Psychotic disorder

This 12-week study is for people who completed a previous trial of the ketogenic diet for first-episode bipolar disorder. Researchers want to see if the diet can improve symptoms like depression, mania, and psychosis, as well as brain energy metabolism and insulin resistance. Abo…

This study tests whether a 12-week mobile program can improve cognitive function and motivation in people aged 15–40 who have had psychosis symptoms for less than five years. Participants will either use the mobile training or continue their usual care, and researchers will compa…

This phase 2 trial tests whether a combination of intravenous immunoglobulin (IVIG) and rituximab can help people with psychosis caused by antibodies attacking the brain. 70 participants with acute psychosis and specific antibodies receive either the immunotherapy or a placebo. T…

This phase 2 trial tests whether rituximab, an anti-inflammatory drug used for conditions like multiple sclerosis, can improve symptoms in adults with schizophrenia spectrum disorders. About 123 participants aged 18-55 will receive rituximab or a placebo added to their usual trea…

This study tests a peer-facilitated program (Peer-RESIM) for adults who have had a first episode of psychosis. The program includes 10 sessions over 4 months, led by trained peer support workers, to help participants improve self-care and recovery. Researchers will compare this t…

This study tests a 10-session program called AIM-AT, which uses acceptance-based techniques to help people with recent-onset psychosis better understand their illness and stick to their medication. The trial involves 126 participants in Hong Kong and tracks their medication adher…

This study tests a family-focused therapy for 220 youth aged 13-25 who show early signs of psychosis risk. The therapy aims to reduce symptoms and prevent the development of full psychosis over 18 months. Participants receive either the family therapy or a comparison treatment, w…

This study is testing whether artificial intelligence can analyze a person's speech to help diagnose mental health conditions like depression, anxiety, autism, and schizophrenia. Researchers will record 500 people speaking and compare the AI's predictions to standard clinical dia…

This study tests whether sulforaphane, a compound found in broccoli, can prevent psychosis in 300 people at high risk. Participants take either sulforaphane or a placebo daily for a year, then are followed for another year. The main goal is to see if fewer people in the sulforaph…

This study tests whether a 12-week mobile app program can improve thinking skills and motivation in people with early psychosis. About 400 participants already receiving coordinated specialty care will either use the app or continue standard care. Researchers will track changes i…

This study tests whether a virtual reality program that teaches mindfulness, self-compassion, and understanding others can help people with mood, anxiety, or psychotic disorders feel more at ease in social situations. Researchers are enrolling 174 college students and healthcare …

This study aimed to see if trazodone works better than quetiapine or a placebo for treating confusion (delirium) in adult surgical ICU patients. It planned to measure how long delirium lasts, sleep quality, and side effects. However, the study was withdrawn before enrolling any p…

This study tests whether a type of talk therapy called Cognitive Behavioral Therapy for Insomnia (CBT-I) can improve sleep and daily functioning in veterans who have both psychosis and insomnia. About 152 veterans are taking part. The goal is to see if better sleep leads to bette…

This study tests a 15-session creative writing program called REWRITALIZE for people with serious mental illnesses like schizophrenia, bipolar disorder, or severe depression. About 300 adults will either join the writing groups plus their usual care, or stay on a waiting list wit…

This study tests a therapy called imagery rescripting in 8 people with early psychosis. Participants imagine a different, more positive outcome to their traumatic memories. The goal is to see if this improves core beliefs, wellbeing, and self-esteem. It is a very small, early-pha…

This study tests whether a combined aerobic and strength training program is feasible for adults with psychotic disorders. Forty participants will exercise for about an hour per session. Researchers will measure how many complete the program and track changes in fitness and stren…

This study uses a noninvasive brain stimulation technique called TMS, combined with brain scans, to understand working memory problems in people with early psychosis. Twenty participants will receive both active and placebo TMS to see how it affects brain activity and memory perf…

This study is creating a learning healthcare system for OnTrackNY, a program that helps young people (ages 16-30) who have recently experienced psychosis. Researchers will collect data and feedback from participants, families, and clinicians to continuously improve care. The goal…

This study follows 600 mentally ill offenders in Italy and California over three years to compare two very different treatment systems. Italy uses community-based care, while California relies on long-term hospital stays. Researchers will track violence, recovery, and functioning…

This study looks at how gut bacteria change when young people (ages 12-35) with psychosis start taking antipsychotic medication. Researchers want to see if these changes are linked to weight gain and other metabolic problems. Participants provide stool and blood samples over 12 w…

This study at Yale University looks at how THC, the active ingredient in cannabis, affects short-term and long-term memory. Researchers will give 80 adults who have used cannabis before either a low dose of THC or a placebo and then test their memory. The goal is to better unders…

This study adapts a program called Youth-Nominated Support Team (YST) for suicidal adolescents who are at high risk for psychosis. The goal is to see if having a personally chosen support team helps these teens feel more connected, hopeful, and engaged in treatment. About 70 part…

This study was designed to measure body temperature patterns in people with first-episode psychosis compared to healthy individuals. Researchers wanted to see if temperature differences relate to psychotic symptoms. However, the study was withdrawn before enrolling any participan…

This study is collecting DNA, brain scans, and other biological samples from 2,000 people with major depression, bipolar disorder, or psychotic disorders, as well as healthy volunteers. The goal is to better understand the physical and genetic factors behind these conditions, whi…

This study follows 156 people experiencing their first episode of psychosis who have never taken antipsychotic medication. Participants receive standard treatment with risperidone or aripiprazole and undergo brain scans four times over 32 weeks. The goal is to identify brain diff…

This observational study is collecting data from 2,617 young people (ages 12-30) at clinical high risk for psychosis, plus healthy controls, across 13 countries. Researchers will use clinical assessments, cognitive tests, and biomarkers to build algorithms that predict who will r…