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 is testing the long-term safety of a daily pill called OLZ/SAM (olanzapine plus samidorphan) in 236 teenagers with schizophrenia or bipolar I disorder. Participants have already completed a previous study with the same drug. The goal is to see if the drug is safe and t…

This early-stage trial evaluates an experimental oral drug called VV119, which is being developed for schizophrenia. The study enrolls healthy volunteers to receive a single dose of VV119 or a placebo, with some participants taking it with food to see if meals affect how the drug…

This study tests whether a prebiotic supplement (Prebiotin®) can reduce inflammation and improve thinking in people with schizophrenia or schizoaffective disorder. Sixty adults aged 18-60 who are stable on antipsychotics will take the prebiotic or a placebo for 12 weeks. Research…

This trial compares two group-based education programs for people with serious mental illness who also have chronic physical conditions like diabetes or heart disease. One program, Integrated Illness Management and Recovery (I-IMR), covers both mental and physical health self-man…

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 study tests whether daily phone reminders can help people with schizophrenia or schizoaffective disorder remember to take their medication. 104 participants will receive repeated cues on their mobile phones for 30 days. The goal is to see if this improves medication adherenc…

This study looks at whether adding topiramate (a seizure medication) to clozapine can help with weight loss and improve symptoms in people with treatment-resistant schizophrenia or schizoaffective disorder. About 50 overweight or obese adults aged 17-59 who are already on clozapi…

This study tests whether semaglutide, a drug used for diabetes and weight loss, can help people with schizophrenia who are overweight or obese and did not lose weight on metformin. About 92 participants will receive either semaglutide or a placebo. The main goal is to see if sema…

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 study aimed to test whether electronic cigarettes could help people with schizophrenia quit or reduce smoking. It planned to enroll smokers with schizophrenia from Sicily and compare e-cigarettes with nicotine, without nicotine, and a nicotine-free inhaler. However, the tria…

This study tests whether adding a new recovery-focused psychotherapy program (RECOVERYTRSGR or RECOVERYTRSBDGR) to standard medication can improve thinking, symptoms, and daily function in people with treatment-resistant schizophrenia or bipolar disorder. About 84 adults aged 18–…

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 whether a combination of dasatinib and quercetin, two drugs that clear out aging cells, can safely slow down accelerated aging in older adults with treatment-resistant depression or schizophrenia. Forty participants aged 50 and older will take the drugs and be mo…

This study tests whether offering financial rewards can help people with schizophrenia, bipolar disorder, or substance use disorder stick to their long-acting injectable medication after being forced into the hospital. About 1,000 participants will be randomly assigned to receive…

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 was designed to test whether a program called Lifestyle MIND can help people with serious mental illness (like schizophrenia or bipolar disorder) prevent or manage type 2 diabetes. The program includes group exercise and health classes twice a week for 10 weeks. Howeve…

This phase II trial tests whether cannabidiol (CBD) capsules, added to standard antipsychotic medication, can help people with early schizophrenia recover better and stay on treatment longer. 180 participants receive either CBD or placebo for 26 weeks. The goal is to see if CBD i…

This study compares cannabidiol (CBD) to the standard antipsychotic risperidone in 64 adults with schizophrenia or related psychotic disorders who have used cannabis. The goal is to see if CBD can reduce psychotic symptoms and help people stop or cut down cannabis use. Participan…

This program monitors 4000 people with schizophrenia who receive Zyprexa Relprevv, a long-acting injection. The goal is to track and reduce the risk of a rare but serious reaction called post-injection delirium/sedation syndrome (PDSS). Researchers will record how often PDSS happ…

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 small pilot study tests a behavioral therapy called PICASSO, designed to help young adults (ages 16-30) with early psychosis who have shown violent behavior. The therapy uses cognitive behavioral techniques to address anger and violence. The study will check if the therapy i…

This study explores whether people with schizophrenia resist the sedating effects of antipsychotic drugs like ziprasidone and olanzapine. Researchers give a single dose to both patients and healthy volunteers, then measure sleepiness, reflexes, and brain activity using EEG. If pa…

This study explores whether eye-tracking technology in a virtual reality headset can help identify schizophrenia, bipolar disorder, and depression. Researchers will compare eye movement patterns of 120 participants (including healthy controls) to find specific markers for each co…

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 involves 60 young people at high risk for psychosis. They receive a stepped series of psychological treatments, starting with the least intensive options like group support, and moving to more intensive therapy if needed. The goal is to prevent the development of psych…

This phase 2 trial tests whether adding oxytocin nasal spray to standard psychosocial treatment can improve social skills and reduce symptoms in adults with schizophrenia spectrum disorders. Participants receive either oxytocin or a placebo spray alongside their usual therapy. Th…

This study tests a group version of the Feeling Safe Programme, a type of cognitive behavioral therapy for people with schizophrenia or schizoaffective disorder. The goal is to reduce distressing symptoms like paranoia and hallucinations and improve quality of life. Fifty partici…

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 trial investigates whether combining two types of brain stimulation—intermittent theta burst stimulation (iTBS) and high-definition transcranial direct current stimulation (HD-tDCS)—can reduce negative symptoms of schizophrenia, such as lack of motivation, social withdrawal,…

This study tests a behavioral program called SWITCH that teaches people with serious mental illness (like depression, schizophrenia, or bipolar disorder) to set goals, use rewards, and build habits to do more activities outside the home. 52 participants will attend weekly online …

This study tests two 18-month talk therapy programs—Cognitive Enhancement Therapy and Enriched Supportive Therapy—for people with schizophrenia who have lasting negative symptoms like low motivation and social withdrawal. About 90 outpatients aged 18-60 will participate. The goal…

This study tests whether virtual reality (VR) brain exercises can help people with schizophrenia or bipolar disorder think more clearly and function better in daily life. 80 adults will either receive VR training twice a week for 12 weeks or continue their usual care. Researchers…

This study tests a therapy called RETELL that helps people with severe mental illness explore and reshape their life stories. The goal is to improve personal recovery, quality of life, and identity. Twenty adults with conditions like schizophrenia, bipolar disorder, or PTSD will …

This study tests whether a more targeted form of transcranial magnetic stimulation (TMS) can help people with schizophrenia whose symptoms don't improve with medication. The treatment uses each patient's own brain wave frequency (alpha rhythm) and MRI scans to precisely stimulate…

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 small pilot study tests whether adding brain-wave feedback (EEG) to virtual reality therapy helps people with schizophrenia better tolerate and reduce distressing auditory hallucinations. Thirty adults with schizophrenia who hear voices will receive either VR therapy alone o…

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 planned to test a type of brain stimulation called intermittent theta burst stimulation on the precuneus area in people with resistant schizophrenia who had experienced childhood trauma. The goal was to see if it could reduce symptoms better than a placebo. However, th…

This study aimed to see if high-dose DHA (an omega-3 fatty acid) could reduce involuntary movements in people with tardive dyskinesia, a side effect of long-term antipsychotic medication. It planned to enroll 40 adults aged 30-75 with schizophrenia and tardive dyskinesia, giving …

This study tests whether D-serine, a natural brain chemical, can improve learning and memory in people with schizophrenia. Participants take D-serine or a placebo for 16 weeks while doing auditory training exercises. The goal is to see if D-serine helps the brain adapt and learn …

This study tests whether an accelerated schedule of transcranial magnetic stimulation (TMS) is safe and effective for treating symptoms of psychotic disorders like schizophrenia. About 20 adults aged 18-65 with schizophrenia, schizoaffective disorder, or at high risk for psychosi…

This study tests a new drug called NS-136 to see if it can ease schizophrenia symptoms. About 150 adults with schizophrenia will take either a low dose, a high dose, or a placebo pill daily for 5 weeks. Researchers will measure changes in symptom scores to check if the drug works…

This pilot study tests whether low-intensity focused ultrasound, guided by MRI, can safely and feasibly target a deep brain region (the thalamus) in people with treatment-resistant schizophrenia. Only 3 participants were planned, and the study is currently suspended. The goal is …

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 whether adding group mindfulness-based therapy to usual treatment helps people with serious mental illnesses like schizophrenia, bipolar disorder, or major depression. Researchers will randomly assign 160 patients to either usual care alone or usual care plus min…

This phase 2 study tests whether SPG302, a small synthetic molecule, can safely reduce schizophrenia symptoms in adults. 32 participants will receive either the drug or a placebo. Researchers will measure symptom severity, brain activity, and eye tracking to see if the drug works…

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 whether berberine, a natural compound, can safely improve negative symptoms of schizophrenia—like low motivation and emotion—that current medications often miss. Researchers will give berberine or a placebo to 120 Han Chinese adults with stable schizophrenia and …

This study aimed to see if a dissolvable film placed under the tongue could quickly calm agitation in people with bipolar disorder or schizophrenia who come to the emergency room. The drug, BXCL501, is already approved for this use, but the study wanted to test it in the ER setti…

This study looks at whether acupuncture can help people with schizophrenia feel better by reducing side effects from their medication and improving psychiatric symptoms. About 100 participants will receive acupuncture twice a week for four weeks. Researchers will measure anxiety,…

This study tests whether a mild electrical current applied to the scalp (tDCS) before computer-based cognitive training can improve thinking skills like memory and attention in people with schizophrenia. 120 adults aged 18-65 will receive either real or fake tDCS for 20 minutes, …

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 ketogenic diet—low in carbs, high in fat—can reduce symptoms in people with schizophrenia or schizoaffective disorder. Fifty adults will be randomly assigned to either the ketogenic diet or a regular diet for several weeks. Researchers will measure chan…

This study tests a smartphone app called CT-155 designed to help people with schizophrenia manage negative symptoms like low motivation and reduced pleasure. About 262 adults with schizophrenia will use the app for 16 weeks, with an optional extension. Researchers will track symp…

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 tests whether a non-invasive brain stimulation technique called repetitive transcranial magnetic stimulation (rTMS) can help reduce negative symptoms of schizophrenia, such as lack of motivation, social withdrawal, and reduced emotional expression. Researchers are comp…

This study tests an individual empowerment program for primary caregivers of people with schizophrenia. The program includes six training sessions to help caregivers cope better. Researchers will measure whether it reduces care burden and improves psychological well-being and sel…

This study tests whether a type of brain stimulation called cTBS can improve thinking and memory in people with schizophrenia. Forty participants will receive targeted stimulation to a brain network linked to daydreaming and self-focus. The goal is to see if this changes brain ac…

This study uses MRI scans to look at the brains of children and adults with conditions like ADHD, autism, schizophrenia, and endocrine disorders, as well as healthy volunteers. Researchers aim to compare brain anatomy and function across different groups and ages. The goal is to …

This study uses health records from about 100,000 people in Israel to see if past viral infections (like Epstein-Barr, COVID-19, or herpes) increase the risk of developing mental illnesses such as depression, anxiety, bipolar disorder, or schizophrenia. It also looks at whether i…

This study investigates whether a protein called DISC1, known for its role in schizophrenia, is also linked to heart function in people with the condition. Researchers will measure DISC1 levels in blood and use heart imaging (echocardiograms, cardiac MRI, and ECGs) to assess hear…

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 uses brain scans and behavioral data from 267 adults (80 with autism, 79 with schizophrenia, and 108 healthy controls) to explore shared brain activity patterns related to social thinking. No new treatments are given; researchers analyze existing data to understand how…

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 explores whether playing quiet sounds during a nap can help normalize brain activity and improve memory in people with schizophrenia. Researchers will compare memory and sleep patterns in 70 participants (healthy controls and schizophrenia patients) under two condition…

This study looks at health records and insurance claims from nearly 7,000 adults in the U.S. who take KarXT for schizophrenia. Researchers want to understand who gets the drug, how it's used, and how often people need hospital visits. The goal is to see how the medication works i…

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 planned to use a gentle brain stimulation technique called tDCS to see if it could help people with schizophrenia who have negative symptoms (like lack of motivation or emotion). Researchers wanted to use brain scans to understand how it works. However, the study was w…

This study looks at how things like social support, income, and health habits are linked to mental health and brain diseases such as depression, Alzheimer's, and Parkinson's. Researchers will collect surveys, blood samples, and optional brain scans from over 1,300 adults in Europ…

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 tests a brain stimulation technique called paired associative stimulation (PAS) using transcranial magnetic stimulation (TMS) in 72 adults with schizophrenia. The goal is to see if daily sessions over two weeks can improve working memory, as measured by a letter-matchi…

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 analyzing blood samples from 1,799 people with Alzheimer's, dementia, depression, bipolar disorder, schizophrenia, or Parkinson's disease. Researchers want to see if certain substances in the blood can help doctors diagnose and manage these conditions more accuratel…

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 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 400 people with schizophrenia who took part in an earlier clinical trial. Researchers want to see how their health and daily lives change over 3 to 10 years. The goal is to learn what factors affect hospital stays and social functioning, without offering any ne…

This study looks at how a specific brain chemical pathway (tryptophan-kynurenine) relates to thinking and memory problems in people with schizophrenia. Researchers will measure blood levels of these chemicals and assess cognitive function in 200 participants, including healthy vo…

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 study looks at whether brain wave patterns recorded during and after electroconvulsive therapy (ECT) can predict how much depression symptoms improve. About 31 adults with treatment-resistant depression will have their brain activity measured with a wearable EEG device. The …

This early-stage trial is testing how eating food changes the way the body absorbs a new experimental drug called LY03020. The drug is being developed for schizophrenia and psychosis related to Alzheimer's disease. Sixteen healthy volunteers will take the drug once with food and …

This study looks at brain tissue and lab-grown nerve cells from people with schizophrenia, depression, bipolar disorder, frontotemporal dementia, and Alzheimer's. Researchers want to find out how problems with synapses—the connections between brain cells—differ in these condition…

This study was designed to observe how doctors choose medications for people with schizophrenia who have committed violent crimes. It planned to track changes in symptoms and aggressive behavior over time. However, the study was withdrawn before enrolling any participants, so no …

This study was designed to track stress in real time by measuring things like heart rate, sweat, and temperature, along with how people feel. It planned to include both healthy volunteers and people with psychiatric disorders to find better ways to diagnose stress-related problem…

This study tests whether adding executive function training to cognitive-behavioral social skills training helps older adults (60+) with schizophrenia learn skills better and improve daily living. About 49 participants will take part. The goal is to see if the combined approach i…

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…

This study observes the safety of ADASUVE (loxapine inhalation) in up to 10,000 adults with agitation from schizophrenia or bipolar I disorder. It tracks side effects in real-world emergency or inpatient settings. The study is observational, meaning no new treatment is given—just…

This study looks at whether adding cognitive remediation (computer-based brain exercises with group coaching) to standard care helps young people with early psychosis function better in daily life. About 117 participants from nine OnTrackNY programs will either get usual care or …