View clinical trials related to Schizophrenia.
Filter by:This study is open to adults with schizophrenia. Schizophrenia can affect the way a person thinks, their memory and their mental functioning. Examples include struggling to remember things, or to read a book or pay attention to a movie. Some people have difficulty calculating the right change or planning a trip so that they arrive on time. The purpose of this study is to find out whether a medicine called Iclepertin improves learning and memory in people with schizophrenia. Participants are put into two groups randomly, which means by chance. One group takes Iclepertin tablets and the other group takes placebo tablets. Placebo tablets look like Iclepertin tablets but do not contain any medicine. Participants take a tablet once a day for 26 weeks. In addition, all participants take their normal medication for schizophrenia. During this time, doctors regularly test learning and memory of the participants by use of questionnaires, interviews, and computer tests. The results of the mental ability tests are compared between the groups. Participants are in the study for about 8 months. During this time, they visit the study site about 15 times and get about 3 phone calls from the study team. The doctors also regularly check participants' health and take note of any unwanted effects.
This study is open to adults with schizophrenia. Schizophrenia can affect the way a person thinks, their memory and their mental functioning. Examples include struggling to remember things, or to read a book or pay attention to a movie. Some people have difficulty calculating the right change or planning a trip so that they arrive on time. The purpose of this study is to find out whether a medicine called Iclepertin improves learning and memory in people with schizophrenia. Participants are put into two groups randomly, which means by chance. One group takes Iclepertin tablets and the other group takes placebo tablets. Placebo tablets look like Iclepertin tablets but do not contain any medicine. Participants take a tablet once a day for 26 weeks. In addition, all participants take their normal medication for schizophrenia. During this time, doctors regularly test learning and memory of the participants by use of questionnaires, interviews, and computer tests. The results of the mental ability tests are compared between the groups. Participants are in the study for about 8 months and visit the study site about 14 times. During this time, doctors regularly check participants' health and take note of any unwanted effects.
This is a Phase 3, multicenter, 56-week, outpatient, open-label (OL) study to evaluate the long-term safety, tolerability, and efficacy of KarXT in de novo subjects with Diagnostic and Statistical Manual-Fifth Edition (DSM-5) schizophrenia. In this OL study, all subjects will receive KarXT (a fixed combination of xanomeline 125 mg and trospium chloride 30 mg twice daily [BID]) for up to 52 weeks. The primary objective of the study is to assess the long-term safety and tolerability of KarXT in subjects with a DSM-5 diagnosis of schizophrenia. The secondary objective of this study is to assess the long-term efficacy and characterize the pharmacokinetics of xanomeline and trospium after administration of KarXT.
The purpose of this study is to examine how Bayesian belief updating changes throughout psychotherapeutic treatment for persecutory delusions. Specifically, individuals with a psychotic disorder diagnosis who endorse both a current persecutory delusion with strong conviction and significant worry will be recruited and randomized to receive either a CBT-based worry intervention for persecutory delusions or an active control condition (befriending therapy). The investigators will examine: 1) whether belief updating parameters change as delusion severity changes, 2) whether CBT contributes to greater change in belief updating parameters than befriending therapy, and 3) whether neural correlates of belief updating parameters, as measured using functional magnetic resonance imaging (fMRI), predict treatment response.
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.
Interventional study using Cannabidiol containing cigarettes as replacement of usual cigarettes Reduction of enforcement measures, improved acute treatment, harm reduction, and improvement of psychotic symptoms
The purpose of this study is to evaluate the efficacy and safety of MK-8189 at a range of doses (8 mg, 16 mg, and 24 mg once daily) in adult participants who have an acute episode of schizophrenia according to Diagnostic and Statistical Manual of Mental Disorders 5th Edition (DSM-5) criteria. The primary hypotheses are the following: (1) MK-8189 24 mg is superior to placebo in reducing the Week 6 mean change from baseline in Positive and Negative Syndrome Scale (PANSS) total score (2) MK-8189 16 mg is superior to placebo in reducing the Week 6 mean change from baseline in PANSS total score. With Amendment 4, enrollment was changed to approximately 500 participants with removal of the MK-8189 8 mg treatment arm. Participants enrolled before Amendment 4 that have been assigned to 8 mg MK-8189 will remain on 8 mg MK-8189 per protocol.
The primary aim of this study is to provide confirmation that Cognitive Remediation (CR) for schizophrenia, when personalized based on pre-treatment assessment of early auditory processing ability, facilitates improved cognitive and functional outcomes. Additional aims of this study address the mechanisms of treatment effect. The study uses a repeated-measures randomized trial design. Enrollment will be by invitation, open to individuals receiving services at select community behavioral health facilities where CR is offered. Clients who are eligible for the service, who agree to participate in research and who meet inclusion/exclusion criteria will be assessed on outcome measures and categorized via performance on the Tone Matching (TM) test, as EAP impaired (EAP-) or EAP intact (EAP+). Subsequently, EAP- and EAP+ subgroups will be randomized to either (1) Brain Basics (BB; n = 100), an EAP-enhanced CR approach or (2) Brain Training (BT; n = 100), a routine CR approach. Participants will be invited to participate in a second pre-treatment assessment to measure electrophysiologic responses to auditory stimuli. All participants will be scheduled to repeat outcome measure assessments after treatment and after a follow-up period. The EAP- group receiving BB will be invited to repeat electrophysiological paradigms post-treatment to investigate mechanisms of change related to the CR intervention. Verbal learning will be the primary outcome with functional capacity the secondary outcome. EEG is exploratory and will examine neurophysiologic markers of need for and response to EAP training.
To evaluate the efficacy and safety of adjunctive pimavanserin compared with adjunctive placebo in the treatment of negative symptoms of schizophrenia
The microbiota plays a vital role in the two-way communication between the gastrointestinal tract and the central nervous system (CNS), articulated as the microbiota-intestine-brain axis. This function provides sufficient evidence to establish a causal relationship between numerous neuropsychiatric disorders, such as schizophrenia. Besides, the microbiota modulation through the dietary pattern is related to the improvement of the physical and psychopathological health of patients. In this sense, the use of psychobiotics (prebiotics and probiotics with nutraceutical action) highlights. This research will be aimed to test the efficacy of prebiotic dietary modulation in patients diagnosed with schizophrenia, attending to the impact in nutritional and cardio-metabolic conditions. In this sense, two-arms, double-blind, randomized in balanced blocks clinical trial of six months of intervention, will be developed in a group of 50 individuals (25 for the intervention group (IG) and 25 for the control group). First, an initial group session will be held to present the purpose of the research, as well as each of the relevant aspects during its development. Similarly, certain focus groups will be established periodically to redefine and guide the improvement of the development of the investigation, ensuring adequate compliance with the study after the implementation of the diet and nutrition education program. The dietary education will be designed and supervised by qualified personnel with recognized competencies for this type of intervention (nurses and dietitians). The CG will be made up of those participants who receive conventional dietary advice individually in serial consultations. On the other hand, in the IG, this intervention will be characterized by the establishment of an individual program of dietetic-nutritional education with high prebiotic and probiotic content. During the development of the study, data will be collected on the psychopathological state (PANSS and PSP scales), and blood test (hemogram, lipid profile, etc.). Measures will be taken at the beginning (basal), at three and six months. The estimation of intestinal microbiota and the usual nutritional pattern will also be assessed at the beginning and six months, using a stool test and a validated Food Frequency Questionnaire (FFQ), respectively. To evaluate the degree of adherence, participants in the IG will fill a specific weekly record of the main dishes/food consumed. At least, anthropometric parameters will also be analyzed monthly (BMI, blood pressure, heart rate, abdominal perimeter).