ALTRENO

ALTRENO (tretinoin) lotion is an opaque, pale yellow lotion containing 0.05% tretinoin by weight for topical administration. Chemically, tretinoin is all-trans-retinoic acid, also known as (all-E)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic acid. It is a member of the retinoid class of compounds and a metabolite of vitamin A. Tretinoin has the following chemical structure: Molecular Formula: C 20 H 28 O 2 Molecular Weight: 300.44 Each gram of ALTRENO contains 0.5 mg (0.05%) of tretinoin in an opaque, pale yellow lotion base consisting of benzyl alcohol, butylated hydroxytoluene, carbomer copolymer type B (Pemulen TR-1), carbomer homopolymer type A (Carbopol 981), glycerin, methylparaben, mineral oil, octoxynol-9, purified water, sodium hyaluronate, soluble collagen and trolamine. chemstructure.jpg

ALTRENO ® (tretinoin) lotion, 0.05% is indicated for the topical treatment of acne vulgaris in patients 9 years of age and older. ALTRENO is a retinoid indicated for the topical treatment of acne vulgaris in patients 9 years of age and older. (1)

Apply a thin layer of ALTRENO to the affected areas once daily. Avoid the eyes, mouth, paranasal creases, and mucous membranes. ALTRENO is for topical use only. Not for ophthalmic, oral, or intravaginal use. • Apply a thin layer of ALTRENO to affected areas once daily. Avoid eyes, mouth, paranasal creases, and mucous membranes. ( 2 ) • Not for ophthalmic, oral, or intravaginal use. ( 2 )

None. None. ( 4 )

• The most common adverse reactions occurring in ≥1% of subjects and greater than vehicle were dryness, pain, erythema, irritation and exfoliation (all at the application site). ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Bausch Health US, LLC at 1-800-321-4576 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 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 Application site pain defined as application site stinging, burning or pain. 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) 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%