| Recruiting | Non-invasive Brain Stimulation Using Tdcs of the Third (of Many) Visual Pathways SCHIZOPHRENIA 1 (Disorder), Schizo Affective Disorder | N/A | 2026-02-01 |
| Withdrawn | Sodium Butyrate For Improving Cognitive Function In Schizophrenia Schizophrenic Disorders, Cognitive Function | Phase 2 / Phase 3 | 2016-04-01 |
| Completed | D-serine and Cognitive Remediation in Schizophrenia Schizophrenia | Phase 2 | 2014-08-01 |
| Completed | Transcranial Direct Current Stimulation (tDCS) As A Treatment For Cigarette Craving and Cognitive Deficits in Schizophrenia, Cognition, Cigarette Smoking | N/A | 2012-04-01 |
| Unknown | N-methyl-D-aspartic Acid (NMDA) and Cognitive Remediation in Schizophrenia Schizophrenia, Schizoaffective Disorder | Phase 2 | 2012-03-01 |
| Completed | Biomarkers in Schizophrenia Schizophrenia, Schizoaffective Disorder | Phase 2 | 2009-06-01 |
| Completed | D-serine for the Schizophrenia Prodrome Schizophrenia Prodrome | Phase 2 | 2009-03-01 |
| Completed | Varenicline for Cognitive Deficits and Cigarette Smoking in Schizophrenia - Efficacy and Predictors Schizophrenia, Cigarette Smoking | Phase 4 | 2008-09-01 |
| Completed | Efficacy and Tolerability Study of Betahistine to Ameliorate Antipsychotic Associated Weight Gain Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder | Phase 2 | 2008-07-01 |
| Terminated | Metformin for Weight Loss in Schizophrenia Schizophrenia, Obesity | N/A | 2008-05-01 |
| Completed | Sodium Oxybate in Schizophrenia With Insomnia Schizophrenia, Insomnia Related to Schizophrenia (307.42) | Phase 2 | 2008-05-01 |
| Terminated | Conversion to Antipsychotic Monotherapy Schizophrenia, Schizoaffective Disorder | N/A | 2007-12-01 |
| Completed | Varenicline Effects In Schizophrenic Smokers Schizophrenia, Tobacco Use Disorder, Nicotine Dependance | Phase 4 | 2007-06-01 |
| Completed | Safety and Effectiveness of D-serine in Schizophrenia Schizophrenia | Phase 2 | 2006-03-01 |
| Completed | Pioglitazone as a Treatment for Lipid and Glucose Abnormalities In Patients With Schizophrenia Diabetes, Schizophrenia, Insulin Resistance | Phase 4 | 2005-05-01 |
| Completed | Effect of High-Dose B-Complex Vitamins on the Symptoms of Schizophrenia Schizophrenia, Schizoaffective Disorder | N/A | 2004-07-01 |
| Completed | Adjunctive Glycine for Obsessive Compulsive Disorder Obsessive Compulsive Disorder | N/A | 2004-06-01 |
| Completed | Comparative Effects of Chronic Treatment With Olanzapine and Risperidone on Glucose and Lipid Metabolism Schizophrenia, Diabetes, Metabolic Syndrome | Phase 4 | 2004-02-01 |
| Completed | Cognitive Skills Training Using Computer for Patients With Severe Mental Illness Schizophrenia, Schizoaffective Disorder | Phase 4 | 2003-02-01 |
| Completed | The Impact of Family CTI on Homeless Children Mental Health | N/A | 2002-07-01 |
| Completed | Lorazepam-Induced Toxicity in the Aged Anxiety Disorders, Generalized Anxiety Disorder | Phase 4 | 2000-12-01 |
| Completed | Risperidone Alone Vs. Risperidone Plus Valproate in the Treatment of Patients With Schizophrenia and Hostility Schizophrenia | Phase 4 | 1999-09-01 |
| Completed | Clozapine and Olanzapine Treatment of Aggression Schizophrenia | N/A | 1999-06-01 |