Sorilux
(Calcipotriene)Dosage & Administration
SORILUX Foam is for topical use only. SORILUX Foam is not for oral, ophthalmic, or intravaginal use.
Apply a thin layer of SORILUX Foam twice daily to the affected areas and rub in gently and completely. Avoid contact with the face and eyes.
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Sorilux Prescribing Information
Indications and Usage (SORILUX Foam is indicated for the topical treatment of plaque psoriasis of the scalp and body in adults and pediatric patients 4 years of age and older. SORILUX®Foam is a vitamin D analog indicated for the topical treatment of plaque psoriasis of the scalp and body in adults and pediatric patients 4 years of age and older. | 11/2019 |
SORILUX Foam is for topical use only. SORILUX Foam is not for oral, ophthalmic, or intravaginal use.
Apply a thin layer of SORILUX Foam twice daily to the affected areas and rub in gently and completely. Avoid contact with the face and eyes.
0.005%, white foam. SORILUX Foam contains calcipotriene 50 mcg/g in an aqueous-based emulsion foam vehicle.
Although there are no available data on the drug- associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes in pregnant women exposed to SORILUX Foam, systemic exposure to calcipotriene is likely to be low
Effects on Calcium Metabolism
In 19 subjects with psoriasis aged 12 to less than 17 years treated with SORILUX Foam two times a day for 15 days, there was no significant effect on indices of calcium metabolism including serum albumin adjusted calcium, urine calcium/creatinine ratio, iPTH, alkaline phosphatase, magnesium and phosphorus.
The effects of SORILUX Foam, 0.005%, on calcium metabolism were evaluated in 18 pediatric subjects 5 to 11 years of age receiving SORILUX Foam administered twice daily for a minimum of 14 days (mean: 56 days, range: 14 to 69 days). These subjects had plaque psoriasis involving an average of 10% of the body surface area (BSA) (range: 0.5%-36.5%). There was no relationship between urinary calcium/creatinine ratio (comparing Week 2 to Baseline) and % BSA treated.
The systemic absorption of calcipotriene in subjects with psoriasis of the body was evaluated at steady state following application of either SORILUX Foam or calcipotriene ointment to a body surface area of 5% to 10%. In the SORILUX Foam treatment group, 15 out of 16 subjects had calcipotriene plasma concentrations below the limit of quantitation (10 pg/mL), while in the calcipotriene ointment treated group, 5 out of 16 subjects had measurable calcipotriene plasma concentrations at various time points. All measurable plasma calcipotriene concentrations were below 25 pg/mL.
The pharmacokinetics of SORILUX Foam, 0.005% was investigated when applied topically for 15 days to 17 subjects aged 12 to less than 17 years with moderate plaque psoriasis involving a mean BSA of 24%, excluding face and scalp, and a mean scalp involvement of 43%. Systemic concentration of calcipotriene were not quantifiable in any of the subjects (limit of quantification = 10 pg/mL).
In 11 pediatric subjects 7 to 11 years of age with plaque psoriasis involving a mean BSA of 10%, plasma concentration of calcipotriene was measured following 2 weeks of twice daily administration of SORILUX Foam. No subject had quantifiable calcipotriene plasma concentration (limit of quantification = 10 pg/mL).
The systemic disposition of calcipotriene is expected to be similar to that of the naturally occurring vitamin D. Absorbed calcipotriene is known to be converted to inactive metabolites within 24 hours of application and the metabolism occurs via a similar pathway to the natural hormone.
In animal reproduction studies, oral administration of calcipotriene to pregnant rats and rabbits during the period of organogenesis resulted in an increased incidence of minor skeletal abnormalities, including enlarged fontanelles and extra ribs in rats and an increased incidence of minor skeletal abnormalities, including incomplete ossification of pubic bones and forelimb phalanges in rabbits
Embryofetal development studies were conducted with calcipotriene after oral administration in rats and rabbits. Pregnant rats received daily oral administration of calcipotriene during the period of organogenesis. Fetuses from dams dosed with 54 mcg/kg/day (318 mcg/m2/day) exhibited a significantly increased incidence of minor skeletal abnormalities consisting primarily of enlarged fontanelles and extra ribs. The enlarged fontanelles are most likely due to calcipotriene's effect upon calcium metabolism. There were no effects on the incidence of major malformations in fetuses.
Pregnant rabbits received daily oral administration of calcipotriene during the period of organogenesis. Increased rabbit maternal and fetal toxicity was noted at 12 mcg/kg/day (132 mcg/m2/day). Fetuses from does dosed with 36 mcg/kg/day (396 mcg/m2/day) exhibited a significantly increased incidence of minor skeletal abnormalities including incomplete ossification of pubic bones and forelimb phalanges. There were no effects on the incidence of major malformations in fetuses.
The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.
SORILUX Foam should not be used by patients with known hypercalcemia.