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Clinical Trial Summary

Schizophrenia (SCZ) is a chronic, severe and disabling mental disorder with unclear etiology and pathophysiology concerned with neuro-developmental,neurodegenerative abnormalities and cognitive impairmentslinked to behavioural changes.According to neurotrophic hypothesis, the changes result due to the abnormal regulation of neurotrophic factor, especially the decreased serum brain derived neurotrophic factor (BDNF) validated by several meta-analyses. However, the regulation of nerve growth factor (NGF) in SCZ remains unclear because of the inconsistent findings from the previous clinical studies.

Lurasidone is a novel antipsychotic drug approved for adult SCZ and for affective symptomatology & cognitive deficits. Principal advantages over some other second-generation antipsychotics are its highly favourable metabolic profile and once daily dosing regimen. Some of the studies indicate that risperidone, olanzapine, clozapine & aripiprazole might not alter BDNF levels, at least within 8 weeks of treatment.While other two studies with olanzapine suggest that BDNF might influence the response to monotherapy in SCZ patients.All these previous studies are non-conclusive & contradictory to each other which draw our attention for doing the research further to reach a conclusive result about the effect of olanzapine and lurasidone on neurotrophic biomarkers in SCZ.


Clinical Trial Description

Schizophrenia (SCZ) is a chronic, severe and disabling mental disorder with unclear aetiology and pathophysiology concerned with neuro-developmental,neurodegenerative abnormalities and cognitive impairments linked to behavioural changes.According to neurotrophic hypothesis, the changes result due to the abnormal regulation of neurotrophic factor, especially the decreased serum brain derived neurotrophic factor (BDNF) validated by several meta-analyses. However, the regulation of nerve growth factor (NGF) in SCZ remains unclear because of the inconsistent findings from the previous clinical studies.

Lurasidone is a novel antipsychotic drug approved for adult SCZ and for affective symptomatology & cognitive deficits. Principal advantages over some other second-generation antipsychotics are its highly favourable metabolic profile and once daily dosing regimen. Some of the studies indicate that risperidone, olanzapine, clozapine & aripiprazole might not alter BDNF levels, at least within 8 weeks of treatment.While other two studies with olanzapine suggest that BDNF might influence the response to monotherapy in SCZ patients.All these previous studies are non-conclusive & contradictory to each other which draw our attention for doing the research further to reach a conclusive result about the effect of olanzapine and lurasidone on neurotrophic biomarkers in SCZ.

Most of the antipsychotic drugs prescribed for SCZ are based on the dopamine hypothesis. In recent times, neurotrophic hypothesis gained importance in the pathophysiology of SCZ. So, our study may enable psychiatrist to choose a better antipsychotic drug having effect on both dopamine as well as neurotrophic factors. Previously there were no studies on effect of lurasidone on neurotrophic factors in SCZ & also there was no head-on comparison of lurasidone and olanzapine ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03304457
Study type Interventional
Source All India Institute of Medical Sciences, Bhubaneswar
Contact
Status Completed
Phase Phase 4
Start date August 25, 2017
Completion date March 25, 2018

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