| The National Danish Schizophrenia Project (NCT00221585) | University of Copenhagen | 1997-10-01 |
| Treatment of Childhood Onset Psychiatric Disorders With Intravenous Immunoglobulin (IVIg) (NCT00001768) | National Institute of Mental Health (NIMH) | 1997-10-01 |
| Relapse Prevention in First Episode Schizophrenia: a 5 Year Trial (NCT01936220) | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | 1997-09-01 |
| Comparison of Clozapine vs Olanzapine in Childhood-Onset Psychotic Disorders (NCT00001656) | National Institute of Mental Health (NIMH) | 1997-06-01 |
| Quetiapine vs Haloperidol Decanoate for the Long Term Treatment of Schizophrenia and Schizoaffective Disorder (NCT00018642) | US Department of Veterans Affairs | 1997-04-01 |
| Trial of D-Cycloserine in Schizophrenia (NCT00000371) | Massachusetts General Hospital | 1996-08-01 |
| A Comparison of Risperidone With Haloperidol in Patients With Schizophrenia and Schizoaffective Disorder (NCT00253110) | Janssen, LP | 1996-05-01 |
| Genetic Aspects of Neurologic and Psychiatric Disorders (NCT00001544) | National Institute of Mental Health (NIMH) | 1996-04-01 |
| Clozapine Versus Haloperidol for Treating the First Episode of Schizophrenia (NCT00169091) | Harvard Medical School (HMS and HSDM) | 1996-03-01 |
| Genetic Study of Schizophrenia (NCT00001486) | National Institute of Mental Health (NIMH) | 1995-07-15 |
| Clozapine Versus Chlorpromazine for Treatment-Unresponsive Schizophrenia (NCT00169039) | Harvard Medical School (HMS and HSDM) | 1994-12-01 |
| Studies of Frontal Lobe Brain Functioning in Schizophrenia (NCT00001258) | National Institute of Mental Health (NIMH) | 1993-11-26 |
| Continued Early Intervention for Recent-onset Schizophrenia (NCT00184509) | Norwegian University of Science and Technology | 1993-02-01 |
| Neuropsychiatric Evaluation of Healthy Volunteers and Adults With Schizophrenia (NCT00001323) | National Institute of Mental Health (NIMH) | 1992-08-01 |
| Neuroimaging of Dopamine Metabolism in Normal and Psychiatric Patients (NCT00001320) | National Institute of Mental Health (NIMH) | 1991-10-01 |
| Brain Imaging of Childhood Onset Psychiatric Disorders, Endocrine Disorders and Healthy Volunteers (NCT00001246) | National Institute of Mental Health (NIMH) | 1990-06-19 |
| Brain Tissue Collection for Neuropathological Studies (NCT00001260) | National Institute of Mental Health (NIMH) | 1990-05-29 |
| Inpatient Evaluation of Adults With Schizophrenia (NCT00001247) | National Institute of Mental Health (NIMH) | 1989-09-15 |
| Evaluating Genetic Risk Factors for Childhood-Onset Schizophrenia (NCT00001198) | National Institute of Mental Health (NIMH) | 1984-03-19 |
| Neuropsychological Evaluation of Psychiatric and Neurological Patients (NCT00001192) | National Institute of Mental Health (NIMH) | 1983-10-18 |
| Improving Health Services for Veterans With Schizophrenia (NCT00012961) | US Department of Veterans Affairs | |
| NRX-1074 in Early Course Schizophrenia (NCT02603458) | NYU Langone Health | |
| A Combination of Two Currently Approved Drugs to Enhance the Treatment of Schizophrenia (NCT00089869) | Eli Lilly and Company | |
| A Study of the Effectiveness and Safety of Risperidone Compared With Haloperidol in Patients With Chronic Schizophrenia (NCT00249119) | Janssen, LP | |
| Effectiveness of Atypical Versus Conventional Antipsychotics in Treating Schizophrenia (NCT00237861) | Yale University | |
| A Study of How Long it Takes a Patient to Relapse After Switching From an Oral Antipsychotic to One of Two Doses of Long-acting Risperidone Injections in Patients With Schizophrenia or Schizoaffective Disorder (NCT00297388) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | |
| Psychiatric Day Hospital Treatment (NCT00153959) | Technische Universität Dresden | |
| Chronic Schizophrenia With Obsessive-Compulsive Symptoms: Comorbidity or a Subtype? (NCT00269464) | Sheba Medical Center | |
| Prevalence of Diabetes Mellitus Among Patients Treated With Atypical and Conventional Antipsychotics (NCT00224276) | Yale University | |
| Evaluation of the Usefulness to Doctors of the Risperdal Consta Treatment Guidebook Over a Three-month Period During Which Adult Patients With Schizophrenia or Schizoaffective Disorder Are Switching From Daily Doses or Risperidone Tablets to Long-acting Risperidone by Injection (NCT00236548) | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | |
| Association Between Schizophrenia and Cancer (NCT00419016) | Sheba Medical Center | |
| Clozapine IM and Aggression in Schizophrenic Patients (NCT00189995) | Beersheva Mental Health Center | |
| Pharmacokinetic Characterization of Intramuscular Olanzapine Depot (NCT00094640) | Eli Lilly and Company | |
| The Impact of Quetiapine on the Drug Abuse Patterns of Addicted Schizophrenic Patients (NCT00295412) | Université de Montréal | |
| A Study of the Effectiveness and Safety of Risperidone Compared With Haloperidol and Placebo in Patients With Chronic Schizophrenia (NCT00249132) | Janssen, LP | |
| Glucose Regulation During Risperidone and Olanzapine Treatment (NCT00006195) | National Center for Research Resources (NCRR) | |
| Bexarotene and Fenretinide as Addition to Antipsychotic Treatment in Schizophrenia Patients (NCT00534898) | Beersheva Mental Health Center | |
| D-Serine Monotherapy for Schizophrenia (NCT00215917) | Herzog Hospital | |
| A Study of the Effects of Risperidone and Olanzapine on Blood Glucose (Sugar) in Patients With Schizophrenia or Schizoaffective Disorder (NCT00236379) | Janssen, LP | |
| Steady State Bioequivalence Study of Torrent Pharmaceuticals Ltd's Bioequivalence Study of Torrent Pharmaceuticals Ltd's Quetiapine Tablets (NCT01634373) | Torrent Pharmaceuticals Limited | |
| A Multi-Site Study of Strategies for Implementing Schizophrenia Guidelines (NCT00013000) | US Department of Veterans Affairs | |
| A 2-year Study of Patients With Schizophrenia Who Are Treated With Long-acting Injectable Risperidone. (NCT00261430) | Janssen, LP | |