the Efficacy and Safety of Curcuma Longa Extract Mixture on Immune Enhancement
This Study Was a 8 Weeks, Randomized, Double-blind, Placebo-controlled Human Trial to Evaluate the Efficacy and Safety of Curcuma Longa Extract Mixture on Immune Enhancement
1 other identifier
interventional
100
1 country
1
Brief Summary
This study was conducted to investigate the efficacy and safety of Curcuma longa extract mixture on immune enhancement
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Feb 2022
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 4, 2022
CompletedFirst Submitted
Initial submission to the registry
March 20, 2022
CompletedFirst Posted
Study publicly available on registry
April 12, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 27, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
May 27, 2022
CompletedApril 12, 2022
April 1, 2022
3 months
March 20, 2022
April 10, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Changes of Natural Killer cell activity
Natural Killer cell activity was measured in study baseline and 8 week, using A ratio of effector cell to target cell ratio of 2.5:1, 5:1, 10:1. Natural Killer cell activity(%) = (Experimental - Effector Spontaneous - Target Spontaneous) / (Target Maximum - Target Spontaneous) × 100
baseline and 8 weeks
Secondary Outcomes (2)
Changes of Interleukin-2, Interleukin-12, Interferon-Gamma and Tumor necrosis factor-alpha
baseline and 8 weeks
Changes of Wisconsin Upper Respiratory Symptom Survey-21(WURSS-21)
baseline, 4 weeks and 8 weeks
Study Arms (2)
Curcuma longa L. extract mixture group
EXPERIMENTAL2 times a day, 2 capsule for 1 time, after breakfast and dinner meal (1.6 g/day, Curcuma longa L. extract mixture 1 g/day)
placebo group
PLACEBO COMPARATOR2 times a day, 2 capsule for 1 time, after breakfast and dinner meal (1.6 g/day, Curcuma longa L. extract mixture 0 g/day)
Interventions
2 times a day, 2 capsule for 1 time, after breakfast/dinner meal, for 8 week
2 times a day, 2 capsule for 1 time, after breakfast/dinner meal, for 8 week
Eligibility Criteria
You may qualify if:
- 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
You may not qualify if:
- If screening shows that the white blood cell(WBC) is less than 3000/㎕ or more than 8000/㎕
- Those who received influenza vaccination within 2 months before first intake of intervention
- 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.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Clinical Trial Center for Functional Foods Chonbuk National University Hospital
Jeonju, Jeollabuk-do, 54907, South Korea
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator, Clinical Trial Center for Functional Foods
Study Record Dates
First Submitted
March 20, 2022
First Posted
April 12, 2022
Study Start
February 4, 2022
Primary Completion
April 27, 2022
Study Completion
May 27, 2022
Last Updated
April 12, 2022
Record last verified: 2022-04