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Taisho Pharmaceutical Co., Ltd. clinical trials
The registry lists 53 studies whose lead sponsor is Taisho Pharmaceutical Co., Ltd. or one of 2 companies grouped under it. 4 are recruiting or about to start. Per ClinicalTrials.gov, last updated Oct 6, 2026.
Keep track of what changes. Save the Taisho Pharmaceutical Co., Ltd. studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.
Watch these studiesRegistry sponsor names on this page
Each name exactly as ClinicalTrials.gov lists it, and how it relates to Taisho Pharmaceutical Co., Ltd..
- Taisho Pharmaceutical Co., Ltd.43 studiesSame company
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- Taisho Pharmaceutical R&D Inc.8 studies →Subsidiary
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- Taisho Pharmaceutical Indonesia2 studies →Acquired — became part of Taisho Pharmaceutical Co., Ltd., 2009 · source ↗
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Studies
Recruiting first, then most recently updated. Showing 50 of 53. Browse all 53 →
- A Clinical Study of TS-172 in Hyperphosphatemia Patients on Peritoneal DialysisRecruitingNCT07548853Phase 3
- A Phase 3 Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis With Phosphate BindersRecruitingNCT07285291Phase 3
- A Pharmacokinetic Study of TS-172 in Patients With Hepatic ImpairmentRecruitingNCT07231029Phase 1
- A Long-term Study of TS-172 in Hyperphosphatemia Patients on HemodialysisRecruitingNCT07285304Phase 3
- A Clinical Study of TS-172 in Hyperphosphatemia Patients on HemodialysisActive, not recruitingNCT07548840Phase 3
- Effectiveness of Topical Menthol as A Cooling Method During Exercise in A Recreational Runner PopulationCompletedNCT07482046Phase 2/3
Sponsor listed in the registry: Taisho Pharmaceutical Indonesia · First submitted after Taisho Pharmaceutical Indonesia became part of Taisho Pharmaceutical Co., Ltd.
- Counterpain PXM Versus Diclofenac Versus PiroxicamCompletedNCT07475663Phase 3
Sponsor listed in the registry: Taisho Pharmaceutical Indonesia · First submitted after Taisho Pharmaceutical Indonesia became part of Taisho Pharmaceutical Co., Ltd.
- A Phase 3 Study of TS-172 in Hyperphosphatemia Patients on HemodialysisCompletedNCT06745531Phase 3
- A Pharmacodynamic Study of TS-172 in Healthy Adult Male SubjectsCompletedNCT07084961Phase 1
- A Phase 2 Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis With Phosphate BindersCompletedNCT06745518Phase 2
- A QT/QTc Evaluation Study of TS-172 in Healthy Adult SubjectsCompletedNCT06837155Phase 1
- A Drug-drug Interaction Study With TS-172 in Healthy Adult Male SubjectsCompletedNCT06837142Phase 1
- An Open-label Pharmacokinetic Study of TS-172 in Patients on HemodialysisCompletedNCT06849778Phase 1
- Development of Assessment Method for Driving Ability Using Driving Simulator in Healthy Volunteers #1CompletedNCT03278080Not applicable
- Clinical Study on Histamine H3 Receptor Occupancy of TS-091 by PET Examination in Healthy Adult SubjectsCompletedNCT04631276Phase 1
- Early Phase 2 Clinical Study of TS-142 in Patients with Insomnia DisorderCompletedNCT04573725Phase 2
- An Extension Study of TS-152 in Subjects with Rheumatoid ArthritisCompletedNCT04077567Phase 3
- A Pharmacokinetic Study of TS-142 in Patients with Hepatic ImpairmentCompletedNCT05624944Phase 1
- A Phase I Study of TS-172 in Healthy Adult Subjects (Single and Multiple Doses)CompletedNCT04979572Phase 1
- Development of Assessment Method for Driving Ability Using Driving Simulator in Healthy Volunteers #2CompletedNCT03413592Not applicable
- A Phase 2 Dose-finding Study of TS-172 in Hyperphosphatemia Patients on HemodialysisCompletedNCT05699239Phase 2
- A QT/QTc Evaluation Study of TS-142 in Healthy Adult SubjectsCompletedNCT04873323Phase 1
- Late Phase II Study of TS-142 in Patients with InsomniaCompletedNCT04469023Phase 2
- A Study to Investigate the Next-day Residual Effects of TS-142 in Healthy Elderly SubjectsCompletedNCT05819710Phase 1
- Drug-drug Interaction Study with TS-142 in Healthy Adult Subjects (concomitant Administration of Itraconazole)CompletedNCT04557163Phase 1
- Phase III Study of TS-142 in Patients with InsomniaCompletedNCT05453136Phase 3
- A Phase I Study of TS-142 in Healthy Participants (Repeated Doses)CompletedNCT04169906Phase 1
- A Study to Evaluate Next Day Effects of TS-142 on Driving Performance in Healthy SubjectsCompletedNCT04696952Phase 1
- Long-Term Study of TS-142 in Patients with InsomniaCompletedNCT05461352Phase 3
- A Study to Evaluate the Safety and Efficacy of TS-091 in Patients with NarcolepsyCompletedNCT03267303Phase 2
- Clinical Study of TS-143 in Healthy Adult Male Subjects (Multiple-Dose Administration)CompletedNCT03595202Phase 1
- A Mass Balance Study of TS-172 in Healthy Adult SubjectsCompletedNCT06596356Phase 1
- Development and Validation of a Driving Simulator for Evaluating the Residual Effects of Drugs on Driving Performance - Sensitivity Analysis Using Zopiclone As a Positive ControlCompletedNCT04108351Not applicable
- A Phase I Study of TS-142 in Healthy Participants (Single Doses)CompletedNCT04169893Phase 1
- A Food Effect Study of TS-142 in Healthy SubjectsCompletedNCT05707897Phase 1
- A Clinical Pharmacology Study of TS-142 in Patients with Obstructive Sleep Apnea Hypopnea.CompletedNCT04746105Phase 1
- Mass Balance Study of TS-142 in Healthy Adult Subjects.CompletedNCT04814771Phase 1
- Clinical Pharmacology Study of TS-143 in Nondialysis and Hemodialysis Patients with Chronic Kidney DiseaseCompletedNCT03581071Phase 1
- Clinical Study of TS-143 in Healthy Adult Male Subjects (Single-Dose Administration)CompletedNCT03591133Phase 1
- Development of Assessment Method for Driving Ability Using Driving Simulator in Healthy Volunteers #3CompletedNCT03572985Not applicable
- Safety, Pharmacokinetic, and Pharmacodynamic Study of TS-142 in Healthy SubjectsCompletedNCT04087707Phase 2
- Safety and Efficacy of SFPP in Knee OsteoarthritisCompletedNCT03434197Phase 3
- A Single Ascending and Repeated Dose Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of TS-142 in Healthy ParticipantsCompletedNCT04464239Phase 1
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.
- A Study to Evaluate the Safety and Efficacy of TS-121 as an Adjunctive Treatment for Major Depressive DisorderTerminatedNCT03093025Phase 2
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.
- First-in-Human Study With Single and Multiple Doses of TS-161 in Healthy ParticipantsCompletedNCT03919409Phase 1
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.
- Safety, Tolerability and Pharmacokinetics of Single Doses of TS-134 in Healthy VolunteersCompletedNCT03746067Phase 1
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.
- Safety, Tolerability and Pharmacokinetics of 14-day Multiple Dose Titrations of TS-134 in Healthy VolunteersCompletedNCT03742791Phase 1
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.
- Effects of TS-134 on Ketamine-induced BOLD Signals in Healthy SubjectsCompletedNCT03141658Phase 1
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.
- Exploratory Study Using Positron Emission Tomography With TS-121 and [11C]TASP0410699 in Healthy Adult Male SubjectsCompletedNCT02448212Phase 1
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.
- Study of TS-022 in Adult Patients With Atopic Dermatitis With Pruritus (POC)CompletedNCT00914186Phase 2
Sponsor listed in the registry: Taisho Pharmaceutical R&D Inc.