| Not Yet Recruiting | Cognitive Strategies in Early Psychosis 2 NCT07263022 | University of Minnesota | Phase 3 |
| Recruiting | Changing Lives and Changing Outcomes-9 at Worcester Recovery Center and Hospital NCT07359157 | Massachusetts General Hospital | N/A |
| Recruiting | Speech-based Assessment of Relapse Risk in People With Psychosis NCT07397975 | Philipp Homan | — |
| Recruiting | Brain Stimulation to the Hippocampus in Schizophrenia NCT07010614 | Stanford University | N/A |
| Recruiting | Deprescribing Antipsychotics: a Multiple Case Study NCT07343193 | University Hospital, Strasbourg, France | — |
| Completed | Arts-based Social Prescribing for Mental Health NCT07137572 | KAVADIA ELENI | N/A |
| Recruiting | Randomized Clinical Trial of iTEST: A Blended Intervention Targeting Introspective Accuracy NCT07098169 | University of California, San Diego | N/A |
| Completed | The Effectiveness of Forest Therapy on Psychotic Patients: Focusing on Changes in Inflammatory Pathways and Th NCT07436481 | Natalia Dewi Wardani, MD | N/A |
| Active Not Recruiting | Effect of Melatonin on Schizophrenic Symptoms: a Randomized Placebo-Controlled Trial NCT06838104 | Lahore General Hospital | N/A |
| Recruiting | Effects of a Long-term Exercise Training Program on the Functional Capacity and Health-related Quality of Life NCT07113119 | Aristotle University Of Thessaloniki | N/A |
| Recruiting | Psychotropic-Drug-induced QT Prolongation and ECG Monitoring in the Pediatric Population NCT06870006 | Meyer Children's Hospital IRCCS | — |
| Not Yet Recruiting | tDCS for Cognitive Impairment Associated With Recent-onset Schizophrenia NCT05440955 | University Hospital, Grenoble | N/A |
| Unknown | Delusion Ideation in the Context of Everyday Life NCT06207526 | Charite University, Berlin, Germany | N/A |
| Unknown | The Impact of Gaming on Functioning Among People With Schizophrenia NCT05707689 | University of Turku | N/A |
| Recruiting | Study of Self-Recognition and Self/Other Distinction Disorders in Patients With Psychological Vulnerability NCT04945278 | University Hospital, Brest | N/A |
| Terminated | The Effect of D-serine as add-on Therapy in Recent-onset Psychosis NCT04140773 | Dragos Inta | N/A |
| Completed | A Cannabis Harm Reduction e-Intervention for Young Cannabis Users With Early Psychosis NCT04968275 | Centre hospitalier de l'Université de Montréal (CHUM) | N/A |
| Unknown | Treating Early Stages With an Intervention Targeting Cognitive Reserve NCT05288049 | Hospital Clinic of Barcelona | N/A |
| Completed | Mobile After-Care Support App: Pilot RCT NCT03955250 | Butler Hospital | N/A |
| Completed | Mindfulness-Based Family Psychoeducation Intervention for Early Psychosis NCT03688009 | The Hong Kong Polytechnic University | N/A |
| Completed | Peer Support for Exercise in Older Veterans With Psychotic Disorders NCT02958007 | VA Office of Research and Development | N/A |
| Terminated | Mindfulness-based Group Therapy for Inpatients With Schizophrenia Spectrum Disorders NCT03671005 | Charite University, Berlin, Germany | N/A |
| Unknown | Gut Microbiome in AP Naive NCT03414151 | Centre for Addiction and Mental Health | — |
| Completed | Thinking Skills at Work: Cognitive Remediation Therapy for Patients With Serious Mental Illness NCT03483701 | Fraser Health | N/A |
| Completed | Well Being And Resilience: Mechanisms of Transmission of Health and Risk NCT02306551 | Susanne Harder | — |
| Completed | Cannabis, Schizophrenia and Reward: Self-Medication and Agonist Treatment? NCT01964404 | Dartmouth-Hitchcock Medical Center | Phase 1 |
| Completed | The Effects of Progressive Muscle Relaxation Therapy in Patients With Schizophrenia NCT03667729 | Taipei Medical University | N/A |
| Completed | Critical Time Intervention-Task Shifting: Randomized Controlled Trial NCT01995864 | Columbia University | N/A |
| Withdrawn | The Role of Antidepressants or Antipsychotics in Preventing Psychosis NCT01724372 | St. Luke's-Roosevelt Hospital Center | N/A |
| Completed | Mental Health Engagement Network (MHEN) NCT01473550 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | N/A |
| Completed | Social Cognition and Interaction Training for Adults With Psychotic Disorders: An Open Pilot Study in Finland NCT02399020 | Helsinki University Central Hospital | N/A |
| Completed | Yoga and Aerobic Exercise in Psychosis NCT01207219 | The University of Hong Kong | N/A |
| Completed | Cannabis and Schizophrenia: Self-Medication and Agonist Treatment NCT00946348 | Dartmouth-Hitchcock Medical Center | Phase 1 |
| Completed | Minimizing Doses of Antipsychotic Medication in Older Patients With Schizophrenia. NCT00716755 | Centre for Addiction and Mental Health | N/A |
| Completed | Clozapine/Paliperidone Versus Clozapine/Placebo in Resistant Schizophrenia NCT01279213 | Universidad Nacional de Rosario | Phase 4 |
| Completed | Implementing Effective, Collaborative Care for Schizophrenia (EQUIP-2) NCT00137280 | VA Office of Research and Development | N/A |
| Completed | Multicomponent Risk Factor Intervention for People With a Severe Mental Illness: a Feasibility Study NCT00350311 | The University of New South Wales | Phase 2 |
| Completed | Evaluation of Effectiveness and Safety of Flexible-dose Paliperidone Extended Release in Patients With Schizoa NCT00412373 | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | Phase 3 |
| Completed | Evaluation of Effectiveness and Safety of Paliperidone Extended Release in Patients With Schizoaffective Disor NCT00397033 | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | Phase 3 |
| Completed | Study of Amantadine for Weight Stabilization During Olanzapine Treatment NCT00287352 | University of North Carolina, Chapel Hill | Phase 1 |
| Terminated | Efficacy of Galantamine to Treat Schizophrenia NCT00232349 | Seattle Institute for Biomedical and Clinical Research | Phase 4 |
| Completed | Three Year Follow up of a Randomised Controlled Trial (RCT) of an Intervention for Tobacco Dependence Among Th NCT00350493 | The University of New South Wales | — |
| Completed | Effects of Aripiprazole in Overweight Patients Treated With Olanzapine for Schizophrenia or Schizoaffective Di NCT00095524 | Otsuka Pharmaceutical Development & Commercialization, Inc. | Phase 3 |
| Completed | Efficacy of Quetiapine in the Treatment of Patients With Schizophrenia and a Comorbid Substance Use Disorder NCT00156715 | Dartmouth-Hitchcock Medical Center | Phase 4 |
| Completed | Reliability and Validity of the MINI International Neuropsychiatric Interview for Children and Adolescents (MI NCT00579267 | University of South Florida | — |
| Completed | Safety And Efficacy Study Of Ziprasidone In Pediatric Psychotic Illness NCT00199940 | Medical College of Wisconsin | Phase 4 |
| Terminated | Screening for Childhood-Onset Psychotic Disorders NCT00049738 | National Institute of Mental Health (NIMH) | — |
| Completed | Treatment of Schizophrenia and Comorbid Cannabis Use Disorder: Comparing Clozapine to Treatment-as-Usual NCT00498550 | Dartmouth-Hitchcock Medical Center | Phase 4 |
| Unknown | Evaluation of Programs of Coordinated Care and Disease Management NCT00627029 | Mathematica Policy Research, Inc. | N/A |
| Completed | Glycine to Treat Psychotic Disorders in Children NCT00005658 | National Institute of Mental Health (NIMH) | Phase 2 |
| Terminated | Alcoholism and Schizophrenia: Effects of Clozapine NCT00169026 | Dartmouth-Hitchcock Medical Center | Phase 4 |
| Completed | Comparison of Clozapine vs Olanzapine in Childhood-Onset Psychotic Disorders NCT00001656 | National Institute of Mental Health (NIMH) | Phase 4 |
| Completed | New Drugs in the Treatment of Mood Disorders NCT00001482 | National Institute of Mental Health (NIMH) | Phase 2 |
| Completed | A Study of the Effectiveness and Safety of Risperidone Compared With Haloperidol in Patients With Chronic Schi NCT00249119 | Janssen, LP | Phase 3 |