Otsuka and Lundbeck Announce FDA Approval of Supplemental New Drug Application for REXULTI® (brexpiprazole) to Treat Schizophrenia in Pediatric Patients Ages 13-17
PRINCETON, N.J. & DEERFIELD, Ill.--(BUSINESS WIRE)--Otsuka America Pharmaceutical, Inc., (Otsuka) and H. Lundbeck A/S (Lundbeck) announce the U.S. Food and Drug Administration (FDA) has approved the supplemental new drug application (sNDA) of REXULTI® (brexpiprazole) for the treatment of schizophrenia in pediatric patients 13 to 17 years of age. The FDA previously granted Priority Review for the sNDA, a designation for a drug application that, if approved, would represent a significant improvement in the safety and/or effectiveness of the treatment, diagnosis, or prevention of a serious medical condition. REXULTI was approved in the U.S. in 2015 for the treatment of schizophrenia in adults and for adjunctive treatment of major depressive disorder in adults.
The submission was based on an extrapolation analysis that used data from prior studies among adult patients, pharmacokinetic results from adult and pediatric trials, and six-month data from the ongoing open-label, long-term trial among adolescent patients with schizophrenia. The interim data from the long-term trial, comprising data from 194 adolescent patients of which 140 received REXULTI for at least six months, were recently presented at the Psych Congress and a manuscript is planned for submission to a peer-reviewed scientific journal in 2022. Adverse events reported for this age group were generally similar to those observed in adult patients. The safety and effectiveness of REXULTI in pediatric patients with major depressive disorder have not been established.
“This approval further bolsters the mental health community’s efforts and resources to address a critical unmet need within the pediatric schizophrenia population,” said Robert McQuade, PhD, president, McQuade Center for Strategic Research and Development, LLC, and chief strategic officer, Otsuka Pharmaceutical Development & Commercialization, Inc. “We will continue to raise awareness about schizophrenia in adolescents and educate this important community on the availability of effective treatment options.”
“We are proud to offer a treatment option for adolescents with schizophrenia who are navigating the complexities of their health during a transitional time in their lives – we hope this will help make a meaningful difference in reducing their schizophrenia symptoms so they can be their best,” said Johan Luthman, executive vice president, R&D, Lundbeck.
About Rexulti/Rxulti (brexpiprazole)
Brexpiprazole was discovered by Otsuka and is being co-developed by Otsuka and Lundbeck. The mechanism of action for brexpiprazole is not fully understood. However, the efficacy of brexpiprazole may be mediated through a combination of partial agonist activity at serotonin 5-HT1A and dopamine D2 receptors, and antagonist activity at serotonin 5-HT2A receptors. Brexpiprazole exhibits high affinity (sub-nanomolar) for these receptors as well as for noradrenaline alpha1B/2C receptors. Depending on the market, brexpiprazole is known as Rexulti® or Rxulti®.
INDICATIONS and IMPORTANT SAFETY INFORMATION for REXULTI® (brexpiprazole)
REXULTI is indicated for:
- Use as an adjunctive therapy to antidepressants for the treatment of major depressive disorder (MDD) in adults
- Treatment of schizophrenia in adults and pediatric patients ages 13 years and older
IMPORTANT SAFETY INFORMATION
WARNING: INCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS
Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at increased risk of death. REXULTI is not approved for the treatment of patients with dementia-related psychosis.
WARNING: SUICIDAL THOUGHTS AND BEHAVIORS
Antidepressants increased the risk of suicidal thoughts and behaviors in patients aged 24 years and younger. Monitor for clinical worsening and emergence of suicidal thoughts and behaviors. The safety and effectiveness of REXULTI have not been established in pediatric patients with MDD.
Contraindication: In patients with known hypersensitivity reaction to brexpiprazole or any of its components. Reactions have included: rash, facial swelling, urticaria and anaphylaxis.
Cerebrovascular Adverse Events, Including Stroke: In clinical trials, elderly patients with dementia randomized to risperidone, aripiprazole, and olanzapine had a higher incidence of stroke and transient ischemic attack, including fatal stroke. REXULTI is not approved for the treatment of patients with dementia-related psychosis.
Neuroleptic Malignant Syndrome (NMS): NMS is a potentially fatal symptom complex reported in association with administration of antipsychotic drugs including REXULTI. Clinical signs of NMS are hyperpyrexia, muscle rigidity, altered mental status and evidence of autonomic instability. Additional signs may include elevated creatinine phosphokinase, myoglobinuria (rhabdomyolysis), and acute renal failure. Manage NMS with immediate discontinuation of REXULTI, intensive symptomatic treatment, and monitoring.
Tardive Dyskinesia (TD): Risk of TD, and the potential to become irreversible, are believed to increase with duration of treatment and total cumulative dose of antipsychotic drugs. TD can develop after a relatively brief treatment period, even at low doses, or after discontinuation of treatment. For chronic treatment, use the lowest dose and shortest duration of REXULTI needed to produce a clinical response. If signs and symptoms of TD appear, drug discontinuation should be considered.
Metabolic Changes: Atypical antipsychotic drugs have caused metabolic changes including:
- Hyperglycemia/Diabetes Mellitus: Hyperglycemia, in some cases extreme and associated with ketoacidosis or hyperosmolar coma or death, has been reported in patients treated with atypical antipsychotics. Assess fasting plasma glucose before or soon after initiation of antipsychotic medication, and monitor periodically during long-term treatment.
- Dyslipidemia: Atypical antipsychotics cause adverse alterations in lipids. Before or soon after initiation of antipsychotic medication, obtain a fasting lipid profile at baseline and monitor periodically during treatment.
- Weight Gain: Weight gain has been observed in patients treated with REXULTI. Monitor weight at baseline and frequently thereafter.
Pathological Gambling and Other Compulsive Behaviors: Intense urges, particularly for gambling, and the inability to control these urges have been reported while taking REXULTI. Other compulsive urges have been reported less frequently. Prescribers should ask patients or their caregivers about the development of new or intense compulsive urges. Consider dose reduction or stopping REXULTI if such urges develop.
Leukopenia, Neutropenia, and Agranulocytosis: Leukopenia and neutropenia have been reported with antipsychotics. Agranulocytosis (including fatal cases) has been reported with other agents in this class. Monitor complete blood count in patients with pre-existing low white blood cell count (WBC)/absolute neutrophil count or history of drug-induced leukopenia/neutropenia. Discontinue REXULTI at the first sign of a clinically significant decline in WBC and in severely neutropenic patients.
Orthostatic Hypotension and Syncope: Atypical antipsychotics cause orthostatic hypotension and syncope. Generally, the risk is greatest during initial dose titration and when increasing the dose. Monitor in patients vulnerable to hypotension, and those with cardiovascular and cerebrovascular diseases.
Falls: Antipsychotics may cause somnolence, postural hypotension, motor and sensory instability, which may lead to falls causing fractures or other injuries. For patients with diseases, conditions, or medications that could exacerbate these effects, complete fall risk assessments when initiating treatment and recurrently during therapy.
Seizures: REXULTI may cause seizures and should be used with caution in patients with a history of seizures or with conditions that lower the seizure threshold.
Body Temperature Dysregulation: Use REXULTI with caution in patients who may experience conditions that increase body temperature (e.g., strenuous exercise, extreme heat, dehydration, or concomitant use with anticholinergics).
Dysphagia: Esophageal dysmotility and aspiration have been associated with antipsychotics, including REXULTI, and should be used with caution in patients at risk for aspiration.
Potential for Cognitive and Motor Impairment: REXULTI has the potential to impair judgment, thinking, or motor skills. Patients should not drive or operate hazardous machinery until they are reasonably certain REXULTI does not affect them adversely.
Concomitant Medication: Dosage adjustments are recommended in patients who are known cytochrome P450 (CYP) 2D6 poor metabolizers and in patients taking concomitant CYP3A4 inhibitors or CYP2D6 inhibitors or strong CYP3A4 inducers.
Most commonly observed adverse reactions: In clinical trials of adults, the most common adverse reactions were:
- Major Depressive Disorder (MDD) (adjunctive treatment to antidepressant therapy; ≥5% incidence and at least twice the rate of placebo for REXULTI vs. placebo): akathisia and weight increased
- Schizophrenia (≥4% incidence and at least twice the rate of placebo for REXULTI vs. placebo): weight increased. Adverse reactions in patients 13 to 17 years of age were generally similar to those observed in adult patients.
Dystonia: Symptoms of dystonia may occur in susceptible individuals during the first days of treatment and at low doses.
Pregnancy: Adequate and well-controlled studies to assess the risks of REXULTI during pregnancy have not been conducted. REXULTI should be used during pregnancy only if the benefit justifies the risk to the fetus.
Lactation: It is not known if REXULTI is excreted in human breast milk. A decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.
To report SUSPECTED ADVERSE REACTIONS, contact Otsuka America Pharmaceutical, Inc. at 1-800-438-9927 or FDA at 1-800-FDA-1088 (www.fda.gov/medwatch).
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H. Lundbeck A/S (LUN.CO, LUN DC, HLUYY) is a global pharmaceutical company specialized in brain diseases. For more than 70 years, we have been at the forefront of neuroscience research. We are tirelessly dedicated to restoring brain health, so every person can be their best.
Millions of people worldwide live with brain diseases and far too many suffer due to inadequate treatment, discrimination, a reduced number of working days, early retirement, and other unnecessary consequences. Every day, we strive for improved treatment and a better life for people living with brain diseases – we call this Progress in Mind.
Our approximately 5,600 employees in more than 50 countries are engaged in the entire value chain throughout research, development, production, marketing, and sales. Our pipeline consists of several R&D programs and our products are available in more than 100 countries. We have research centers in Denmark and the US, and our production facilities are located in Denmark, France, and Italy. Lundbeck generated revenue of DKK 17.7 billion in 2020 (EUR 2.4 billion; USD 2.7 billion).
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