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CompletedNCT03028077Updated Jan 23, 2017

Effects of GS-3K8 and GINst15 on Acute Respiratory Illness

An interventional study of GS-3K8 and GINst15 in Acute Respiratory Infection, sponsored by Chonbuk National University Hospital. Completed at 1 site in South Korea. Open to participants aged 39 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2017-01-23.

Sponsored by Chonbuk National University Hospital · Not applicable, Interventional, and Prevention

Phase
Not applicable
Study type
Interventional
Enrollment
45
Allocation
Randomized
Ages
39 Years to 65 Years
Sex
All
01

Study summary

This study was conducted to investigate the effects of daily supplementation of GS-3K8 or GINst15 on acute respiratory illness (ARI) in healthy subjects.

Read the detailed description

This study was a 8 weeks, randomized, double-blind, placebo-controlled trial. Forty five subjects were randomly divided into GS-3K8 (Ultrafiltered red ginseng extract) or GINst15 (Hydrolyzed ginseng extract) or placebo group. The primary clinical outcome measure was the incidence of ARI. The secondary clinical outcome measure was the development and duration of ARI symptoms.

02

Conditions studied

  • Acute Respiratory Infection

Keywords

  • ultrafiltered red ginseng
  • hydrolyzed ginseng
  • acute respiratory illness
  • clinical trial
03

In context

Lead sponsor

Chonbuk National University Hospital is the lead sponsor of 92 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
39 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Age 39-65 years with healthy adults

Exclusion criteria

Exclusion Criteria:

  • Subjects had been vaccinated against influenza in the previous 6 months
  • Subjects with symptoms of upper respiratory tract infection
  • Subjects with acute/chronic disease
  • History of alcohol or substance abuse
  • History of disease that could interfere with the test products or impede their absorption
  • Subjects taking medications such as immune or upper respiratory tract infection related drug or functional foods
  • Abnormal liver or kidney function tests
  • Pregnant or lactating women and heavy smokers
  • Being judged by the responsible physician of the local study center as unfit to participate in the study
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Study design

Phase
Not applicable
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
45 participants (actual)

Study arms

  • Experimental
    GS-3K8

    GS-3K8 (6 cap/day, 500 mg/cap) for 12 weeks

    Dietary Supplement: GS-3K8

  • Experimental
    GINst15

    GINst15 (6 cap/day, 500 mg/cap) for 12 weeks

    Dietary Supplement: GINst15

  • Placebo comparator
    Placebo

    Placebo for 12 weeks

    Dietary Supplement: Placebo

Interventions

  • Dietary supplementGS-3K8

    GS-3K8 (ultrafiltered red ginseng extract) 1 g/day

  • Dietary supplementGINst15

    GINst15 (hydrolyzed ginseng extract) 1 g/day

  • Dietary supplementPlacebo

    Placebo 1 g/day

06

What researchers measure

Primary outcomes

  1. Incidence rate of ARI (by questionnaire)

    Incidence of ARI were assessed before and after intervention and followed up for 6 weeks after termination.

    Time frame: 18 weeks (intervention for 12 weeks, follow up for 6 weeks after termination)

Secondary outcomes

  1. Development of ARI symptoms (by questionnaire)

    Development of ARI symptoms (score) were assessed before and after intervention and followed up for 6 weeks after termination.

    Time frame: 18 weeks (intervention for 12 weeks, follow up for 6 weeks after termination)

  2. Duration of ARI symptoms (by questionnaire)

    Duration of ARI symptoms were assessed before and after intervention

    Time frame: 18 weeks (intervention for 12 weeks, follow up for 6 weeks after termination)

07

Study locations

1 site
  • Clinical Trial Center for Functional Foods Chonbuk National University Hospital
    Jeonju, Jeollabuk-do 560-822, South Korea
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 23, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT03028077
Lead sponsor
Chonbuk National University Hospital
Responsible party
Soo-Wan Chae (Principal investigator, Clinical Trial Center for Functional Foods, Chonbuk National University Hospital) — Principal investigator
First posted
Jan 23, 2017
Start date
Oct 2014
Primary completion
Mar 2015
Completion
Mar 2015
Last update
Jan 23, 2017

Study contacts

Jeong Hwan Hwang, M.D. Ph. D
principal investigator · Chonbuk National University Hospital

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jan 2017. You cannot join it, but the record below documents what was studied.

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