Active clinical trials for "Schizophrenia"

The objectives of this study are to evaluate the safety and efficacy of Amisulpride as an add-on therapy or alternative monotherapy in treating patients with schizophrenia or schizoaffective disorder who have treatment-resistant positive symptoms and who are not eligible for treatment with clozapine due to intolerance, failure from a prior clozapine trial, or unwillingness to be treated with clozapine.

This study will examine changes in synaptic density with transcranial direct current stimulation (tDCS) in the brains of patients with schizophrenia. Synaptic density levels will be measured using a novel positron emission tomography (PET) radiotracer [18F]SDM-8, which is currently the best-in-class method to quantify synaptic density in humans. This will be a companion study to a parent study by our group examining the effects of tDCS on treatment adherence in schizophrenia (REB #103-2018).

Patients with schizophrenia have disturbances in their sense of self, particularly their bodily self. Disorders of the sense of self are central to schizophrenia and are of interest because they are thought to be present prior to the development of the disorder, when only a few attenuated symptoms signal a risk of developing psychosis. Finding markers related to the sense of self would make it possible to predict which subjects, among those with minimal psychotic symptoms, will develop psychosis, and thus to better adapt management. Disturbances in the experience of the passage of time that accompany disturbances in the sense of self have been described particularly in subjects at risk of developing psychosis, and would predict the onset of the pathology. However, as with alterations in the sense of self, it can be difficult to get patients to describe their disturbances in the experience of time, and objective measures are required to facilitate detection of these disturbances. In the present protocol an objective measure of temporal perception mechanisms will be tested in relation to the sense of self. The tests used in the protocol assess subjects' abilities to benefit from the passage of time and to use these abilities to predict and prepare for the occurrence of an event. The investigators have previously shown that patients with impaired bodily sense of self do not benefit from the passage of time to prepare themselves to process information in the future. The present protocol is aimed at developing a measure more sensitive to the patients' disorders by adding tactile measures.

MainRexult study aims to carefully evaluate a cohort of patients with schizophrenia and related disorder prescribed with the combination therapy with Abilify Maintena and Rexulti on its efficacy and tolerability in a real-life clinical setting.

The purpose of this study is to better understand mental illness and will test the hypotheses that while viewing affective stimuli, patient groups will show increased blood oxygenation level dependent (BOLD) signal by fMRI after lorazepam. This study will enroll participants between the ages of 16 and 60, who have a psychotic illness (such as psychosis which includes conditions like schizophrenia, schizoaffective disorder, and mood disorders). The study will also enroll eligible participants without any psychiatric illness, to compare their brains. The study will require participants to have 3-4 sessions over a few weeks. The initial assessments (may be over two visits) will include a diagnostic interview and several questionnaires (qols) to assess eligibility. Subsequently, there will will be two separate functional magnetic resonance imaging (fMRI) sessions in which lorazepam or placebo will be given prior to the MRI. During the fMRI the participants will also be asked to answer questions. Additionally, the participants will have their blood drawn, women of child bearing potential will have a urine pregnancy test, vital signs taken, and asked to complete more qols.

This multi-centre study will evaluate the safety and related factors study of atypical antipsychotics long-term treatment in Chinese Patients with Schizophrenia. The atypical antipsychotics include quetiapine, olanzapine, risperidone, aripiprazole, ziprasidone, paliperidone , amisulpride , perospirone and clozapine. This is an open, cohort, multi-center observational clinical study. The main purpose is to evaluate the safety. And the second purpose is to evaluate the efficacy of atypical antipsychotics. The efficacy evaluations include symptoms, social function, recurrence rate and hospitalization. This study belongs to IV period post-marketing drugs research. Planned sample size is 3000 cases. Visits occurs at 0,4,8,13,26,52,78,104,130 and 156 weeks. The main indexes include physical examination, vital signs, abdominal circumference , laboratory tests (blood cell analysis/ blood biochemical tests / prolactin (PRL) / thyroxine, etc.), adverse events, 12-lead electrocardiogram( ECG), extrapyramidal syndrome(EPS )assessment, sexual function evaluation, medication and other subjective feelings. The second indexes include scales of Positive and Negative Syndrome Scale(PANSS)，Clinical Global Impression-severity of Illness Scale(CGI-S), Calgary Depression Scale for Schizophrenia(CDSS),Personal and Social Performance Scale(PSP), the MOS 36一item Short Form Health Survey(SF-36), relapse rate, drug consolidation, medical-related expenses, income, drug plasma concentration and genetic information.

Recent studies have shown that certain biomarkers of schizophrenia could help to better assess the individual course of the disease and thus, contribute to more personalized treatment options. The aim of the SPIRIT study is to identify potential biomarkers for the prediction of disease-associated outcomes by investigating the neurobiological mechanisms of underlying schizophrenia-related dysfunctions.

Individuals with schizophrenia display a wide range of neurocognitive difficulties resulting in functional impairment and disability. Extensive evidence indicates insomnia and sleep disturbances play a substantial role in degrading cognitive functioning. However, the putative impact of insomnia and sleep disturbances on neurocognition and daily functioning has not been investigated in people with schizophrenia. The goal of this study is to characterize sleep in individuals with schizophrenia and quantify its impact on neurocognition and daily functioning.

The DUNDRUM Forensic Redevelopment Evaluation study (D-FOREST study) is a multi-site comprehensive evaluation of a complete National Forensic Mental Health Service. The study will have a prospective, observational, longitudinal design which will permit the evaluation of benefit over time for individual patients, groups of patients and the evaluation of the benefit in terms of service based outcomes of the redevelopment of a complete National Forensic Mental Health Service e.g. effects on waiting list times, length of stay. The study will systematically evaluate multiple domains of recovery in a complete National Forensic Service, including patients' physical health, mental health, offending behaviours and social and occupational functioning.

The weight gain and metabolic dysfunction has been vital conditions for individuals with schizophrenia. rTMS is a promising novel intervention, which have strong potentials on moderating increased appetite and cognitive deficits in schizophrenia, as it has been proved for the treatment of depression. Therefore, the investigators designed this randomized controlled clinical trial to evaluate the efficacy and safety of rTMS, using iTBS pattern, on prevention and treatment for elevated appetite and cognitive deficiency in individual with schizophrenia.