NCT05453136

Brief Summary

This is a randomized, double-blind, multi-center, placebo-controlled, parallel-group confirmatory study in patients with insomnia.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,155

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Aug 2022

Shorter than P25 for phase_3

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 7, 2022

Completed
5 days until next milestone

First Posted

Study publicly available on registry

July 12, 2022

Completed
2 months until next milestone

Study Start

First participant enrolled

August 30, 2022

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 5, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 5, 2023

Completed
Last Updated

February 28, 2025

Status Verified

September 1, 2023

Enrollment Period

1.3 years

First QC Date

July 7, 2022

Last Update Submit

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

EXPERIMENTAL

Period in which participants received repeated doses of 5 mg TS-142 prior to bedtime

Drug: TS-142 5 mg

10 mg

EXPERIMENTAL

Period in which participants received repeated doses of 10 mg TS-142 prior to bedtime

Drug: TS-142 10 mg

Placebo

PLACEBO COMPARATOR

Period in which participants received repeated doses of placebo prior to bedtime

Drug: Placebo to TS-142

Interventions

Participants received repeated doses of 5 mg of TS-142 (oral tablet)

5 mg

Participants received repeated doses of 10 mg of TS-142 (oral tablet)

10 mg

Participants received repeated doses of placebo to TS-142 (oral tablet)

Placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Location

MeSH Terms

Interventions

TS-142

Study Officials

  • Taisho Director

    Taisho Pharmaceutical Co., Ltd.

    STUDY DIRECTOR

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

Locations