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Effects of continuous intake of study foods on auditory function- double-blind, placebo-controlled, parallel-group study.-

Effects of continuous intake of study foods on auditory function- double-blind, placebo-controlled, parallel-group study.- - Effects of continuous intake of study foods on auditory function- double-blind, placebo-controlled, parallel-group study.-

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000046947
Enrollment
100
Registered
2023-12-04
Start date
2022-02-21
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 subjects

Interventions

24-weeks intake of the test food 24-weeks intake of the placebo food

Sponsors

HUMA R&D CORP
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Japanese men and women whose age at the time of obtaining written consent is a healthy person and a hearing person between the ages of 40 and 70. 2.Subject who feels that their auditory function is not as good as it used to be. 3.Subject with BMI>=18.5kg/m2 and <25kg/m2 (not applicable to obesity). 4.Subject who has received sufficient explanation of the purpose and content of this test, has the ability to consent, volunteered voluntarily after fully understanding, and agreed to participate in writing.

Exclusion criteria

Exclusion criteria: 1.Subject who has received a diagnosis (auditory processing disorder) related to deafness or abnormal hearing function by a doctor or a medical examination. 2.Subject who uses hearing aids. 3.Subject who has been or are prone to dementia in the past. 4.Subject who has been or are prone to depression in the past. 5.Subject who is attends the hospital due to mental or sleep disorders or have a history of mental illness in the past. 6.Subject who has or are prone to autism spectrum disorders, attention deficit hyperactivity disorder / attention deficit hyperactivity disorder in the past. 7.Subject who is currently undergoing medication or outpatient treatment due to some serious illness. 8.Subject who is currently exercising or dieting under the supervision of a doctor. 9.Subject with current or history of drug or alcohol dependence. 10.Subject who smokes or started smoking cessation within 12 months. 11.Subject with irregular life rhythms due to night shifts or shift work. 12.Subject who has extremely irregular eating or sleeping habits. 13.Subject who has an extremely unbalanced diet. 14.Subject who has serious diseases such as brain disease, malignant tumor, immune disease, diabetes, liver disease (hepatitis), renal disease, heart disease, thyroid disease, adrenal disease, and other serious current or past diseases such as metabolic disease. 15.Subject who uses or cannot refrains from using health foods, supplements, and medicines that affect hearing. 16.Subject who is extremely claustrophobic.

Design outcomes

Primary

MeasureTime frame
Hearing in Noise Test-Japanese

Secondary

MeasureTime frame
(Secondary outcomes) J-matrix test, temporal processing measurement, Visual Analog Scale (Safety evaluation) Vital signs, body measurements(weight,BMI), blood biochemistry, hematology, adverse events

Countries

Japan

Contacts

Public ContactHidemasa Toya

HUMA R&D CORP Clinical Development Department

toya@huma-rd.co.jp03-3431-1260

Outcome results

None listed

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