ISSN: 1522-4821

International Journal of Emergency Mental Health and Human Resilience
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  • Int J Emerg Ment Health 2017, Vol 19(4): 373
  • DOI: 10.4172/1522-4821.1000373

Effectiveness of Oral Antipsychotic versus Long-Acting-Injectable Antipsychotics: A Comparison of Suicidality, Relapse, and Recidivism

Andrew R Ward1, Varinder S Parmar2*, Gurpreet Sandhu3, Courtney Francis4 and Ted Sellers2
1Department of Biology, University of New Brunswick, Fredericton, NB, Canada
2Department of Psychiatry, Lakeridge Health, Oshawa, Queen’s University, Canada
3Department of Psychiatry, Kaweah Delta Health Care District, Irvine Medical School Affiliate, University of California, USA
4Department of Sciences, University of Ontario Institute of Technology, Oshawa, Canada
*Corresponding Author : Varinder S Parmar, Department of Psychiatry, Lakeridge Health, Oshawa, Queen’s University, Canada, Email: vsp908@gmail.com

Received Date: Jan 01, 1970 / Accepted Date: Jan 01, 1970 / Published Date: Nov 04, 2017

Abstract

Background: Long acting injectable antipsychotic (LAI) medication has been shown extensively to reduce relapse rates in schizophrenic patients previously treated with oral antipsychotics (OA). This study seeks to determine whether the long acting injectable mechanism, despite the drug-type being administered, is an effective treatment for all mental health (MH) disorders associated with psychosis; and moreover, whether it has the potential to improve patient suicidal ideation and overdose rates.
Methods: This was a retrospective chart review conducted on all patients being treated for a MH disorder with OA medication at a mid-sized community hospital in Oshawa, Ontario, Canada. Patients who switched from OA to LAI regimens between June 2014 and June 2015 were identified and included in the study. Relapse rates and patient outcomes were measured by a means of hospitalizations (ward admissions and emergency room (ER) visits) due to relapse, suicidal ideation, or intentional drug overdose. Data was collected in the form of frequencies for consecutive one-year periods on OA and LAI medications and then compared using descriptive statistics.
Result: Collectively, 92 patients met the inclusion criteria. The number of patients who were hospitalized at least once (ER visits and ward admissions) decreased by 54%, the frequency of suicidality by 60% and the number of drug over dose events by 71%. The median number of patients who visited the ER at least once decreased from 2 (0-16), to 0 (0-19), and the median number of patients who were admitted to the hospital at least once decreased from 1 (0-12), to 0 (0-10).
Conclusions: This study found that the LAI drug-delivery mechanism, in comparison to OA treatment, is associated with reduced relapse rates, and frequencies of suicidal ideation and overdose events in patients with MH disorders associated with psychosis.

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