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Effects of consumption of the test food on sleep quality in healthy adults.

Effects of consumption of the test food on sleep quality in healthy adults. : a randomized, placebo-controlled, double-blind, parallel-group comparison study - Effects of consumption of the test food on sleep quality in healthy adults.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000058552
Enrollment
60
Registered
2025-07-22
Start date
2025-07-22
Completion date
Unknown
Last updated
2026-09-14

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

Conditions

Healthy adults.

Interventions

Duration: Eight weeks Test product: Flavonoid Duration: Eight weeks Test product: Placebo

Sponsors

Toyo Sugar Refining Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Japanese 2. Men or women 3. Adults 4. Healthy individuals 5. Individuals who are dissatisfied with their sleep quality 6. Individuals who are judged as eligible to participate in this study by the physician according to the results of the Beck depression inventory (BDI-II) at Scr 7. Individuals with low "sleepiness on rising" (Zc score) in the OSA sleep inventory MA version (OSA-MA) at Scr

Exclusion criteria

Exclusion criteria: 1. Individuals who are undergoing medical treatment or have a medical history of malignant tumor, heart failure, or myocardial infarction 2. Individuals who have a pacemaker or an implantable cardioverter defibrillator 3. Individuals who are undergoing treatment for any of the following chronic diseases: cardiac arrhythmia, liver disorder, chronic kidney disease, cerebrovascular disorder, rheumatic disease, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases 4. Individuals who are undergoing treatment of insomnia or sleep disorder 5. Individuals who have nocturia two times or more 6. Individuals who are taking "Foods for Specified Health Uses" or "Foods with Functional Claims" 7. Individuals who are taking or using medications (including herbal medicines) or supplements 8. Individuals who are allergic to medicines or foods related to the test product 9. Individuals who live with their infants less than one year old 10. Individuals who sleep with their children (one to six years old) 11. Individuals who live with and need to care for those in requiring long-term care 12. Individuals who sleep with more than one person 13. Individuals with irregular sleeping duration or patterns due to night shifts or similar work, or with irregular lifestyles 14. Individuals who currently smoke or began smoking cessation within three months before providing informed consent 15. Individuals who habitually drink >= 60 g/day of alcohol 16. Individuals who are pregnant, lactating, or planning to become pregnant during this study 17. Individuals who have been enrolled in other clinical studies within the last 28 days before the agreement to participate in this study or plan to participate in another study during this study 18. Individuals who are judged as ineligible to participate in this study by the physician

Design outcomes

Primary

MeasureTime frame
1. The measured value of "sleepiness on rising" (Zc score) at four weeks after intervention (4w)

Secondary

MeasureTime frame
1. The measured value of "sleepiness on rising" (Zc score) at two weeks after intervention (2w) 2. The change and percentage change from screening (Scr) of "sleepiness on rising" (Zc score) at 2w and 4w 3. The measured values of "initiation and maintenance of sleep" (Zc score), "frequent dreaming" (Zc score), "refreshing" (Zc score), "sleep length" (Zc score), and each item (Zc score) at 2w and 4w, as well as their changes and percentage changes from Scr 4. The measured value of total score in the Athens Insomnia Scale (AIS) at 2w and 4w, as well as its change and percentage change from Scr

Countries

Japan

Contacts

Public ContactNaoko Suzuki

ORTHOMEDICO Inc. R&D Department

nao@orthomedico.jp03-3818-0610

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026