Prescription patterns in psychiatric compulsory care: polypharmacy and high-dose antipsychotics

Author:

Kaikoushi KaterinaORCID,Karanikola MariaORCID,Middleton Nicos,Bella Evanthia,Chatzittofis Andreas

Abstract

Background Antipsychotic polypharmacy and prescription of high-dose antipsychotics are often used for the treatment of psychotic symptoms, especially in compulsory psychiatric care although there is lack of evidence to support this practice and related risks for patients. Aims We aimed to investigate prescription patterns in patients with psychosis under compulsory psychiatric treatment in Cyprus and to identify predictors for pharmaceutic treatment patterns. Method This was a nationwide, descriptive correlational study with cross-sectional comparisons, including 482 patients with compulsory admission to hospital. Sociodemographic and clinical data were collected. Psychotic symptoms were assessed with the Positive and Negative Syndrome Scale (PANSS). Prescribed medication patterns, including use of medication pro re nata (PRN, when required), were recorded. Results Antipsychotic polypharmacy with a PRN schema was reported in 33.2% (n = 160) of the participants. Polypharmacy without a PRN schema was reported in 5.6% (n = 27) of the participants. We found that 27.2% (n = 131) of the participants were prescribed high-dose antipsychotics without PRN included; and 39.2% (n = 189) prescribed high-dose antipsychotics with PRN included. In the logistic regression analyses, predictors for prescription of high-dose antipsychotics were male gender, positive psychiatric history, receiving state benefits and a negative history of substance use. Male gender was the only predictor for polypharmacy without a PRN schema whereas male gender, negative family psychiatric history, receiving state benefits and the total score on the positive symptoms PANSS subscale were predictors for polypharmacy with a PRN schema included. Conclusions A high frequency of polypharmacy and use of medication PRN beyond clinical guidelines has been reported for the first time in psychiatric compulsory care in Cyprus; revision in antipsychotic prescription is needed.

Funder

Cyprus University of Technology

Publisher

Royal College of Psychiatrists

Subject

Psychiatry and Mental health

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