Evaluation of Metabolism-Boosting Beverages
The Effect of Metabolism-Boosting Beverages on 24 Hr Energy Expenditure
2 other identifiers
interventional
30
1 country
1
Brief Summary
The purpose of this study is to assess the effect of Metabolism-boosting Beverages (MBB) containing green tea extract with a standardized amount of epigallocatechin gallate (EGCG) and caffeine.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Jun 2007
Shorter than P25 for not_applicable
1 active site
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
June 1, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2007
CompletedFirst Submitted
Initial submission to the registry
December 7, 2009
CompletedFirst Posted
Study publicly available on registry
December 9, 2009
CompletedDecember 9, 2009
December 1, 2009
6 months
December 7, 2009
December 8, 2009
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
To assess the effect of MBBs on REE by performing indirect calorimetry
30, 60, 90, and 120 minutes
Secondary Outcomes (1)
To assess the effect of MBBs on appetite via visual analogue scales
30, 60, 90, and 120 minutes
Interventions
Medifast metabolism-boosting beverages containing 90 mg EGCG and 100 mg caffeine.
Eligibility Criteria
You may qualify if:
- Adult males and females (age between 18 and 65)
- BMI ≥18.5 - ≤ 40.0 kg/m2
- Non-smokers
- No known food allergies to wheat, gluten, soy or nuts
- ≤ 14 alcoholic beverages per week
- No sensitivity to caffeine or green tea
- No alcohol or caffeine on days when metabolism is tested
- Willing and able to give informed consent
- Not currently using appetite-affecting medications (e.g SSRIs, steroids, Ritalin)
- Not pregnant or lactating
You may not qualify if:
- Actively dieting
- Chronic uncontrolled health problems (not including obesity or controlled: type-2 diabetes, hyperlipidemia, hypertension)
- History of arrhythmia, or taking anti-arrhythmic medications (e.g. propafenone)
- Schizophrenia, history of bipolar disorder, current Major Depressive Disorder
- Dependence on alcohol or sedative-hypnotic drugs (e.g. benzodiazepines)
- Cognitive impairment severe enough to preclude informed consent
- Taking weight loss or appetite-suppressant medications
- Taking appetite affecting medications (e.g. SSRIs, steroids, Ritalin)
- Food allergies to wheat, gluten, soy, or nuts
- Sensitivity to caffeine or green tea
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Medifast, Inc.lead
Study Sites (1)
Medifast Inc.
Owings Mills, Maryland, 21117, United States
Related Publications (27)
Berube-Parent S, Pelletier C, Dore J, Tremblay A. Effects of encapsulated green tea and Guarana extracts containing a mixture of epigallocatechin-3-gallate and caffeine on 24 h energy expenditure and fat oxidation in men. Br J Nutr. 2005 Sep;94(3):432-6. doi: 10.1079/bjn20051502.
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PMID: 1109569BACKGROUNDCuratolo PW, Robertson D. The health consequences of caffeine. Ann Intern Med. 1983 May;98(5 Pt 1):641-53. doi: 10.7326/0003-4819-98-5-641.
PMID: 6342491BACKGROUNDDiepvens K, Westerterp KR, Westerterp-Plantenga MS. Obesity and thermogenesis related to the consumption of caffeine, ephedrine, capsaicin, and green tea. Am J Physiol Regul Integr Comp Physiol. 2007 Jan;292(1):R77-85. doi: 10.1152/ajpregu.00832.2005. Epub 2006 Jul 13.
PMID: 16840650BACKGROUNDDulloo AG. Ephedrine, xanthines and prostaglandin-inhibitors: actions and interactions in the stimulation of thermogenesis. Int J Obes Relat Metab Disord. 1993 Feb;17 Suppl 1:S35-40.
PMID: 8384178BACKGROUNDDulloo AG, Duret C, Rohrer D, Girardier L, Mensi N, Fathi M, Chantre P, Vandermander J. Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans. Am J Clin Nutr. 1999 Dec;70(6):1040-5. doi: 10.1093/ajcn/70.6.1040.
PMID: 10584049BACKGROUNDFesti D, Colecchia A, Sacco T, Bondi M, Roda E, Marchesini G. Hepatic steatosis in obese patients: clinical aspects and prognostic significance. Obes Rev. 2004 Feb;5(1):27-42. doi: 10.1111/j.1467-789x.2004.00126.x.
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PMID: 14747663BACKGROUNDGougeon R, Harrigan K, Tremblay JF, Hedrei P, Lamarche M, Morais JA. Increase in the thermic effect of food in women by adrenergic amines extracted from citrus aurantium. Obes Res. 2005 Jul;13(7):1187-94. doi: 10.1038/oby.2005.141.
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PMID: 12615693BACKGROUNDKlaus S, Pultz S, Thone-Reineke C, Wolfram S. Epigallocatechin gallate attenuates diet-induced obesity in mice by decreasing energy absorption and increasing fat oxidation. Int J Obes (Lond). 2005 Jun;29(6):615-23. doi: 10.1038/sj.ijo.0802926.
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PMID: 15719408BACKGROUNDRumpler W, Seale J, Clevidence B, Judd J, Wiley E, Yamamoto S, Komatsu T, Sawaki T, Ishikura Y, Hosoda K. Oolong tea increases metabolic rate and fat oxidation in men. J Nutr. 2001 Nov;131(11):2848-52. doi: 10.1093/jn/131.11.2848.
PMID: 11694607BACKGROUNDSegal KR, Gutin B, Nyman AM, Pi-Sunyer FX. Thermic effect of food at rest, during exercise, and after exercise in lean and obese men of similar body weight. J Clin Invest. 1985 Sep;76(3):1107-12. doi: 10.1172/JCI112065.
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PMID: 16076989BACKGROUNDYoshioka M, Doucet E, Drapeau V, Dionne I, Tremblay A. Combined effects of red pepper and caffeine consumption on 24 h energy balance in subjects given free access to foods. Br J Nutr. 2001 Feb;85(2):203-11. doi: 10.1079/bjn2000224.
PMID: 11242488BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Lisa M Davis, PhD, PA-C
Medifast, Inc.
- STUDY DIRECTOR
Christopher D Coleman, MS,RD,LDN
Medifast, Inc.
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
December 7, 2009
First Posted
December 9, 2009
Study Start
June 1, 2007
Primary Completion
December 1, 2007
Study Completion
December 1, 2007
Last Updated
December 9, 2009
Record last verified: 2009-12