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Efficacy and Safety of Mate Extracts on Decrement of Body and Abdominal Fat in Obese Subjects

This study has been completed.
GS Engineering & Construction
Information provided by (Responsible Party):
Min-Gul Kim, MD, Chonbuk National University Hospital Identifier:
First received: December 7, 2012
Last updated: January 25, 2013
Last verified: January 2013
Obesity is a major health issue worldwide; there is a constant raise in obesity related death each year.

Condition Intervention Phase
Obesity Dietary Supplement: Mate extract Dietary Supplement: Placebo Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Prevention
Official Title: Mate Extract Supplementation Reduces Body and Abdominal Fat in Obese Korean Subjects

Further study details as provided by Min-Gul Kim, MD, Chonbuk National University Hospital:

Primary Outcome Measures:
  • Changes in body and abdominal fat [ Time Frame: body fat: baseline, 6 weeks and 12 weeks, abdominal fat of CT: baseline and 12 weeks ]

Secondary Outcome Measures:
  • Changes in anthropometric parameters(weight, BMI, waist and hip circumference) [ Time Frame: baseline, 6 weeks and 12 weeks ]
  • Changes in blood lipid profile(total cholesterol, triglyceride, HDL-cholesterol, LDL-cholesterol, free fatty acid) [ Time Frame: baseline, 6 weeks and 12 weeks ]

Enrollment: 30
Study Start Date: October 2011
Study Completion Date: March 2012
Primary Completion Date: February 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Mate extracts group
Mate extract(3150 mg/day)for 12 weeks
Dietary Supplement: Mate extract
Mate is a South American herb that is traditionally prepared as a tea and used, among others, for weight reduction.
Other Name: Extracts of Ilex paraguariensis A. St.-Hil.
Placebo Comparator: Placebo group
Placebo (3150 mg/day) for 12 weeks
Dietary Supplement: Placebo
Amount and calorie of placebo are same with Mate extracts.

Detailed Description:

The primary aim of the study was to investigate the effect of Mate extracts in Korean subjects on body fat and abdominal fat, double blind, placebo-controlled clinical trial.

Thirty obesity subjects with BMI ≥ 25 kg/㎡ and waist-hip ratio (WHR)≥ 0.90 for men and ≥ 0.85 for women were for 12 weeks.


Ages Eligible for Study:   19 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Volunteers aged 19 to 65 years
  • 25 kg/m2 ≤ BMI ≥35 kg/m2
  • Ability to give informed consent

Exclusion Criteria:

  • Significant variation in weight (more 10%) in the past 3 month
  • Cardiovascular disease, neurologic or psychiatric disease, renal, pulmonary and hepatic abnormalities
  • History of disease that could interfere with the test products or impede their absorption, such as gastrointestinal disease (Crohn's disease) or gastrointestinal surgery (a caesum or enterocele surgery are included)
  • Laboratory test, medical or psychological conditions deemed by the investigators to interfere with successful participation in the sutdy
  • Allergic or hypersensitive to any of the ingredients in the test products
  • Pregnancy or breast feeding
  • Used antipsychosis drugs therapy within past 2 months
  • History of alcohol or substance abuse (21 units/week over)
  • Participation in any other clinical trials within past 3 months
  Contacts and Locations
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Please refer to this study by its identifier: NCT01778257

Sponsors and Collaborators
Chonbuk National University Hospital
GS Engineering & Construction
Principal Investigator: Min-Gul Kim, MD Chonbuk National University Hospital
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Min-Gul Kim, MD, Clinical Assistant Professor, Chonbuk National University Hospital Identifier: NCT01778257     History of Changes
Other Study ID Numbers: CUH_2011_GS_MATE
Study First Received: December 7, 2012
Last Updated: January 25, 2013

Keywords provided by Min-Gul Kim, MD, Chonbuk National University Hospital:
Mate extracts
abdominal fat processed this record on September 21, 2017