JAN-FEB 2019

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BRIEF SUMMARY OF PRESCRIBING INFORMATION This Brief Summary does not include all the information needed to use ALTRENO safely and effectively. See full prescribing information for ALTRENO. ALTRENO™ (tretinoin) lotion, for topical use Initial U.S. Approval: 1973 INDICATIONS AND USAGE ALTRENO™ (tretinoin) lotion, 0.05% is indicated for the topical treatment of acne vulgaris in patients 9 years of age and older. CONTRAINDICATIONS None. WARNINGS AND PRECAUTIONS Skin Irritation Patients using ALTRENO may experience application site dryness, pain, erythema, irritation, and exfoliation. Depending upon the severity of these adverse reactions, instruct patients to use a moisturizer, reduce the frequency of the application of ALTRENO, or discontinue use. Avoid application of ALTRENO to eczematous or sunburned skin. Ultraviolet Light and Environmental Exposure Minimize unprotected exposure to ultraviolet light including sunlight and sunlamps during the use of ALTRENO. Warn patients who normally experience high levels of sun exposure and those with inherent sensitivity to sun to exercise caution. Use sunscreen products and protective clothing over treated areas when sun exposure cannot be avoided. Fish Allergies ALTRENO contains soluble fish proteins. Use with caution in patients with known sensitivity or allergy to fish. Advise patients to contact their healthcare provider if they develop pruritus or urticaria. ADVERSE REACTIONS Clinical Trials Experience 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 clinical practice. In 2 randomized, double-blind, vehicle-controlled trials, subjects age 9 years and older applied ALTRENO or vehicle once daily for 12 weeks. The majority of subjects were White (74%) and female (55%). Approximately 47% were Hispanic/Latino and 45% were younger than 18 years of age. Adverse reactions reported by ≥1% of subjects treated with ALTRENO and more frequently than vehicle are summarized in Table 1. Table 1: Adverse Reactions Reported by ≥1% of Subjects Treated with ALTRENO and More Frequently than Vehicle Adverse Reactions n (%) ALTRENO N=767 Vehicle N=783 Application site dryness 29 (4) 1 (<1) Application site pain 1 25 (3) 3 (<1) Application site erythema 12 (2) 1 (<1) Application site irritation 7 (1) 1 (<1) Application site exfoliation 6 (1) 3 (<1) 1 Application site pain defined as application site stinging, burning or pain. Skin irritation was evaluated by active assessment of erythema, scaling, hypopigmentation, hyperpigmentation, itching, burning and stinging. The percentage of subjects who were assessed to have these signs and symptoms at any post baseline visit are summarized in Table 2. Table 2: Application Site Tolerability Reactions at Any Post Baseline Visit ALTRENO N=760 Mild/Mod/Severe Vehicle N=782 Mild/Mod/Severe Erythema 51% 44% Scaling 49% 30% Hypopigmentation 12% 10% Hyperpigmentation 35% 35% Itching 35% 28% Burning 30% 14% Stinging 21% 8% USE IN SPECIFIC POPULATIONS Pregnancy Risk Summary Available data from published observational studies of topical tretinoin in pregnant women have not established a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. There are no data on ALTRENO use in pregnant women. The systemic levels following topical administration are lower than with administration of oral tretinoin; however, absorption of this product may result in fetal exposure. There are reports of major birth defects similar to those seen in infants exposed to oral retinoids, but these case reports do not establish a pattern or association with tretinoin-related embryopathy (see Data). Animal reproduction studies have not been conducted with ALTRENO. Topical administration of tretinoin in a different formulation to pregnant rats during organogenesis was associated with malformations (craniofacial abnormalities [hydrocephaly], asymmetrical thyroids, variations in ossification, and increased supernumerary ribs) at doses up to 0.5 mg tretinoin/kg/day, approximately 2 times the maximum recommended human dose (MRHD) based on body surface area (BSA) comparison and assuming 100% absorption. Oral administration of tretinoin to pregnant cynomolgus monkeys during organogenesis was associated with malformations at 10 mg/kg/day (approximately 100 times the MRHD based on BSA comparison and assuming 100% absorption) (see Data). The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of major birth defects, loss, and other adverse outcomes. The background risk in the U.S. general population of major birth defects is 2 to 4% and of miscarriage is 15 to 20% of clinically recognized pregnancies. Data Human Data While available studies cannot definitively establish the absence of risk, published data from multiple prospective controlled observational

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