MedPath

Antioxidant Effect of Aged Garlic Extract

Not Applicable
Completed
Conditions
Heavy Smoker or Non-smoker
Interventions
Dietary Supplement: Placebo
Dietary Supplement: Aged garlic extract
Registration Number
NCT02019368
Lead Sponsor
Hiroshima University
Brief Summary

This is a randomized, double-blind, placebo controlled, crossover study to determine the antioxidant effect of aged garlic extract. This study will also compare the oxidative status in heavy smokers with that in non-smokers.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
60
Inclusion Criteria
  • Smoking (at least 20 cigarettes per day) or non-smoking (more than 20 years)
Exclusion Criteria
  • Under medication for chronic disease
  • Garlic allergy
  • Engaging in vigorous exercise
  • Taking drugs or functional food that may possess antioxidant property
  • Participation in any clinical trial within 90 days of the commencement of the trial
  • Renal or hepatic dysfunction
  • Heart disease

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboSmoker subjects take 6 capsules once a day for 4 weeks.
Aged garlic extractAged garlic extractSmoker subjects take 1.5 g of aged garlic extract in 6 capsules once a day for 4 weeks.
Primary Outcome Measures
NameTimeMethod
Urinary 8-hydroxydeoxyguanosine (8-OHdG)Every 4 weeks (Overall 12 weeks)
Secondary Outcome Measures
NameTimeMethod
High sensitive CRPEvery 4 weeks (Overall 12 weeks)
Blood pressureEvery 4 weeks (Overall 12 weeks)
Indices of the second derivative of photoplethysmogram (SDPTG)Every 4 weeks (Overall 12 weeks)

Trial Locations

Locations (1)

Hiroshima University

🇯🇵

Hiroshima, Japan

© Copyright 2025. All Rights Reserved by MedPath