What is VECTICAL Ointment and how is it used?
VECTICAL Ointment is a prescription medicine used on the skin (topical) to treat mild to moderate plaque psoriasis in adults and children 2 years and older.
It is not known if VECTICAL Ointment is safe and effective in children under 2 years of age.
What are the possible side effects of VECTICAL Ointment?
VECTICAL Ointment may cause serious side effects, including:
- Too much calcium in your blood (hypercalcemia) may occur with VECTICAL Ointment. Your healthcare provider may tell you to stop using VECTICAL Ointment until your calcium levels become normal.
- The most common side effects of VECTICAL Ointment include increased urine calcium level, itching, and skin discomfort.
These are not all of the possible side effects of VECTICAL Ointment.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
VECTICAL (calcitriol) Ointment 3 mcg/g is a vitamin D analog intended for topical application to the skin. The chemical name of the active ingredient is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene- 1α,3β,25-triol. The structural formula is:
Calcitriol is a white or almost white crystalline solid. It is practically insoluble in water, soluble in alcohol and in fatty oils. The molecular formula is C27H44O3, and the molecular weight is 416.64.
VECTICAL Ointment is a translucent ointment containing 3 mcg/g (0.0003% w/w) of calcitriol, packaged in aluminum tubes with screw caps. Other components of the ointment are mineral oil, dl-α- tocopherol, and white petrolatum.
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VECTICAL Ointment is indicated for the topical treatment of mild to moderate plaque psoriasis in adults 18 years and older.
Limitations Of Use
VECTICAL Ointment should not be applied to the eyes, lips, or facial skin.
DOSAGE AND ADMINISTRATION
Apply VECTICAL Ointment to affected areas twice daily, morning and evening. The maximum weekly dose should not exceed 200 grams.
VECTICAL Ointment is not for oral, ophthalmic or intravaginal use.
Dosage Forms And Strengths
Each gram of ointment contains 3 micrograms (mcg/g) of calcitriol.
Storage And Handling
VECTICAL Ointment 3 mcg/g is available in collapsible aluminum tubes of the following package sizes:
100 g tube (NDC 0299-2012-10)
Store at Controlled Room temperature 68° - 77°F (20° - 25°C) with excursions permitted between 59° - 86°F (15° - 30°C). [See USP Controlled Room Temperature.] Do not freeze or refrigerate.
Marketed by: Galderma Laboratories, L.P., Fort Worth, Texas 76177 USA. Manufactured by: G Production Inc., Baied'Urfe, QC, H9X 3S4 Canada. Revised: Jul 2012
Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice.
Clinical Studies Experience
VECTICAL Ointment was studied in two vehicle-controlled studies (419 subjects), and in one open label study (324 subjects). The table below describes exposure to VECTICAL Ointment in 743 subjects, including 239 exposed for 6 months and 116 exposed for one year.
Four hundred and nineteen subjects were treated with VECTICAL Ointment twice daily for 8 weeks. The population included subjects ages 13 to 87, males (284) and females (135), Caucasians (372) and non-Caucasians (47); with mild (105) to moderate (313) chronic plaque psoriasis.
Selected Adverse Events Occuring in at least 1% of
Subjects in the Two Pooled Vehivle-Controlled Studies
(n = 419)
(n = 420)
Among subjects having laboratory monitoring, hypercalcemia was observed in 24% (18/74) of subjects exposed to active drug and in 16% (13/79) of subjects exposed to vehicle, however the elevations were less than 10% above the upper limit of normal [see WARNINGS AND PRECAUTIONS]
The open label study enrolled 324 subjects with psoriasis who were then treated for up to 52 weeks. Adverse events reported at a rate of greater than or equal to 3% of subjects treated with VECTICAL Ointment were lab test abnormality (8%), urine abnormality (4%), psoriasis (4%), hypercalciuria (3%), and pruritus (3%). Kidney stones were reported in 3 subjects and confirmed in two.
The following adverse reactions have been identified during world-wide post-approval use of VECTICAL Ointment: acute blistering dermatitis, erythema, pruritus, skin burning sensation, and skin discomfort. 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.
VECTICAL Ointment should be used with caution in patients receiving medications known to increase the serum calcium level, such as thiazide diuretics. Caution should also be exercised in patients receiving calcium supplements or high doses of vitamin D [see WARNINGS AND PRECAUTIONS].
Included as part of the PRECAUTIONS section.
Effects On Calcium Metabolism
In controlled clinical trails with VECTICAL Ointment, among subjects having laboratory monitoring, hypercalcemia was observed in 24% (18/74) of subjects exposed to active drug and in 16% (13/79) of subjects exposed to vehicle. However, the increases in calcium and albumin-adjusted calcium levels were less than 10% above the upper limit of normal.
If aberrations in parameters of calcium metabolism occur, treatment should be discontinued until these parameters have normalized. The effects of VECTICAL Ointment on calcium metabolism following treatment durations greater than 52 weeks have not been evaluated. Increased absorption may occur with occlusive use.
Ultraviolet Light Exposure
Animal data suggest that the vehicle of VECTICAL Ointment may enhance the ability of ultraviolet radiation (UVR) to induce skin tumors. [see Carcinogenesis, Mutagenesis, Impairment of Fertility]
Subjects who apply VECTICAL Ointment to exposed skin should avoid excessive exposure of the treated areas to either natural or artificial sunlight, including tanning booths and sun lamps. Physicians may wish to limit or avoid use of phototherapy in patients who use VECTICAL Ointment.
The safety and effectiveness of VECTICAL Ointment in patients with known or suspected disorders of calcium metabolism have not been evaluated.
The safety and effectiveness of VECTICAL Ointment in patients with erythrodermic, exfoliative, or pustular psoriasis have not been evaluated.
Carcinogenesis, Mutagenesis, Impairment Of Fertility
When calcitriol was applied topically to mice for up to 24 months, no significant changes in tumor incidence were observed. Concentrations of calcitriol in ointment base of 0 (vehicle control), 0.3, 0.6 and 1.0 ppm were evaluated.
A two-year carcinogenicity study was conducted in which calcitriol was orally administered to rats at dosages of approximately 0.005, 0.03, and 0.1 mcg/kg/day (0.03, 0.18, and 0.6 mcg/m²/day, respectively). The incidence of benign pheochromocytomas was significantly increased in female rats. No other significant differences in tumor incidence data were observed.
In a study in which albino hairless mice were exposed to both ultra-violet radiation (UVR) and topically applied calcitriol ointment, a reduction in the time required for UVR to induce the formation of skin tumors was observed in all groups that received the ointment base, including the vehicle-treated control group, relative to animals that received no ointment but which were exposed to UVR. The time required for UVR to induce the formation of skin tumors did not differ between animals that received plain vehicle and those that received vehicle that contained calcitriol. Concentrations of calcitriol in ointment base of 0 (vehicle control), 0.3, 0.6 and 1.0 ppm were evaluated. These data suggest that the vehicle of VECTICAL Ointment may enhance the ability of UVR to induce skin tumors.
Calcitriol did not elicit genotoxic effects in the mouse lymphoma TK locus assay.
Studies in which male and female rats received oral doses of calcitriol of up to 0.6 mcg/kg/day (3.6 mcg/m²/day) indicated no impairment of fertility or general reproductive performance.
Based upon the recommended human dose and instructions for use, it is not possible to calculate human dose equivalents for animal exposure in these studies.
Use In Specific Populations
Pregnancy Category C.
VECTICAL Ointment contains calcitriol which has been shown to be fetotoxic. There are no adequate and well-controlled studies for VECTICAL Ointment in pregnant women. VECTICAL Ointment should be used during pregnancy only if the potential benefit to the patient justifies the potential risk to the fetus.
Teratogenicity studies with calcitriol were performed in which rats were treated orally at dosages up to 0.9 mcg/kg/day (5.4 mcg/m²/day) and in which rabbits received topical application of calcitriol ointment (3 ppm) to 6.4% of the body surface area. No effects on reproductive or fetal parameters were observed in rats. In rabbits, topically applied calcitriol induced a significantly elevated mean postimplantation loss and an increased incidence of minor skeletal abnormalities due to retarded ossification of the pubic bones. A slightly increased incidence of skeletal variation (extra 13TH rib, reduced ossification of epiphyses) was also observed. These effects may have been secondary to maternal toxicity. Based on the recommended human dose and instructions for use, it is not possible to calculate human dose equivalents for animal exposures in these studies.
It is not known whether calcitriol is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when VECTICAL Ointment is administered to a nursing woman.
Safety and effectiveness in pediatric patients have not been established.
Clinical studies of VECTICAL Ointment did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported experience has not identified differences in responses between the elderly and younger patients.
The contribution to efficacy of individual components of the vehicle has not been established.
Mechanism Of Action
The systemic exposure of calcitriol was assessed in subjects with chronic, plaque psoriasis. In the pivotal pharmacokinetic/pharmacodynamic study, calcitriol ointment 3 mcg/g, was applied twice daily for 21 days (for a total dose of 30 g/day) to 35% of the body surface area (psoriatic + surrounding healthy skin) of subjects with at least 25% of body surface area involvement. At Day 21, the geometric mean plasma concentration values of Cmax increased by approximately 36% over baseline and the geometric mean value of AUC(0-12hr) increased by 44%. There was no correlation between the elevated calcitriol levels and the pharmacodynamic parameters of serum albumin adjusted calcium, serum phosphorus, urinary calcium and urinary phosphorus.
In two, multicenter, double-blind, vehicle-controlled studies, a total of 839 subjects with psoriasis rated “mild” or “moderate” using an investigator global assessment scale were treated twice daily for 8 weeks. Subjects were randomized in a 1:1 ratio to receive either VECTICAL Ointment or vehicle ointment. The mean age of the subjects was 48 years and 66% were male; most subjects were rated “moderate” at baseline.
Success was defined as “Clear or Minimal” (up to light red or pink in coloration, surface dryness with some white coloration, and slight elevation above normal skin) with at least a 2-grade change from baseline. The success rates are displayed in the table.
Percentage of Subjects with Clear or Minimal Disease
AND Two Grade Improvement at End of Treatment ( 8 Weeks)
|Study 1||Study 2|
(N = 209)
(N = 210)
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 intended effects.
Patients using VECTICAL Ointment should receive the following information:
Instructions For Use
This medication is to be used as directed by the physician. It is for external use only. This medication is to be applied only to areas of the skin affected by psoriasis, as directed. It should be gently rubbed into the skin so that no medication remains visible.
Patients should report any signs of adverse reactions to their physician.
To report SUSPECTED ADVERSE REACTIONS, contact Galderma Laboratories , L.P. at 1-866-735-4137 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.