Active clinical trials for "Psychotic Disorders"

This study will evaluate the safety and efficacy of pimavanserin 40 mg compared to placebo in patients with Alzheimer's disease psychosis.

Schizophrenia/Schizoaffective Disorder is associated with serious problems with cognitive skills, social skills, and functional skills (like employment). There is a new form of cognitive behavioral therapy called integrated cognitive behavioral therapy (iCBT) that specifically addresses the cognitive, social, and functional deficits of schizophrenia/schizoaffective disorder. This study compared iCBT to the usual care (UC) that Veteran's receive. The investigators compared iCBT to UC in subjects with schizophrenia/schizoaffective disorder who are enrolled in a Supported Employment (SE) program, and evaluate whether iCBT is more helpful in improving job performance, and other areas of functioning, both right after treatment, and 6 months after the end of treatment.

The aims of this study are to compare the antipsychotic and adverse events of quetiapine, an atypical antipsychotic drug, to haloperidol, a standard treatment for primary psychotic disorder, in individuals with MAP.

The purpose of this study is to assess the efficacy of oral glycine as an augmentation strategy in two psychotic patients with a triplication (4 copies) of the gene glycine decarboxylase (GLDC). Subjects will first undergo a double-blind placebo-controlled clinical trial in which one 6-week arm will involve glycine (maximum daily dose of 0.8 g/kg, administered on a TID dosing schedule) and one 6-week arm will involve placebo. A 2-week period of no treatment will occur between treatment arms. A 6-week period of open-label glycine (maximum daily dose of 0.8 g/kg, administered on a TID dosing schedule) will follow the double-blind placebo-controlled clinical trial. Prior to the double-blind placebo-controlled clinical trial and at the end of the open-label glycine trial, the following procedures will be carried out: structural MRI (3T), Proton 1H MRS (4T), fMRI (3T), steady-state visual evoked potentials, and EEG. Positive, negative, and affective symptoms and neurocognitive function as well as plasma levels of large neutral and large and small neutral and excitatory amino acids and psychotropic drug levels will be assessed periodically. In addition, 1H MRS (4T) for 2 hours after a single oral dose of a glycine-containing drink will be assessed at baseline. Pharmaceutical grade glycine powder (Ajinomoto) or placebo will be dissolved in 20% solution and prepared by the McLean Hospital Pharmacy. Because the results of the double-blind placebo-controlled and open-label glycine treatment arms showed substantial clinical benefit to the participants, the study has been extended to include six months of chronic open-label glycine in order to determine 1) whether the clinical benefits achieved within 6 weeks previously recur, 2) the clinical benefits are lasting, and 3) additional clinical benefits occur with longer exposure. The glycine for this extension will be provided by Letco Medical. The investigators hypothesize that mutation carriers will have reduced endogenous brain glycine and GABA levels and increased brain glutamate and glutamine levels. Glycine administration will increase brain glycine in the two carriers, but to a lesser extent than in non-carrier family members and controls. The investigators hypothesize reduced activation of magnocellular pathways and abnormal ERPs modulated by NMDA in mutation carriers compared with non-carrier family members and controls. The investigators hypothesize that glycine, but not placebo, will improve positive, negative and affective symptoms as well as neurocognitive function. The investigators also hypothesize that open-label glycine will improve clinical and cognitive functioning, will partially normalize decreased baseline glycine and GABA and increased glutamate and glutamine, and will partially normalize magnocellular pathway activation and abnormal evoked potentials.

The proposed project is designed to examine the effects of cognitive rehabilitation on brain structure and function in a randomized trial of 102 early course schizophrenia patients treated for 18 months with either cognitive enhancement therapy (CET) or an Enriched Supportive Therapy (EST) control, and then followed-up at 1-year post-treatment.

The objective of this study is to evaluate the efficacy and safety of RP5063 relative to placebo for the treatment of schizophrenia or schizoaffective disorder.

The AGES-CM consortium aims to study the interaction between the polymorphisms of the candidate genes related with neurodevelopment, neurotransmission, brain progressive changes, cognitive functioning and stressful life events (prospective- and retrospectively assessed) and the association of the interactions with structural and functional brain measures, neuropsychological performance, biochemical and oxidative status in both in patients and controls. The investigators study aimed to examine the effectiveness of a parallel, structured, and specific psychoeducational group intervention (PE) for adolescent patients and their families by comparing it with treatment as usual).

24 individuals with schizophrenia or schizoaffective disorders, who are currently considered stable, will be recruited, screened for entry criteria into a blinded study with a 4-week randomization to either lurasidone, haloperidol, or perphenazine to examine glutamate-related outcomes with lurasidone as compared to haloperidol and perphenazine.

This study proposes to examine the application of rTMS for the treatment of cognitive dysfunction in FEP. This is an important population for study because if effective, rTMS may represent a preventative treatment for the development of social and vocational impairment that is associated with cognitive dysfunction in schizophrenia. This study will also seek to refine the understanding of the brain circuitry that mediates the potential pro-cognitive effects of rTMS through the use of functional magnetic resonance imaging (fMRI) at baseline and following the course of rTMS administration.

The purpose of the study is optimising current treatments in schizophrenia and explore novel therapeutic options for schizophrenia. The study intends to both address basic, but so far unanswered, questions in the treatment of schizophrenia and develop new interventions. It is expected that the project will lead to evidence that is directly applicable to treatment guidelines, and will identify potential mechanisms for new drug development.