Calcipotriene and Betamethasone Dipropionate

1 INDICATIONS AND USAGE Calcipotriene and Betamethasone Dipropionate Ointment is indicated for the topical treatment of plaque psoriasis in patients 12 years of age and older. Calcipotriene and Betamethasone Dipropionate Ointment is a vitamin D analogue and corticosteroid combination product indicated for the topical treatment of plaque psoriasis in patients 12 years of age and older. ( 1 )

2 DOSAGE AND ADMINISTRATION Apply an adequate layer of Calcipotriene and Betamethasone Dipropionate Ointment to the affected area(s) once daily for up to 4 weeks. Calcipotriene and Betamethasone Dipropionate Ointment should be rubbed in gently and completely. Patients should wash their hands after applying Calcipotriene and Betamethasone Dipropionate Ointment. Therapy should be discontinued when control is achieved. Patients 18 years and older should not use more than 100 g per week and patients 12 to 17 years should not use more than 60 g per week. Treatment of more than 30% body surface area is not recommended. Calcipotriene and Betamethasone Dipropionate Ointment should not be used with occlusive dressings unless directed by a physician. Avoid use on the face, groin, or axillae, or if skin atrophy is present at the treatment site. Calcipotriene and Betamethasone Dipropionate Ointment is not for oral, ophthalmic, or intravaginal use. • Apply Calcipotriene and Betamethasone Dipropionate Ointment to affected area(s) once daily for up to 4 weeks. Discontinue therapy when control is achieved. ( 2 ) • Adult patients should not use more than 100 g per week. ( 2 ) • Patients ages 12 to 17 years should not use more than 60 g per week. ( 2 ) • Treatment of more than 30% body surface area is not recommended. ( 2 ) • Do not use with occlusive dressings unless directed by a physician. ( 2 ) • Avoid use on the face, groin, or axillae, or if skin atrophy is present at the treatment site. ( 2 ) • Not for oral, ophthalmic, or intravaginal use. ( 2 )

3 DOSAGE FORMS AND STRENGTHS Ointment, 0.005%/0.064% ( 3 ) Ointment, 0.005%/0.064% Each gram of Calcipotriene and Betamethasone Dipropionate Ointment contains 52.18 mcg of calcipotriene hydrate (equivalent to 50 mcg of calcipotriene) and 0.643 mg of betamethasone dipropionate (equivalent to 0.5 mg of betamethasone) in off-white to yellow paraffin ointment base.

4 CONTRAINDICATIONS None. None. ( 4 )

6 ADVERSE REACTIONS Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The most common adverse reactions (≥1%) are pruritus and scaly rash. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact LEO Pharma Inc. at 1-877-494-4536 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Clinical Trials Conducted in Subjects 18 years and older with Plaque Psoriasis The data described below reflect exposure to Calcipotriene and Betamethasone Dipropionate Ointment in 2448 subjects with plaque psoriasis, including 1992 exposed for 4 weeks, and 289 exposed for 8 weeks. Calcipotriene and Betamethasone Dipropionate Ointment was studied primarily in placebo- and active-controlled trials (N = 1176, and N = 1272, respectively). The population was 15-97 years old, 61% males and 39% females, mostly white (97%) and had a baseline disease severity ranging from mild to very severe. Most subjects received once daily application, and the median weekly dose was 24.5 g. The percentage of subjects reporting at least one adverse event was 27.1% in the Calcipotriene and Betamethasone Dipropionate Ointment group, 33.0% in the calcipotriene group, 28.3% in the betamethasone group, and 33.4% in the vehicle group. Table 1 Adverse Events Reported by ≥1% of Subjects by Preferred Term Calcipotriene and Betamethasone Dipropionate Ointment Calcipotriene Betamethasone dipropionate Vehicle N = 2448 N = 3197 N = 1164 N = 470 Any Adverse Event 663 (27.1) 1055 (33.0) 329 (28.3) 157 (33.4) Preferred Term # of subjects (%) Pruritus 75 (3.1) 183 (5.7) 38 (3.3) 43 (9.1) Headache 69 (2.8) 75 (2.3) 44 (3.8) 12 (2.6) Nasopharyngitis 56 (2.3) 77 (2.4) 34 (2.9) 9 (1.9) Psoriasis 30 (1.2) 47 (1.5) 14 (1.2) 5 (1.1) Rash scaly 30 (1.2) 40 (1.3) 0 (0.0) 1 (0.2) Influenza 23 (0.9) 34 (1.1) 14 (1.2) 6 (1.3) Upper respiratory tract infection 20 (0.8) 19 (0.6) 12 (1.0) 3 (0.6) Erythema 15 (0.6) 54 (1.7) 3 (0.3) 5 (1.1) Application site pruritus 13 (0.5) 24 (0.8) 10 (0.9) 6 (1.3) Skin irritation 11 (0.4) 60 (1.9) 8 (0.7) 5 (1.1) Pain 7 (0.3) 12 (0.4) 3 (0.3) 5 (1.1) Burning sensation 6 (0.2) 30 (0.9) 3 (0.3) 6 (1.3) A lesional/perilesional adverse event was generally defined as an adverse event located ≤ 2 cm from the lesional border. Table 2 Lesional/Perilesional Adverse Events Reported by ≥1% of Subjects Calcipotriene and Betamethasone Dipropionate Ointment Calcipotriene Betamethasone dipropionate Vehicle N = 2448 N = 3197 N = 1164 N = 470 Any Adverse Event 213 (8.7) 419 (13.1) 85 (7.3) 76 (16.2) Preferred Term # of subjects (%) Pruritus 69 (2.8) 170 (5.3) 31 (2.7) 41 (8.7) Rash scaly 29 (1.2) 38 (1.2) 0 (0.0) 0 (0.0) Application site pruritus 12 (0.5) 24 (0.8) 10 (0.9) 6 (1.3) Erythema 9 (0.4) 36 (1.1) 2 (0.2) 4 (0.9) Skin irritation 9 (0.4) 51 (1.6) 8 (0.7) 5 (1.1) Burning sensation 6 (0.2) 25 (0.8) 3 (0.3) 5 (1.1) For subjects who reported lesional/perilesional adverse events, the median time to onset was 7 days for Calcipotriene and Betamethasone Dipropionate Ointment, 7 days for calcipotriene, 5 days for betamethasone dipropionate, and 3 days for vehicle. Other less common reactions (less than 1% but more than 0.1%) were, in decreasing order of incidence, folliculitis, rash papular, rash pustular, and skin hypopigmentation. Skin atrophy, telangiectasia and skin hyperpigmentation were reported infrequently (0.1%). In a separate trial, subjects (N = 207) with at least moderate disease severity were given Calcipotriene and Betamethasone Dipropionate Ointment intermittently on an "as needed" basis for up to 52 weeks. The median use was 15.4 g per week. The effects of Calcipotriene and Betamethasone Dipropionate Ointment on calcium metabolism were not studied and the effects on the HPA axis were not adequately studied. The following adverse reacti …

8 USE IN SPECIFIC POPULATIONS 8.1 Pregnancy Risk Summary Calcipotriene and Betamethasone Dipropionate Ointment contains calcipotriene and bethamethasone dipropionate. The limited data with Calcipotriene and Betamethasone Dipropionate Ointment and calcipotriene use in pregnant women are not sufficient to evaluate a Calcipotriene and Betamethasone Dipropionate Ointment-associated or calcipotriene-associated risk for major birth defects, miscarriages, or adverse maternal or fetal outcomes. Observational studies suggest an increased risk of having low birthweight infants with the maternal use of potent or very potent topical corticosteroids ( see Data ). Advise pregnant women that Calcipotriene and Betamethasone Dipropionate Ointment may increase the potential risk of having a low birth weight infant and to use Calcipotriene and Betamethasone Dipropionate Ointment on the smallest area of skin and for the shortest duration possible. In animal reproduction studies, oral administration of calcipotriene to pregnant rats during the period of organogenesis resulted in an increased incidence of minor skeletal abnormalities, including enlarged fontanelles and extra ribs ( see Data ). Oral administration of calcipotriene to pregnant rabbits during the period of organogenesis had no apparent effects on embryo-fetal development. Subcutaneous administration of betamethasone dipropionate to pregnant rats and rabbits during the period of organogenesis resulted in fetal toxicity, including fetal deaths, reduced fetal weight, and fetal malformations (cleft palate and crooked or short tail) ( see Data ). The available data do not allow the calculation of relevant comparisons between the systemic exposures of calcipotriene and betamethasone diproprionate observed in animal studies to the systemic exposures that would be expected in humans after topical use of calcipotriene and betamethasone dipropionate ointment. The estimated background risk of major birth defects and miscarriage of the indicated population is unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Human Data Available observational studies in pregnant women did not identify a drug-associated risk of major birth defects, preterm delivery, or fetal mortality with the use of topical corticosteroids of any potency. However, when the dispensed amount of potent or very potent topical corticosteroids exceeded 300 g during the entire pregnancy, maternal use was associated with an increased risk of low birth weight in infants. Animal Data Embryo-fetal development studies with calcipotriene were performed by the oral route in rats and rabbits. Pregnant rats received dosages of 0, 6, 18, or 54 mcg/kg/day (0, 36, 108, and 324 mcg/m 2 /day, respectively) on days 6-15 of gestation (the period of organogenesis). There were no apparent effects on maternal survival, behavior, or body weight gain, no effects on litter parameters, and no effects on the incidence of major malformations in fetuses. Fetuses from dams dosed at 54 mcg/kg/day exhibited a significantly increased incidence of minor skeletal abnormalities, including enlarged fontanelles and extra ribs. Pregnant rabbits were dosed daily with calcipotriene at exposures of 0, 4, 12, or 36 mcg/kg/day (0, 48, 144, and 432 mcg/m 2 /day, respectively) on days 6-18 of gestation (the period of organogenesis). Mean maternal body weight gain was reduced in animals dosed at 12 or 36 mcg/kg/day. The incidence of fetal deaths was increased in the group dosed at 36 mcg/kg/day; reduced fetal weight was also observed in this group. The incidence of major malformations among fetuses was not affected. An increase in the incidence of minor skeletal abnormalities, including incomplete ossification of sternebrae, pubic bones, and forelimb phalanges, was observed in the group dosed at 36 mcg/kg/day. Embryo-fetal development stu …

12.1 Mechanism of Action Calcipotriene and Betamethasone Dipropionate Ointment combines the pharmacological effects of calcipotriene hydrate as a synthetic vitamin D 3 analogue and betamethasone dipropionate as a synthetic corticosteroid. However, while their pharmacologic and clinical effects are known, the exact mechanisms of their actions in plaque psoriasis are unknown.

11 DESCRIPTION Calcipotriene and Betamethasone Dipropionate Ointment, 0.005%/0.064% contains calcipotriene hydrate and betamethasone dipropionate. It is intended for topical use only. Calcipotriene hydrate is a synthetic vitamin D 3 analogue. Chemically, calcipotriene hydrate is (5Z,7E,22E,24S)-24-cyclopropyl-9,10-secochola-5,7,10(19),22-tetraene-1(alpha),3(beta),24-triol,hydrate, with the empirical formula C 27 H 40 O 3 ,H 2 O, a molecular weight of 430.6, and the following structural formula: Calcipotriene hydrate is a white to almost white crystalline compound. Betamethasone dipropionate is a synthetic corticosteroid. Betamethasone dipropionate has the chemical name 9-fluoro-11(beta), 17,21-trihydroxy-16(beta)-methylpregna-1,4-diene-3,20-dione17,21-dipropionate, with the empirical formula C 28 H 37 FO 7 , a molecular weight of 504.6, and the following structural formula: Betamethasone dipropionate is a white to almost white odorless powder. Each gram of Calcipotriene and Betamethasone Dipropionate Ointment contains 52.18 mcg of calcipotriene hydrate (equivalent to 50 mcg of calcipotriene) and 0.643 mg of betamethasone dipropionate (equivalent to 0.5 mg of betamethasone) in an off-white to yellow paraffin ointment base of butylhydroxytoluene, mineral oil, polyoxypropylene stearyl ether, all-rac-alpha-tocopherol, and white petrolatum. Chemical Structure Chemical Structure

10 OVERDOSAGE Topically applied Calcipotriene and Betamethasone Dipropionate Ointment can be absorbed in sufficient amounts to produce systemic effects [ see Warnings and Precautions (5.1, 5.2) ].

16 HOW SUPPLIED/STORAGE AND HANDLING 16.1 How Supplied Calcipotriene and Betamethasone Dipropionate Ointment, 0.005%/0.064% is off-white to yellow in color, available in collapsible tubes of: NDC: 72162-1428-6: 60 g in a TUBE NDC: 72162-1428-1: 100 g in a TUBE 16.2 Storage Store Calcipotriene and Betamethasone Dipropionate Ointment, 0.005%/0.064% between 20°C-25°C (68°F-77°F); excursions permitted between 15°C-30°C (59°F-86°F). [see USP Controlled Room Temperature]. 16.3 Handling Keep out of reach of children. Repackaged/Relabeled by: Bryant Ranch Prepack, Inc. Burbank, CA 91504