Abilify Tablets
Clinical Summary
Quick overview from the medicine insert
Indication
Treatment of schizophrenia and acute manic episodes in Bipolar I Disorder.
Dosage (summary)
Starting dose 10-15 mg/day; max 30 mg/day.
Special Populations
- Elderly
- Renal impairment
- Hepatic impairment
Pregnancy & Breastfeeding
Safety not established; monitor neonates for withdrawal symptoms.
Key Drug Interactions
- CYP3A4 inhibitors
- CYP2D6 inhibitors
- Valproate
- Lithium
Contraindications
- Hypersensitivity to aripiprazole
- Paediatric use under 18 years
Common side effects
- Insomnia
- Dizziness
- Nausea
- Somnolence
- Orthostatic hypotension
Counselling Points
- Avoid alcohol
- Monitor for hyperglycemia
- Caution with driving and machinery
Serious warnings
- Suicide risk
- Tardive dyskinesia
- Neuroleptic Malignant Syndrome
- Increased mortality in elderly with dementia-related psychosis
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Clinical Particulars
Section 4 of the official insert — extracted exactly as issued, no alterations
4.1 Therapeutic indications
Schizophrenia: ABILIFY is indicated for the treatment of schizophrenia and for the maintenance of clinical improvement in adults.
Bipolar Mania: ABILIFY is indicated for the treatment of acute manic episodes associated with Bipolar I Disorder and for prevention of recurrence of new manic episodes in patients who experienced predominantly manic episodes and who responded to ABILIFY treatment.
4.2 Posology and method of administration
Posology
Schizophrenia: The recommended starting dose for ABILIFY is 10 or 15 mg/day with a maintenance dose of 15 mg/day administered on a once-a-day schedule without regard to meals. ABILIFY is effective in a dose range of 10 to 30 mg/day. Enhanced efficacy at doses higher than the recommended daily dose of 15 mg has not been demonstrated although individual patients may benefit from a higher dose. The maximum daily dose should not exceed 30 mg.
Bipolar Mania: The recommended starting dose for ABILIFY is 15 mg administered on a once-a-day schedule without regard to meals as monotherapy or combination therapy (see Medicine Interactions and other forms of Interactions). Some patients may benefit from a higher dose. The maximum daily dose should not exceed 30 mg.
Recurrence prevention of manic episodes in Bipolar I disorder: For preventing recurrence of manic episodes in patients who have been receiving aripiprazole, continue therapy at the same dose. Adjustments of daily dose, including dose reduction should be considered on the basis of clinical status. Prevention of depressive episodes using aripiprazole monotherapy has not been established. Supplementary therapy should be considered for the prevention or treatment of depressive episodes, as clinically appropriate.
Concomitant Medications: Dosage adjustment for patients taking ABILIFY concomitantly with potent CYP3A4 or CYP2D6 inhibitors: When concomitant administration of a potent CYP3A4 or CYP2D6 inhibitor with ABILIFY occurs, the ABILIFY dose should be reduced to one-half of the usual dose. When the CYP3A4 or CYP2D6 inhibitor is withdrawn from the combination therapy, the ABILIFY dose should then be increased. Dosage adjustment for patients taking potent CYP3A4 inducers: When a potent CYP3A4 inducer is added to ABILIFY therapy, the ABILIFY dose should be doubled. Additional dose increases of ABILIFY should be based on clinical evaluation. When the CYP3A4 inducer is withdrawn from the combination therapy, the ABILIFY dose should be reduced.
Method of administration
ABILIFY is for oral use.
4.3 Contraindications
ABILIFY is contra-indicated in patients who are hypersensitive to aripiprazole or any of the excipients listed in section 6.1.
Paediatric use
The safety and efficacy of ABILIFY in patients under 18 years of age have not been established.
4.4 Special warnings and precautions for use
During antipsychotic treatment, improvement in the patientu2019s clinical condition may take several days to some weeks. Patients should be closely monitored during this period.
Suicide: The possibility of a suicide attempt is inherent in psychotic illnesses, and close supervision of high-risk patients should accompany medicine therapy. Prescriptions for ABILIFY should be written for the smallest quantity of tablets consistent with good patient management, in order to reduce the risk of overdose.
Tardive Dyskinesia: As the risk of tardive dyskinesia increases with long-term exposure to antipsychotic treatment, if signs and symptoms of tardive dyskinesia appear in a patient on ABILIFY, a dose reduction or medicine discontinuation should be considered. These symptoms can temporally deteriorate or even arise after discontinuation of treatment.
Neuroleptic Malignant Syndrome: A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported. Clinical manifestations of NMS are hyperpyrexia, muscle rigidity, altered mental status and evidence of autonomic instability (irregular pulse or blood pressure, tachycardia, diaphoresis and cardiac dysrhythmia). Additional signs may include elevated creatine phosphokinase, myoglobinuria (rhabdomyolysis), and acute renal failure. If a patient develops signs and symptoms indicative of NMS, or presents with unexplained high fever without additional clinical manifestations of NMS, all antipsychotic medicines, including ABILIFY must be discontinued.
Cardiovascular disorders: ABILIFY should be used with caution in patients with known cardiovascular disease (history of myocardial infarction or ischaemic heart disease, heart failure, or conduction abnormalities), cerebrovascular disease, conditions which would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medicinal products) or hypertension, including accelerated or malignant. Cases of venous thromboembolism (VTE) have been reported with antipsychotic medicinal products. Since patients treated with antipsychotics often present with acquired risk factors for VTE, all possible risk factors for VTE should be identified before and during treatment with aripiprazole and preventive measures undertaken.
Seizure: ABILIFY should be used cautiously in patients who have a history of seizure disorder or have conditions associated with seizures.
Elderly patients with Dementia-related psychosis: Elderly patients with dementia-related psychosis treated with ABILIFY, are at increased risk of death compared to placebo. Although the causes of death were varied, most of the deaths appeared to be either cardiovascular (e.g. heart failure, sudden death) or infectious (e.g. pneumonia) in nature. In three placebo-controlled trials of ABILIFY in elderly patients with psychosis associated with Alzheimeru2019s disease, cerebrovascular adverse events (e.g. stroke, transient ischaemic attack), including fatalities, were reported in patients. ABILIFY is not approved for the treatment of patients with dementia-related psychosis.
Hyperglycaemia and Diabetes Mellitus: Hyperglycaemia, in some cases extreme and associated with ketoacidosis or hyperosmolar coma or death, has been reported in patients treated with ABILIFY. Patients treated with ABILIFY should be observed for signs and symptoms of hyperglycaemia (such as polydipsia, polyuria, polyphagia and weakness) and patients with diabetes mellitus or with risk factors for diabetes mellitus should be monitored regularly for worsening of glucose control. Patients who develop symptoms of hyperglycaemia during treatment with ABILIFY should undergo fasting blood glucose testing. In some cases, hyperglycaemia has resolved when ABILIFY was discontinued; however, some patients required continuation of anti-diabetic treatment despite discontinuation of the suspect medicine.
Weight Gain: Antipsychotic drugs have been associated with metabolic changes, including weight gain. Weight gain has been reported post-marketing experience among patients prescribed oral ABILIFY. When seen, it is usually in those with significant risk factors such as history of diabetes, thyroid disorder or pituitary adenoma. In clinical trials ABILIFY has not been shown to induce clinically relevant weight gain.
Pathological Gambling and Other Impulse-Control Disorders: Patients can experience increased urges, particularly for gambling, and the inability to control these urges while taking ABILIFY. Other urges, reported include: increased sexual urges, compulsive spending, binge or compulsive eating, and other impulsive and compulsive behaviors. It is important for prescribers to ask patients or their caregivers specifically about the development of new or increased gambling urges, sexual urges, compulsive spending, binge or compulsive eating, or other urges while being treated with ABILIFY. It should be noted that impulse-control symptoms can be associated with the underlying disorder; however, in some cases, urges were reported to have stopped when the dose was reduced or the medication was discontinued. Impulse-control disorders may result in harm to the patient and others if not recognized. Consider dose reduction or stopping the medication if a patient develops such urges while taking ABILIFY.
Orthostatic Hypotension: Potentially due to its u03b11-adrenergic receptor antagonist activity, ABILIFY may be associated with orthostatic hypotension. Symptomatic orthostatic hypotension occurred in 1.3% of ABILIFY-treated patients during pre-marketing clinical trials. ABILIFY should be used with caution in patients with known cardiovascular disease (history of myocardial infarction or ischaemic heart disease, heart failure or conduction abnormalities), cerebrovascular disease or conditions which would predispose patients to hypotension (dehydration, hypovolaemia, and treatment with antihypertensive medications).
Body Temperature Regulation: Disruption of the bodyu2019s ability to reduce core body temperature has been attributed to antipsychotic agents. Appropriate care is advised when prescribing ABILIFY for patients who will be experiencing conditions which may contribute to an elevation in core body temperature, e.g. exercising strenuously, exposure to extreme heat, receiving concomitant medication with anticholinergic activity, or being subject to dehydration.
Dysphagia: Oesophageal dysmotility and aspiration have been associated with antipsychotic medicine use. ABILIFY and other antipsychotic medicines should be used cautiously in patients at risk of aspiration pneumonia.
Laboratory Findings: Comparisons between ABILIFY and placebo in the proportions of patients experiencing potentially clinically significant changes in routine laboratory parameters revealed no medically important differences.
Patients with ADHD comorbidity: Despite the high comorbidity frequency of Bipolar I Disorder and ADHD, very limited safety data are available on concomitant use of aripiprazole and stimulants; therefore, extreme caution should be taken when these medicinal products are co-administered.
Falls: ABILIFY may cause somnolence, postural hypotension, motor and sensory instability, which may lead to falls. Caution should be taken when treating patients at higher risk, and a lower starting dose should be considered (e.g. elderly or debilitated patients; see section 4.2).
Contains lactose: Patients with the rare hereditary conditions of galactose intolerance e.g. galactosaemia, Lapp lactase deficiency, glucose-galactose malabsorption should not take ABILIFY.
4.5 Interactions with other medicines
General: Given the primary CNS effects of ABILIFY, caution should be used when ABILIFY is taken in combination with other centrally acting medicines. Combination use of ABILIFY with alcohol should be avoided. Due to its u03b11-adrenergic receptor antagonist activity, ABILIFY has the potential to enhance the effect of certain antihypertensive agents. There was no effect of a high fat meal on the pharmacokinetics of ABILIFY.
Valproate: When valproate (500 u2013 1500 mg/day) and aripiprazole (30 mg/day) were co-administered at steady-state, the Cmax and AUC of aripiprazole were decreased by 25%. No dosage adjustment of ABILIFY is required when administered concomitantly with valproate.
Lithium: A pharmacokinetic interaction of ABILIFY with lithium is unlikely because lithium is not bound to plasma proteins, is not metabolised, and is almost entirely excreted unchanged in the urine. Co-administration of therapeutic doses of lithium (1200 u2013 1800 mg/day) for 21 days with ABILIFY 30 mg/day did not result in clinically significant changes in the pharmacokinetics of aripiprazole or its active metabolite dehydro-aripiprazole (Cmax and AUC increased by less than 20%). No dosage adjustment of ABILIFY is required when administered concomitantly with lithium.
Effect of other medicines on ABILIFY: There was no clinically significant effect of the H2 antagonist, famotidine, on the pharmacokinetics of aripiprazole. ABILIFY is metabolised by multiple pathways involving the CYP2D6 and CYP3A4 enzymes but not CYP1A enzymes. Accordingly, no dosage adjustment is required for smoking. In a clinical study with healthy subjects, a potent inhibitor of CYP2D6 (quinidine) increased aripiprazole AUC by 107%, while Cmax was not changed. The AUC and Cmax of dehydro-aripiprazole, its active metabolite, decreased by 32% and 47%. ABILIFY dose should be reduced to one-half of its prescribed dose when concomitant administration of ABILIFY with quinidine occurs. Other potent inhibitors of CYP2D6, such as fluoxetine and paroxetine, may be expected to have similar effects and therefore, should be accompanied by similar dose reductions.
In a clinical study with healthy subjects, a potent inhibitor of CYP3A4 (ketoconazole) increased aripiprazole AUC and Cmax by 63% and 37%. The AUC and Cmax of dehydro-aripiprazole increased by 77% and 43%. In CYP2D6 poor metabolisers, concomitant use of potent inhibitors of CYP3A4 may result in higher plasma concentrations of aripiprazole compared to that in CYP2D6 extensive metabolisers. When considering concomitant administration of ketoconazole or other potent CYP3A4 inhibitors with ABILIFY, potential benefits should overweigh the potential risks to the patient. When concomitant administration of ketoconazole with ABILIFY occurs, ABILIFY dose should be reduced to one-half of its prescribed dose. Other potent inhibitors of CYP3A4, such as itraconazole and HIV protease inhibitors, may be expected to have similar effects and therefore, should be accompanied by similar dose reductions.
Upon discontinuation of the CYP2D6 or CYP3A4 inhibitor, the dosage of ABILIFY should be increased to the level prior to the initiation of the concomitant therapy. Following concomitant administration of carbamazepine, a potent inducer of CYP3A4, the geometric means of Cmax and steady-state AUC were 68% and 73% lower, respectively, compared to when ABILIFY (30 mg) was administered alone. Similarly, for dehydro-aripiprazole the geometric means of Cmax and steady-state AUC after carbamazepine co-administration were 69% and 71% lower, respectively, than those following ABILIFY alone treatment. ABILIFY dose should be doubled when concomitant administration of ABILIFY occurs with carbamazepine. Other potent inducers of CYP3A4 (such as rifampicin, rifabutin, phenytoin, phenobarbitone, primidone, efavirenz, nevirapine and St. Johnu2019s Wort) may be expected to have similar effects and therefore, should be accompanied by similar dose increases. Upon discontinuation of potent CYP3A4 inducers, the dosage of ABILIFY should be reduced to the recommended dose.
Medicine Interactions: In clinical studies, 10 - 30 mg/day doses of oral ABILIFY had no significant effect on metabolism of substrates of CYP2D6 (dextromethorphan), CYP2C9 (warfarin), CYP2C19 (omeprazole), and CYP3A4 (dextromethorphan). Additionally, aripiprazole and its predominant human metabolite dehydro-aripiprazole did not show potential for altering CYP1A2-mediated metabolism in vitro. Thus, ABILIFY is unlikely to cause clinically important medicine interactions mediated by these enzymes.
Serotonin syndrome: Cases of serotonin syndrome have been reported in patients taking aripiprazole, and possible signs and symptoms for this condition can occur especially in cases of concomitant use with other serotonergic medicinal products, such as SSRI/SNRI, or with medicinal products that are known to increase aripiprazole concentrations (see section 4.8).
4.6 Fertility, pregnancy and lactation
Safety of use of ABILIFY during pregnancy and lactation has not been established. Patients should be advised to notify their physician if they become pregnant or intend to become pregnant during treatment with ABILIFY. Neonates exposed to antipsychotics (including ABILIFY) during the third trimester of pregnancy are at risk of adverse reactions including extrapyramidal and/or withdrawal symptoms that may vary in severity and duration following delivery. There have been reports of agitation, hypertonia, hypotonia, tremor, somnolence, respiratory distress, or feeding disorder. Consequently, newborns should be monitored carefully. Aripiprazole is excreted in human breast milk.
4.7 Effects on ability to drive and use machines
ABILIFY has minor to moderate influence on the ability to drive and use machines due to potential nervous system and visual effects, such as sedation, somnolence, syncope, vision blurred, diplopia (see section 4.8). Patients should be cautioned about operating hazardous machinery, including motor vehicles until they are reasonably certain that ABILIFY does not adversely affect them.
4.8 Undesirable effects
Frequency is defined as very common (u2265 1/10 or u2265 10%); common (u2265 1/100, < 1/10 or u2265 1% and < 10%); uncommon (u2265 1/1,000, < 1/100 or u2265 0.1% and < 1%), rare (u2265 1/10,000, < 1/1,000 or u2265 0.01% and < 0.1%) or very rare (< 1/10,000 or < 0.01%). Adverse events that occurred during placebo-controlled trials with ABILIFY tablets and were considered treatment-related:
Schizophrenia:
- Endocrine disorders: Uncommon: Hyperprolactinaemia, blood prolactin decreased
Psychiatric disorders:
- Very Common: Insomnia
- Common: Restlessness
Nervous System disorders:
- Very Common: Headache
- Common: Dizziness, akathisia, somnolence/sedation, tremor, extrapyramidal disorder
Eye disorders:
- Common: Blurred vision
Cardiac disorders:
- Common: Tachycardia
Vascular disorders:
- Common: Orthostatic hypotension
Gastrointestinal disorders:
- Common: Nausea, vomiting, constipation, dyspepsia
General disorders and administration site conditions:
- Common: Asthenia/fatigue
Bipolar Mania:
Endocrine disorders:
- Uncommon: Hyperprolactinaemia, blood prolactin decreased
Psychiatric disorders:
- Common: Restlessness, anxiety
Nervous System disorders:
- Very Common: Headache, akathisia
- Common: Sedation, tremor, extrapyramidal disorder, somnolence
Eye disorders:
- Common: Blurred vision
Cardiac disorders:
- Uncommon: Tachycardia
Vascular disorders:
- Uncommon: Orthostatic hypotension
Gastrointestinal disorders:
- Very common: Nausea
- Common: Constipation, vomiting, salivary hypersecretion, dyspepsia, stomach discomfort
General disorders and administration site conditions:
- Common: Fatigue
- Uncommon: Peripheral oedema
Musculoskeletal and Connective Tissue disorders:
- Common: Musculoskeletal stiffness
Other Findings: There have been rare reports of neuroleptic malignant syndrome and uncommon occurrences of tardive dyskinesia or seizures. Symptoms of dystonia, prolonged abnormal contractions of muscle groups, may occur in susceptible individuals during the first few days of treatment.
Post-Introduction Treatment Emergent Adverse Medicine Reactions:
Blood and Lymphatic System Disorders: Leukopenia, neutropenia, thrombocytopenia
Endocrine Disorders: Hyperglycaemia, diabetes mellitus, diabetic ketoacidosis (DKA), diabetic hyperosmolar coma
Psychiatric Disorders: Agitation, Pathological gambling, Hypersexuality, Impulse control Disorders, suicide attempt, suicidal ideation and completed suicide, binge eating, poriomania, compulsive shopping, aggression, nervousness
Nervous System Disorders: Speech disorder, grand mal convulsion, serotonin syndrome, restless legs syndrome
Eye disorders: Diplopia, Oculogyric crisis
Cardiac disorders: Sudden unexplained death, Torsades de pointes, QT prolongation, ventricular dysrhythmias, cardiac arrest, bradycardia
Vascular Disorders: Syncope, hypertension, venous thromboembolism (including pulmonary embolism and deep vein thrombosis)
Gastrointestinal Disorders: Pancreatitis, dysphagia, diarrhoea
General Disorders and Administration Site Conditions: Temperature regulation disorder (e.g. hypothermia, pyrexia), chest pain, peripheral oedema
Skin and Subcutaneous Tissue Disorders: Allergic reaction (e.g. anaphylactic reaction, angioedema, pruritus or urticaria, rash, laryngospasm), hyperhidrosis, alopecia, phot sensitivity, drug reaction with eosinophilia and systemic symptoms (DRESS)
Investigations: Blood glucose increased, blood glucose fluctuation, glycosylated haemoglobin increased, increased creatine phosphokinase, increased alanine aminotransferase [or increased ALT or increased SGPT], increased aspartate aminotransferase [or increased AST or increased SGOT], increased GGT
Musculoskeletal and Connective Tissue Disorders: Rhabdomyolysis, myalgia, musculoskeletal stiffness
Reproductive System and Breast Disorders: Priapism
Renal and Urinary Disorders: Urinary retention, urinary incontinence
Respiratory, Thoracic and Mediastinal Disorders: Aspiration pneumonia, hiccups, oropharyngeal spasm
Hepatobiliary Disorders: Hepatic failure, hepatitis, jaundice
Metabolism and Nutrition disorders: Hyponatraemia, anorexia, weight increased, weight decreased
Reporting of suspected adverse reactions: Reporting suspected adverse reactions after authorisation of the medicine is important. It allows continued monitoring of the benefit/risk balance of the medicine. Health care providers are asked to report any suspected adverse reactions to SAHPRA via the u201c6.04 Adverse Drug Reactions Reporting Formu201d, found online under SAHPRAu2019s publications: https://www.sahpra.org.za/Publications/Index/8
4.9 Overdose
In clinical studies and post-marketing experience, accidental or intentional acute overdosage of ABILIFY alone was identified in patients with estimated doses up to 1260 mg with no fatalities. The potentially medically important signs and symptoms observed included lethargy, blood pressure increased, somnolence, tachycardia and vomiting. In addition, reports of accidental overdose with ABILIFY alone (up to 195 mg) in children have been received with no fatalities. The potentially medically serious signs and symptoms reported include somnolence and transient loss of consciousness. Management of overdose should concentrate on supportive therapy, maintaining an adequate airway, oxygenation and ventilation, and management of symptoms. The possibility of multiple medicine involvement should be considered. Therefore, cardiovascular monitoring should commence immediately and should include continuous electrocardiographic monitoring to detect possible dysrhythmias. Following any confirmed or suspected overdose of ABILIFY, close medical supervision and monitoring should continue until the patient recovers. Activated charcoal (50 g), administered one hour after ABILIFY, decreased aripiprazole AUC and Cmax by 51 and 41%, respectively, suggesting that charcoal may be effective for overdose management. Although there is no information on the effect of haemodialysis in treating an overdose with ABILIFY, haemodialysis is unlikely to be useful in overdose management since ABILIFY is not eliminated unchanged by the kidneys and is highly bound to plasma proteins.