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the Efficacy and Safety of Fermented Soybean(Doenjang Powder) on Intestinal Microflora and Immune Enhancement.

A 4 Weeks, Randomized, Double-blind Human Trial to Evaluate the Efficacy and Safety of Fermented Soybean(Doenjang Powder) on Intestinal Microflora and Immune Enhancement.

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05190237
Enrollment
45
Registered
2022-01-13
Start date
2021-11-19
Completion date
2022-02-07
Last updated
2022-02-16

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

Conditions

Immunity

Keywords

Fermented Soybean(Doenjang), Immunity

Brief summary

This study was conducted to investigate the efficacy and safety of Fermented soybean(Doenjang powder) on intestinal microflora and immune enhancement.

Detailed description

This study was a 4 weeks, randomized, double-blind human trial to evaluate the efficacy and safety of Fermented soybean(Doenjang powder) on intestinal microflora and immune enhancement.

Interventions

DIETARY_SUPPLEMENTTCD21-55 group

2 times a day, 1 pack for 1 time, after breakfast/dinner meal(6 g/day, Soybean paste 6 g/day) for 4 weeks

DIETARY_SUPPLEMENTTFD21-1 group

2 times a day, 1 pack for 1 time, after breakfast/dinner meal(6 g/day, Soybean paste 6 g/day) for 4 weeks

DIETARY_SUPPLEMENTTMD21-16 group

2 times a day, 1 pack for 1 time, after breakfast/dinner meal(6 g/day, Soybean paste 6 g/day) for 4 weeks

Sponsors

Chonbuk National University Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
19 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Adult men and women over 19 and under 75 years * After fully hearing and fully understanding this clinical trials, those who agree to voluntarily decide to participate and to comply with the notice

Exclusion criteria

* If screening shows that the white blood cell(WBC) is less than 3000/㎕ or more than 8000/㎕ * Those who have a body mass index(BMI) of less than 18.5 kg / m\^2 or greater than 35 kg / m\^2 at the screening * Those who have a clinically significant acute or chronic cardiovascular system, endocrine system, immune system, respiratory system, liver biliary system, kidney and urinary system, neuropsychiatry, musculoskeletal system, inflammatory and hematologic and gastrointestinal disorders * Those who take a medication or health function food that affects your promotion of immunity within 1 month prior to the screening * Those who have received antipsychotic medication within 3 months before screening * Those who alcoholic or drug abuse suspected * Those who participated in other clinical trials within 3 months before screening * Laboratory test by show the following results * Aspartate Transaminase(AST), Alanine Transaminase(ALT) \> Reference range 3 times upper limit * Serum Creatinine \> 2.0 mg/dL * Pregnancy or breast feeding * Those who doesn't accept the implementation of appropriate contraception of a childbearing woman * Principal Investigator judged inappropriate for participation in study because of Laboratory test result, etc.

Design outcomes

Primary

MeasureTime frameDescription
Changes in intestinal microflorabaseline and 4 weeksPut more than 1 g of feces in the fecal kit, and perform analysis
Changes of Natural Killer cell activitybaseline and 4 weeksNatural Killer cell activity was measured in study baseline and 4 week. A ratio of effector cell and target cell was 50:1, 25:1, 12.5:1. (Experimental - Effector Spontaneous - Target Spontaneous) / (Target Maximum - Target Spontaneous) × 100

Secondary

MeasureTime frameDescription
Changes of Interleukin-2, Interleukin-12, Interferon-Gamma and Tumor necrosis factor-alphabaseline and 4 weeksFor blood Interleukin-2, Interleukin-12, Interferon-Gamma and Tumor necrosis factor-alpha analysis, collect 3 ml of blood in one serum separate tube for 5 ml, leave at room temperature for 30 minutes for clotting, after then centrifuge at 3000 rpm (or 2000 xg) for 10 minutes.
Wisconsin Upper Respiratory Symptom Survey-21(WURSS-21)baseline and 4 weeksThe Wisconsin Upper Respiratory Symptom Survey-21 will investigate on the day of visit(visit 1,2). The Wisconsin Upper Respiratory Symptom Survey-21 consists of seven stages, including individual symptoms, functional quality of life, and overall improvement. Find the total score of symptoms by obtaining the sum of symptom questions, and the total score of quality of life by obtaining the sum of life questions. Additionally, the sum of the total points of symptoms and quality of life is obtained. All items of symptom score rank on a seven-point scale(1=very mild and 7=severe), where a higher score means higher severity. The symptom score ranges from 0(Do not have this symptom) to 70. All items of quality of life score rank on a seven-point scale(1=very mildly and 7=severely), where a higher score means higher severity. The quality of life score ranges from 0(Not at all) to 63. Therefore, the total score ranges from 0 to 133.
Patient global assessment(PGA)4 weeksIt is a questionnaire in which the study subjects self-evaluate the degree of improvement in immunity improvement 4 weeks after intake compared to before and after intake of human-applied test products. A total of five-step evaluation criteria are used for evaluation, and they are evaluated as very good (1), good (2), constant (3), bad (4), and very bad (5).

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026