General
Systemic absorption of topical corticosteroids can produce reversible hypothalamic-pituitary-adrenal
(HPA) axis suppression with the potential for glucocorticosteroid insufficiency
after withdrawal of treatment.Manifestations of Cushing's syndrome,hyperglycemia,
and glucosuria can also be produced in some patients by systemic absorption
of topical corticosteroids while on treatment.
Patients applying a topical steroid to a large surface area or to areas under
occlusion should be evaluated periodically for evidence of HPA axis suppression.This
may be done by using the ACTH stimulation,A.M.plasma cortisol,and urinary free-cortisol
tests.Patients receiving super potent corticosteroids should not be treated
for more than 2 weeks at a time and only small areas should be treated at any
one time due to the increased risk of HPA suppression.
Ultravate Cream produced HPA axis suppression when used in divided doses at
7 grams per day for one week in patients with psoriasis.These effects were reversible
upon discontinuation of treatment.
If HPA axis suppression is noted,an attempt should be made to withdraw the
drug,to reduce the frequency of application,or to substitute a less potent corticosteroid.Recovery
of HPA axis function is generally prompt upon discontinuation of topical corti-costeroids.Infrequently,signs
and symptoms of glucocorticosteroid insufficiency may occur requiring supplemental
systemic cor-ticosteroids.For information on systemic supplementation,see prescribing
information for those products.
Pediatric patients may be more susceptible to systemic toxicity from equivalent
doses due to their larger skin surface to body mass ratios (see PRECAUTIONS:
Pediatric Use).
If irritation develops,Ultravate Cream should be discontinued and appropriate
therapy instituted.Allergic contact dermatitis with corticosteroids is usually
diagnosed by observing failure to heal rather than noting a clinical exacerbation
as with most topical products not containing corticosteroids.Such an observation
should be corroborated with appropriate diagnostic patch testing.
If concomitant skin infections are present or develop,an appropriate antifungal
or antibacterial agent should be used.If a favorable response does not occur
promptly,use of Ultravate Cream should be discontinued until the infection has
been adequately controlled.
Ultravate Cream should not be used in the treatment of rosacea or perioral
dermatitis,and it should not be used on the face, groin,or in the axillae.
Laboratory Tests
The following tests may be helpful in evaluating patients for HPA axis suppression:ACTH-stimulation
test; A.M.plasma cortisol test; Urinary free-cortisol test.
Carcinogenesis,Mutagenesis,and Impairment of Fertility
Long-term animal studies have not been performed to evaluate the carcinogenic
potential of halobetasol propionate. Positive mutagenicity effects were observed
in two genotoxicity assays.Halobetasol propionate was positive in a Chinese
hamster micronucleus test,and in a mouse lymphoma gene mutation assay in
vitro.
Studies in the rat following oral administration at dose levels up to 50 µg/kg/day
indicated no impairment of fertility or general reproductive performance.
In other genotoxicity testing,halobetasol propionate was not found to be genotoxic
in the Ames/Salmonella assay,in the sister chromatid exchange test in somatic
cells of the Chinese hamster,in chromosome aberration studies of germinal and
somatic cells of rodents,and in a mammalian spot test to determine point mutations.
Pregnancy
Teratogenic effects:Pregnancy Category C
Corticosteroids have been shown to be teratogenic in laboratory animals when
administered systemically at relatively low dosage levels.Some corticosteroids
have been shown to be teratogenic after dermal application in laboratory animals.
Halobetasol propionate has been shown to be teratogenic in SPF rats and chinchilla-type
rabbits when given systemically during gestation at doses of 0.04 to 0.1 mg/kg
in rats and 0.01 mg/kg in rabbits.These doses are approximately 13,33 and 3
times, respectively,the human topical dose of Ultravate Cream.Halobetasol propionate
was embryotoxic in rabbits but not in rats.
Cleft palate was observed in both rats and rabbits.Omphalocele was seen in
rats,but not in rabbits.
There are no adequate and well-controlled studies of the teratogenic potential
of halobetasol propionate in pregnant women. Ultravate Cream should be used
during pregnancy only if the potential benefit justifies the potential risk
to the fetus.
Nursing Mothers
Systemically administered corticosteroids appear in human milk and could suppress
growth, interfere with endogenous corti-costeroid production, or cause other
untoward effects. It is not known whether topical administration of corticosteroids
could result in sufficient systemic absorption to produce detectable quantities
in human milk. Because many drugs are excreted in human milk,caution should
be exercised when Ultravate Cream is administered to a nursing woman.
Pediatric Use
Safety and effectiveness of Ultravate Cream in pediatric patients have not
been established and use in pediatric patients under 12 is not recommended.Because
of a higher ratio of skin surface area to body mass,pediatric patients are at
a greater risk than adults of HPA axis suppression and Cushing's syndrome when
they are treated with topical corticosteroids.They are therefore also at greater
risk of adrenal insufficiency during or after withdrawal of treatment.Adverse
effects including striae have been reported with inappropriate use of topical
corticosteroids in infants and children.
HPA axis suppression,Cushing's syndrome,linear growth retardation,delayed weight
gain and intracranial hypertension have been reported in children receiving
topical corticosteroids.Manifestations of adrenal suppression in children include
low plasma cortisol levels and an absence of response to ACTH stimulation. Manifestations
of intracranial hypertension include bulging fontanelles,headaches,and bilateral
papilledema.
Geriatric Use
Of approximately 400 patients treated with Ultravate Cream in clinical studies,
25% were 61 years and over and 6% were 71 years and over.No overall differences
in safety or effectiveness were observed between these patients and younger
patients; and other reported clinical experience has not identified differences
in responses between the elderly and younger patients,but greater sensitivity
of some older individuals cannot be ruled out.
Last updated on RxList: 7/21/2008