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Browse 1,172 clinical trials for schizophrenia. Find studies that match your criteria and connect with research centers.
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Showing 1101-1120 of 1,172 trials
NCT00480844
In this study we intend to compare the effect of Sertindole to that of Risperidone on cognitive impairment in schizophrenia. Hypothesis: Sertindole will be as effective as Risperidone for treating cognitive impairment in schizophrenia and with fewer side effects.
NCT00428350
The primary objective of the study is to evaluate the efficacy of quetiapine fumarate (Seroquel) with daily dose 600mg-750mg used as mono-therapy in the treatment of acute schizophrenic patients by evaluation of the change from baseline in PANSS total score at Day 56 using the last observation carried forward (LOCF) method.
NCT00407277
Cigarette smoking decreases life expectancy, causes devastating health complications, and costs society billions of dollars each year. These untoward consequences are especially pronounced among persons with schizophrenia (SCZ) because approximately 80% to 95% of this group smokes cigarettes. These high prevalence rates underscore the need for research investigating the determinants of smoking in patients with SCZ. Several researchers have observed that nicotine improves specific symptoms of SCZ including negative symptoms, negative affect, and cognitive deficits. This has led to the hypothesis that patients with SCZ smoke in an attempt to self-medicate. However, the mechanism(s) by which nicotine has its positive effect on symptoms remains unclear. The current proposal posits that neural inhibition (NI) is a physiological mechanism of this effect, while variation in the alpha-7-nicotinic receptor subunit gene (CHRNA7) represents the genetic underpinnings of these processes. The proposed study will assess NI and symptom improvement after acute administration of nicotine to both smokers and nonsmokers with SCZ. In addition, NI and CHRNA7 variation will be tested as predictors of patients' ability to reduce/quit smoking following smoking treatment. These data may lead to the development of new pharmacological strategies for treating the symptoms of SCZ and new methods for assisting these patients to quit smoking.