NCT05480774

Brief Summary

This is a placebo-controlled, randomized, double-blind, multiple dose study that evaluated the safety, tolerability, and changes in indicators of immune function of Korean Red Ginseng Extract in Vietnamese healthy subjects following oral administration of multiple dose of Korean Red Ginseng Extract as hard capsules or placebo to healthy adult men.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
101

participants targeted

Target at P75+ for phase_1 healthy

Timeline
Completed

Started Aug 2022

Typical duration for phase_1 healthy

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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 26, 2022

Completed
3 days until next milestone

First Posted

Study publicly available on registry

July 29, 2022

Completed
8 days until next milestone

Study Start

First participant enrolled

August 6, 2022

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 3, 2022

Completed
28 days until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2022

Completed
Last Updated

January 31, 2023

Status Verified

July 1, 2022

Enrollment Period

4 months

First QC Date

July 26, 2022

Last Update Submit

January 30, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Adverse events associated with the administration of KRG

    Frequency and characteristics of adverse events associated with the administration of KRG

    12 weeks

Secondary Outcomes (5)

  • Natural killer (NK) cell count

    12 weeks

  • White blood cell count

    12 weeks

  • Interferon (IFN)-α, β, γ levels

    12 weeks

  • Tumor necrosis factor (TNF)-α, β, γ levels

    12 weeks

  • Interleukin (IL)-1, 4, 6 levels

    12 weeks

Study Arms (2)

KRG hard capsules

ACTIVE COMPARATOR

Each KRG hard capsule contains 500 mg of red ginseng extract. Dosage of KRG hard capsule: oral administration of 1 capsule twice daily for 12 weeks.

Drug: KRG hard capsule

Placebo hard capsules

PLACEBO COMPARATOR

The composition of the Placebo hard capsule contains red ginseng flavor. Dosage of Placebo hard capsule: oral administration of 1 capsule twice daily for 12 weeks.

Drug: Placebo hard capsule

Interventions

Each subject was given orally 2 KRG hard capsules/day for 12 weeks

KRG hard capsules

Each subject was given orally 2 placebo hard capsules/day for 12 weeks

Placebo hard capsules

Eligibility Criteria

Age20 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy adult male or female aged 20 to 65 years, inclusive at the time of informed consent
  • Have not any abnormalities of vital signs (temperature, systolic blood pressure (SBP) and diastolic blood pressure (DBP) and pulse rate), physical examinations, clinical laboratory tests (hematology, chemistry, and urinalysis).
  • Ability and willingness to provide written informed consent and to comply with the requirements of the protocol.
  • Peripheral white blood cells in the range of 3000 - 10,000/μL
  • Subjects with a history of being infected with COVID-19 within 12 months according to the diagnostic criteria of the Ministry of Health at the time of infection

You may not qualify if:

  • Pregnancy or lactation
  • For subjects of reproductive potential, a positive result from a serum pregnancy test at screening, or not willing to use reliable means of contraception
  • Evidence of clinically significant acute or chronic hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psych, neurological, or neoplastic diseases (however, at the discretion of the principal investigator, subjects may also be considered)
  • Uncontrolled hypertension (SBP ≥160 mmHg and/or DBP ≥100 mmHg, measured following at least 10 mins of rest)
  • Uncontrolled diabetes (fasting glucose level above 126 mg/dL or diabetic patients who have initial treatment with antidiabetic drugs for ≤ 3 months)
  • Aspartate aminotransferase or alanine aminotransferase \>=3.0 × upper limit of normal
  • Serum creatinine level \> 2,4 mg/dL for male and \> 1,8 mg/dL for female
  • Use of medications and dietary supplements that can affect immunity within 2 weeks before screening
  • Those who complain of severe gastrointestinal symptoms such as heartburn and indigestion
  • History of sensitivity or allergy to investigational product-related foods
  • Plan to participate in other research while participating in this research
  • Subject who, in the judgment of the Investigator, is likely to be non-compliant or uncooperative during the study.
  • Failure of follow instructions for discontinuing immune-affecting dietary supplements during the wash-out period prior to trial participation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Centre of Clinical Pharmacology

Hanoi, Vietnam

Location

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 26, 2022

First Posted

July 29, 2022

Study Start

August 6, 2022

Primary Completion

December 3, 2022

Study Completion

December 31, 2022

Last Updated

January 31, 2023

Record last verified: 2022-07

Locations