Approved Drug Label (PDF)
6
Adverse Reactions
6.2 Post-Marketing Experience
(Additions and/or revisions
are underlined)
Because adverse events are reported voluntarily from a population of uncertain size, it is not always possible to reliably
estimate their frequency or establish a causal relationship to drug exposure.
The following spontaneous adverse events have been reported
during the marketing of desloratadine:
Cardiac disorders: tachycardia, palpitations
Respiratory, thoracic and mediastinal disorders: dyspnea
Skin and subcutaneous tissue disorders: rash, pruritus
Nervous system disorders: psychomotor hyperactivity, movement disorders (including dystonia, tics, and extrapyramidal symptoms),
seizures (reported in patients with
and without a known
seizure disorder)
Immune system disorders: hypersensitivity reactions (such as
urticaria, edema and anaphylaxis)
Investigations: elevated liver enzymes including bilirubin
Hepatobiliary disorders: hepatitis
Metabolism and nutrition disorders: increased appetite
8
Use in Specific Populations
8.1 Pregnancy
(Pregnancy and Lactation Labeling Rule (PLLR)
Conversion; Additions and/or revisions
are underlined)
Risk Summary
The limited available data with CLARINEX in pregnant women are not
sufficient to inform a drug-associated risk for major birth defects and
miscarriage. There are no adequate and well-controlled studies in pregnant women.
Desloratadine given during organogenesis to pregnant rats was not
teratogenic at the summed area under the concentration-time curve (AUC)-based
exposures of desloratadine and its metabolite approximately 320 times that
at the recommended human daily oral dose (RHD) of 5 mg/day.
Desloratadine given during organogenesis to pregnant rabbits was not teratogenic at the AUC-based exposures of desloratadine
approximately 230 times that at the RHD. Desloratadine given
to pregnant rats during organogenesis through lactation resulted in
reduced body weight and slow righting reflex of F1 pups at the
summed AUC-based exposures of desloratadine and its metabolite approximately
70 times or greater than that at the RHD.
The estimated background risk of major birth defects and miscarriage for
the indicated populations is unknown. In the U.S. general population, the
estimated background risk of major birth defects and miscarriage in clinically
recognized pregnancies is 2- 4% and 15-20%, respectively.
Data
Animal
Data
Desloratadine was given orally during organogenesis to pregnant rats at
doses of 6, 24 and 48 mg/kg/day (approximately 50, 200 and 320 times the summed
AUC-based exposure of desloratadine and its metabolite at the RHD). No fetal
malformations were present. Reduced fetal weights and skeletal variations noted
at doses of 24 and 48 mg/kg/day were likely secondary to the maternal
toxicities of reduced body weight gain and food consumption observed at the same doses. Desloratadine was also given orally
during organogenesis to pregnant rabbits at doses of 15, 30 and 60 mg/kg/day
(approximately 30, 70 and 230 times the AUC- based exposure of desloratadine at
the RHD). No adverse effects to the fetus were noted. Reduced maternal body
weight gain was noted in rabbits at 60 mg/kg/day. In a peri- and post-natal
development study, desloratadine was given to rats orally during the peri-
natal (Gestation Day 6) through lactation periods (Postpartum Day 21) at doses
of 3, 9 and 18 mg/kg/day. Reduced body weight and slow righting reflex were
reported in F1 pups at doses of 9 mg/kg/day or greater (approximately 70 times
or greater than the summed AUC-based exposure of desloratadine and its
metabolite at the RHD). Desloratadine had no effect on F1 pup development at 3
mg/kg/day (approximately 10 times the summed AUC-based exposure of
desloratadine and its metabolite at the RHD). Maternal toxicities including
reduced body weight gain and food consumption were noted at 18 mg/kg/day for F0
dams. F1 offspring were subsequently mated and there was no developmental
toxicity for F2 pups observed.
8.2 Lactation
(Pregnancy and Lactation Labeling Rule (PLLR)
Conversion; Additions and/or revisions
are underlined)
Risk Summary
Desloratadine passes into breast milk. There are not sufficient data
on the effects of desloratadine on the breastfed infant or the effects of
desloratadine on milk production. The decision should be made whether to
discontinue nursing or to discontinue desloratadine, taking into account the
developmental and health benefits of breastfeeding, the nursing mother’s
clinical need, and any potential adverse effects on the breastfed infant from
desloratadine or from the underlying maternal condition.
8.3 Females and Males of Reproductive Potential
(Newly
Added Subsection)
Infertility
There are no data available on human infertility associated with
desloratadine.
There were no clinically relevant effects of desloratadine on female
fertility in rats. A male specific decrease in fertility occurred at an oral
desloratadine dose of 12 mg/kg or greater in rats (approximately 65 times the
summed AUC-based exposure of desloratadine and its metabolite at the RHD). Male
fertility was unaffected at a desloratadine dose of 3 mg/kg (approximately 10
times the summed AUC-based exposure of desloratadine and its metabolite at the
RHD).
Approved Drug Label (PDF)
6
Adverse Reactions
6.2 Post-Marketing Experience
Adverse reactions broken
down by body function; additions and/or revisions underlined:
Cardiac disorders: tachycardia, palpitations
Respiratory, thoracic and
mediastinal disorders: dyspnea
Skin and subcutaneous tissue
disorders: rash, pruritus
Nervous system disorders: psychomotor hyperactivity, movement disorders (including dystonia, tics,
and extrapyramidal symptoms), seizures (reported in patients with and
without a known seizure disorder)
Immune system disorders: hypersensitivity reactions (such as urticaria, edema and anaphylaxis)
Investigations: elevated liver enzymes including bilirubin
Hepatobiliary disorders: hepatitis
Metabolism and nutrition
disorders: increased appetite