| Recruiting | Confirmatory Study 3 of KPS-0373 in Patients With Spinocerebellar Degeneration Spinocerebellar Degeneration | Phase 3 | 2025-07-01 |
| Active Not Recruiting | A Clinical Study of KLH-2109 in Patients With Endometriosis Endometriosis | Phase 3 | 2025-06-09 |
| Active Not Recruiting | A Late Phase II Clinical Trial of KDT-3594 in Patients With Parkinson's Disease Parkinson Disease | Phase 2 | 2024-12-16 |
| Recruiting | Special Drug Use-results Survey for Long-term Use (Fostamatinib) Chronic Idiopathic Thrombocytopenic Purpura | — | 2023-05-29 |
| Completed | An Early Phase 2 Clinical Study of KSP-0243 Colitis, Ulcerative | Phase 2 | 2023-04-27 |
| Completed | A Clinical Study of KLH-2109 in Uterine Fibroids Patient With Menorrhagia Uterine Fibroids (MeSH Heading: Leiomyoma) | Phase 3 | 2022-10-11 |
| Completed | A Clinical Study of KLH-2109 in Uterine Fibroids Patient With Menorrhagia and Pain Uterine Fibroids (MeSH Heading: Leiomyoma) | Phase 3 | 2022-10-11 |
| Recruiting | Special Drug Use-results Survey for Long-term Use（Avacopan） Microscopic Polyangiitis (MPA), Granulomatosis With Polyangiitis (GPA) | — | 2022-07-29 |
| Completed | A Clinical Study of KDT-3594 in Japanese Patients With Early Parkinson's Disease Parkinson Disease | Phase 2 | 2021-05-15 |
| Completed | A Phase III Clinical Study of MR13A9 in Hemodialysis Patients With Pruritus. Uremic Pruritus | Phase 3 | 2021-01-16 |
| Terminated | Extension to Study on Efficacy and Safety of Linzagolix for the Treatment of Endometriosis-associated Pain Endometriosis | Phase 3 | 2020-03-23 |
| Completed | Extension to Study on Efficacy and Safety of Linzagolix for the Treatment of Endometriosis-associated Pain (ED Endometriosis | Phase 3 | 2020-03-05 |
| Completed | A Clinical Study in Patients With Chronic Idiopathic Thrombocytopenic Purpura in R788 Idiopathic Thrombocytopenic Purpura | Phase 3 | 2019-12-24 |
| Completed | Efficacy and Safety of Linzagolix for the Treatment of Endometriosis-associated Pain. Endometriosis | Phase 3 | 2019-06-13 |
| Terminated | A Phase 3 Study to Confirm the Efficacy and Safety of Linzagolix to Treat Endometriosis-associated Pain Endometriosis | Phase 3 | 2019-05-23 |
| Completed | A Clinical Study of KDT-3594 in Patients With Early Parkinson's Disease. Parkinson Disease | Phase 2 | 2019-02-26 |
| Completed | A Clinical Study of MR13A9 in Hemodialysis Patients With Pruritus. Uremic Pruritus | Phase 2 | 2019-02-01 |
| Completed | Clinical Study of YS110 in Patients With Malignant Pleural Mesothelioma Malignant Pleural Mesothelioma | Phase 1 / Phase 2 | 2017-08-08 |
| Completed | Clinical Study of KDT-3594 in Healthy Adult Males and Patients With Parkinson's Disease Parkinson Disease | Phase 1 | 2017-02-20 |
| Completed | An Additional Confirmatory Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) Spinocerebellar Degeneration | Phase 3 | 2016-11-15 |
| Completed | A Phase III Study of JR-131 in Renal Anemia Patients With Chronic Kidney Disease (CKD) Anemia | Phase 3 | 2016-09-01 |
| Completed | A Long-term Study of JR-131 in Renal Anemia Patients With Chronic Kidney Disease (CKD) Anemia | Phase 3 | 2016-09-01 |
| Completed | Late Phase II Clinical Study of KLH-2109 in Patients With Endometriosis Endometriosis | Phase 2 | 2016-05-09 |
| Completed | Phase II Study of KWA-0711 in Patients With Chronic Constipation (CC) Chronic Constipation | Phase 2 | 2014-12-26 |
| Completed | Phase II Dose-Finding Study of KWA-0711 in Patients With Chronic Constipation (CC) Chronic Constipation | Phase 2 | 2014-10-15 |
| Completed | A Confirmatory Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) Spinocerebellar Degeneration | Phase 3 | 2013-10-09 |
| Completed | A Phase III Study of PA21 With Calcium Carbonate in Hemodialysis Patients With Hyperphosphatemia Hemodialysis, Hyperphosphatemia | Phase 3 | 2013-04-29 |
| Completed | A Phase III Study of PA21 in Hemodialysis Patients With Hyperphosphatemia Hemodialysis, Hyperphosphatemia | Phase 3 | 2013-04-23 |
| Completed | A Long-term Study of PA21 in Hemodialysis Patients With Hyperphosphatemia Hemodialysis Patients With Hyperphosphatemia | Phase 3 | 2013-03-18 |
| Completed | PA21 Phase II Clinical Study in Hemodialysis Patients With Hyperphosphatemia Chronic Kidney Disease Requiring Hemodialysis | Phase 2 | 2012-01-11 |
| Completed | Double-Blind Comparison Between Mitiglinide and Nateglinide in Type 2 Diabetic Patients Diabetes | Phase 3 | 2006-08-01 |
| Completed | A Long-Term Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) Spinocerebellar Degeneration | Phase 3 | — |
| Completed | A Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) Spinocerebellar Degeneration | Phase 2 | — |
| Completed | A Study of KCT-0809 in Patients With Dry Eye Syndromes Dry Eye Syndromes | Phase 2 | — |
| Completed | Post-marketing Clinical Trial of KAD-1229 in Patients With Type 2 Diabetes Mellitus Type 2 Diabetes Mellitus | Phase 4 | — |
| Withdrawn | Long-term Safety and Efficacy of KUC-7483 in Patients With Overactive Bladder Overactive Bladder | Phase 3 | — |
| Completed | A Randomized Open Label Study of KLH-2109 in Patients With Endometriosis(1) Endometriosis | Phase 2 | — |
| Completed | A Phase II Randomized Open Label Study of KLH-2109 in Patients With Endometriosis Endometriosis | Phase 2 | — |
| Completed | A Phase III Study of KCT-0809 in Dry Eye Patients With Sjögren's Syndrome Dry Eye With Sjögren's Syndrome | Phase 3 | — |
| Completed | A Exploratory Study of KWA-0711 in Patients With Chronic Idiopathic Constipation (CIC) Chronic Idiopathic Constipation | Phase 2 | — |
| Completed | A Phase II Double Blind Comparative Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) SCD | Phase 2 | — |
| Completed | A Comparative Study of KSO-0400 in BPH Patients With LUTS Benign Prostatic Hyperplasia (BPH) | Phase 2 | — |
| Completed | A Randomized, Placebo-controlled, Double-blind Study of KLH-2109 in Patients With Endometriosis (2) Endometriosis | Phase 2 | — |
| Completed | A Phase II Study of KUC-7483 in Patients With Overactive Bladder Overactive Bladder (OAB) | Phase 2 | — |
| Completed | Phase II Exploratory Clinical Study of KUX-1151 Hyperuricemia | Phase 2 | — |
| Completed | A Late Phase II Study of KCT-0809 in Patients With Dry Eye Syndromes Dry Eye Syndromes | Phase 2 | — |
| Completed | Study of Absorption, Metabolism and Excretion Following a Single Oral Dose of [14C]KWA-0711 to Healthy Male Su Healthy Male Subject | Phase 1 | — |
| Completed | Long-term Study of KAD-1229 in Type 2 Diabetes Patients Type 2 Diabetes | Phase 3 | — |
| Completed | A Confirmatory Study of KUC-7483 in Patients With Overactive Bladder Overactive Bladder | Phase 3 | — |
| Completed | A Long-term Study of KCT-0809 in Dry Eye Patients With Sjögren's Syndrome Dry Eye With Sjögren's Syndrome | Phase 3 | — |
| Completed | A Single-blind, Dose-titration Study of KWA-0711 in Patients With Chronic Constipation Chronic Constipation | Phase 2 | — |
| Completed | A Phase II Study of KCT-0809 in Patients With Dry Eye Syndrome Dry Eye Syndromes | Phase 2 | — |
| Completed | A 24-week Open-label Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) Spinocerebellar Degeneration | Phase 3 | — |
| Completed | An Extension Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) Spinocerebellar Degeneration | Phase 3 | — |
| Completed | Phase II Study of KPS-0373 in Patients With Spinocerebellar Degeneration (SCD) Spinocerebellar Degeneration | Phase 2 | — |
| Completed | A Dose-finding Study of Silodosin in Patients With Urinary Calculi Urinary Calculus | Phase 2 | — |
| Completed | A Phase III Study of PA21 in Peritoneal Dialysis Patients With Hyperphosphatemia Peritoneal Dialysis, Hyperphosphatemia | Phase 3 | — |
| Completed | A Parallel Group Phase II Study of KCT-0809 in Patients With Dry Eye Syndromes Dry Eye Syndromes | Phase 2 | — |
| Terminated | An Extension Study of KCT-0809 in Dry Eye Patients With Sjögren's Syndrome Dry Eye With Sjögren's Syndrome | Phase 3 | — |
| Completed | Phase 2 Study of KLS-0611 in Patients With Dry Eye Syndromes Dry Eye Syndromes | Phase 2 | — |
| Completed | A Phase I/II Study of KDX-0811(Dexrazoxane) in the Treatment of Accidental Extravasation of Anthracycline Anti Extravasations of Anthracycline Anti-cancer Agents | Phase 1 / Phase 2 | — |
| Completed | A Single-blind, Dose-tapering Study of KWA-0711 in Patients With Chronic Constipation Chronic Constipation | Phase 2 | — |