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Generic Name: fluocinonide
Dosage Form: Cream, 0.1%
FOR TOPICAL USE ONLY
Vanos™ (fluocinonide) Cream, 0.1% contains fluocinonide, a synthetic corticosteroid for topical dermatologic use. The corticosteroids constitute a class of primarily synthetic steroids used topically as anti-inflammatory and antipruritic agents. Fluocinonide has the chemical name 6 alpha, 9 alpha-difluoro-11 beta, 21-dihydroxy-16 alpha, 17 alpha-isopropylidenedioxypregna-1, 4-diene-3,20-dione 21-acetate. Its chemical formula is C26H32F2O7 and it has a molecular weight of 494.58.
It has the following chemical structure:
Fluocinonide is an almost odorless white to creamy white crystalline powder. It is practically insoluble in water and slightly soluble in ethanol.
Each gram of Vanos™ Cream contains 1 mg micronized fluocinonide in a cream base of propylene glycol USP, dimethyl isosorbide, glyceryl stearate (and) PEG-100 stearate, glyceryl monostearate NF, purified water USP, carbopol 980 NF, diisopropanolamine, and citric acid USP.
Vanos - Clinical Pharmacology
Like other topical corticosteroids, Vanos™ (fluocinonide), has anti-inflammatory, antipruritic, and vasoconstrictive properties. The mechanism of the anti-inflammatory activity of topical corticosteroids, in general, is unclear. However, corticosteroids are thought to act by induction of phospholipase A2 inhibitory proteins, collectively called lipocortins. It is postulated that these proteins control the biosynthesis of potent mediators of inflammation such as prostaglandins and leukotrienes by inhibiting the release of their common precursor, arachadonic acid. Arachadonic acid is released from membrane phospholipids by phospholipase A2.
The extent of percutaneous absorption of topical corticosteroids is determined by many factors including the vehicle and the integrity of the epidermal barrier. Topical corticosteroids can be absorbed from normal intact skin. Inflammation and/or other disease processes in the skin may increase percutaneous absorption.
Vasoconstrictor studies performed with Vanos™ Cream, 0.1% in healthy subjects indicate that it is in the super-high range of potency as compared with other topical corticosteroids; however, similar blanching scores do not necessarily imply therapeutic equivalence.
Application of Vanos™ Cream, 0.1% twice daily for 14 days in 18 adult patients with plaque-type psoriasis (10–50% BSA, mean 19.6% BSA) showed demonstrable HPA-axis suppression in 2 patients (with 12% and 25% BSA) where the criterion for HPA-axis suppression is a serum cortisol level of less than or equal to 18 micrograms per deciliter 30 minutes after stimulation with cosyntropin (ACTH1–24). (See PRECAUTIONS: General and Pediatric Use).
HPA-axis suppression has not been evaluated in psoriasis patients who are less than 18 years of age. HPA-axis suppression has been evaluated in pediatric patients with atopic dermatitis 12 to 18 years of age (See PRECAUTIONS: Pediatric Use).
Two adequate and well-controlled efficacy and safety studies of Vanos™ Cream have been completed, one in adult patients with plaque-type psoriasis (Table 1), and one in adult patients with atopic dermatitis (Table 2). In each of these studies, patients with between 2% and 10% body surface area involvement at Baseline treated all affected areas either once daily or twice daily with Vanos™ Cream for 14 consecutive days. The primary measure of efficacy was the proportion of patients whose condition was cleared or almost cleared at the end of treatment. The results of these studies are presented in the tables below as percent and number of patients achieving treatment success at Week 2.
No efficacy studies have been conducted to compare Vanos™ (fluocinonide) Cream, 0.1% with any other topical corticosteroid product, including fluocinonide cream 0.05%.
Indications and Usage for Vanos
Vanos™ (fluocinonide) Cream, 0.1%, is a corticosteroid indicated for the relief of the inflammatory and pruritic manifestations of corticosteroid responsive dermatoses in patients 12 years of age or older (See PRECAUTIONS: Pediatric Use).
Treatment beyond 2 consecutive weeks is not recommended and the total dosage should not exceed 60 g/week because the safety of Vanos™ Cream for longer than 2 weeks has not been established and because of the potential for the drug to suppress the hypothalamic-pituitary-adrenal (HPA) axis. Therapy should be discontinued when control of the disease is achieved. If no improvement is seen within 2 weeks, reassessment of the diagnosis may be necessary. Do not use more than half of the 120 g tube per week.
Vanos™ Cream is contraindicated in those patients with a history of hypersensitivity to any of the components of the preparation.
Systemic absorption of topical corticosteroids can produce reversible hypothalamic-pituitary-adrenal (HPA) axis suppression with the potential for gluococorticosteroid 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. Use of more than one corticosteroid-containing product at the same time may increase total systemic glucocorticoid exposure.
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 cosyntropin (ACTH1–24) stimulation testing. Patients should not be treated with Vanos™ Cream for more than 2 weeks at a time and only small areas should be treated at any time due to the increased risk of HPA axis suppression.
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 corticosteroids. Infrequently, signs and symptoms of glucocorticosteroid insufficiency may occur requiring supplemental systemic corticosteroids. For information on systemic supplementation, see prescribing information for those products.
Application of Vanos™ Cream, 0.1% twice daily for 14 days in 18 adult patients with plaque-type psoriasis (10–50% BSA, mean 19.6% BSA) and 31 adult patients (17 treated once daily; 14 treated twice daily) with atopic dermatitis (2–10% BSA, mean 5% BSA) showed demonstrable HPA-axis suppression in 2 patients with psoriasis (with 12% and 25% BSA) and 1 patient with atopic dermatitis (treated once daily, 4% BSA) where the criterion for HPA-axis suppression is a serum cortisol level of less than or equal to 18 micrograms per deciliter 30 minutes after stimulation with cosyntropin (ACTH1–24) (See CLINICAL PHARMACOLOGY).
Controlled clinical efficacy studies of Vanos™ Cream in pediatric patients younger than 17 years of age have not been conducted; (See PRECAUTIONS: Pediatric Use).
HPA-axis suppression has not been evaluated in psoriasis patients who are less than 18 years of age.
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, Vanos™ 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 Vanos™ Cream should be discontinued until the infection has been adequately controlled.
Vanos™ Cream should not be used in the treatment of rosacea or perioral dermatitis, and should not be used on the face, groin, or axillae.
Information for the Patient
Patients using Vanos™ Cream should receive the following information and instructions. This information is intended to aid in the safe and effective use of this medication. It is not a disclosure of all possible adverse or unintended effects:
The cosyntropin (ACTH1–24) stimulation test may be helpful in evaluating patients for HPA-axis suppression.
Carcinogenesis, Mutagenesis, and Impairment of Fertility
Long-term animal studies have not been performed to evaluate the carcinogenic potential or the effect on fertility of fluocinonide.
Fluocinonide revealed no evidence of mutagenic or clastogenic potential based on the results of two in vitro genotoxicity tests (Ames test and an in vitro chromosomal aberration assay in human lymphocytes). However, fluocinonide was positive for clastogenic potential when tested in the in vivo mouse micronucleus assay.
Pregnancy Category C: Teratogenic Effects
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.
There are no adequate and well-controlled studies in pregnant women. Therefore, Vanos™ Cream should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
Systemically administered corticosteroids appear in human milk and could suppress growth, interfere with endogenous corticosteroid 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 breast milk. Nevertheless, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.
Safety and efficacy of Vanos™ Cream in pediatric patients younger than 12 years of age have not been established; therefore use in pediatric patients younger than 12 years of age is not recommended.
HPA axis suppression was studied in 4 sequential cohorts of pediatric patients with atopic dermatitis covering at least 20% of the body surface area, treated once daily or twice daily with Vanos™ Cream. The first cohort of 31 patients (mean 36.3% BSA) 12 to < 18 years old; the second cohort included 31 patients (mean 39.0% BSA) 6 to < 12 years old; the third cohort included 30 patients (mean 34.6% BSA) 2 to < 6 years old; the fourth cohort included 31 patients (mean 40.0% BSA) 3 months to < 2 years old. Vanos™ Cream caused HPA axis suppression in 1 patient in the twice daily group in Cohort 1, 2 patients in the twice daily group in Cohort 2, and 1 patient in the twice daily group in Cohort 3. Follow-up testing 14 days after treatment discontinuation, available for all 4 suppressed patients, demonstrated a normally responsive HPA-axis. Signs of skin atrophy were present at baseline and severity was not determined making it difficult to assess local skin safety. Therefore, the safety of Vanos™ Cream in patients younger than 12 years of age has not been demonstrated.
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 absence of response to cosyntropin (ACTH1–24) stimulation. Manifestations of intracranial hypertension include bulging fontanelles, headaches, and bilateral papilledema.
Clinical studies of Vanos™ Cream did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. In general, dose selection for an elderly patient should be cautious.
In clinical trials, a total of 443 adult patients with atopic dermatitis or plaque-type psoriasis were treated once daily or twice daily with Vanos™ Cream for 2 weeks. The most commonly observed adverse events in these clinical trials were as follows:
No other adverse events were reported by more than 1 subject receiving active treatment. The incidence of all adverse events was similar between the active treatment groups and the vehicle control groups. Safety in patients 12 to 17 years of age was similar to that observed in adults.
The following additional local adverse reactions have been reported with topical corticosteroids, and they may occur more frequently with the use of occlusive dressings and higher potency corticosteroids. These reactions are listed in an approximate decreasing order of occurrence: burning, itching, irritation, dryness, folliculitis, hypertrichosis, acneiform eruptions, hypopigmentation, perioral dermatitis, allergic contact dermatitis, maceration of the skin, secondary infection, skin atrophy, striae, and miliaria.
Systemic absorption of topical corticosteroids has produced hypothalamic-pituitary-adrenal (HPA) axis suppression manifestations of Cushing"s syndrome, hyperglycemia, and glucosuria in some patients.
Topically applied Vanos™ Cream can be absorbed in sufficient amounts to produce systemic effects (see PRECAUTIONS).
Vanos Dosage and Administration
For psoriasis, apply a thin layer of Vanos™ Cream once or twice daily to the affected skin areas as directed by a physician. Twice daily application for the treatment of psoriasis has been shown to be more effective in achieving treatment success during 2 weeks of treatment.
For atopic dermatitis, apply a thin layer of Vanos™ Cream once daily to the affected skin areas as directed by a physician. Once daily application for the treatment of atopic dermatitis has been shown to be as effective as twice daily treatment in achieving treatment success during 2 weeks of treatment (See CLINICAL STUDIES)
For corticosteroid responsive dermatoses, other than psoriasis or atopic dermatitis, apply a thin layer of Vanos™ Cream once or twice daily to the affected areas as directed by a physician.
Treatment with Vanos™ Cream should be limited to 2 consecutive weeks, and no more than 60 g/week should be used. Do not use more than half of the 120 g tube per week.
Therapy should be discontinued when control has been achieved. If no improvement is seen within 2 weeks, reassessment of diagnosis may be necessary.
How is Vanos Supplied
Vanos™ (fluocinonide) Cream 0.1% is supplied in aluminum tubes as follows:
30 g (NDC 99207-525-30)
Store at controlled room temperature: 15° to 30°C (59° to 86°F).
U.S. Patent 6,765,001 and Patents Pending
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