Taisho Pharmaceutical
Pre-Approval PRO BETAAlso known as: Taisho Pharmaceutical Co., Ltd., Taisho Pharmaceutical R&D Inc.
Pipeline by Phase
Therapeutic Focus
Clinical Trials (47)
A Phase 3 Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis With Phosphate Binders
Started: 1/9/2026
A Long-term Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis
Started: 12/1/2025
A Phase 3 Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis
Started: 1/6/2025
Long-Term Study of TS-142 in Patients with Insomnia
Started: 10/11/2022
Phase III Study of TS-142 in Patients with Insomnia
Started: 8/30/2022
An Extension Study of TS-152 in Subjects With Rheumatoid Arthritis
Started: 10/1/2019
A Clinical Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis
Started: 4/1/2026
A Clinical Study of TS-172 in Hyperphosphatemia Patients on Peritoneal Dialysis
Started: 4/1/2026
A Phase 2 Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis With Phosphate Binders
Started: 1/6/2025
A Phase 2 Dose-finding Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis
Started: 2/8/2023
Late Phase II Study of TS-142 in Patients with Insomnia
Started: 9/9/2020
A Study to Evaluate the Safety and Efficacy of TS-091 in Patients with Narcolepsy
Started: 10/31/2017
Safety, Pharmacokinetic, and Pharmacodynamic Study of TS-142 in Healthy Subjects
Started: 9/17/2019
Early Phase 2 Clinical Study of TS-142 in Patients with Insomnia Disorder
Started: 7/7/2017
A Study to Evaluate the Safety and Efficacy of TS-121 as an Adjunctive Treatment for Major Depressive Disorder
Started: 7/3/2017
Study of TS-022 in Adult Patients With Atopic Dermatitis With Pruritus (POC)
Started: 6/1/2009
A Pharmacokinetic Study of TS-172 in Patients With Hepatic Impairment
Started: 12/23/2025
A Pharmacodynamic Study of TS-172 in Healthy Adult Male Subjects
Started: 8/5/2025
A QT/QTc Evaluation Study of TS-172 in Healthy Adult Subjects
Started: 3/3/2025
An Open-label Pharmacokinetic Study of TS-172 in Patients on Hemodialysis
Started: 3/22/2025
A Drug-drug Interaction Study With TS-172 in Healthy Adult Male Subjects
Started: 3/11/2025
A Phase I Study of TS-142 in Healthy Participants (Single Doses)
Started: 10/17/2015
A Study to Investigate the Next-day Residual Effects of TS-142 in Healthy Elderly Subjects
Started: 5/15/2023
Drug-drug Interaction Study with TS-142 in Healthy Adult Subjects (concomitant Administration of Itraconazole)
Started: 10/13/2020
A Clinical Pharmacology Study of TS-142 in Patients with Obstructive Sleep Apnea Hypopnea.
Started: 2/24/2021
Clinical Pharmacology Study of TS-143 in Nondialysis and Hemodialysis Patients With Chronic Kidney Disease
Started: 10/6/2016
A Phase I Study of TS-142 in Healthy Participants (Repeated Doses)
Started: 7/6/2016
A QT/QTc Evaluation Study of TS-142 in Healthy Adult Subjects
Started: 6/7/2021
A Phase I Study of TS-172 in Healthy Adult Subjects (Single and Multiple Doses)
Started: 8/16/2021
A Pharmacokinetic Study of TS-142 in Patients with Hepatic Impairment
Started: 12/26/2022
Clinical Study of TS-143 in Healthy Adult Male Subjects (Single-Dose Administration)
Started: 12/24/2015
A Study to Evaluate Next Day Effects of TS-142 on Driving Performance in Healthy Subjects
Started: 1/16/2021
Clinical Study on Histamine H3 Receptor Occupancy of TS-091 by PET Examination in Healthy Adult Subjects
Started: 12/11/2014
Mass Balance Study of TS-142 in Healthy Adult Subjects.
Started: 4/19/2021
Clinical Study of TS-143 in Healthy Adult Male Subjects (Multiple-Dose Administration)
Started: 4/3/2017
A Mass Balance Study of TS-172 in Healthy Adult Subjects
Started: 9/26/2024
A Study Of The Effect Of PF-04802540 On Sleep Measures
Started: 11/1/2008
Multiple Dose Safety Study of PF-04802540 in Healthy Volunteers
Started: 9/1/2008
Multiple Dose Safety Study of PF-04802540 in Subjects With Schizophrenia
Started: 4/1/2009
A Single Ascending and Repeated Dose Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of TS-142 in Healthy Participants
Started: 9/14/2020
First-in-Human Study With Single and Multiple Doses of TS-161 in Healthy Participants
Started: 6/3/2019
Safety, Tolerability and Pharmacokinetics of Single Doses of TS-134 in Healthy Volunteers
Started: 8/21/2015
Safety, Tolerability and Pharmacokinetics of 14-day Multiple Dose Titrations of TS-134 in Healthy Volunteers
Started: 6/28/2016
Effects of TS-134 on Ketamine-induced BOLD Signals in Healthy Subjects
Started: 6/28/2017
Exploratory Study Using Positron Emission Tomography With TS-121 and [11C]TASP0410699 in Healthy Adult Male Subjects
Started: 5/1/2015