Oral Versus Long-Acting Injectable Antipsychotic Treatment for People With Severe Schizophrenia: A 5-Year Follow-up of Effectiveness.
2021
ABSTRACT The objective here is to compare the effectiveness of long-acting injectable antipsychotics (LAI-APs) and oral ones (OAPs) in patients with severe (Global Clinical Impression-Severity ≥ 5) schizophrenia (N = 688). A 5-year follow-up study has been conducted in patients undergoing standard treatment in mental health units (MHUs) or on a severe mental illness program (SMIP). A total of 8.7% of the patients on the SMIP discontinued treatment, whereas 43.6% did so in MHUs (p < 0.0001). In both cases, treatment retention was significantly higher in patients on LAI-APs (p < 0.001). Also, hospital admissions were in both cases fewer among those on LAI-APs (p < 0.001). There was a significant link between suicide attempts and OAP treatment (p < 0.01). Given the relationship between the use of LAI-APs versus oral treatments in achieving higher adherence and less relapses and suicide attempts, the use of second-generation antipsychotics LAIs should be considered more suitable for people with severe schizophrenia.
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