Skip to content

A study for evaluating the effect of the intake of a GABA-containing food on electroencephalography during sleep in adult males and females

A study for evaluating the effect of the intake of a GABA-containing food on electroencephalography during sleep in adult males and females - A study for evaluating the effect of the intake of a GABA-containing food on electroencephalography during sleep in adult males and females

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000026673
Enrollment
32
Registered
2017-03-24
Start date
2017-03-25
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Healthy adult

Interventions

Intake of a GABA - containing food for 2 consecutive weeks - washout period of 2 weeks - intake of placebo for 2 consecutive weeks Intake of placebo for 2 consecutive weeks - washout period of 2 weeks

Sponsors

TTC Co.,Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Male and female workers from 30 to 59 years of age 2) Pittsburgh sleep quality index global score is greater than or equal to 6 3) POMS 2-AS FI T score is greater than or equal to 50 and VA T score is less than or equal to 50

Exclusion criteria

Exclusion criteria: 1) Subjects who routinely use food or medicine containing of GABA 2) Subjects who perform an act for the improvement of the fatigue, the quality of the sleep, and stress 3) Subjects who routinely intake foods that possibly affect sleep, stress, and fatigue 4) Subjects who wake after sleep onset for nocturia twice and more than twice a week 5) Subjects who have a possibility of feeling stress and affecting sleep due to abstinence 6) Subjects who have a history of hay fever 7) Night and day shift worker or manual laborer 8) Subjects who have a disease under treatment or are judged to that medical treatment are necessary by the doctor 9) Subjects who have under treatment or a history of sleep apnea syndrome or is strongly suspected of sleep apnea syndrome 10) Subjects who have had a diagnosis of chronic fatigue syndrome 11) Subjects who have under treatment or a history of serious disease (e.g., diabetes, liver disease, kidney disease, or heart disease) and disease to affect the adrenal cortical hormone secretion 12) Subjects who are judged as unsuitable for the study based on the results of lifestyle questionnaire and other questionnaires 13) Subjects having possibilities for emerging allergy related to the study 14) Subjects who are judged as unsuitable for the study based on the results of clinical and physical examination on preliminary examination 15) Subjects who have participated in other clinical study within the last one month prior to the current study or are planned to participate in other clinical study after informed consent for the current study 16) Subjects who are planned to become pregnant after informed consent for the current study or are pregnant or lactating 17) Subjects who are judged as unsuitable for the study by the investigator for other reasons

Design outcomes

Primary

MeasureTime frame
Stress: POMS 2-A Short Sleep: electroencephalography

Secondary

MeasureTime frame
Fatigue: Fatigue VAS Sleep: OSA Sleep Inventory for Middle-Aged and Aged

Countries

Japan

Contacts

Public ContactHiroyasu Shimada

TTC Co., Ltd. Clinical Research Planning Department

h.shimada@ttc-tokyo.co.jp03-5459-5329

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026