ARIPIPRAZOLE (Page 5 of 14)

6.1 Clinical Trials Experience

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 to 30 mg/day.

Commonly Observed Adverse Reactions

The only 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%).

Less Common Adverse Reactions in Adults

Table 17 enumerates the pooled incidence, rounded to the nearest percent, of adverse reactions that occurred during acute therapy (up to 6 weeks in schizophrenia and upto 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 17: Adverse Reactions in Short-Term, Placebo-Controlled Trials in Adult Patients Treated with Oral Aripiprazole
System Organ Class Preferred Term
Percentage of Patients Reporting Reaction *
Aripiprazole Placebo
(n=1843) (n=1166)
Adverse reactions reported by at least 2% of patients treated with oral aripiprazole, except adverse reactions which had an incidence equal to or less than placebo.
Eye Disorders
Blurred Vision 3 1
Gastrointestinal Disorders
Nausea 15 11
Constipation 11 7
Vomiting 11 6
Dyspepsia 9 7
Dry Mouth 5 4
Toothache 4 3
Abdominal Discomfort 3 2
Stomach Discomfort 3 2
General Disorders and Administration Site Conditions
Fatigue 6 4
Pain 3 2
Musculoskeletal and Connective Tissue Disorders
Musculoskeletal Stiffness 4 3
Pain in Extremity 4 2
Myalgia 2 1
Muscle Spasms 2 1
Nervous System Disorders
Headache 27 23
Dizziness 10 7
Akathisia 10 4
Sedation 7 4
Extrapyramidal Disorder 5 3
Tremor 5 3
Somnolence 5 3
Psychiatric Disorders
Agitation 19 17
Insomnia 18 13
Anxiety 17 13
Restlessness 5 3
Respiratory, Thoracic, and Mediastinal Disorders
Pharyngolaryngeal Pain 3 2
Cough 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.

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