| Completed | A Study of TAS3731 in Healthy Adults Healthy Adult Males | Phase 1 | 2023-01-17 |
| Completed | A Mass Balance Study of [14C] TAS-303 in Healthy Adult Male Subjects Healthy Male Subjects | Phase 1 | 2022-09-07 |
| Completed | A Phase 2a Study of TAS5315 in Patients With Chronic Spontaneous Urticaria Chronic Spontaneous Urticaria | Phase 2 | 2022-06-28 |
| Active Not Recruiting | A Study of Pimitespib in Combination With Imatinib in Patients With GIST (CHAPTER-GIST-101) Gastrointestinal Stromal Tumors | Phase 1 | 2021-12-01 |
| Recruiting | AB122 Platform Study Advanced or Metastatic Solid Tumor, Pancreatic Ductal Adenocarcinoma, Colorectal Cancer | Phase 1 | 2021-06-01 |
| Completed | Mass Balance Study of [14C] TAS-205 in Healthy Volunteers Healthy Male Subjects | Phase 1 | 2021-03-22 |
| Recruiting | Study of RET Inhibitor TAS0953/HM06 in Patients With Advanced Solid Tumors With RET Gene Abnormalities RET-altered Non Small Cell Lung Cancer, RET-altered Solid Tumors | Phase 1 / Phase 2 | 2020-12-16 |
| Active Not Recruiting | A Phase 3 Study of TAS-205 in Patients With Duchenne Muscular Dystrophy（REACH-DMD） Duchenne Muscular Dystrophy | Phase 3 | 2020-11-01 |
| Recruiting | A Phase 1 Trial of ASTX030 in Patients With Myelodysplastic Syndrome Myelodysplastic Syndrome (MDS) | Phase 1 | 2020-10-30 |
| Completed | A Phase 2 Study of TAS-303 in Female Patients With Stress Urinary Incontinence Stress Urinary Incontinence | Phase 2 | 2020-09-04 |
| Completed | Efficacy and Safety Study of TAS5315 Compared With Placebo in Participants With Rheumatoid Arthritis. Rheumatoid Arthritis | Phase 2 | 2018-08-30 |
| Completed | Exploratory Study of TAC-302 in Detrusor Underactivity Patients With Overactive Bladder. Detrusor Underactivity, Overactive Bladder | Phase 2 | 2017-09-09 |
| Completed | Exploratory Trial of TAS-303 in Female Patients With Stress Urinary Incontinence Stress Urinary Incontinence | Phase 2 | 2016-10-20 |
| Completed | A Phase IIa Study of TAS-205 for Duchenne Muscular Dystrophy Duchenne Muscular Dystrophy | Phase 2 | 2016-05-01 |
| Completed | A Study of TAS-303 in Female Patients With Stress Urinary Incontinence Stress Urinary Incontinence | Phase 1 | 2015-10-01 |
| Completed | Phase III Study of TAS-118 Plus Oxaliplatin Versus S-1 Plus Cisplatin in Patients With Advanced Gastric Cancer Gastric Cancer | Phase 3 | 2014-12-01 |
| Completed | A Study of TAS-205 for Duchenne Muscular Dystrophy Duchenne Muscular Dystrophy | Phase 1 | 2014-09-01 |
| Completed | A Phase I Study of TAS-102 in Solid Tumors Advanced or Metastatic Solid Tumors | Phase 1 | 2014-09-01 |
| Completed | Study of Trifluridine/Tipiracil (TAS-102) in Patients With Metastatic Colorectal Cancer in Asia Colorectal Cancer | Phase 3 | 2013-09-01 |
| Completed | A Study of TAS-114 in Combination With S-1 in Patients With Advanced Solid Tumors Advanced Solid Tumors | Phase 1 | 2012-06-01 |
| Terminated | Orantinib In Combination With Transcatheter Arterial Chemoembolization In Patients With Unresectable Hepatocel Hepatocellular Carcinoma | Phase 3 | 2010-12-01 |
| Terminated | Phase II Study of TAS-109 to Treat Advanced Colorectal Cancer Advanced Colorectal Cancer | Phase 2 | 2009-01-01 |
| Completed | Study of S-1 Plus LV for Untreated Metastatic Colorectal Cancer Colorectal Cancer | Phase 2 | 2008-10-01 |
| Completed | Phase III Study of S-1 + Cisplatin vs Cisplatin in Cervical Cancer Cervical Cancer | Phase 3 | 2008-09-01 |
| Terminated | Phase II Study of TAS-106 to Treat Head and Neck Cancer Head and Neck Cancer | Phase 2 | 2008-08-01 |
| Completed | Randomized Phase II Study of SOL for Untreated Metastatic Colorectal Cancer Colorectal Cancer | Phase 2 | 2008-07-01 |
| Completed | Phase II Study of ABI-007 for Gastric Cancer Gastric Cancer | Phase 2 | 2008-04-01 |
| Completed | Phase II Trial of Combination Therapy With S-1, Irinotecan, and Bevacizumab (SIRB) in Patients With Unresectab Colorectal, Cancer | Phase 2 | 2007-10-01 |
| Completed | Phase II Trial of Combination Therapy With Irinotecan, S-1, and Bevacizumab (IRIS/Bev) in Patients With Unrese Colorectal Cancer | Phase 2 | 2007-10-01 |
| Completed | Phase II Trial of Combination Therapy With Bevacizumab and S-1 in Elderly Patients With Unresectable or Recurr Colorectal Cancer | Phase 2 | 2007-10-01 |
| Completed | Phase III of Gemcitabine Vs TS-1 Vs Gemcitabine Plus TS-1 in Pancreatic Cancer Pancreatic Cancer | Phase 3 | 2007-07-01 |
| Completed | Comparative Study of Palonosetron With Granisetron as a Control in Patients Receiving Highly Emetogenic Chemot Chemotherapy-Induced Nausea and Vomiting | Phase 3 | 2006-07-01 |
| Completed | Phase II/III Trial of CPT-11/5-FU/l-LV Versus CPT-11/TS-1 as Second Line Chemotherapy of Unresectable Colorect Colorectal Cancer | Phase 2 / Phase 3 | 2006-01-01 |
| Completed | Study of S-1, S-1/CDDP, and 5-FU/CDDP for Advanced Gastric Cancer Gastric Cancer | Phase 3 | 2005-07-01 |
| Completed | Verification Study on Lafutidine in Mild Reflux Oesophagitis - Double Blind Controlled Study With Famotidine - Gastroesophageal Reflux | Phase 3 | 2005-04-01 |
| Completed | Phase I/II Study of TSU-68 for Advanced Hepatocellular Carcinoma Hepatocellular Carcinoma | Phase 1 / Phase 2 | 2003-09-01 |
| Completed | Randomized Phase III Study of TS-1 Alone Versus TS-1 Plus CDDP in Advanced Gastric Cancer Gastric Cancer | Phase 3 | 2002-03-01 |
| Completed | Adjuvant Chemotherapy Trial of TS-1 for Gastric Cancer (ACTS-GC) Gastric Cancer | Phase 3 | 2001-09-01 |
| Completed | A Randomized Controlled Study of Postoperative Adjuvant Chemotherapy of Uracil- Tegafur (UFT) Compared With Su Gastric Cancer | Phase 3 | 1997-06-01 |
| Completed | A Randomized Controlled Study of Postoperative Adjuvant Therapy of Uracil-tegafur (UFT) Compared With Cyclopho Breast Cancer | Phase 3 | 1996-10-01 |
| Completed | A Randomized Controlled Study of Postoperative Adjuvant Chemotherapy of Uracil- Tegafur (UFT) Compared With Su Colorectal Cancer | Phase 3 | 1996-10-01 |
| Completed | The Comparative Trial of UFT + TAM With CMF + TAM in Adjuvant Therapy for Breast Cancer (CUBC) Breast Cancer | Phase 3 | 1996-07-01 |