Escitalopram

1 INDICATIONS AND USAGE Escitalopram is indicated for the treatment of: major depressive disorder (MDD) in adults and pediatric patients 12 years of age and older. generalized anxiety disorder (GAD) in adults. Additional pediatric use information is approved for AbbVie Inc.’s Lexapro (escitalopram) tablets and LEXAPRO (escitalopram) oral solution. However, due to AbbVie Inc.’s marketing exclusivity rights, this drug product is not labeled with that information. Escitalopram is a selective serotonin reuptake inhibitor (SSRI) indicated for the: treatment of major depressive disorder (MDD) in adults and pediatric patients 12 years of age and older ( 1 ) treatment of generalized anxiety disorder (GAD) in adults ( 1 )

2 DOSAGE AND ADMINISTRATION Indication and Population Recommended Dosage MDD in Adults ( 2.1 ) Initial: 10 mg once daily Recommended: 10 mg once daily Maximum: 20 mg once daily MDD in Pediatric Patients 12 years and older ( 2.1 ) Initial: 10 mg once daily Recommended: 10 mg once daily Maximum: 20 mg once daily GAD in Adults ( 2.2 ) Initial: 10 mg once daily Recommended: 10 mg once daily Maximum: 20 mg once daily No additional benefits were seen at 20 mg once daily ( 2.1 ) Administer once daily, morning or evening, with or without food ( 2.3 ) Elderly patients: recommended dosage is 10 mg once daily ( 2.4 ) Hepatic impairment: recommended dosage is 10 mg once daily ( 2.4 , 8.6 ) When discontinuing escitalopram, reduce dose gradually whenever possible ( 2.5 ) 2.1 Major Depressive Disorder Adults The recommended dosage of escitalopram in adults is 10 mg once daily. A fixed-dose trial of escitalopram demonstrated the effectiveness of both 10 mg and 20 mg of escitalopram, but failed to demonstrate a greater benefit of 20 mg over 10 mg [ see Clinical Studies (14.1) ]. Depending on clinical response and tolerability, dosage may be increased to the maximum recommended dosage of 20 mg once daily at an interval of no less than 1 week. Pediatric Patients 12 years of age and older The recommended dosage of escitalopram in pediatric patients 12 years of age and older is 10 mg once daily. Depending on clinical response and tolerability, dosage may be increased to the maximum recommended dosage of 20 mg once daily at an interval of no less than 3 weeks. 2.2 Generalized Anxiety Disorder Adults The recommended starting dosage of escitalopram in adults is 10 mg once daily. Depending on clinical response and tolerability, dosage may be increased to the maximum recommended dosage of 20 mg once daily at an interval of no less than 1 week. Additional pediatric use information is approved for AbbVie Inc.’s Lexapro (escitalopram) tablets and LEXAPRO (escitalopram) oral solution. However, due to AbbVie Inc.’s marketing exclusivity rights, this drug product is not labeled with that information. 2.3 Administration Information Administer escitalopram orally once daily, in the morning or evening, with or without food. 2.4 Screen for Bipolar Disorder Prior to Starting Escitalopram Prior to initiating treatment with escitalopram or another antidepressant, screen patients for a personal family history of bipolar disorder, mania, or hypomania [ see Warnings and Precautions (5.5) ]. 2.5 Recommended Dosage for Specific Populations The recommended dosage for most elderly patients and patients with hepatic impairment is 10 mg once daily [ see Use in Specific Populations ( 8.5 , 8.6 ) ]. The recommended dosage for escitalopram in adults with a creatinine clearance less than 20 mL/minute has not been determined. No dosage adjustment is necessary for patients with mild or moderate renal impairment [ see Use in Specific Populations (8.7) ] . 2.6 Discontinuation of Treatment with Escitalopram Symptoms associated with discontinuation of escitalopram and other SSRIs and SNRIs have been reported [ see Warnings and Precautions (5.3) ]. Patients should be monitored for these symptoms when discontinuing treatment. A gradual reduction in the dose rather than abrupt cessation is recommended whenever possible. If intolerable symptoms occur following a decrease in the dose or upon discontinuation of treatment, then resuming the previously prescribed dose may be considered. Subsequently, the physician may continue decreasing the dose but at a more gradual rate. 2.7 Switching Patients to or from a Monoamine Oxidase Inhibitor (MAOI) Antidepressant At least 14 days should elapse between discontinuation of an MAOI intended to treat psychiatric disorders and initiation of therapy with escitalopram. Conversely, at least 14 days should be allowed after stopping escitalopram before starting an MAOI intended to treat psychiatric disorders [ see Contraindications (4) ].

6 ADVERSE REACTIONS The following adverse reactions are discussed in greater detail in other sections of the labeling: Suicidal thoughts and behaviors in adolescents and young adults [ see Warnings and Precautions (5.1) ] Serotonin syndrome [ see Warnings and Precautions(5.2) ] Discontinuation syndrome [ see Warnings and Precautions(5.3) ] Seizures [ see Warnings and Precautions (5.4) ] Activation of mania or hypomania [ see Warnings and Precautions (5.5) ] Hyponatremia [ see Warnings and Precautions (5.6) ] Increased Risk of Bleeding [ see Warnings and Precautions (5.7) ] Interference with Cognitive and Motor Performance [ see Warnings and Precautions (5.8) ] Angle-closure glaucoma [ see Warnings and Precautions (5.9) ] Use in Patients with Concomitant Illness [ see Warnings and Precautions (5.10) ] Sexual Dysfunction [ see Warnings and Precautions (5.11) ] Most commonly observed adverse reactions (incidence ≥ 5% and at least twice the incidence of placebo patients) are: insomnia, ejaculation disorder (primarily ejaculatory delay), nausea, sweating increased, fatigue and somnolence, decreased libido, and anorgasmia ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Chartwell RX, LLC. at 1-845-232-1683, or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience 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 Trial Data Sources Adults Adverse reactions information for escitalopram was collected from 715 patients with major depressive disorder who were exposed to escitalopram and from 592 patients who were exposed to placebo in double-blind, placebo-controlled trials. An additional 284 patients with major depressive disorder were newly exposed to escitalopram in open-label trials. The adverse reaction information for escitalopram in patients with GAD was collected from 429 patients exposed to escitalopram and from 427 patients exposed to placebo in double-blind, placebo-controlled trials. Adverse reactions during exposure were obtained primarily by general inquiry and recorded by clinical investigators using terminology of their own choosing. Consequently, it is not possible to provide a meaningful estimate of the proportion of individuals experiencing adverse reactions without first grouping similar types of reactions into a smaller number of standardized event categories. In the tables and tabulations that follow, standard World Health Organization (WHO) terminology has been used to classify reported adverse reactions. The stated frequencies of adverse reactions represent the proportion of individuals who experienced, at least once, a treatment emergent adverse event of the type listed. An event was considered treatment-emergent if it occurred for the first time or worsened while receiving therapy following baseline evaluation. Pediatric Patients Adverse reaction information for pediatric patients was collected in double-blind placebo-controlled studies in 576 pediatric patients 6 to 17 years of age, (286 escitalopram, 290 placebo) with major depressive disorder. The safety and effectiveness of escitalopram have not been established in pediatric patients less than 12 years of age with MDD or less than 7 years of age with GAD. Adverse Reactions Associated with Discontinuation of Treatment Major Depressive Disorder Adults Among the 715 depressed patients who received escitalopram in placebo-controlled trials, 6% discontinued treatment due to an adverse event, as compared to 2% of 592 patients receiving placebo. In two fixed-dose studies, the rate of discontinuation for adverse reactions in patients receiving 10 mg/day escitalopram was not significantly different from the rate of discontinuation for adverse reactions in patients receiving placebo. The rate of discontinuation for adverse reactions in patients assigned to a fixed dose of 20 mg/day escitalopram was 10%, which was significantly different from the rate of discontinuation for adverse reactions in patients receiving 10 mg/day escitalopram (4%) and placebo (3%). Adverse reactions that were associated with the discontinuation of at least 1% of patients treated with escitalopram, and for which the rate was at least twice that of placebo, were nausea (2%) and ejaculation disorder (2% of male patients). Pediatric Patients Adverse reactions in pediatric patients 6 to 17 years of age were associated with discontinuation of 3.5% of 286 patients receiving escitalopram and 1% of 290 patients receiving placebo. The most common adverse reaction (incidence at least 1% for escitalopram and greater than placebo) associated with discontinuation was insomnia (1% escitalopram, 0% placebo). The safety and effectiveness of escitalopram have not been established in pediatric patients less than 12 years of age with MDD. G

7 DRUG INTERACTIONS Table 6 presents clinically important drug interactions with escitalopram. TABLE 6 Clinically Important Drug Interactions with Escitalopram Monoamine Oxidase Inhibitors (MAOIs) Clinical Impact: Concomitant use of SSRIs, including escitalopram, and MAOIs increases the risk of serotonin syndrome. Intervention: Escitalopram is contraindicated in patients taking MAOIs, including MAOIs such as linezolid or intravenous methylene blue [ see Dosage and Administration (2.7) , Contraindications (4) , and Warnings and Precautions (5.2) ] Pimozide Clinical Impact: Concomitant use of racemic citalopram with pimozide increases plasma concentrations of pimozide, a drug with a narrow therapeutic index, and may increase the risk of QT prolongation and/or ventricular arrhythmias compared to use of racemic citalopram alone [ see Clinical Pharmacology (12.3) ]. Intervention: Escitalopram is contraindicated in patients taking pimozide [ see Contraindications (4) ]. Other Serotonergic Drugs Clinical Impact: Concomitant use of escitalopram and other serotonergic drugs (including other SSRIs, SNRIs, triptans, tricyclic antidepressants, opioids, lithium, buspirone, amphetamines, tryptophan, and St. John’s Wort) increases the risk of serotonin syndrome. Intervention: Monitor patients for signs and symptoms of serotonin syndrome, particularly during escitalopram initiation and dosage increases. If serotonin syndrome occurs, consider discontinuation of escitalopram and/or concomitant serotonergic drugs [ see Warnings and Precautions(5.2) ] Drugs That Interfere With Hemostasis (NSAIDs, Aspirin, Warfarin, etc.) Clinical Impact: Concomitant use of escitalopram and an antiplatelet or anticoagulant may potentiate the risk of bleeding. Intervention: Inform patients of the increased risk of bleeding associated with the concomitant use of escitalopram and antiplatelet agents and anticoagulants. For patients taking warfarin, carefully monitor the internationalnormalized ratio [ see Warnings and Precautions (5.7) ]. Sumatriptan Clinical Impact: There have been postmarketing reports describing patients with weakness, hyperreflexia, and incoordination following the use of an SSRI and sumatriptan. Intervention: If concomitant treatment with sumatriptan and an SSRI is clinically warranted, appropriate observation of the patient is advised [ see Warnings and Precautions (5.2) ]. Carbamazepine Clinical Impact: Combined administration of racemic citalopram (40 mg/day for 14 days) and carbamazepine (titrated to 400 mg/day for 35 days) did not significantly affect the pharmacokinetics of carbamazepine, a CYP3A4 substrate. Intervention: Although trough citalopram plasma levels were unaffected, given the enzyme-inducing properties of carbamazepine, the possibility that carbamazepine might increase the clearance of escitalopram should be considered if the two drugs are coadministered. Drugs Metabolized by CYP2D6 Clinical Impact: Coadministration of escitalopram (20 mg/day for 21 days) with the tricyclic antidepressant desipramine (single dose of 50 mg), a substrate for CYP2D6, resulted in a 40% increase in C max and a 100% increase in AUC of desipramine. Intervention: The clinical significance of this finding is unknown. Exercise caution during coadministration of escitalopram and drugs metabolized by CYP2D6. Concomitant use with SSRIs, SNRIs or Tryptophan is not recommended ( 7 ) Use caution when concomitant use with drugs that affect Hemostasis (NSAIDs, Aspirin, Warfarin) ( 7 )