| Unique ID issued by UMIN | UMIN000062300 |
|---|---|
| Receipt number | R000071185 |
| Scientific Title | A Study on the Effects of Continuous Intake of the Test Food on sleep quality in menopausal women: A randomized, double-blind, placebo-controlled, parallel-group study |
| Date of disclosure of the study information | 2026/07/22 |
| Last modified on | 2026/07/22 11:18:23 |
A Study on the Effects of Continuous Intake of the Test Food on sleep quality in menopausal women
A Study on the Effects of Continuous Intake of the Test Food on sleep quality in menopausal women
A Study on the Effects of Continuous Intake of the Test Food on sleep quality in menopausal women: A randomized, double-blind, placebo-controlled, parallel-group study
A Study on the Effects of Continuous Intake of the Test Food on sleep quality in menopausal women: A randomized, double-blind, placebo-controlled, parallel-group study
| Japan |
Healthy participants
| Adult |
Others
NO
To investigate the effects of 12-week continuous intake of the test food on sleep quality in healthy Japanese women aged 40 to 64 years who are dissatisfied with their sleep quality through a randomized, double-blind, placebo-controlled, parallel-group study.
Safety,Efficacy
Confirmatory
Pragmatic
Not applicable
(1) Actual values of sleep time in Oguri-Shirakawa-Azumi Sleep Questionnaire MA version (OSA-MA) after 12 weeks of intake
(1) Actual values of sleep time in OSA-MA after 6 weeks of intake
(2) Change and rate of change from baseline in sleep time in OSA-MA after 6 and 12 weeks of intake
(3) Actual values, change, and rate of change from baseline in sleepiness on rising, initiation and maintenance of sleep, frequent dreaming, recovery from fatigue, and each question item in OSA-MA after 6 and 12 weeks of intake
(4) Actual values, change, and rate of change from baseline in total score and vasomotor, mental, and physical nervous symptoms, and each question item in Simplified Menopausal Index (SMI) after 12 weeks of intake
(5) Actual values, change, and rate of change from baseline in TMD score, TA, DD, AH, VA, FI, CB, F, and each question item in Profile of Mood States 2nd Edition (POMS-2) Adult Short Form after 12 weeks of intake
(6) Actual values, change, and rate of change from baseline in Visual Analog Scale (VAS) (shoulder discomfort, lower back discomfort, eye fatigue) after 6 and 12 weeks of intake
(7) Urinary equol concentration after isoflavone intake and its change from baseline after 12 weeks of intake
(8) Number of equol producers and its change from baseline after 12 weeks of intake
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
YES
NO
2
Prevention
| Food |
Continuous intake of the test food for 12 weeks
Continuous intake of the placebo food for 12 weeks
| 40 | years-old | <= |
| 64 | years-old | >= |
Female
(1) Healthy Japanese women aged 40 to 64 years.
(2) Individuals who had menstruation within the past 1 year and are irregular or less than 5 years postmenopausal.
(3) Individuals whose total score of Simplified Menopausal Index (SMI) is 50 or less.
(4) Individuals who are dissatisfied with their sleep quality.
(5) Individuals who feel temporary discomfort such as shoulder pain.
(6) Individuals who have received sufficient explanation regarding the purpose and contents of this study, have the capacity to consent, fully understand, volunteer of their own free will, and provide electronic informed consent.
(7) Individuals judged by the principal investigator to have no problems participating in the study based on the interview during the pre-observation period.
(8) Among those who meet the criteria (1) to (7) above and do not meet the exclusion criteria, those who have lower scores for sleep time in the OSA sleep questionnaire during the web-screening and pre-observation period.
(1) History/treatment of mental illness, sleep apnea, hypersomnia, narcolepsy, insomnia, or valvular heart disease.
(2) History/treatment of malignancy, cerebrovascular, heart, liver, kidney, hematologic, or endocrine disease.
(3) Undergoing treatment for gynecological diseases (e.g., menopausal disorders, dysmenorrhea).
(4) History of oophorectomy or hysterectomy.
(5) History/treatment of gastrointestinal disease (e.g., gastrectomy, resection; excluding appendectomy alone).
(6) Subjective sleep disorder symptoms (snoring, daytime sleepiness, choking, gasping, insomnia, or witnessed apnea).
(7) Nocturia disrupting sleep.
(8) Having an infant under 1 year old at home.
(9) Bed-sharing with a toddler.
(10) Living with and caring for a person requiring nursing care.
(11) Sharing bedding with others.
(12) Over 5 years postmenopausal.
(13) Lactating, pregnant, possibly pregnant, or planning pregnancy during the study.
(14) Receiving hormone replacement therapy.
(15) Regular use of oral contraceptives or Kampo medicine.
(16) Regular use of supplements for menopausal relief (e.g., equol).
(17) Regular use of supplements/foods/beverages for fatigue, stress, sleep, joint discomfort, or eye strain.
(18) Daily soy isoflavone intake of 50 mg or more.
(19) Treatment/medication for chronic diseases affecting study results.
(20) Current smoker.
(21) Quit smoking within 3 months before informed consent.
(22) Habitual alcohol drinker.
(23) Extremely irregular sleep or dietary habits.
(24) Expected major changes in environment, diet, or exercise during the study.
(25) Potential allergy to the study food.
(26) Current, recent (within 4 weeks), or planned participation in other clinical trials.
(27) Otherwise judged ineligible by the principal investigator.
66
| 1st name | Soma |
| Middle name | |
| Last name | Ode |
Macromill Carenet, Inc.
Clinical Research Solution Division
108-0075
Shinagawa East One Tower 11F, 2-16-1 Konan, Minato-ku, Tokyo, Japan
03-6716-7108
umin_info@macromillcarenet.jp
| 1st name | Yumi |
| Middle name | |
| Last name | Kimoto |
Macromill Carenet, Inc.
Clinical Research Solution Division
108-0075
Shinagawa East One Tower 11F, 2-16-1 Konan, Minato-ku, Tokyo, Japan
03-6716-7108
umin_info@macromillcarenet.jp
Macromill Carenet, Inc.
FUJICCO CO., LTD.
Profit organization
Ethical Committee of Kobuna Orthopedics Clinic
311-2 Joto-machi, Maebashi-shi, Gumma
027-212-5608
sagawa@mc-connect.co.jp
NO
医療法人公雄会こぶな整形外科医院倫理審査委員会
| 2026 | Year | 07 | Month | 22 | Day |
Unpublished
Preinitiation
| 2026 | Year | 07 | Month | 09 | Day |
| 2026 | Year | 07 | Month | 09 | Day |
| 2026 | Year | 08 | Month | 19 | Day |
| 2026 | Year | 12 | Month | 15 | Day |
| 2026 | Year | 07 | Month | 22 | Day |
| 2026 | Year | 07 | Month | 22 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071185