Escitalopram Oral

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. Generalized Anxiety Disorder Adults Among the 429 GAD patients who received escitalopram 10 to 20 mg/day in placebo-controlled trials, 8% discontinued treatment due to an adverse event, as compared to 4% of 427 patients receiving placebo. 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 the placebo rate, were nausea (2%), insomnia (1%), and fatigue (1%). Incidence of Adverse Reactions in Placebo-Controlled Clinical Trials Major Depressive Disorder Adults The most commonly observed adverse reactions in escitalopram patients (incidence of approximately 5% or greater and approximately twice the incidence in placebo patients) were insomnia, ejaculation disorder (primarily ejaculatory delay), nausea, sweating increased, fatigue, and somnolence. Table 2 enumerates the incidence, rounded to the nearest percent, of adverse reactions that occurred among 715 depressed patients who received escitalopram at doses ranging from 10 to 20 mg/day in placebo-controlled trials. Reactions included are those occurring in 2% or more of patients treated with escitalopram and for which the incidence in patients treated with escitalopram was greater than the incidence in placebo-treated patients. TABLE 2 Adverse Reactions observed with a frequency of ≥ 2% and greater than placebo for Major Depressive Disorder (Adults) Adverse Reaction Escitalopram Placebo (N=715) % (N=592) % Autonomic Nervous System Disorders Dry Mouth 6% 5% Sweating Increased 5% 2% Central & Peripheral Nervous System Disorders Dizziness 5% 3% Gastrointestinal Disorders Nausea 15% 7% Diarrhea 8% 5% Constipation 3% 1% Indigestion 3% 1% Abdominal Pain 2% 1% General Influenza-like Symptoms 5% 4% Fatigue 5% 2% Psychiatric Disorders Insomnia 9% 4% Somnolence 6% 2% Appetite Decreased 3% 1% Libido Decreased 3% 1% Respiratory System Disorders Rhinitis 5% 4% Sinusitis 3% 2% Urogenital Ejaculation Disorder 1,2 9% <1% Impotence 2 3% <1% Anorgasmia 3 2% <1% 1 Primarily ejaculatory delay. 2 Denominator used was for males only (N=225 escitalopram; N=188 placebo). 3 Denominator used was for females only (N=490 escitalopram; N=404 placebo). Pediatric Patients The overall profile of adverse reactions in pediatric patients 6 to 17 years in major depressive disorder was generally similar to that seen in adult studies, as shown in Table 2. However, the following adverse reactions (excluding those which appear in Table 2 and those for which the coded terms were uninformative or misleading) were reported at an incidence of at least 2% for escitalopram and greater than placebo: back pain, urinary tract infection, vomiting, and nasal congestion. The safety and effectiveness of escitalopram have not been established in pediatric patients less than 12 years of age with MDD. Generalized Anxiety Disorder Adults The most commonly observed adverse reactions in escitalopram patients (incidence of approximately 5% or greater and approximately twice the incidence in placebo patients) were nausea, ejaculation disorder (primarily ejaculatory delay), insomnia, fatigue, decreased libido, and anorgasmia. Table 3 enumerates the incidence, rounded to the nearest percent of treatment-emergent adverse reactions that occurred among 429 GAD patients who received escitalopram 10 to 20 mg/day in placebo-controlled trials. Reactions included are those occurring in 2% or more of patients treated with escitalopram and for which the incidence in patients treated with escitalopram was greater than the incidence in placebo-treated patients. TABLE 3 Adverse Reactions Observed with a Frequency of ≥ 2% and ˃ placebo for Generalized Anxiety Disorder (Adults) Adverse Reactions Escitalopram Placebo (N=429) % (N=427) % Autonomic Nervous System Disorders Dry Mouth 9% 5% Sweating Increased 4% 1% Central & Peripheral Nervous System Disorders Headache 24% 17% Paresthesia 2% 1% Gastrointestinal Disorders Nausea 18% 8% Diarrhea 8% 6% Constipation 5% 4% Indigestion 3% 2% Vomiting 3% 1% Abdominal Pain 2% 1% Flatulence 2% 1% Toothache 2% 0% General Fatigue 8% 2% Influenza-like Symptoms 5% 4% Musculoskeletal System Disorder Neck/Shoulder Pain 3% 1% Psychiatric Disorders Somnolence 13% 7% Insomnia 12% 6% Libido Decreased 7% 2% Dreaming Abnormal 3% 2% Appetite Decreased 3% 1% Lethargy 3% 1% Respiratory System Disorders Yawning 2% 1% Urogenital Ejaculation Disorder 1,2 14% 2% Anorgasmia 3 6% <1% Menstrual Disorder 2% 1% 1 Primarily ejaculatory delay. 2 Denominator used was for males only (N=182 escitalopram; N=195 placebo). 3 Denominator used was for females only (N=247 escitalopram; N=232 placebo). Dose Dependency of Adverse Reactions The potential dose dependency of common adverse reactions (defined as an incidence rate of ≥5% in either the 10 mg or 20 mg escitalopram groups) was examined on the basis of the combined incidence of adverse reactions in two fixed-dose trials. The overall incidence rates of adverse reactions in 10 mg escitalopram-treated patients (66%) was similar to that of the placebo-treated patients (61%), while the incidence rate in 20 mg/day escitalopram-treated patients was greater (86%). Table 4 shows common adverse reactions that occurred in the 20 mg/day escitalopram group with an incidence that was approximately twice that of the 10 mg/day escitalopram group and approximately twice that of the placebo group. TABLE 4 Incidence of Common Adverse Reactions in Patients with Major Depressive Disorder Adverse Reaction Placebo (N=311) 10 mg/day Escitalopram (N=310) 20 mg/day Escitalopram (N=125) Insomnia 4% 7% 14% Diarrhea 5% 6% 14% Dry Mouth 3% 4% 9% Somnolence 1% 4% 9% Dizziness 2% 4% 7% Sweating Increased <1% 3% 8% Constipation 1% 3% 6% Fatigue 2% 2% 6% Indigestion 1% 2% 6% Male and Female Sexual Dysfunction with SSRIs Although changes in sexual desire, sexual performance, and sexual satisfaction often occur as manifestations of a psychiatric disorder, they may also be a consequence of pharmacologic treatment. In particular, some evidence suggests that SSRIs can cause such untoward sexual experiences. Reliable estimates of the incidence and severity of untoward experiences involving sexual desire, performance, and satisfaction are difficult to obtain, however, in part because patients and physicians may be reluctant to discuss them. Accordingly, estimates of the incidence of untoward sexual experience and performance cited in product labeling are likely to underestimate their actual incidence. TABLE 5 Incidence of Sexual Side Effects in Placebo-Controlled Clinical Trials Adverse Event Escitalopram Placebo In Males Only (N=407) (N=383) Ejaculation Disorder (primarily ejaculatory delay) 12% 1% Libido Decreased 6% 2% Impotence 2% <1% In Females Only (N=737) (N=636) Libido Decreased 3% 1% Anorgasmia 3% <1% There are no adequately designed studies examining sexual dysfunction with escitalopram treatment. Priapism has been reported with all SSRIs. While it is difficult to know the precise risk of sexual dysfunction associated with the use of SSRIs, physicians should routinely inquire about such possible side effects. Vital Sign Changes Escitalopram and placebo groups were compared with respect to (1) mean change from baseline in vital signs (pulse, systolic blood pressure, and diastolic blood pressure) and (2) the incidence of patients meeting criteria for potentially clinically significant changes from baseline in these variables. These analyses did not reveal any clinically important changes in vital signs associated with escitalopram treatment. In addition, a comparison of supine and standing vital sign measures in subjects receiving escitalopram indicated that escitalopram treatment is not associated with orthostatic changes. Weight Changes Patients treated with escitalopram in controlled trials did not differ from placebo-treated patients with regard to clinically important change in body weight. Laboratory Changes Escitalopram and placebo groups were compared with respect to (1) mean change from baseline in various serum chemistry, hematology, and urinalysis variables, and (2) the incidence of patients meeting criteria for potentially clinically significant changes from baseline in these variables. These analyses revealed no clinically important changes in laboratory test parameters associated with escitalopram treatment. ECG Changes Electrocardiograms from escitalopram (N=625) and placebo (N=527) groups were compared with respect to outliers defined as subjects with QTc changes over 60 msec from baseline or absolute values over 500 msec post-dose, and subjects with heart rate increases to over 100 bpm or decreases to less than 50 bpm with a 25% change from baseline (tachycardic or bradycardic outliers, respectively). None of the patients in the escitalopram group had a QTcF interval >500 msec or a prolongation >60 msec compared to 0.2% of patients in the placebo group. The incidence of tachycardic outliers was 0.2% in the escitalopram and the placebo group. The incidence of bradycardic outliers was 0.5% in the escitalopram group and 0.2% in the placebo group. QTcF interval was evaluated in a randomized, placebo and active (moxifloxacin 400 mg) controlled cross-over, escalating multiple dose study in 113 healthy subjects. The maximum mean (95% upper confidence bound) difference from placebo arm were 4.5 (6.4) and 10.7 (12.7) msec for 10 mg and supratherapeutic 30 mg escitalopram given once daily, respectively. Based on the established exposure-response relationship, the predicted QTcF change from placebo arm (95% confidence interval) under the C max for the dose of 20 mg is 6.6 (7.9) msec. Escitalopram 30 mg given once daily resulted in mean C max of 1.7-fold higher than the mean C max for the maximum recommended therapeutic dose at steady state (20 mg). The exposure under supratherapeutic 30 mg dose is similar to the steady state concentrations expected in CYP2C19 poor metabolizers following a therapeutic dose of 20 mg. Other Reactions Observed During the Premarketing Evaluation of Escitalopram Following is a list of treatment-emergent adverse reactions, as defined in the introduction to the ADVERSE REACTIONS section, reported by the 1428 patients treated with escitalopram for periods of up to one year in double-blind or open-label clinical trials during its premarketing evaluation. The listing does not include those reactions already listed in Tables 2 & 3 , those reactions for which a drug cause was remote and at a rate less than 1% or lower than placebo, those reactions which were so general as to be uninformative, and those reactions reported only once which did not have a substantial probability of being acutely life threatening. Reactions are categorized by body system. Reactions of major clinical importance are described in the Warnings and Precautions section (5) . Cardiovascular : hypertension, palpitation. Central and Peripheral Nervous System Disorders : light-headed feeling, migraine. Gastrointestinal Disorders : abdominal cramp, heartburn, gastroenteritis. General : allergy, chest pain, fever, hot flushes, pain in limb. Metabolic and Nutritional Disorders : increased weight. Musculoskeletal System Disorders : arthralgia, myalgia jaw stiffness. Psychiatric Disorders : appetite increased, concentration impaired, irritability. Reproductive Disorders/Female : menstrual cramps, menstrual disorder. Respiratory System Disorders : bronchitis, coughing, nasal congestion, sinus congestion, sinus headache. Skin and Appendages Disorders : rash. Special Senses : vision blurred, tinnitus. Urinary System Disorders : urinary frequency, urinary tract infection. 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. 6.2 Post-Marketing Experience Adverse Reactions Reported Subsequent to the Marketing of Escitalopram The following adverse reactions have been identified during post-approval use of escitalopram. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Blood and Lymphatic System Disorders : anemia, agranulocytis, aplastic anemia, hemolytic anemia, idiopathic thrombocytopenia purpura, leukopenia, thrombocytopenia. Cardiac Disorders : atrial fibrillation, bradycardia, cardiac failure, myocardial infarction, tachycardia, torsade de pointes, ventricular arrhythmia, ventricular tachycardia. Ear and labyrinth disorders : vertigo. Endocrine Disorders : diabetes mellitus, hyperprolactinemia, SIADH. Eye Disorders : angle closure glaucoma, diplopia, mydriasis, visual disturbance. Gastrointestinal Disorder : dysphagia, gastrointestinal hemorrhage, gastroesophageal reflux, pancreatitis, rectal hemorrhage. General Disorders and Administration Site Conditions : abnormal gait, asthenia, edema, fall, feeling abnormal, malaise. Hepatobiliary Disorders : fulminant hepatitis, hepatic failure, hepatic necrosis, hepatitis. Immune System Disorders : allergic reaction, anaphylaxis. Investigations : bilirubin increased, decreased weight, electrocardiogram QT prolongation, hepatic enzymes increased, hypercholesterolemia, INR increased, prothrombin decreased. Metabolism and Nutrition Disorders : hyperglycemia, hypoglycemia, hypokalemia, hyponatremia. Musculoskeletal and Connective Tissue Disorders : muscle cramp, muscle stiffness, muscle weakness, rhabdomyolysis. Nervous System Disorders : akathisia, amnesia, ataxia, choreoathetosis, cerebrovascular accident, dysarthria, dyskinesia, dystonia, extrapyramidal disorders, grand mal seizures (or convulsions), hypoaesthesia, myoclonus, nystagmus, Parkinsonism, restless legs, seizures, syncope, tardive dyskinesia, tremor. Pregnancy, Puerperium and Perinatal Conditions : spontaneous abortion. Psychiatric Disorders : acute psychosis, aggression, agitation, anger, anxiety, apathy, completed suicide, confusion, depersonalization, depression aggravated, delirium, delusion, disorientation, feeling unreal, hallucinations (visual and auditory), mood swings, nervousness, nightmare, panic reaction, paranoia, restlessness, self-harm or thoughts of self-harm, suicide attempt, suicidal ideation, suicidal tendency. Renal and Urinary Disorders : acute renal failure, dysuria, urinary retention. Reproductive System and Breast Disorders : menorrhagia, priapism. Respiratory, Thoracic and Mediastinal Disorders : anosmia, dyspnea, epistaxis, pulmonary embolism, hyposmia, pulmonary hypertension of the newborn. Skin and Subcutaneous Tissue Disorders : alopecia, angioedema, dermatitis, drug reaction with eosinophilia and systemic symptoms (DRESS),ecchymosis, erythema multiforme, photosensitivity reaction, Stevens Johnson Syndrome, toxic epidermal necrolysis, urticaria. Vascular Disorders : deep vein thrombosis, flushing, hypertensive crisis, hypotension, orthostatic hypotension, phlebitis, thrombosis.