| Recruiting | A Long-term Administration Trial of SEP-363856 in Patients With Schizophrenia Schizophrenia | Phase 3 | 2025-12-22 |
| Not Yet Recruiting | A Phase 3 Trial to Demonstrate the Superiority of 1% OPA-15406 Foam to the Vehicle in Adult Patients With Atop Atopic Dermatitis (AD) | Phase 3 | 2025-10-01 |
| Recruiting | LUPKYNIS Drug-use Results Survey Lupus Nephritis | — | 2025-09-17 |
| Recruiting | A Long-term Trial of EB-1020 in Pediatric Patients With ADHD Attention-Deficit Hyperactivity Disorder(ADHD) | Phase 3 | 2025-09-16 |
| Recruiting | A Trial to Evaluate the Efficacy and Safety of EB-1020 in Pediatric Patients With ADHD Attention-Deficit Hyperactivity Disorder(ADHD) | Phase 2 / Phase 3 | 2025-09-03 |
| Not Yet Recruiting | A Phase 3 Trial of OPA-15406 Foam in Children and Infants With Atopic Dermatitis Atopic Dermatitis (AD) | Phase 3 | 2025-09-01 |
| Recruiting | A Long-term Trial of EB-1020 in Adult Patients With ADHD Attention Deficit Hyperactivity Disorder (ADHD) | Phase 3 | 2025-06-25 |
| Recruiting | Evaluation of the Efficacy and Safety of EB-1020 in Adult ADHD Patients Attention Deficit Hyperactivity Disorder (ADHD) | Phase 2 / Phase 3 | 2025-04-30 |
| Recruiting | REXULTI Drug General Use-results Survey (Excessive Motor Activity or Physically/Verbally Aggressive Behavior D Alzheimer Disease | — | 2025-04-17 |
| Completed | Food Effect Study of Brexpiprazole Once-weekly (QW) Formulation in Patients With Schizophrenia Schizophrenia | Phase 1 | 2023-10-03 |
| Recruiting | Samtasu Post-marketing General Drug Use-results Survey in Patients with Volume Overload in Heart Failure. Heart Failure | — | 2023-03-03 |
| Completed | A Long-term Trial of ETC-1002 in Patients With Hyper-LDL Cholesterolemia Hyper-low-density Lipoprotein (LDL) Cholesterolemia | Phase 3 | 2023-02-27 |
| Completed | A Confirmatory Trial of ETC-1002 in Patients With Hyper-LDL Cholesterolemia Hyper-low-density Lipoprotein (LDL) Cholesterolemia | Phase 3 | 2023-02-13 |
| Completed | A Dose-ranging Trial of OPC-131461 in Cardiac Edema (Congestive Heart Failure [CHF]) Cardiac Edema (CHF) | Phase 2 | 2023-01-10 |
| Recruiting | Trial of Brexpiprazole Once-weekly (QW) Formulation in Patients With Acute Schizophrenia Acute Schizophrenia | Phase 3 | 2022-07-21 |
| Active Not Recruiting | A Long-term Administration Trial of Brexpiprazole Once-weekly (QW) Formulation in Patients With Schizophrenia Schizophrenia | Phase 3 | 2022-05-31 |
| Completed | A Long-term Trial of OPA-15406 in Infants With Atopic Dermatitis Atopic Dermatitis (AD) | Phase 3 | 2022-05-23 |
| Recruiting | Specified Drug Use Survey on AJOVY Subcutaneous Injection for Long-term Use Migraine Disorders | — | 2022-04-20 |
| Withdrawn | A Clinical Pharmacology Trial of Brexpiprazole Long Acting Injectable (LAI) Administered as a Single Dose in P Schizophrenia | Phase 1 | 2021-11-22 |
| Completed | Specified Drug-use Survey on Abilify Prolonged Release Aqueous Suspension for IM Injection (Prevention of Rela Bipolar Disorder I | — | 2021-04-07 |
| Recruiting | Samsca Post-marketing General Drug Use-results Survey in Patients with Hyponatremia in SIADH Antidiuretic Hormone, Inappropriate Secretion | — | 2021-03-29 |
| Completed | A Dose-finding Trial of ETC-1002(Bempedoic Acid) in Patients With Hypercholesterolemia Hypercholesterolemia | Phase 2 | 2021-03-24 |
| Active Not Recruiting | Safety and Efficacy Study of OPC-415 in Patients With Relapsed and/or Refractory Multiple Myeloma Multiple Myeloma (MM) | Phase 1 / Phase 2 | 2021-02-18 |
| Terminated | A Phase I/II Study of ASTX660 in Patients With Relapsed or Refractory T-cell Lymphoma Relapsed or Refractory Peripheral T-cell Lymphoma(PTCL),Cutaneous T-cell Lymphoma(CTCL),Adult T-cell Leukemia/Lymphoma(ATLL) | Phase 1 / Phase 2 | 2020-07-14 |
| Completed | A Safety Evaluation Trial of TEV-48125 Self-administered in Migraine Patients Migraine | Phase 3 | 2020-06-17 |
| Completed | A Phase 2 Trial of OPC-64005 for Major Depressive Disorder Major Depressive Disorder | Phase 2 | 2020-03-03 |
| Completed | A Phase I, Open-Label Trial to Assess the Absorption, Metabolism, and Excretion of (14C)-OPC-61815 in Healthy Healthy Adult Male | Phase 1 | 2019-11-25 |
| Completed | A Phase 1 Trial of OPB-111077 in Combination With Bendamustine and Rituximab in Patients With r/r DLBCL Relapsed or Refractory Diffuse Large B-cell Lymphoma | Phase 1 | 2019-11-22 |
| Completed | A Clinical Pharmacology Trial of Brexpiprazole Once-weekly (QW) Formulation Administered as Single and Multipl Schizophrenia | Phase 1 | 2019-10-17 |
| Completed | Post-Marketing Surveillance Study of Nalmefene Hydrochloride Hydrate in Patients with Alcohol Dependence Alcohol Dependence | — | 2019-10-01 |
| Completed | Safety Trial of OPC-61815 Injection in Patients With Congestive Heart Failure Who Have Difficulty With or Are Congestive Heart Failure | Phase 3 | 2019-06-17 |
| Completed | Long-term Trial of OPA-15406 Ointment in Adult and Pediatric Patients With Atopic Dermatitis Atopic Dermatitis | Phase 3 | 2019-05-14 |
| Completed | Comparison Trial of OPA-15406 Ointment in Pediatric Patients With Atopic Dermatitis Atopic Dermatitis | Phase 3 | 2019-05-07 |
| Completed | Bioequivalence Study of Brexpiprazole Orally Disintegrating Tablets (ODT) 2mg Healthy Adult Male | Phase 1 | 2019-03-27 |
| Completed | Comparison Trial of OPA-15406 Ointment in Adult Patients With Atopic DermatitisSyndrome Atopic Dermatitis | Phase 3 | 2019-03-25 |
| Active Not Recruiting | Phase 1 Trial of ASTX727 in Subjects With Lower-risk Myelodysplastic Syndromes Lower-risk Myelodysplastic | Phase 1 | 2019-03-15 |
| Completed | Efficacy and Safety Trial of OPC-61815 Injection Compared With Tolvaptan 15-mg Tablet in Patients With Congest Congestive Heart Failure | Phase 3 | 2019-01-16 |
| Completed | Brexpiprazole for the Long-term Treatment of Patients With Agitation Associated With Dementia of the Alzheimer Agitation Associated With Dementia of the Alzheimer's Type | Phase 3 | 2018-11-09 |
| Completed | A Long-Term Study of Brexpiprazole in Patients With Major Depressive Disorder Major Depressive Disorder | Phase 3 | 2018-10-04 |
| Completed | Brexpiprazole for the Treatment of Patients With Agitation Associated With Dementia of the Alzheimer's Type Agitation Associated With Dementia of the Alzheimer's Type | Phase 2 / Phase 3 | 2018-08-20 |
| Completed | A Study of Brexpiprazole in Patients With Major Depressive Disorder Major Depressive Disorder | Phase 2 / Phase 3 | 2018-07-30 |
| Completed | Phase I Study of OPC-61815 Congestive Heart Failure | Phase 1 | 2018-05-08 |
| Completed | Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics Study of Tolvaptan in Pediatric Congestive Heart Fail Pediatric Congestive Heart Failure (CHF) Patients With Volume Overload | Phase 3 | 2018-03-07 |
| Completed | Efficacy and Safety of Subcutaneous Administration of TEV-48125 for the Preventive Treatment of Episodic Migra Migraine | Phase 2 / Phase 3 | 2017-12-19 |
| Completed | Efficacy and Safety of Subcutaneous Administration of TEV-48125 for the Preventive Treatment of Chronic Migrai Migraine | Phase 2 / Phase 3 | 2017-12-19 |
| Completed | Long-term Safety and Tolerability of Subcutaneous Administration of TEV-48125 for the Preventive Treatment of Migraine | Phase 3 | 2017-12-07 |
| Completed | Bioequivalence Between Single Administration of ASC-01 (Aripiprazole/Sertraline Combination Drug) and Concomit Healthy Male Adults | Phase 1 | 2017-11-21 |
| Completed | Clinical Pharmacology Trial to Investigate the Dose of OPC-61815 Injection Equivalent to Tolvaptan 15-mg Table Congestive Heart Failure | N/A | 2017-11-06 |
| Completed | A Trial of C13-CAC Breath Test in PPI Resistant GERD Patients Gastroesophageal Reflux Disease | Phase 2 | 2017-10-31 |
| Completed | Post-Marketing Surveillance Study of Aripiprazole in Patients With Autism Autism | — | 2017-04-01 |
| Completed | A Multicenter Trial to Investigate the Efficacy and Safety of Tolvaptan in Patients With Hyponatremia in SIADH Syndrome of Inappropriate Antidiuretic Hormone Secretion | Phase 3 | 2017-03-02 |
| Completed | A Study of OPC-41061 Orally Disintegrating (OD) Tablets Using 2 Different Formulations and 2 Dosing Regimens i Healthy Adult Male | Phase 1 | 2017-01-06 |
| Completed | Phase 2 Study of OPA-15406 Ointment in Pediatric Patients With Atopic Dermatitis Atopic Dermatitis | Phase 2 | 2017-01-01 |
| Completed | Evaluation Study of the Bioavailability of Brexpiprazole Orally Disintegrating Tablets in Healthy Male Subject Healthy Adult Male | Phase 1 | 2016-09-27 |
| Completed | Study of OPA-15406 Ointment in Patients With Atopic Dermatitis Atopic Dermatitis | Phase 2 | 2016-09-01 |
| Completed | A Single-center, Open-label, Single-dose Study Investigating the Safety, Tolerability, and Pharmacokinetic Pro Alcohol Dependence | Phase 1 | 2016-02-01 |
| Completed | A Clinical Trial to Assess Three Different Doses of OPS-2071 in Patients With Bacterial Enteritis Bacterial Enteritis | Phase 2 | 2015-08-20 |
| Completed | Pharmacodynamic Study of Cilostazol in Healthy Volunteers Healthy | Phase 1 | 2015-08-01 |
| Completed | A Long-term Extension Study for the Phase 3 Study of Nalmefene (339-14-001) in Patients With Alcohol Dependenc Alcohol Dependence | Phase 3 | 2015-07-13 |
| Completed | A Phase 1,Open -Label Study to Assess the Absorption, Metabolism and Excretion of 14C-OPS-2071 Following a Sin Bacterial Enteritis | Phase 1 | 2015-05-01 |
| Completed | A Multicenter, Randomized, Double-blind, Placebo-controlled, 3-parallel-group Comparison Trial to Investigate Alcohol Dependence | Phase 3 | 2015-02-09 |
| Completed | Phase 1 Study of SGI-110 in Patients With Acute Myeloid Leukemia Acute Myeloid Leukemia | Phase 1 | 2015-01-07 |
| Completed | A Phase 1 Trial of OPA-15406 Ointment in Healthy Adult Male Subjects Atopic Dermatitis | Phase 1 | 2015-01-01 |
| Completed | A Trial to Investigate the Efficacy and Safety of Orally Administered Tolvaptan (OPC-41061) in Patients With C Chronic Renal Failure | Phase 2 | 2014-12-01 |
| Completed | Comparison Study Between C13-CAC Breath Test and 24-hour Gastric pH Monitoring Gastric Acid-related Diseases, Healthy | Phase 2 | 2014-08-01 |
| Completed | A Multicenter Open-label Study Investigating the Pharmacokinetics and Safety of Aripiprazole IM Depot Formulat Schizophrenia | Phase 1 | 2014-07-01 |
| Terminated | Aripiprazole for the Treatment of Patients With Agitation Associated With Dementia of the Alzheimer's Type Agitation Associated With Dementia of the Alzheimer's Type | Phase 3 | 2014-06-11 |
| Completed | Efficacy and Safety Study of OPC-1085EL Ophthalmic Solution in Subjects With Glaucoma or Ocular Hypertension Glaucoma, Ocular Hypertension | Phase 3 | 2014-04-01 |
| Completed | Efficacy and Safety Study of OPC-1085EL Ophthalmic Solution in Subjects With Glaucoma or Ocular Hypertension Glaucoma, Ocular Hypertension | Phase 3 | 2014-04-01 |
| Completed | Pharmacokinetic Study of OPC-1085EL Ophthalmic Solution in Healthy Male Adult Volunteers Glaucoma, Ocular Hypertension | Phase 1 | 2014-04-01 |
| Completed | Post-Marketing Surveillance Study of Tolvaptan in Patients With ADPKD Polycystic Kidney, Autosomal Dominant | — | 2014-03-24 |
| Completed | Prospective Observational Study of Clostridium Difficile Infection in Asian Pacific Countries Clostridium Difficile Infection | — | 2014-03-01 |
| Completed | A Phase 2 Trial of Rebamipide Liquid to Determine the Effective Dose for Prevention of Chemoradiotherapy-induc Head and Neck Cancer | Phase 2 | 2014-03-01 |
| Completed | A Trial to Determine the Safety, Pharmacokinetics, and Efficacy of OPC-108459 Administered as a Single Intrave Atrial Fibrillation | Phase 1 | 2014-02-01 |
| Completed | Assess the Efficacy and Safety of ASC-01 in Patients With Major Depressive Disorder Major Depressive Disorder | Phase 3 | 2014-02-01 |
| Completed | A Bioequivalence Study of ASC-01 Placebo (Aripiprazole 0 mg/Sertraline 100 mg) and Sertraline Tablet in Health Healthy Volunteers | Phase 1 | 2013-12-01 |
| Completed | A Phase 2 Trial to Evaluate the Efficacy and Safety of OCV-501 in Elderly Patients With Acute Myeloid Leukemia Acute Myeloid Leukemia | Phase 2 | 2013-10-01 |
| Completed | Phase 2 Study to Evaluate the Preliminary Performance of the C13-URA Breath Test Kit in Dyspeptic Subjects Dyspeptic Subjects | Phase 2 | 2013-07-01 |
| Completed | Open-label Dose-finding Trial of OPC-41061 in Patients With Chronic Renal Failure Undergoing Peritoneal Dialys Chronic Renal Failure | Phase 2 | 2013-07-01 |
| Completed | A Phase 2, Multi-center, Open-label, Dose-finding Trial to Investigate the Efficacy, Safety, Pharmacokinetics, Chronic Renal Failure | Phase 2 | 2013-06-01 |
| Completed | A Phase 1 Study of OCV-C02 in Patients With Advanced or Relapsed Colorectal Cancer Colorectal Cancer | Phase 1 | 2013-03-01 |
| Completed | A Long-term, Extended Treatment Study of Aripiprazole in Pediatric Patients With Autistic Disorder Autistic Disorder | Phase 3 | 2012-09-01 |
| Completed | Confirmatory Study of OPC-12759 Ophthalmic Solution Dry Eye | Phase 3 | 2012-08-01 |
| Completed | A Trial to Explore Symptomatic Therapy for Application Site Reaction to SPM962 in Healthy Subject Healthy | Phase 1 | 2012-08-01 |
| Completed | A Multicenter, Open-label, Dose-finding Trial of OPC-41061 to Investigate Efficacy, Pharmacokinetics, Pharmaco Carcinomatous Edema | Phase 2 | 2012-07-01 |
| Completed | A Short Treatment Study of Aripiprazole in Pediatric Patients With Autistic Disorder Autistic Disorder | Phase 3 | 2012-07-01 |
| Completed | Study of OCV-501 in Patients With Acute Myeloid Leukemia (AML) (Extension From Study 311-10-001) Acute Myeloid Leukemia | Phase 1 | 2012-01-24 |
| Completed | Exploratory Study of OPC-12759 Ophthalmic Suspension Keratoconjunctival Epithelial Disorder | Phase 2 | 2011-12-01 |
| Completed | Safety Study of OPC-12759 Ophthalmic Solution Dry Eye Syndromes | Phase 1 | 2011-11-01 |
| Completed | A Dose-finding Trial of OPC-34712 in Patients With Schizophrenia Schizophrenia | Phase 2 / Phase 3 | 2011-10-01 |
| Completed | A Long-term Trial of OPC-34712 in Patients With Schizophrenia Schizophrenia | Phase 3 | 2011-10-01 |
| Completed | A Phase I Study of OCV-501 in Acute Myeloid Leukemia Patients Acute Myeloid Leukemia | Phase 1 | 2011-09-01 |
| Completed | Effect of Tolvaptan on Mid- to Long-term Prognosis of Heart Failure Patients Heart Failure | Phase 4 | 2011-09-01 |
| Completed | Phase I/II Study of OPB-31121 in Patients With Progressive Hepatocellular Carcinoma Hepatocellular Carcinoma | Phase 1 / Phase 2 | 2011-07-01 |
| Completed | Phase I Study of OPB-51602 in Patients With Hematologic Malignancies Multiple Myeloma, Non-Hodgkin Lymphoma, Acute Myeloid Leukemia | Phase 1 | 2011-04-01 |
| Completed | A Study to Investigate the Long-term Safety and Efficacy of Tolvaptan in Patients With Autosomal Dominant Poly Autosomal Dominant Polycystic Kidney Disease （ADPKD) | Phase 3 | 2010-11-01 |
| Completed | A Long-term, Extended Treatment Study of Aripiprazole in Pediatric Patients With Schizophrenia Schizophrenia | Phase 3 | 2010-08-01 |
| Completed | A Short Treatment Study of Aripiprazole in Pediatric Patients With Schizophrenia Schizophrenia | Phase 2 / Phase 3 | 2010-08-01 |
| Completed | Study of SPM 962 in Patients With Restless Legs Syndrome (RLS) Idiopathic Restless Legs Syndrome | Phase 3 | 2010-02-01 |
| Completed | A Study to Investigate Pharmacodynamics and Pharmacokinetics of OPC-41061 in Patients With Hepatic Edema Cirrhosis | Phase 3 | 2010-02-01 |
| Completed | Safety and Pharmacokinetic Study of C13-URA in Healthy Volunteers Gastroparesis | Phase 1 | 2010-02-01 |
| Completed | A Trial of OPC-41061 in Patients With Hepatic Edema - Investigation of the Safety of Treatment at 7.5 mg Beyon Cirrhosis | Phase 3 | 2009-12-01 |
| Completed | A Trial to Investigate the Efficacy of OPC-41061 Administered at a Dose of 7.5 mg in Patients With Hepatic Ede Cirrhosis | Phase 3 | 2009-12-01 |
| Completed | A Long-term Administration Study of OPC-41061 in Patients With Autosomal Dominant Polycystic Kidney Disease (A Autosomal Dominant Polycystic Kidney Disease | Phase 3 | 2009-11-01 |
| Completed | A Long-Term Extension Trial From of SPM 962 in Advanced Parkinson's Disease Patients Parkinson's Disease | Phase 3 | 2009-10-01 |
| Completed | A Dose-finding and Confirmatory Trial of OPC-6535 in Patients With Active Crohn's Disease Crohn's Disease | Phase 2 / Phase 3 | 2009-10-01 |
| Completed | A Placebo- and Ropinirole-Controlled Study for SPM 962 in Advanced Parkinson's Disease Patients Parkinson's Disease | Phase 3 | 2009-06-01 |
| Completed | Confirmatory Study of OPC-12759 Ophthalmic Suspension Dry Eye Syndromes | Phase 3 | 2009-05-01 |
| Completed | To Investigate the Efficacy and Safety of OPC-6535 in Chronic Obstructive Pulmonary Disease (COPD) Patients Chronic Obstructive Pulmonary Disease | Phase 2 | 2009-03-01 |
| Completed | Long-Term Administration Study of Aripiprazole as an Adjunctive Therapy in Patients With Major Depressive Diso Major Depressive Disorder | Phase 3 | 2009-03-01 |
| Completed | Study of Aripiprazole as an Adjunctive Therapy in Patients With Major Depressive Disorder Major Depressive Disorder | Phase 3 | 2009-03-01 |
| Completed | Long Term Administration Study of OPC-12759 Ophthalmic Suspension Dry Eye Syndromes | Phase 3 | 2009-01-01 |
| Completed | Efficacy Confirmation Trial of CDP870 Without Coadministration of Methotrexate (MTX) in Japanese Rheumatoid Ar Rheumatoid Arthritis | Phase 3 | 2008-11-01 |
| Completed | Efficacy Confirmation Trial of CDP870 as add-on Medication to Methotrexate (MTX) in Japanese Rheumatoid Arthri Rheumatoid Arthritis | Phase 2 / Phase 3 | 2008-11-01 |
| Completed | A Long-Term Extension Trial From Late Phase II of SPM 962 in Patients With Restless Legs Syndrome Idiopathic Restless Legs Syndrome | Phase 2 | 2008-08-01 |
| Completed | A Placebo-Controlled Study for SPM 962 in Restless Legs Syndrome (RLS) Patients Idiopathic Restless Legs Syndrome | Phase 2 | 2008-06-01 |
| Completed | A Multicenter, Investigative Study of the Safety and Efficacy of Extended Administration of Aripiprazole in Co Bipolar I Disorder | Phase 3 | 2008-01-01 |
| Completed | A Multicenter, Placebo-controlled, Double-blind Investigative Extension Trial of the Safety and Efficacy of Ar Bipolar I Disorder | Phase 3 | 2008-01-01 |
| Completed | A Long-Term Extension Trial From Phase II/III of SPM 962 in Early Parkinson's Disease Patients Parkinson's Disease | Phase 2 / Phase 3 | 2008-01-01 |
| Completed | A Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel Group-comparison Trial of Aripiprazole i Bipolar I Disorder | Phase 3 | 2008-01-01 |
| Completed | A Multicenter Investigative Study of the Safety and Efficacy of Long-term Administration of Aripiprazole in Co Bipolar I Disorder | Phase 3 | 2008-01-01 |
| Completed | A Study of OPC-41061 in Subjects With Cardiac-induced Edema (Congestive Heart Failure) Cardiac Edema | Phase 3 | 2007-10-01 |
| Completed | A Placebo-controlled Study for SPM 962 in Early Parkinson's Disease Patients Early Parkinson's Disease | Phase 2 / Phase 3 | 2007-09-01 |
| Completed | A Clinical Pharmacological Study of OPC-41061 in the Treatment of Cardiac Edema (Congestive Heart Failure) Cardiac Edema | Phase 3 | 2007-09-01 |
| Completed | A Phase II Study of a Continuous Hepatic Arterial Infusion Combination Therapy With OPC-18 and 5-FU in Patient Hepatocellular Carcinoma | Phase 2 | 2007-09-01 |
| Completed | Dose-ranging Trial of OPC-249 Powder Inhalation in Patients With Pain Due to Osteoporosis Pain Due to Osteoporosis | Phase 2 | 2007-07-01 |
| Completed | An Exploratory Study of Rebamipide in Patients With Active Ulcerative Colitis Colitis, Ulcerative | Phase 2 | 2007-06-01 |
| Completed | A Dose-defining Study of OPC-41061 in Treatment of Hepatic Edema Cirrhosis | Phase 2 | 2007-06-01 |
| Completed | Late Phase 2 Study of OPC-12759 Ophthalmic Suspension Dry Eye Syndromes | Phase 2 | 2007-05-01 |
| Completed | A Double-blind, Placebo-controlled Study of OPC-41061 in the Treatment of Cardiac Edema (Congestive Heart Fail Edema, Cardiac | Phase 3 | 2007-04-01 |
| Completed | A Long-Term Extension Trial From Late Phase II of SPM 962 in Advanced Parkinson's Disease Patients Parkinson's Disease | Phase 2 | 2006-12-01 |
| Completed | Study of Aripiprazole in Patients With Schizophrenia- Effects on Glucose Metabolism- Schizophrenia | Phase 4 | 2006-11-01 |
| Completed | A Dose-finding Study for SPM 962 in Advanced Parkinson's Disease Patients Parkinson's Disease | Phase 2 | 2006-08-01 |
| Terminated | A Dose-finding Study of OPC-6535 in Patients With Active Crohn's Disease Crohn Disease | Phase 2 | 2006-05-01 |
| Terminated | A Dose-finding Study of OPC-6535 in Patients With Active Ulcerative Colitis Colitis, Ulcerative | Phase 2 | 2006-05-01 |
| Completed | A Long-term Administration Study of OPC-41061 in Patients With Autosomal Dominant Polycystic Kidney Disease (A Autosomal Dominant Polycystic Kidney Disease | Phase 2 | 2006-04-01 |
| Completed | Exploratory Study for Dry Mouth in Patients With Sjögren's Syndrome Xerostomia, Sjogren's Syndrome | Phase 2 | 2005-04-15 |
| Completed | A Dose-ranging Study for SPM 962 in Parkinson's Disease Patients Parkinson's Disease | Phase 2 | 2005-01-01 |
| Completed | Dose-response Study of OPC-12759 Ophthalmic Suspension Dry Eye Syndromes | Phase 2 | 2005-01-01 |
| Completed | A Dose-finding Study of OPC-41061 in Treatment of Cardiac Edema (Congestive Heart Failure) Heart Failure, Congestive, Edema | Phase 2 | 2004-08-01 |
| Completed | Post-marketing Clinical Study of Rebamipide in Patients With Gastric Ulcer Stomach Ulcer | Phase 4 | 2004-04-30 |
| Completed | Post-marketing Study of Cilostazol (Cilostazol Stroke Prevention Study 2) Cerebral Infarction | Phase 4 | 2003-12-01 |
| Completed | Cilostazol Stroke Prevention Study : A Placebo-controlled Double-blind Trial for Secondary Prevention of Cereb Cerebral Infarction | Phase 3 | 1992-04-01 |