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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/154883
Distinct risk factors for obsessive and compulsive symptoms in chronic schizophrenia
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BACKGROUND: Obsessive-compulsive disorder (OCD) is common in clozapine-treated patients although the actual prevalence, phenomenology and risk factors remain unclear. The aim of the present study was to address the three aforementioned questions. METHODS: The electronic records of a large cohort of clozapine-medicated schizophrenia patients routinely screened for OCD were used. The Obsessive Compulsive Inventory Revised version (OCI-R) was available from 118 cases and a 21 points cut-off threshold for OCD was defined. RESULTS: OCD prevalence was 47%, higher in patients on poly-pharmacy than on monotherapy (64% vs 31%; p = 0.001). Two OCI-R factors had significantly higher scores and distinct risk factors: checking behaviour (mean = 5.1; SD = 3.6) correlated with length of clozapine treatment (r = 0.21; p = 0.026), and obsessing factor (mean = 4.8; SD = 3.6) correlated with psychosis severity (r = 0.59; p = 0.001). These factors along with total OCI-R, did not correlate with either clozapine dose or plasma levels, after correcting for psychosis severity. CONCLUSIONS: Screening for OCD in clozapine patients, and probably in those treated with structurally similar drugs with potent antiserotoninergic properties, should be widely adopted by clinicians. Further research is needed to understand the pathophysiology underlying repetitive behavior onset in clozapine-treated patients.
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FERNÁNDEZ EGEA, Emilio, WORBE, Yulia, BERNARDO ARROYO, Miquel, ROBBINS, Trevor w.. Distinct risk factors for obsessive and compulsive symptoms in chronic schizophrenia. _Psychological Medicine_. 2018. Vol. 48, núm. 16, pàgs. 2668-2675. [consulta: 24 de gener de 2026]. ISSN: 0033-2917. [Disponible a: https://hdl.handle.net/2445/154883]