Phase III Study of TS-142 in Patients with Insomnia
A Multi-center, Randomized, Double-blind, Parallel-group, Placebo-controlled Phase 3 Study of TS-142 in Patients with Insomnia Disorder.
1 other identifier
interventional
1,155
1 country
1
Brief Summary
This is a randomized, double-blind, multi-center, placebo-controlled, parallel-group confirmatory study in patients with insomnia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Aug 2022
Shorter than P25 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 7, 2022
CompletedFirst Posted
Study publicly available on registry
July 12, 2022
CompletedStudy Start
First participant enrolled
August 30, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 5, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
December 5, 2023
CompletedFebruary 28, 2025
September 1, 2023
1.3 years
July 7, 2022
February 26, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Difference of subjective sleep latency (sSL) between TS-142 and placebo in mean change from baseline
sSL is defined as the duration of time until which subjects fall asleep recorded in a sleep diary.
Baseline and Week 2
Secondary Outcomes (4)
Difference of subjective sleep efficacy (sSE) between TS-142 and placebo in mean change from baseline
Baseline and Week 2
Difference of sTST between TS-142 and placebo in mean change from baseline
Baseline and Week 2
Difference of subjective wake time after sleep onset (sWASO) between TS-142 and placebo in mean change from baseline
Baseline and Week 2
Difference of subjective number of awakenings (sNAW) between TS-142 and placebo in mean change from baseline
Baseline and Week 2
Study Arms (3)
5 mg
EXPERIMENTALPeriod in which participants received repeated doses of 5 mg TS-142 prior to bedtime
10 mg
EXPERIMENTALPeriod in which participants received repeated doses of 10 mg TS-142 prior to bedtime
Placebo
PLACEBO COMPARATORPeriod in which participants received repeated doses of placebo prior to bedtime
Interventions
Eligibility Criteria
You may qualify if:
- Japanese male and female who are aged 18 years or older at the time of informed consent
- Outpatients
- Patients falling under the category of insomnia disorder according to the diagnostic criteria in the Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5)
You may not qualify if:
- Patients falling under the category of any disorders other than insomnia disorder among sleep-wake disorders according to the diagnostic criteria in DSM-5
- Patients with psychiatric disorders such as depression, schizophrenia, and anxiety
- Patients with difficulty sleeping due to medical problems such as pain, pruritus, hot flush, nocturia (\> 3 times per night), heart disease, bronchial asthma, reflux esophagitis, endocrine disease, and periodic limb movement disorder
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Taisho Pharmaceutical Co., Ltd selected site
Tokyo, Japan
MeSH Terms
Interventions
Study Officials
- STUDY DIRECTOR
Taisho Director
Taisho Pharmaceutical Co., Ltd.
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 7, 2022
First Posted
July 12, 2022
Study Start
August 30, 2022
Primary Completion
December 5, 2023
Study Completion
December 5, 2023
Last Updated
February 28, 2025
Record last verified: 2023-09
Data Sharing
- IPD Sharing
- Will not share