NCT03677921

Brief Summary

This study is a 8-week, randomized, double-blind, placebo-controlled clinical trial of Bio-Germanium for the evaluation of efficacy on immune function and immune cell activation.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
130

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Dec 2017

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

Study Start

First participant enrolled

December 10, 2017

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 10, 2018

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

September 10, 2018

Completed
2 days until next milestone

First Submitted

Initial submission to the registry

September 12, 2018

Completed
7 days until next milestone

First Posted

Study publicly available on registry

September 19, 2018

Completed
Last Updated

September 20, 2018

Status Verified

September 1, 2018

Enrollment Period

8 months

First QC Date

September 12, 2018

Last Update Submit

September 18, 2018

Conditions

Outcome Measures

Primary Outcomes (4)

  • WBC(White blood cell) Count

    WBC(White blood cell) Count

    at 8 week

  • NK(Natural killer) cell activity

    NK(Natural killer) cell activity

    at 8 week

  • Immune related indicator (IFN-γ, IL-2, 6, 12, TNF-α, IgG1, IgG2, IgM)

    Immune related indicator (IFN-γ, IL-2, 6, 12, TNF-α, IgG1, IgG2, IgM)

    at 8 week

  • Evaluation of improvement by the subjects themselves

    Evaluation of improvement by the subjects themselves (Excellent, Good, Unchanged, Worsening, Very aggravated / 5 Step)

    at 8 week

Secondary Outcomes (2)

  • Adverse reactions

    at 8 week

  • Body temperature

    at 8 week

Study Arms (2)

Investigational Group- Bio-Germanium

EXPERIMENTAL

* Ingredient: Bio-Germanium * Type: HPMC capsule * Weight: 300mg/capsule * Directions: 2 capsules, twice a day (1.2g/day of Bio-Germanium) * Duration of use: 8 weeks

Dietary Supplement: Investigational Product (Bio-Germanium)

Control Group - Placebo Product

PLACEBO COMPARATOR

* Ingredient: Corn starch * Type: HPMC capsule * Weight: 300mg/capsule * Directions: 2 capsules, twice a day * Duration of use: 8 weeks

Dietary Supplement: Control Group - Placebo Product

Interventions

* Ingredient: Bio-Germanium * Type: HPMC capsule * Weight: 300mg/capsule * Directions: 2 capsules, twice a day (1.2g/day of Bio-Germanium) * Storage: Room temperature (below 25℃) * Duration of use: 8 weeks

Investigational Group- Bio-Germanium

* Ingredient: Corn starch * Type: HPMC capsule * Weight: 300mg/capsule * Directions: 2 capsules, twice a day * Storage: Room temperature (below 25℃) * Duration of use: 8 weeks

Control Group - Placebo Product

Eligibility Criteria

Age25 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy male and female volunteers between the ages of 25 to 75 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 under the treatment for clinically significant acute or chronic diseases in cardiovascular, immune, respiratory, liver, biliary, renal, urinary, nervous, musculoskeletal system as well as psychiatric, infectious, hematologic and neoplastic diseases (exceptions can be made under the discretion of the researcher)
  • Those with uncontrolled hypertension (140/90mmHg or higher, measured after 10 minutes of resting)
  • Those with uncontrolled diabetes (fasting blood glucose levels greater than 126mg/dl or those starting diabetes medication within 3 months)
  • Those received vaccination within 3 months before screening
  • Those with blood AST(GOT) or ALT(GPT) levels greater than 120IU/L
  • Those with blood creatinine level greater than 2.4mg/dL for male and 1.8mg/dL for female
  • Those who have consumed within 2 weeks before screening or are currently consuming health supplements that can affect immune function
  • Those under the severe gastrointestinal symptoms such as heartburn, indigestion, and such
  • Those who are pregnant, breastfeeding or planning to become pregnant during this study
  • Those who are oversensitive or allergic to the investigational product
  • Those who plan to participate in other researches during this study
  • Those who participated in other researches within 4 weeks of the start of this study
  • 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

Location

Related Publications (1)

  • Cho JM, Chae J, Jeong SR, Moon MJ, Shin DY, Lee JH. Immune activation of Bio-Germanium in a randomized, double-blind, placebo-controlled clinical trial with 130 human subjects: Therapeutic opportunities from new insights. PLoS One. 2020 Oct 19;15(10):e0240358. doi: 10.1371/journal.pone.0240358. eCollection 2020.

Study Officials

  • JONGHO LEE, Ph.D.

    Yonsei University

    PRINCIPAL INVESTIGATOR

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

September 12, 2018

First Posted

September 19, 2018

Study Start

December 10, 2017

Primary Completion

August 10, 2018

Study Completion

September 10, 2018

Last Updated

September 20, 2018

Record last verified: 2018-09

Data Sharing

IPD Sharing
Will not share

Locations