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Clinical Trial for the Evaluation of the Efficacy and Safety of Lactoferrin(purified protein extract from whey) on Immune Function

A 12 week, Randomized, Double-Blind, Placebo-Controlled Clinical Trial for the Evaluation of the Efficacy and Safety of Lactoferrin(purified protein extract from whey) on Immune Function

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0009878
Enrollment
100
Registered
2024-10-25
Start date
2023-11-30
Completion date
Unknown
Last updated
2024-11-14

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

Conditions

None listed

Interventions

Dietary Supplement : Treatment group: 1 tablet, once a day (300 mg as purified protein extract from whey(Lactoferrin)) Control group: 1 tablet, once a day (0 mg as purified protein extract from whey(

Sponsors

Lion Corporation
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) General adult (men and women) between the ages of 20 and 80 2) A person whose WBC is less than 3x10 3 cells/µL or greater than 8 x10 3 cells/µL in the screening test. 3) Those who meet one or more of the following criteria ? Those who have had symptoms of upper respiratory infection (Common cold, Tonsillitis, Pharyngitis, Laryngitis, Rhinitis etc.) more than twice within 1 year before the screening test ? Those who have had symptoms of herpes zoster more than twice within 1 year before the screening test ? Those who have had symptoms of stomatitis more than twice within 1 year before the screening test 4) Those who have a high score(> 16) on the Perceived Stress Scale (PSS) 5) A person who agrees to participate in the human application test and completes a written informed consent form before the human application test begins

Exclusion criteria

Exclusion criteria: 1) At the time of screening, any disease that may affect immunity (e.g., leukemia, autoimmune disease, inflammatory systemic disease, metabolic syndrome, infectious disease, or conditions (e.g., Such as malnutrition) 2) Have clinically significant endocrine, respiratory or musculoskeletal disorders requiring medical treatment 3) Severe brain disease (e.g. stroke, cerebral infarction, cerebral hemorrhage, etc.) or heart disease (e.g. cardiovascular disease, arrhythmia, heart failure, myocardial infarction, history of pacemaker use) 4) Participants with uncontrolled hypertension (systolic blood pressure =160 mmHg or diastolic blood pressure =100 mmHg, measured after 10 minutes of rest). 5) Fasting blood glucose =126 mg/dL or starting antidiabetic medication(Oral hypoglycemic agents, insulin, etc.) 6) TSH lower than 0.1µIU/ml or upper than 10 µIU/ml 7) Immunizations (Influenza, COVID-19, Herpes Zoster, etc.) within 2 months before screening 8) AST(GOT) and ALT(GPT) is at least twice the normal range 9) Creatinine is at least twice the normal range 10) Those who have consumed medicine(e.g., immunosuppressants, antibiotics, steroids, anti-inflammatory drugs, antihistamines, etc.) or health supplements related to immune function(e.g., Products containing individually approved or notified raw materials such as perilla leaf extract, silk protein acid hydrolyzate Sil Q1, beta-glucan powder, red ginseng, zinc, et) within 2 weeks before screening 11) Those who consumed more than 1,000 ml/day of milk or related products 12) Those with a history of gastrointestinal diseases (e.g., Crohn's disease, Gastric bypass surgery, irritable bowel syndrome) or Those with a history of milk products(e.g., lactoferrin) significant hypersensitivity reactions 13) Pregnant or lactating women or subjects planning to become pregnant during the clinical trial period 14) Individuals who have participated in another clinical trial within 8 weeks before the start of the current trial or plan to participate in another trial during the course of the current trial 15) Individuals sensitive to or allergic to ingredients related to the test food for the human clinical trial 16) BMI(Body Mass Index) greater than 30 kg/m2 17) Those who have consumed excessive amounts of alcohol within 1 month (30 days) prior to Visit 1(man 210g/week, women 140g/week) 18) Individuals judged by the participant to be unsuitable for the current human clinical trial 19) Those who plan or are expected to use concomitant non-drugs or therapies during the clinical trial period

Design outcomes

Primary

MeasureTime frame
Natural Killer Cell activity

Secondary

MeasureTime frame
Cytokine(IFN-?, TNF-a, IL-6, IL-10, IL-12);WBC Count;The frequency of upper respiratory tract infections;FSS (Fatigue Severity Scale);Assessment of improvement of subjects and testers

Countries

Korea, Republic of

Contacts

Public ContactJang min woo

Pusan National University Hospital

mtow0620@gmail.com+82-51-240-8438

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026