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Clinical Study to Investigate the Sleep Quality Enhancing Effect of GABA

A Randomized, Double-blind, Placebo-controlled, Parallel Clinical Study to Investigate the Sleep Quality Enhancing Effect and Safety of Lactobacillus-fermented GABA in Subjects With Mild, Transient Sleep Disorder

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04857021
Enrollment
60
Registered
2021-04-23
Start date
2019-04-14
Completion date
2021-06-15
Last updated
2021-09-20

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

Conditions

Sleep Disturbance

Brief summary

The purpose of this study is to investigate the efficacy and safety of dietary supplement GABA in subjects with mild, transient sleep disorder.

Detailed description

The subjects will take GABA or placebo capsule once daily before sleep for 14 days.

Interventions

DIETARY_SUPPLEMENTGABA

oral administration of GABA capsule once daily before sleep

DIETARY_SUPPLEMENTPlacebo

oral administration of placebo capsule once daily before sleep

Sponsors

Amorepacific Corporation
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
19 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Male and female subjects older than 19 years old * Who is experiencing mild, transient sleep disturbance (pittsburgh sleep quality index ≥ 5, Insomnia Severity Index ≥ 8) * Who voluntarily agreed to participate in the study and signed an informed consent form.

Exclusion criteria

* Who is suffering from severe sleep disorder including sleep disorders due to psychological or neurologic causes. * Who has used sleeping pills or sleep related dietary supplements within 4 weeks before study participation * Who is suffering from obstructive sleep apnea. * Who has used or is expected to inevitably use prohibited concomitant medications during the study. * Women who is pregnant /breast-feeding, or who has childbearing potential and does not use available contraceptives. * Who has dosed other study medications within 30 days before screening. * Who is determined ineligible for study participation by investigators for any other reasons.

Design outcomes

Primary

MeasureTime frameDescription
Change of wake after sleep onset of polysomnographyBaseline, Week 2wake after sleep onset(mintues)
Change of sleep latency of polysomnographyBaseline, Week 2sleep latency(minutes)
Change of sleep efficiency of polysomnographyBaseline, Week 2sleep efficiency(percent)
Change of NonREM stage3 of polysomnographyBaseline, Week 2NonREM stage3(mintues)
Change of total wake time of polysomnographyBaseline, Week 2total wake time(mintues)
Change of total sleep time of polysomnographyBaseline, Week 2total sleep time(minutes)

Secondary

MeasureTime frameDescription
Change of Insomnia Severity IndexBaseline, Week 2Change of Insomnia Severity Index(0-28), higher score means worse outcome
Change of Epworth sleepiness scaleBaseline, Week 2Change of Epworth sleepiness scale(0-24), higher score means worse outcome
Change of Fatigue Severity ScaleBaseline, Week 2Change of Fatigue Severity Scale(9-63), higher score means worse outcome
Change of Pittsburgh Sleep Quality IndexBaseline, Week 2Change of Pittsburgh Sleep Quality Index(0-21), higher score means worse outcome

Countries

South Korea

Outcome results

None listed

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