Original Research J Clin Psychiatry May 2026

Aripiprazole Once-Monthly for Patients Diagnosed With Schizophrenia: Number Needed to Treat, Number Needed to Harm, and Likelihood to be Helped or Harmed

Full Article Read the complete peer-reviewed article in J Clin Psychiatry. Clinical Summary For patients with schizophrenia, the real-world question is not just whether a long-acting antipsychotic works, but how likely benefit is relative to harm. This analysis translates placebo-controlled trial results for aripiprazole once-monthly 400 mg into clinically useful metrics that quantify symptom response, relapse prevention, and adverse-event tradeoffs. FAQ What was the number needed to treat for aripiprazole once-monthly 400 mg in acute schizophrenia? 8 questions
Key Takeaways In acute schizophrenia, the absolute response difference was substantial: 37.0% of patients receiving AOM 400 versus 14.4% receiving placebo achieved a ≥30% reduction in PANSS total score at week 10, yielding an NNT of 5 (95% CI, 4–8). 6 takeaways Clinical Guide How should clinicians use the article's benefit-risk data when considering aripiprazole once-monthly 400 mg for acute schizophrenia? 6 steps Clinical Guide How should clinicians use the article's benefit-risk data when considering continuation of aripiprazole once-monthly 400 mg for maintenance treatment of schizophrenia? 6 steps Patient Guide How can you prepare for a helpful conversation with your doctor about whether a once-monthly aripiprazole shot might be right for your schizophrenia care? 6 steps