Opipza Drug Information

• OPIPZA is indicated for the: treatment of schizophrenia in patients ages 13 years and older adjunctive treatment of major depressive disorder (MDD) in adults treatment of irritability associated with autistic disorder in pediatric patients 6 years and older treatment of Tourette's disorder in pediatric patients 6 years and older OPIPZA is an atypical antipsychotic indicated for: treatment of schizophrenia in patients ages 13 years and older adjunctive treatment of major depressive disorder (MDD) in adults irritability associated with autistic disorder in pediatric patients 6 years and older treatment of Tourette's disorder in pediatric patients 6 years and older

Adjunctive Treatment of Major Depressive Disorder in Adults

The recommended starting dosage for OPIPZA as adjunctive treatment of MDD in adults already taking an antidepressant is 2 mg to 5 mg once daily. The recommended dosage range is 2 mg to 15 mg once daily. Dosage adjustments of up to 5 mg per day should occur gradually, at intervals of no less than one week.

Patients should be periodically reassessed to determine the continued need for maintenance treatment.

Dosing should be initiated at 2 mg once daily. The dose should be increased to 5 mg per day, with subsequent increases to 10 mg or 15 mg per day if needed.

Tourette's Disorder in Pediatric Patients 6 years and Older

The recommended dosage range for treatment of Tourette's disorder in pediatric patients 6 years and older is 5 mg to 20 mg once daily. The dosage can be increased to 10 mg once daily in patients who do not achieve optimal control of tics.

Important Administration Information

Instruct patients and/or caregivers to read the "Instruction for Use" carefully for complete directions on how to properly dose and administer OPIPZA. Administer OPIPZA orally with or without food. Apply OPIPZA on top of the tongue where it dissolves in saliva and can be swallowed in a normal manner without the need for water or other liquids.

The patient should refrain from chewing the film and should not swallow an undissolved film. Do not cut or split OPIPZA. Administer only one oral film at a time.

If an additional film is needed to complete the dosage, administer after the previous film has completely dissolved.

Dosage Recommendations and Modifications for Cytochrome P450 Considerations Dosage recommendations and modifications for patients who are known CYP2D6 poor metabolizers and/or in patients taking concomitant CYP3A4 inhibitors, CYP2D6 inhibitors, or strong CYP3A4 inducers are described in Table 1. When the coadministered drug is withdrawn from the combination therapy, Aripiprazole Oral Film dosage should be adjusted to its previous dose. When the coadministered CYP3A4 inducer is withdrawn, Aripiprazole Oral Film dosage should be reduced to the previous dose over 1 to 2 weeks.

Patients receiving a combination of strong, moderate, and weak inhibitors of CYP3A4 and CYP2D6 (e.g., a strong CYP3A4 inhibitor and a moderate CYP2D6 inhibitor or a moderate CYP3A4 inhibitor with a moderate CYP2D6 inhibitor), the dosing may be reduced to one-quarter (25%) of the recommended dose initially and then adjusted to achieve clinical response. Table 1: Dosage Recommendations and Modifications for OPIPZA in Patients Who are Known CYP2D6 Poor Metabolizers and in Patients Taking Concomitant CYP2D6 Inhibitors and/or 3A4 Inhibitors, CYP3A4 Inducers When adjunctive OPIPZA is administered to patients with major depressive disorder, OPIPZA should be administered without dosage adjustment as specified in Dosage and Administration.

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 practice. The safety of OPIPZA for the treatment of adults with schizophrenia in patients 13 years and older, adjunctive treatment of adults with MDD, treatment of irritability associated with autistic disorder in pediatric patients 6 years and older, and treatment of Tourette's disorder in pediatric patients 6 years and older is based on adequate and well-controlled studies of another oral aripiprazole product. Below is a display of adverse reactions of oral aripiprazole (referred to as "aripiprazole" in this section) from those adequate and well-controlled studies.

Aripiprazole has been evaluated for safety in 13,543 adult patients who participated in multiple-dose, clinical trials in schizophrenia, major depressive disorder, and other indications, and who had approximately 7,619 patient-years of exposure to oral aripiprazole. A total of 3,390 patients were treated with oral aripiprazole for at least 180 days and 1,933 patients treated with oral aripiprazole had at least one year of exposure. Aripiprazole has been evaluated for safety in 1,686 pediatric patients (6 to 18 years) who participated in multiple-dose, clinical trials in schizophrenia, autistic disorder, Tourette's disorder or other indications who had approximately 1,342 patient-years of exposure to oral aripiprazole.

A total of 959 pediatric patients were treated with oral aripiprazole for at least 180 days and 556 pediatric patients treated with oral aripiprazole had at least one year of exposure. The conditions and duration of treatment with aripiprazole (monotherapy and adjunctive therapy with antidepressants or mood stabilizers) included (in overlapping categories) double-blind, comparative and noncomparative open-label studies, inpatient and outpatient studies, fixed- and flexible-dose studies, and short- and longer-term exposure. The most common adverse reactions of aripiprazole in adult patients in clinical trials (≥10%) were nausea, vomiting, constipation, headache, dizziness, akathisia, anxiety, insomnia, and restlessness.

The most common adverse reactions of aripiprazole in the pediatric clinical trials (≥10%) were somnolence, headache, vomiting, extrapyramidal disorder, fatigue, increased appetite, insomnia, nausea, nasopharyngitis, and weight increased. Adverse Reactions in Adult Patients with Schizophrenia The following findings are based on a pool of five placebo-controlled trials (four 4 week and one 6 week) in which oral aripiprazole was administered in doses ranging from 2 mg/day to 30 mg/day. The commonly observed adverse reaction associated with the use of aripiprazole in patients with schizophrenia (incidence of 5% or greater and aripiprazole incidence at least twice that for placebo) was akathisia (aripiprazole 8%; placebo 4%).

Table 13 enumerates the pooled incidence, rounded to the nearest percent, of adverse reactions that occurred during acute therapy (up to 6 weeks in schizophrenia and up to 3 weeks in another indication), including only those reactions that occurred in 2% or more of patients treated with aripiprazole (doses ≥2 mg/day) and for which the incidence in patients treated with aripiprazole was greater than the incidence in patients treated with placebo in the combined dataset. Table 13: Adverse Reactions in Short-Term, Placebo-Controlled Trials in Adult Patients Treated with Oral Aripiprazole 3 2 An examination of population subgroups did not reveal any clear evidence of differential adverse reaction incidence on the basis of age, gender, or race. Adverse Reactions in Pediatric Patients (13 to 17 years) with Schizophrenia The following findings are based on one 6-week, placebo-controlled trial in which oral aripiprazole was administered in doses ranging from 2 to 30 mg/day.

Commonly observed adverse reactions associated with the use of aripiprazole in pediatric patients 13 to 17 years with schizophrenia (incidence of 5% or greater and aripiprazole incidence at least twice that for placebo) were extrapyramidal disorder, somnolence, and tremor. Commonly observed adverse reactions associated with the use of aripiprazole in pediatric patients (6 to 17 years) with autistic disorder (incidence of 5% or greater and aripiprazole incidence at least twice that for placebo) are shown in Table 14. Table 16: Adverse Reactions in Short-Term, Placebo-Controlled Trials of Pediatric Patients 6 to 2 1 Adverse Reactions in Adult Patients Receiving Aripiprazole as Adjunctive Treatment of Major Depressive Disorder The following findings are based on a pool of two placebo-controlled trials of patients with major depressive disorder in which aripiprazole was administered at doses of 2 to 20 mg as adjunctive treatment to continued antidepressant therapy.

The incidence of discontinuation due to adverse reactions was 6% for adjunctive aripiprazole-treated patients and 2% for adjunctive placebo-treated patients. The commonly observed adverse reactions associated with the use of adjunctive aripiprazole in patients with major depressive disorder (incidence of 5% or greater and aripiprazole incidence at least twice that for placebo) were: akathisia, restlessness, insomnia, constipation, fatigue, and blurred vision. Table 17: Adverse Reactions in Short-Term, Placebo-Controlled Adjunctive Trials in Patients with Major Depressive Disorder 8 2 Dose-Related Adverse Reactions Schizophrenia Dose response relationships for the incidence of adverse reactions were evaluated from four trials in adult patients with schizophrenia comparing various fixed doses mg/day of oral aripiprazole to placebo.

This analysis, stratified by study, indicated that the adverse reaction to have a possible dose response relationship, and then most prominent only with 30 mg, was somnolence; incidences were placebo, In the study of pediatric patients (13 to 17 years of age) with schizophrenia, three common adverse reactions appeared to have a possible dose response relationship: extrapyramidal disorder incidences were placebo, somnolence incidences were placebo, and tremor incidences were placebo, Autistic Disorder In a study of pediatric patients (6 to 17 years of age) with autistic disorder, one common adverse reaction had a possible dose response relationship: fatigue incidences were placebo, Tourette's Disorder In a study of pediatric patients (7 to 17 years of age) with Tourette's disorder, no common adverse reaction(s) had a dose response relationship. Extrapyramidal Symptoms Schizophrenia In short-term, placebo-controlled trials in schizophrenia in adults, the incidence of reported EPS-related events, excluding events related to akathisia, for aripiprazole-treated patients was 13% vs. 12% for placebo; and the incidence of akathisiarelated events for aripiprazole-treated patients was 8% vs. 4% for placebo. Objectively collected data from those trials was collected on the Simpson Angus Rating Scale (for EPS), the Barnes Akathisia Scale (for akathisia), and the Assessments of Involuntary Movement Scales (for dyskinesias).

In the adult schizophrenia trials, the objectively collected data did not show a difference between aripiprazole and placebo, with the exception of the Barnes Akathisia Scale (aripiprazole, 0.08; placebo, –0.05). In the pediatric (13 to 17 years) schizophrenia trial, the objectively collected data did not show a difference between aripiprazole and placebo, with the exception of the Simpson Angus Rating Scale (aripiprazole, 0.24; placebo, –0.29). Similarly, in a long-term (26 week), placebo-controlled trial of schizophrenia in adults, objectively collected data on the Simpson Angus Rating Scale (for EPS), the Barnes Akathisia Scale (for akathisia), and the Assessments of Involuntary Movement Scales (for dyskinesias) did not show a difference between aripiprazole and placebo.

Major Depressive Disorder In the short-term, placebo-controlled trials in major depressive disorder, the incidence of reported EPS-related events, excluding events related to akathisia, for adjunctive aripiprazole- treated patients was 8% vs. 5% for adjunctive placebotreated patients; and the incidence of akathisia-related events for adjunctive aripiprazole-treated patients was 25% vs. 4% for adjunctive placebo-treated patients. In the major depressive disorder trials, the Simpson Angus Rating Scale and the Barnes Akathisia Scale showed a significant difference between adjunctive aripiprazole and adjunctive placebo (aripiprazole, 0.31; placebo, 0.03 and aripiprazole, 0.22; placebo, 0.02). Changes in the Assessments of Involuntary Movement Scales were similar for the adjunctive aripiprazole and adjunctive placebo groups.

Autistic Disorder In the short-term, placebo-controlled trials in autistic disorder in pediatric patients (6 to 17 years), the incidence of reported EPS-related events, excluding events related to akathisia, for aripiprazole-treated patients was 18% vs. 2% for placebo and the incidence of akathisia-related events for aripiprazole-treated patients was 3% vs. 9% for placebo. Tourette's Disorder In the short-term, placebo-controlled trials in Tourette's disorder in pediatric patients (6 to 18 years), the incidence of reported EPS-related events, excluding events related to akathisia, for aripiprazole-treated patients was 7% vs. 6% for placebo and the incidence of akathisia-related events for aripiprazole-treated patients was 4% vs. 6% for placebo. In the pediatric (6 to 18 years) short-term Tourette's disorder trials, changes in the Simpson Angus Rating Scale, Barnes Akathisia Scale and Assessments of Involuntary Movement Scale were not clinically meaningfully different for aripiprazole and placebo.

Dystonia Symptoms of dystonia, prolonged abnormal contractions of muscle groups, may occur in susceptible individuals during the first few days of treatment. Dystonic symptoms include spasm of the neck muscles, sometimes progressing to tightness of the throat, swallowing difficulty, difficulty breathing, and/or protrusion of the tongue. While these symptoms can occur at low doses, they occur more frequently and with greater severity with high potency and at higher doses of first generation antipsychotic drugs.

An elevated risk of acute dystonia is observed in males and younger age groups. Additional Findings Observed in Clinical Trials Adverse Reactions in Long-Term, Double-Blind, Placebo-Controlled Trials The adverse reactions reported in a 26-week, double-blind trial comparing oral aripiprazole and placebo in patients with schizophrenia were generally consistent with those reported in the short-term, placebo-controlled trials, except for a higher incidence of tremor. Tremor led to discontinuation (<1%) of aripiprazole.

In addition, in a long-term (52 weeks), active-controlled study, the incidence of tremor was 5% (40/859) for aripiprazole. Other Adverse Reactions Observed During Clinical Trial Evaluation of Aripiprazole Other adverse reactions associated with aripiprazole are presented below. The following listing does not include reactions: 1 already listed in previous tables or elsewhere in labeling, 2 for which a drug cause was remote, 3 which were so general as to be uninformative, 4 which were not considered to have significant clinical implications, or 5 which occurred at a rate equal to or less than placebo.

Reactions are categorized by body system according to the following definitions: frequent adverse reactions are those occurring in at least 1/100 patients; infrequent adverse reactions are those occurring in 1/100 to 1/1,000 patients; rare reactions are those occurring in fewer than 1/1,000 patients: Adults - Oral Administration Blood and Lymphatic System Disorders: rare - thrombocytopenia Cardiac Disorders: infrequent – bradycardia, palpitations, rare – atrial flutter, cardio-respiratory arrest, atrioventricular block, atrial fibrillation, angina pectoris, myocardial ischemia, myocardial infarction, cardiopulmonary failure Eye Disorders: infrequent – photophobia; rare - diplopia Gastrointestinal Disorders: infrequent - gastroesophageal reflux disease General Disorders and Administration Site Conditions: frequent - asthenia; infrequent – peripheral edema, chest pain; rare – face edema Hepatobiliary Disorders: rare - hepatitis, jaundice Immune System Disorders: rare - hypersensitivity Injury, Poisoning, and Procedural Complications: infrequent - fall; rare- heat stroke Investigations: frequent - blood prolactin decreased, weight decreased, infrequent - hepatic enzyme increased, blood glucose increased, blood lactate dehydrogenase increased, gamma glutamyl transferase increased; rare - blood prolactin increased, blood urea increased, blood creatinine increased, blood bilirubin increased, electrocardiogram QT prolonged, glycosylated hemoglobin increased Metabolism and Nutrition Disorders: frequent – anorexia; rare - hypokalemia, hyponatremia, hypoglycemia Musculoskeletal and Connective Tissue Disorders: infrequent - muscular weakness, muscle tightness; rare – rhabdomyolysis, mobility decreased Nervous System Disorders: infrequent - parkinsonism, memory impairment, cogwheel rigidity, hypokinesia, bradykinesia; rare – akinesia, myoclonus, coordination abnormal, speech disorder, Grand Mal convulsion; <1/10,000 patients - choreoathetosis Psychiatric Disorders: infrequent – aggression, loss of libido, delirium; rare - libido increased, anorgasmia, tic, homicidal ideation, catatonia, sleep walking Renal and Urinary Disorders: rare - urinary retention, nocturia Reproductive System and Breast Disorders: infrequent - erectile dysfunction; rare - gynaecomastia, menstruation irregular, amenorrhea, breast pain, priapism Respiratory, Thoracic, and Mediastinal Disorders: infrequent - nasal congestion, dyspnea Skin and Subcutaneous Tissue Disorders: infrequent - rash, hyperhidrosis, pruritus, photosensitivity reaction, alopecia; rare - urticaria Vascular Disorders: infrequent – hypotension, hypertension Pediatric Patients - Oral Administration Most adverse reactions observed in the pooled database of 1,686 pediatric patients, aged 6 to 18 years, were also observed in the adult population. Additional adverse reactions observed in the pediatric population are listed below. Eye Disorders: infrequent - oculogyric crisis Gastrointestinal Disorders: infrequent - tongue dry, tongue spasm Investigations: frequent - blood insulin increased Nervous System Disorders: infrequent - sleep talking Renal and Urinary Disorders: frequent - enuresis Skin and Subcutaneous Tissue Disorders: infrequent- hirsutism

Postmarketing Experience

The following adverse reactions have been identified during post-approval use of aripiprazole. 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: occurrences of allergic reaction (anaphylactic reaction, angioedema, laryngospasm, pruritus/urticaria, or oropharyngeal spasm), blood glucose fluctuation, Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS), hiccups, oculogyric crisis, and pathological gambling.

Drugs Having Clinically Important Interactions with OPIPZA Table 18 includes clinically important drug interactions with OPIPZA. Table 18: Clinically Important Drug Interactions with OPIPZA Strong CYP3A4 Inhibitors AND/OR Strong CYP2D6 Inhibitors Clinical Rationale Concomitant use of aripiprazole with strong CYP3A4 and/or CYP2D6 inhibitors increased the exposure of aripiprazole. Clinical Recommendation Reduce the dosage of OPIPZA when administered concomitantly with a strong CYP3A4 inhibitor and/or strong CYP2D6 inhibitor.

Strong CYP3A4 Inducers Clinical Rationale Concomitant use of aripiprazole and carbamazepine decreased the exposure of aripiprazole. Clinical Recommendation Consider increasing the dosage of OPIPZA when administered concomitantly with a strong CYP3A4 inducer. Antihypertensive Drugs Clinical Rationale Due to its alpha-adrenergic antagonism, aripiprazole has the potential to enhance the effect of certain antihypertensive agents.

Clinical Recommendation Monitor blood pressure and adjust dose accordingly. Benzodiazepines Clinical Rationale The intensity of sedation was greater with the combination of oral aripiprazole and lorazepam as compared to that observed with aripiprazole alone. The orthostatic hypotension observed was greater with the combination as compared to that observed with lorazepam alone.

Clinical Recommendation Monitor sedation and blood pressure. Adjust dose accordingly.

Drugs Having No Clinically Important Interactions with OPIPZA Based on pharmacokinetic studies, no dosage adjustment of aripiprazole is required when administered concomitantly with famotidine, valproate, lithium, lorazepam. In addition, no dosage adjustment is necessary for substrates of CYP2D6, CYP2C9, CYP2C19, or CYP3A4 when coadministered with OPIPZA. Additionally, no dosage adjustment is necessary for valproate, lithium, lamotrigine, lorazepam, or sertraline when co-administered with OPIPZA.

Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to atypical antipsychotics, including aripiprazole, during pregnancy. Healthcare providers are encouraged to advise patients to register by contacting the National Pregnancy Registry for Atypical Antipsychotics at 1-866-961-2388 or visiting online at http://womensmentalhealth.org/clinical-and-research-programs/pregnancyregistry/. Risk Summary Neonates exposed to antipsychotic drugs, including OPIPZA, during the third trimester of pregnancy are at risk for extrapyramidal and/or withdrawal symptoms following delivery (see Clinical Considerations ).

Overall available data from published epidemiologic studies of pregnant women exposed to aripiprazole have not established a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes (see Data ). There are risks to the mother associated with untreated schizophrenia, or major depressive disorder, and with exposure to antipsychotics, including OPIPZA during pregnancy (see Clinical Considerations ). In animal reproduction studies, oral and intravenous aripiprazole administration during organogenesis in rats and/or rabbits at doses 10 and 19 times, respectively, the maximum recommended human dose (MRHD) of 30 mg/day based on mg/m 2 body surface area, produced fetal death, decreased fetal weight, undescended testicles, delayed skeletal ossification, skeletal abnormalities, and diaphragmatic hernia.

Oral and intravenous aripiprazole administration during the pre- and post-natal period in rats at doses 10 times the MRHD based on mg/m 2 body surface area, produced prolonged gestation, stillbirths, decreased pup weight, and decreased pup survival (see Data ). The background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes.

Clinical Considerations Disease-associated maternal and/or embryo/fetal risk There is a risk to the mother from untreated schizophrenia, including increased risk of relapse, hospitalization, and suicide. Schizophrenia is associated with increased adverse perinatal outcomes, including preterm birth. It is not known if this is a direct result of the illness or other comorbid factors.

A prospective, longitudinal study followed 201 pregnant women with a history of major depressive disorder who were euthymic and taking antidepressants at the beginning of pregnancy. The women who discontinued antidepressants during pregnancy were more likely to experience a relapse of major depression than women who continued antidepressants. Consider the risk of untreated depression when discontinuing or changing treatment with antidepressant medication during pregnancy and postpartum.

Fetal/Neonatal Adverse Reactions Extrapyramidal and/or withdrawal symptoms, including agitation, hypertonia, hypotonia, tremor, somnolence, respiratory distress, and feeding disorder have been reported in neonates who were exposed to antipsychotic drugs (including aripiprazole) during the third trimester of pregnancy. These symptoms have varied in severity. Monitor neonates for extrapyramidal and/or withdrawal symptoms and manage symptoms appropriately.

Some neonates recovered within hours or days without specific treatment; others required prolonged hospitalization. Data Human Data Published data from observational studies, birth registries, and case reports on the use of atypical antipsychotics during pregnancy do not report a clear association with antipsychotics and major birth defects. A retrospective study from a Medicaid database of 9,258 women exposed to antipsychotics during pregnancy did not indicate an overall increased risk for major birth defects.

Animal Data In animal studies, aripiprazole demonstrated developmental toxicity, including possible teratogenic effects in rats and rabbits. Delayed skeletal ossification was observed at 3 and 10 times the MRHD. Delivered offspring had increased incidences of hepatodiaphragmatic nodules and diaphragmatic hernia were observed at 10 times the MRHD (the other dose groups were not examined for these findings).

Postnatally, delayed vaginal opening was seen at 3 and 10 times the MRHD. Impaired reproductive performance (decreased fertility rate, corpora lutea, implants, live fetuses, and increased post-implantation loss, likely mediated through effects on female offspring) were observed at 10 times the MRHD; however, there was no evidence to suggest that these developmental effects were secondary to maternal toxicity. Decreased fetal weight and increased incidence of fused sternebrae were observed at 19 and 65 times the MRHD.

An increase in stillbirths and, decreases in pup weight (persisting into adulthood) and survival were also seen at this dose.

Pediatric Use Safety and effectiveness of OPIPZA in pediatric patients with major depressive disorder have not been established. The pharmacokinetics of aripiprazole and dehydro-aripiprazole in pediatric patients 10 to 17 years of age were similar to those in adults after correcting for the differences in body weight. Schizophrenia Safety and effectiveness in pediatric patients with schizophrenia were established in a 6-week, placebo-controlled clinical trial of another oral aripiprazole product in 202 pediatric patients aged 13 to 17 years.

Although maintenance efficacy in pediatric patients has not been systematically evaluated, maintenance efficacy can be extrapolated from adult data along with comparisons of aripiprazole pharmacokinetic parameters in adult and pediatric patients. Irritability Associated with Autistic Disorder Safety and effectiveness in pediatric patients demonstrating irritability associated with autistic disorder were established in two 8 week, placebo-controlled clinical trials of another oral aripiprazole product in 212 pediatric patients aged 6 to 17 years. A maintenance trial was conducted in pediatric patients (6 to 17 years of age) with irritability associated with autistic disorder.

The first phase of this trial was an open-label, flexibly dosed (aripiprazole 2 to 15 mg/day) phase in which patients were stabilized (defined as > 25% improvement on the ABC-I subscale, and a CGI-I rating of "much improved" or "very much improved") on aripiprazole for 12 consecutive weeks. Overall, 85 patients were stabilized and entered the second, 16 week, double-blind phase where they were randomized to either continue aripiprazole treatment or switch to placebo. In this trial, the efficacy of aripiprazole for the maintenance treatment of irritability associated with autistic disorder was not established.

At 40 mg/kg/day, mortality, decreased activity, splayed hind limbs, hunched posture, ataxia, tremors and other CNS signs were observed in both genders. In addition, delayed sexual maturation was observed in males. At all doses and in a dose-dependent manner, impaired memory and learning, increased motor activity, and histopathology changes in the pituitary (atrophy), adrenals (adrenocortical hypertrophy), mammary glands (hyperplasia and increased secretion), and female reproductive organs (vaginal mucification, endometrial atrophy, decrease in ovarian corpora lutea) were observed.

The changes in female reproductive organs were considered secondary to the increase in prolactin serum levels. A No Observed Adverse Effect Level (NOAEL) could not be determined and, at the lowest tested dose of 10 mg/kg/day, there is no safety margin relative to the systemic exposures (AUC 0-24 ) for aripiprazole or its major active metabolite in adolescents at the maximum recommended pediatric dose of 15 mg/day. All drug-related effects were reversible after a 2 month recovery period, and most of the drug effects in juvenile rats were also observed in adult rats from previously conducted studies.

Mean body weight and weight gain were decreased up to 18% in females in all drug groups relative to control values.

OPIPZA is contraindicated in patients with a history of a hypersensitivity to aripiprazole. Hypersensitivity reactions ranging from pruritus/urticaria to anaphylaxis have been reported in patients receiving aripiprazole. Known hypersensitivity to aripiprazole

Human Experience In clinical trials and in postmarketing experience, adverse reactions of deliberate or accidental overdosage with oral aripiprazole have been reported worldwide. These include overdoses with oral aripiprazole alone and in combination with other substances. No fatality was reported with aripiprazole alone.

The largest known dose with a known outcome involved acute ingestion of 1,260 mg of oral aripiprazole (42 times the maximum recommended daily dose) by a patient who fully recovered. Deliberate or accidental overdosage was also reported in patients age 12 years and younger involving oral aripiprazole ingestions up to 195 mg (6.5 times the maximum recommended daily dose) with no fatalities. Common adverse reactions (reported in at least 5% of all overdose cases) reported with oral aripiprazole overdosage (alone or in combination with other substances) include vomiting, somnolence, and tremor.

Other clinically important signs and symptoms observed in one or more patients with aripiprazole overdoses (alone or with other substances) include acidosis, aggression, aspartate aminotransferase increased, atrial fibrillation, bradycardia, coma, confusional state, convulsion, blood creatine phosphokinase increased, depressed level of consciousness, hypertension, hypokalemia, hypotension, lethargy, loss of consciousness, QRS complex prolonged, QT prolonged, pneumonia aspiration, respiratory arrest, status epilepticus, and tachycardia. Management of Overdosage Consider contacting the Poison Help line (1-800-222-1222) or medical toxicologist for additional overdosage management recommendations. No specific information is available on the treatment of overdose with OPIPZA.

An electrocardiogram should be obtained in case of overdosage and if QT interval prolongation is present, cardiac monitoring should be instituted. Otherwise, management of overdose should concentrate on supportive therapy, maintaining an adequate airway, oxygenation and ventilation, and management of symptoms. Close medical supervision and monitoring should continue until the patient recovers.

Charcoal: In the event of an overdose of OPIPZA, an early charcoal administration may be useful in partially preventing the absorption of aripiprazole. Administration of 50 g of activated charcoal, one hour after a single 15 mg oral dose of aripiprazole, decreased the mean AUC and C max of aripiprazole by 50%. Hemodialysis: Although there is no information on the effect of hemodialysis in treating an overdose with OPIPZA, hemodialysis is unlikely to be useful in overdose management since aripiprazole is highly bound to plasma proteins.