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Long-Term Study of TS-142 in Patients with Insomnia

A Multi-center, Open-label Long-Term Study of TS-142 in Patients with Insomnia Disorder

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05461352
Enrollment
401
Registered
2022-07-18
Start date
2022-10-11
Completion date
2024-03-07
Last updated
2025-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients with Insomnia

Brief summary

This is a randomized, open-label, multi-center long-term study in patients with insomnia.

Interventions

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

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

Sponsors

Taisho Pharmaceutical Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Japanese male and female who are aged 18 years or older at the time of informed consent 2. Outpatients 3. 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) Other protocol defined inclusion criteria could apply.

Exclusion criteria

1. Patients falling under the category of any disorders other than insomnia disorder among sleep-wake disorders according to the diagnostic criteria in DSM-5 2. Patients with psychiatric diseases other than depression and anxiety 3. Patients with symptoms such as pain, pruritus, frequent urination and asthma that seriously prevent their sleep Other protocol defined

Design outcomes

Primary

MeasureTime frameDescription
Incidence of adverse eventsFrom start of investigational drug administration to final test and observation; up to approximately 1 yearTo evaluate the Long-term safety of TS-142 in patients with insomnia

Secondary

MeasureTime frameDescription
Mean change from baseline of subjective sleep latency (sSL)From baseline up to Week 52sSL defined as the duration of time that it took to fall asleep as recorded in a sleep diary.
Mean change from baseline of subjective sleep efficacy (sSE)From baseline up to Week 52sSE is defined as the percentage of total sleep time (TST) in total amount of time from bedtime to wake-up time in a sleep diary.
Mean change from baseline of subjective total sleep time (sTST)From baseline up to Week 52sTST defined as the total amount of time spent asleep before wake-up time as recorded in a sleep diary.
Mean change from baseline of subjective wake time after sleep onset (sWASO)From baseline up to Week 52sWASO is defined as the total amount of time spent awake after falling asleep and before wake-up time as recorded in a sleep diary.
Mean change from baseline of subjective number of awakenings (sNAW)From baseline up to Week 52sNAW is defined as the total number of awaking after falling asleep and before getting out of bed as recored in a sleep diary

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026