NCT03739970

Brief Summary

This study is a 8-week, randomized, double-blind, placebo-controlled clinical trial of Silk Peptide for the evaluation of efficacy on immune function enhancement.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
110

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Nov 2018

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 31, 2018

Completed
14 days until next milestone

First Posted

Study publicly available on registry

November 14, 2018

Completed
1 day until next milestone

Study Start

First participant enrolled

November 15, 2018

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 29, 2019

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

February 28, 2019

Completed
Last Updated

November 14, 2018

Status Verified

November 1, 2018

Enrollment Period

3 months

First QC Date

October 31, 2018

Last Update Submit

November 9, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • NK(Natural killer) cell activity

    Changes of NK(Natural killer) cell activity were before and after the intervention

    0 week, 8 week

Secondary Outcomes (8)

  • IFN-γ

    0 week, 8 week

  • TNF-α

    0 week, 8 week

  • IL-1β

    0 week, 8 week

  • IL-2

    0 week, 8 week

  • IL-6

    0 week, 8 week

  • +3 more secondary outcomes

Study Arms (2)

Investigational Group- Silk Peptide

EXPERIMENTAL

* Ingredient: Silk Peptide * Type: Yellow granule stick * Weight: Silk Peptide 9g/day * Directions: with water before breakfast and dinner, 9g/day (4.5g×2times/day) * Duration of use: 8 weeks

Dietary Supplement: Investigational Product (Silk Peptide)

Control Group - Placebo Product

PLACEBO COMPARATOR

* Ingredient: Microcrystalline Cellulose * Type: Yellow granule stick * Weight: Silk Peptide 0g/day * Directions: with water before breakfast and dinner, 9g/day (4.5g×2times/day) * Duration of use: 8 weeks

Dietary Supplement: Control Group - Placebo Product

Interventions

* Ingredient: Silk Peptide * Type: Yellow granule stick * Storage: Room temperature * Weight: Silk Peptide 9g/day * Directions: with water before breakfast and dinner, 9g/day (4.5g×2times/day) * Duration of use: 8 weeks

Investigational Group- Silk Peptide

* Ingredient: Microcrystalline Cellulose * Type: Yellow granule stick * Storage: Room temperature * Weight: Silk Peptide 0g/day * Directions: with water before breakfast and dinner, 9g/day (4.5g×2times/day) * Duration of use: 8 weeks

Control Group - Placebo Product

Eligibility Criteria

Age50 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult male and female volunteers over 50 years
  • Screening result for WBC counts in between 4,000 cells/ul and 8,000 cells/ul
  • Volunteers who have agreed to participate in the study and provided a written content by him/herself or through its legal representative

You may not qualify if:

  • Those with a history of drug and clinically significant hypersensitivity reactions
  • Those with thyroid or pituitary disease
  • Those with acute severe cardiovascular disease such as heart failure, myocardial infarction, and stroke
  • Those with immune system disease or severe liver failure, kidney failure or history
  • Those with a history of systemic diseases such as malignancy, lung disease, leukemia, collagenosis, multiple sclerosis, allergic skin disease and other autoimmune diseases
  • Those with a BMI of less than 18.5 kg/m2 at screening
  • Those diagnosed with diabetes
  • Those with a history of gastrointestinal disorders (ex. Crohn's disease) or gastrointestinal surgery (excluding simple appendectomy or hernia surgery) that may affect the absorption of clinical trial products
  • Those who have consumed medicines, healthy functional foods within 2 weeks before screening or are currently consuming health supplements that can affect immune function. (For health functional foods, they can participate through 1 week before the first intake day.)
  • Those who have received antipsychotic medication within 2 months before screening
  • Those with a alcoholism or history of substance abuse
  • Those who participated in other clinical trials within 2 months before screening
  • Those who are pregnant, breastfeeding
  • Fertile women who do not accept the appropriate method of contraception (except for women who have undergone sterilization operation)
  • Those who are deemed inappropriate by the researcher

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Laboratory of Clinical Nutrigenetics/Nutrigenomics, Yonsei University.

Seoul, 03722, South Korea

RECRUITING

Study Officials

  • JONGHO LEE, Ph.D.

    Yonsei University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

JONGHO LEE, Ph.D.

CONTACT

JUNGMIN CHO, M.S.

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor, Principal Investigator

Study Record Dates

First Submitted

October 31, 2018

First Posted

November 14, 2018

Study Start

November 15, 2018

Primary Completion

January 29, 2019

Study Completion

February 28, 2019

Last Updated

November 14, 2018

Record last verified: 2018-11

Locations