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calcipotriene
Overview
What is calcipotriene?
Calcipotriene Ointment, 0.005% contains the compound calcipotriene, a synthetic vitamin D derivative for topical dermatological use.
Chemically, calcipotriene is (5Z,7E,22E,24S)-24-cyclopropyl-9,10-secochola-5,7,10(19),22-tetraene-1α,3β,24-triol-, with the empirical formula CHO, a molecular weight of 412.6, and the following structural formula:
Calcipotriene is a white or off-white crystalline substance. Calcipotriene Ointment contains calcipotriene 50 μg/g in an ointment base of dibasic sodium phosphate, edetate disodium, mineral oil, petrolatum, propylene glycol, tocopherol, steareth-2 and water.
What does calcipotriene look like?
What are the available doses of calcipotriene?
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What should I talk to my health care provider before I take calcipotriene?
Sorry No records found
How should I use calcipotriene?
Calcipotriene Ointment, 0.005%, is indicated for the treatment of plaque psoriasis in adults. The safety and effectiveness of topical calcipotriene in dermatoses other than psoriasis have not been established.
Apply a thin layer of Calcipotriene Ointment once or twice daily and rub in gently and completely.
What interacts with calcipotriene?
Calcipotriene Ointment is contraindicated in those patients with a history of hypersensitivity to any of the components of the preparation. It should not be used by patients with demonstrated hypercalcemia or evidence of vitamin D toxicity. Calcipotriene Ointment should not be used on the face.
What are the warnings of calcipotriene?
Sorry No Records found
What are the precautions of calcipotriene?
General
Use of Calcipotriene Ointment may cause irritation of lesions and surrounding uninvolved skin. If irritation develops, Calcipotriene Ointment should be discontinued.
For external use only. Keep out of the reach of children. Always wash hands thoroughly after use.
Transient, rapidly reversible elevation of serum calcium has occurred with use of Calcipotriene Ointment. If elevation in serum calcium outside the normal range should occur, discontinue treatment until normal calcium levels are restored.
Information for Patients
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Patients using Calcipotriene Ointment should receive the following information and instructions:
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Carcinogenesis, Mutagenesis, Impairment of Fertility
When calcipotriene was applied topically to mice for up to 24 months at dosages of 3, 10 and 30 μg/kg/day (corresponding to 9, 30 and 90 μg/m/day), no significant changes in tumor incidence were observed when compared to control. In a study in which albino hairless mice were exposed to both UVR and topically applied calcipotriene, a reduction in the time required for UVR to induce the formation of skin tumors was observed (statistically significant in males only), suggesting that calcipotriene may enhance the effect of UVR to induce skin tumors. Patients that apply Calcipotriene Ointment to exposed portions of the body should avoid excessive exposure to either natural or artificial sunlight (including tanning booths, sun lamps, etc.). Physicians may wish to avoid use of phototherapy in patients that use Calcipotriene Ointment.
Calcipotriene did not elicit any mutagenic effects in an Ames mutagenicity assay, a mouse lymphoma TK locus assay, a human lymphocyte chromosome aberration assay, or in a micronucleus assay conducted in mice.
Studies in rats at doses up to 54 μg/kg/day (324 μg/m/day) of calcipotriene indicated no impairment of fertility or general reproductive performance.
Pregnancy
Teratogenic Effects: Pregnancy Category C
Studies of teratogenicity were done by the oral route where bioavailability is expected to be approximately 40-60% of the administered dose. In rabbits, increased maternal and fetal toxicity were noted at a dosage of 12 μg/kg/day (132 μg/m/day); a dosage of 36 μg/kg/day (396 μg/m/day) resulted in a significant increase in the incidence of incomplete ossification of the pubic bones and forelimb phalanges of fetuses. In a rat study, a dosage of 54 μg/kg/day (318 μg/m/day) resulted in a significantly increased incidence of skeletal abnormalities (enlarged fontanelles and extra ribs). The enlarged fontanelles are most likely due to calcipotriene’s effect upon calcium metabolism. The estimated maternal and fetal no-effect exposure levels in the rat (43.2 μg/m2/day) and rabbit (17.6 μg/m/day) studies are approximately equal to the expected human systemic exposure level (18.5 μg/m/day) from dermal application. There are no adequate and well-controlled studies in pregnant women. Therefore, Calcipotriene Ointment should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
Nursing Mothers
It is not known whether calcipotriene is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Calcipotriene Ointment, 0.005% is administered to a nursing woman.
Pediatric Use
Safety and effectiveness of Calcipotriene Ointment in pediatric patients have not been established. Because of a higher ratio of skin surface area to body mass, pediatric patients are at greater risk than adults of systemic adverse effects when they are treated with topical medication.
Geriatric Use
Of the total number of patients in clinical studies of calcipotriene ointment, approximately 12% were 65 or older, while approximately 4% were 75 and over. The results of an analysis of severity of skin-related adverse events showed a statistically significant difference for subjects over 65 years (more severe) compared to those under 65 years (less severe).
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What are the side effects of calcipotriene?
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Clinical Trials Experience
In controlled clinical trials, the most frequent adverse reactions reported for Calcipotriene Ointment were burning, itching and skin irritation, which occurred in approximately 10-15% of patients. Erythema, dry skin, peeling, rash, dermatitis, worsening of psoriasis including development of facial/scalp psoriasis were reported in 1 to 10% of patients. Other experiences reported in less than 1% of patients included skin atrophy, hyperpigmentation, hypercalcemia, and folliculitis. Once daily dosing has not been shown to be superior in safety to twice daily dosing.
Postmarketing Experience
Because these reactions 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 adverse reactions associated with the use of Calcipotriene Ointment have been identified post-approval: contact dermatitis, including allergic contact dermatitis.
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What should I look out for while using calcipotriene?
Calcipotriene Ointment is contraindicated in those patients with a history of hypersensitivity to any of the components of the preparation. It should not be used by patients with demonstrated hypercalcemia or evidence of vitamin D toxicity. Calcipotriene Ointment should not be used on the face.
Contact dermatitis, including allergic contact dermatitis, has been observed with the use of Calcipotriene Ointment.
What might happen if I take too much calcipotriene?
Topically applied Calcipotriene Ointment can be absorbed in sufficient amounts to produce systemic effects. Elevated serum calcium has been observed with excessive use of Calcipotriene Ointment.
How should I store and handle calcipotriene?
Storage ConditionsStore refrigerated between 2° and 8°C (36° and 46°F).Storage of Doxorubicin Hydrochloride Injection under refrigerated conditions can result in the formation of a gelled product. Place gelled product at room temperature [15º to 30ºC (59º to 86ºF)] for 2 to 4 hours to return the product to a slightly viscous, mobile solution. Storage ConditionsStore refrigerated between 2° and 8°C (36° and 46°F).Storage of Doxorubicin Hydrochloride Injection under refrigerated conditions can result in the formation of a gelled product. Place gelled product at room temperature [15º to 30ºC (59º to 86ºF)] for 2 to 4 hours to return the product to a slightly viscous, mobile solution. Storage ConditionsStore refrigerated between 2° and 8°C (36° and 46°F).Storage of Doxorubicin Hydrochloride Injection under refrigerated conditions can result in the formation of a gelled product. Place gelled product at room temperature [15º to 30ºC (59º to 86ºF)] for 2 to 4 hours to return the product to a slightly viscous, mobile solution. Calcipotriene Ointment, 0.005% is available in:60 gram aluminum tubes NDC 66993-878-61120 gram aluminum tubes NDC 66993-878-78Calcipotriene Ointment, 0.005% is available in:60 gram aluminum tubes NDC 66993-878-61120 gram aluminum tubes NDC 66993-878-78Calcipotriene Ointment, 0.005% is available in:60 gram aluminum tubes NDC 66993-878-61120 gram aluminum tubes NDC 66993-878-78
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
In humans, the natural supply of vitamin D depends mainly on exposure to the ultraviolet rays of the sun for conversion of 7-dehydrocholesterol to vitamin D (cholecalciferol) in the skin. Calcipotriene is a synthetic analog of vitamin D.
Clinical studies with radiolabelled ointment indicate that approximately 6% (± 3%, SD) of the applied dose of calcipotriene is absorbed systemically when the ointment is applied topically to psoriasis plaques or 5% (± 2.6%, SD) when applied to normal skin, and much of the absorbed active is converted to inactive metabolites within 24 hours of application.
Vitamin D and its metabolites are transported in the blood, bound to specific plasma proteins. The active form of the vitamin, 1,25-dihydroxy vitamin D (calcitriol), is known to be recycled via the liver and excreted in the bile. Calcipotriene metabolism following systemic uptake is rapid, and occurs via a similar pathway to the natural hormone. The primary metabolites are much less potent than the parent compound.
There is evidence that maternal 1,25-dihydroxy vitamin D (calcitriol) may enter the fetal circulation, but it is not known whether it is excreted in human milk. The systemic disposition of calcipotriene is expected to be similar to that of the naturally occurring vitamin.
Non-Clinical Toxicology
Calcipotriene Ointment is contraindicated in those patients with a history of hypersensitivity to any of the components of the preparation. It should not be used by patients with demonstrated hypercalcemia or evidence of vitamin D toxicity. Calcipotriene Ointment should not be used on the face.Contact dermatitis, including allergic contact dermatitis, has been observed with the use of Calcipotriene Ointment.
Use of Calcipotriene Ointment may cause irritation of lesions and surrounding uninvolved skin. If irritation develops, Calcipotriene Ointment should be discontinued.
For external use only. Keep out of the reach of children. Always wash hands thoroughly after use.
Transient, rapidly reversible elevation of serum calcium has occurred with use of Calcipotriene Ointment. If elevation in serum calcium outside the normal range should occur, discontinue treatment until normal calcium levels are restored.
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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