have been performed in rats and rabbits at intravenous doses of dornase alfa up to
10 mg/kg/day (approximately 600 times the MRHD in adults). In a combined embryo-fetal development
and pre- and post-natal development study, no evidence of maternal toxicity, embryotoxicity, or
teratogenicity was observed when dornase alfa was administered to dams throughout organogenesis
(Gestation days 6 to 17). Dornase alfa did not elicit adverse effects on fetal or neonatal growth when
administered to dams throughout most of gestation and delivery (Gestation days 6 to 25) and nursing
(Post-partum days 6 to 21).
A pharmacokinetic study in Cynomolgus monkeys found no detectable levels of dornase alfa in fetal
blood or amniotic fluid on gestation day 150 (end of gestation) from mothers that were administered an
intravenous bolus dose (0.1 mg/kg) followed by an intravenous infusion dose (0.080 mg/kg) over a 6-
hour period during pregnancy.
Lactation
Risk Summary
It is not known whether PULMOZYME is present in human milk. In a pharmacokinetic study in
Cynomolgus monkeys, levels of dornase alfa detected in milk were less than 0.1% of the maternal serum
concentration at 24 hours after dosing [intravenous bolus dose (0.1 mg/kg) of dornase alfa followed by
an intravenous infusion (0.080 mg/kg/hr) over a 6-hour period] on post-partum day 14. The
developmental and health benefits of breastfeeding should be considered along with the mother's
clinical need for PULMOZYME and any potential adverse effects on the breastfed child from
PULMOZYME or from the underlying maternal condition.
Pediatric Use
The safety and effectiveness of PULMOZYME have been established in pediatric patients 5 years of
age and older [see ADVERSE REACTIONS and Clinical Studies]. The safety of PULMOZYME, 2.5 mg
by inhalation, was studied with 2 weeks of daily administration in 65 patients with cystic fibrosis aged 3
months to < 5 years [see ADVERSE REACTIONS]. While clinical trial data are limited in pediatric patients
younger than 5 years of age, the use of PULMOZYME should be considered for pediatric CF patients
who may experience potential benefit in pulmonary function or who may be at risk of respiratory tract
infection.
Geriatric Use
Cystic fibrosis is primarily a disease of children and young adults. Clinical studies of PULMOZYME
did not include sufficient numbers of subjects aged 65 or older to determine whether they respond
differently from younger subjects.