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Effects of consumption of the test food on the immune function in healthy Japanese subjects

Effects of consumption of the test food on the immune function in healthy Japanese subjects: a randomized, placebo-controlled, double-blind, parallel-group comparison study - Effects of consumption of the test food on the immune function in healthy Japanese subjects

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000049635
Enrollment
40
Registered
2022-11-28
Start date
2022-11-28
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 Japanese subjects

Interventions

Duration: 12 weeks Test food: Nucleotide containing capsule Administration: Take two capsules per day at breakfast with water *If you forget to take the test food, take it as soon as you remember

Sponsors

ORTHOMEDICO Inc.
Lead Sponsor
Medical Corporation Seishinkai, Takara Clinic Nerima Medical Association, Minami-machi Clinic
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Japanese 2. Men or women 3. Subjects aged 50 or more 4. Healthy subjects 5. Subjects who have one or more days with common cold symptoms in the week prior to screening (before consumption; Scr) 6. Subjects who have low scoring of immunological vigor at Scr

Exclusion criteria

Exclusion criteria: 1. Subjects who are undergoing medical treatment or have a medical history of malignant tumor, heart failure, and myocardial infarction 2. Subjects who have a pacemaker or an implantable cardioverter defibrillator (ICD) 3. Subjects currently undergoing treatment for any of the following chronic diseases: cardiac arrhythmia, liver disorder, kidney disorder, cerebrovascular disorder, rheumatism, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases 4. Subjects currently undergoing treatment for pollen allergy or allergic rhinitis 5. Subjects who use or take "Foods for Specified Health Uses," or "Foods with Functional Claims" in daily 6. Subjects who are currently taking medications (including herbal medicines) and supplements 7. Subjects who are allergic to medicines and/or the test food related products 8. Subjects who are pregnant, lactating, or planning to become pregnant during this trial 9. Subjects who are smokers or have quit smoking within the last year before the agreement to participate in this trial 10. Subjects who suffer from COVID-19 11. Subjects who have received vaccination for influenza within the last seven days before the agreement to participate in this trial 12. Subjects who have been enrolled in other clinical trials within the last 28 days before the agreement to participate in this trial or plan to participate another trial during this trial 13. Subjects who are judged as ineligible to participate in this study by the physician

Design outcomes

Primary

MeasureTime frame
1. The cumulative number of onset days with common cold symptoms per subject

Secondary

MeasureTime frame
1. The maximum duration of the days with common cold symptoms per subject 2. The cumulative number of onset days and the maximum duration of the days with whole body malaise, chilliness, feverishness, fatigue, sneezing, nasal discharge, blocked nose, throat pain, cough, joint pain, muscle pain, and headache per subject 3. The cumulative number of onset days with common cold symptoms, whole body malaise, chilliness, feverishness, fatigue, sneezing, nasal discharge, blocked nose, throat pain, cough, joint pain, muscle pain, and headache per group 4. Scoring of immunological vigor at 12 weeks after consumption (12w) 5. Immunological grade at 12w 6. T lymphocyte age (upper limit and lower limit) at 12w 7. Scoring of following items: number of T cells, number of CD8+CD28+ T cells, CD4+T cells / CD8+T cells ratio, number of naive T cells, naive T cells / memory T cells ratio, number of B cells, and number of natural killer (NK) cells at 12w 8. Number of T cells, CD4+ T cells / CD8+ T cells ratio, number of naive T cells, naive T cells / memory T cells ratio, number of B cells, number of NK cells, number of CD8+CD28+ T cells, number of CD4+ T cells, number of CD8+ T cells, number of memory T cells, percentage of T cells, percentage of CD4+ T cells, percentage of CD8+ T cells, percentage of naive T cells, percentage memory T cells, percentage of CD56+16- NK cells, percentage of CD56+16+ NK cells, percentage of B cells, percentage of CD8+CD28+ T cells, secretary immunoglobulin A (sIgA) in the saliva, and NK cell activity at 12w

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: Jul 3, 2026