Chinese Journal of Pharmacovigilance ›› 2025, Vol. 22 ›› Issue (1): 99-103.
DOI: 10.19803/j.1672-8629.20240337

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808 Cases of Adverse Drug Reaction Caused by Antipsychotic Drugs

DAI Biao1,2,3,4, CAO Yin1,2,3,4, SUN Yanhong1,2,3,4, ZHANG Yuanyuan1,2,3,4, XIA Qingrong1,2,3,4,*   

  1. 1Department of Pharmacy, Affiliated Psychological Hospital of Anhui Medical University, Hefei Anhui 230022, China;
    2Department of Pharmacy, Hefei Fourth People's Hospital, Hefei Anhui 230022, China;
    3Department of Mental Pharmacology, Anhui Mental Health Center, Hefei Anhui 230022, China;
    4Clinical Medical Research Center of Mental and Psychological Diseases in Anhui Province, Hefei Anhui 230022, China
  • Received:2024-05-21 Online:2025-01-15 Published:2025-01-22

Abstract: Objective To analyze the characteristics, patterns, and influencing factors of adverse drug reactions (ADR) caused by antipsychotic drugs, and to provide data for clinical rational drug use. Methods A total of 808 reports about ADR caused by antipsychotic drugs reported by Anhui Mental Health Center Hospital to the National Adverse Drug Reaction Monitoring System between 2022 to and 2023 were collected. The Pareto chart was used to analyze the age of the patients, distribution of types of drugs, time of occurrence, and the major organs/systems involved. Results Among the 808 cases of ADR caused by antipsychotic drugs, the ratio of males to females was 1.3:1, and the incidence was high in groups ages 20-29, 30-39, and 10-19, accounting for 27.97%, 22.40%, and 17.20%, respectively. The reports of ADR involved a total of 15 antipsychotic drugs, with the top 5 drugs as risperidone (20.42%), olanzapine (20.17%), quetiapine (13.49%), aripiprazole (13.24%), and clozapine (13.24%). The main route of administration that caused ADR was oral administration (95.79%). ADR occurred most frequently within 2 to 10 days (37.62%). Neurological damage (46.78%) was the dominating ADR among the organs/systems affected. Among the 808 reports of ADR, there were 728 cases (90.10%) of mild ADR and 80 cases (9.90%) of severe ADR. Most adverse reactions had a good prognosis after symptomatic treatment. Conclusion According to Pareto chart analysis, the age of patients, onset time, and drug types should be considered in case of ADR caused by antipsychotic drugs. It is critical to promptly detect risk signals of drug use and take effective intervention measures to ensure patients' safety.

Key words: Antipsychotic Drugs, Risperidone, Olanzapine, Quetiapine, Aripiprazole, Clozapine, Pareto Chart, Adverse Drug Reaction

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