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adverse reactions
6 ADVERSE REACTIONS The following are discussed in more detail in other sections of the labeling: Increased mortality in elderly patients with dementia-related psychosis [see Boxed Warning and Warnings and Precautions ( 5.1 )] Cerebrovascular adverse events, including stroke, in elderly patients with dementia-related psychosis [see Warnings and Precautions ( 5.2 )] Neuroleptic malignant syndrome [see Warnings and Precautions ( 5.3 )] Tardive dyskinesia [see Warnings and Precautions ( 5.4 )] Metabolic Changes (Hyperglycemia and diabetes mellitus, Dyslipidemia, and Weight Gain) [see Warnings and Precautions ( 5.5 )] Hyperprolactinemia [see Warnings and Precautions ( 5.6 )] Orthostatic hypotension [see Warnings and Precautions ( 5.7 )] Falls [see Warnings and Precautions ( 5.8 )] Leukopenia, neutropenia, and agranulocytosis [see Warnings and Precautions ( 5.9 )] Potential for cognitive and motor impairment [see Warnings and Precautions ( 5.10 )] Seizures [see Warnings and Precautions ( 5.11 )] Dysphagia [see Warnings and Precautions ( 5.12 )] Priapism [see Warnings and Precautions ( 5.13 )] Disruption of body temperature regulation [see Warnings and Precautions ( 5.14 )] Patients with Phenylketonuria [see Warnings and Precautions ( 5.15 )] The most common adverse reactions in clinical trials (>5% and twice placebo) were parkinsonism, akathisia, dystonia, tremor, sedation, dizziness, anxiety, blurred vision, nausea, vomiting, upper abdominal pain, stomach discomfort, dyspepsia, diarrhea, salivary hypersecretion, constipation, dry mouth, increased appetite, increased weight, fatigue, rash, nasal congestion, upper respiratory tract infection, nasopharyngitis, and pharyngolaryngeal pain. The most common adverse reactions that were associated with discontinuation from clinical trials (causing discontinuation in >1% of adults and/or >2% of pediatrics) were nausea, somnolence, sedation, vomiting, dizziness, and akathisia [see Adverse Reactions, Discontinuations Due to Adverse Reactions ( 6.1 )]. The data described in this section are derived from a clinical trial database consisting of 9803 adult and pediatric patients exposed to one or more doses of risperidone for the treatment of schizophrenia, bipolar mania, autistic disorder, and other psychiatric disorders in pediatrics and elderly patients with dementia. Of these 9803 patients, 2687 were patients who received risperidone while participating in double-blind, placebo-controlled trials. The conditions and duration of treatment with risperidone varied greatly and included (in overlapping categories) double-blind, fixed- and flexible-dose, placebo- or active-controlled studies and open-label phases of studies, inpatients and outpatients, and short-term (up to 12 weeks) and longer-term (up to 3 years) exposures. Safety was assessed by collecting adverse events and performing physical examinations, vital signs, body weights, laboratory analyses, and ECGs. The most common adverse reactions in clinical trials (>5% and twice placebo) were parkinsonism, akathisia, dystonia, tremor, sedation, dizziness, anxiety, blurred vision, nausea, vomiting, upper abdominal pain, stomach discomfort, dyspepsia, diarrhea, salivary hypersecretion, constipation, dry mouth, increased appetite, increased weight, fatigue, rash, nasal congestion, upper respiratory tract infection, nasopharyngitis, and pharyngolaryngeal pain. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Solco Healthcare US, LLC at 1-866-257-2597 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 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 clinical practice. Commonly-Observed Adverse Reactions in Double-Blind, Placebo-Controlled Clinical Trials - Schizophrenia Adult Patients with Schizophrenia Table 8 lists the adverse reactions reported in 2% or more of risperidone-treated adult patients with schizophrenia in three 4- to 8-week, double-blind, placebo-controlled trials. Table 8. Adverse Reactions in ≥2% of Risperidone-Treated Adult Patients (and greater than placebo) with Schizophrenia in Double-Blind, Placebo-Controlled Trials Percentage of Patients Reporting Reaction Risperidone System/Organ Class Adverse Reaction 2–8 mg per day (N=366) >8-16 mg per day (N=198) Placebo (N=225) Cardiac Disorders Tachycardia 1 3 0 Eye Disorders Vision blurred 3 1 1 Gastrointestinal Disorders Nausea 9 4 4 Constipation 8 9 6 Dyspepsia 8 6 5 Dry mouth 4 0 1 Abdominal discomfort 3 1 1 Salivary hypersecretion 2 1 <1 Diarrhea 2 1 1 General Disorders Fatigue 3 1 0 Chest pain 2 2 1 Asthenia 2 1 <1 Infections and Infestations Nasopharyngitis 3 4 3 Upper respiratory tract infection 2 3 1 Sinusitis 1 2 1 Urinary tract infection 1 3 0 Investigations Blood creatine phosphokinase increased 1 2 <1 Heart rate increased <1 2 0 Musculoskeletal and Connective Tissue Disorders Back pain 4 1 1 Arthralgia 2 3 <1 Pain in extremity 2 1 1 Nervous System Disorders Parkinsonism Parkinsonism includes extrapyramidal disorder, musculoskeletal stiffness, parkinsonism, cogwheel rigidity, akinesia, bradykinesia, hypokinesia, masked facies, muscle rigidity, and Parkinson's disease. Akathisia includes akathisia and restlessness. Dystonia includes dystonia, muscle spasms, muscle contractions involuntary, muscle contracture, oculogyration, tongue paralysis. Tremor includes tremor and parkinsonian rest tremor. 14 17 8 Akathisia 10 10 3 Sedation 10 5 2 Dizziness 7 4 2 Dystonia 3 4 2 Tremor 2 3 1 Dizziness postural 2 0 0 Psychiatric Disorders Insomnia 32 25 27 Anxiety 16 11 11 Respiratory, Thoracic and Mediastinal Disorders Nasal congestion 4 6 2 Dyspnea 1 2 0 Epistaxis <1 2 0 Skin and Subcutaneous Tissue Disorders Rash 1 4 1 Dry skin 1 3 0 Vascular Disorders Orthostatic hypotension 2 1 0 Pediatric Patients with Schizophrenia Table 9 lists the adverse reactions reported in 5% or more of risperidone-treated pediatric patients with schizophrenia in a 6-week double-blind, placebo-controlled trial. Table 9. Adverse Reactions in ≥5% of Risperidone-Treated Pediatric Patients (and greater than placebo) with Schizophrenia in a Double-Blind Trial Percentage of Patients Reporting Reaction Risperidone System/Organ Class Adverse Reaction 1–3 mg per day (N=55) 4–6 mg per day (N=51) Placebo (N=54) Gastrointestinal Disorders Salivary hypersecretion 0 10 2 Nervous System Disorders Sedation 24 12 4 Parkinsonism Parkinsonism includes extrapyramidal disorder, muscle rigidity, musculoskeletal stiffness, and hypokinesia. Akathisia includes akathisia and restlessness. Dystonia includes dystonia and oculogyration. 16 28 11 Tremor 11 10 6 Akathisia 9 10 4 Dizziness 7 14 2 Dystonia 2 6 0 Psychiatric Disorders Anxiety 7 6 0 Commonly-Observed Adverse Reactions in Double-Blind, Placebo-Controlled Clinical Trials - Bipolar Mania Adult Patients with Bipolar Mania Table 10 lists the adverse reactions reported in 2% or more of risperidone-treated adult patients with bipolar mania in four 3-week, double-blind, placebo-controlled monotherapy trials. Table 10. Adverse Reactions in ≥2% of Risperidone-Treated Adult Patients (and greater than placebo) with Bipolar Mania in Double-Blind, Placebo-Controlled Monotherapy Trials Percentage of Patients Reporting Reaction System/Organ Class Adverse Reaction Risperidone 1–6 mg per day (N=448) Placebo (N=424) Eye Disorders Vision blurred 2 1 Gastrointestinal Disorders Nausea 5 2 Diarrhea 3 2 Salivary hypersecretion 3 1 Stomach discomfort 2 <1 General Disorders Fatigue 2 1 Nervous System Disorders Parkinsonism Parkinsonism includes extrapyramidal disorder, parkinsonism, musculoskeletal stiffness, hypokinesia, muscle rigidity, muscle tightness, bradykinesia, cogwheel rigidity. Akathisia includes akathisia and restlessness. Tremor includes tremor and parkinsonian rest tremor. Dystonia includes dystonia, muscle spasms, oculogyration, torticollis. 25 9 Sedation 11 4 Akathisia 9 3 Tremor 6 3 Dizziness 6 5 Dystonia 5 1 Lethargy 2 1 Table 11 lists the adverse reactions reported in 2% or more of risperidone-treated adult patients with bipolar mania in two 3-week, double-blind, placebo-controlled adjuvant therapy trials. Table 11. Adverse Reactions in ≥2% of Risperidone-Treated Adult Patients (and greater than placebo) with Bipolar Mania in Double-Blind, Placebo-Controlled Adjunctive Therapy Trials Percentage of Patients Reporting Reaction System/Organ Class Risperidone + Mood Stabilizer Placebo + Mood Stabilizer Adverse Reaction (N=127) (N=126) Cardiac Disorders Palpitations 2 0 Gastrointestinal Disorders Dyspepsia 9 8 Nausea 6 4 Diarrhea 6 4 Salivary hypersecretion 2 0 General Disorders Chest pain 2 1 Infections and Infestations Urinary tract infection 2 1 Nervous System Disorders Parkinsonism Parkinsonism includes extrapyramidal disorder, hypokinesia and bradykinesia. Akathisia includes hyperkinesia and akathisia. 14 4 Sedation 9 4 Akathisia 8 0 Dizziness 7 2 Tremor 6 2 Lethargy 2 1 Psychiatric Disorders Anxiety 3 2 Respiratory, Thoracic and Mediastinal Disorders Pharyngolaryngeal pain 5 2 Cough 2 0 Pediatric Patients with Bipolar Mania Table 12 lists the adverse reactions reported in 5% or more of risperidone-treated pediatric patients with bipolar mania in a 3-week double-blind, placebo-controlled trial. Table 12. Adverse Reactions in ≥5% of Risperidone-Treated Pediatric Patients (and greater than placebo) with Bipolar Mania in Double-Blind, Placebo-Controlled Trials Percentage of Patients Reporting Reaction Risperidone System/Organ Class Adverse Reaction 0.5–2.5 mg per day (N=50) 3–6 mg per day (N=61) Placebo (N=58) Eye Disorders Vision blurred 4 7 0 Gastrointestinal Disorders Abdominal pain upper 16 13 5 Nausea 16 13 7 Vomiting 10 10 5 Diarrhea 8 7 2 Dyspepsia 10 3 2 Stomach discomfort 6 0 2 General Disorders Fatigue 18 30 3 Metabolism and Nutrition Disorders Increased appetite 4 7 2 Nervous System Disorders Sedation 42 56 19 Dizziness 16 13 5 Parkinsonism Parkinsonism includes musculoskeletal stiffness, extrapyramidal disorder, bradykinesia, and nuchal rigidity. Dystonia includes dystonia, laryngospasm, and muscle spasms. Akathisia includes restlessness and akathisia. 6 12 3 Dystonia 6 5 0 Akathisia 0 8 2 Psychiatric Disorders Anxiety 0 8 3 Respiratory, Thoracic and Mediastinal Disorders Pharyngolaryngeal pain 10 3 5 Skin and Subcutaneous Tissue Disorders Rash 0 7 2