NCT01029236

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

87
On Track

Trial Health Score

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

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jun 2007

Shorter than P25 for not_applicable

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2007

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2007

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2007

Completed
2 years until next milestone

First Submitted

Initial submission to the registry

December 7, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

December 9, 2009

Completed
Last Updated

December 9, 2009

Status Verified

December 1, 2009

Enrollment Period

6 months

First QC Date

December 7, 2009

Last Update Submit

December 8, 2009

Conditions

Keywords

obesitymetabolismweight lossenergy expenditurethermogenesisMetabolism-Boosting Beverages effect on REEMetabolism-Boosting Beverages effect on appetite

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

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

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

Study Sites (1)

Medifast Inc.

Owings Mills, Maryland, 21117, United States

Location

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.

    PMID: 16176615BACKGROUND
  • Acheson KJ, Schutz Y, Bessard T, Anantharaman K, Flatt JP, Jequier E. Glycogen storage capacity and de novo lipogenesis during massive carbohydrate overfeeding in man. Am J Clin Nutr. 1988 Aug;48(2):240-7. doi: 10.1093/ajcn/48.2.240.

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    PMID: 6757011BACKGROUND
  • Segal KR, Albu J, Chun A, Edano A, Legaspi B, Pi-Sunyer FX. Independent effects of obesity and insulin resistance on postprandial thermogenesis in men. J Clin Invest. 1992 Mar;89(3):824-33. doi: 10.1172/JCI115661.

    PMID: 1541675BACKGROUND
  • den Besten C, Vansant G, Weststrate JA, Deurenberg P. Resting metabolic rate and diet-induced thermogenesis in abdominal and gluteal-femoral obese women before and after weight reduction. Am J Clin Nutr. 1988 May;47(5):840-7. doi: 10.1093/ajcn/47.5.840.

    PMID: 3364400BACKGROUND
  • Abbott RD, Ross GW, White LR, Nelson JS, Masaki KH, Tanner CM, Curb JD, Blanchette PL, Popper JS, Petrovitch H. Midlife adiposity and the future risk of Parkinson's disease. Neurology. 2002 Oct 8;59(7):1051-7. doi: 10.1212/wnl.59.7.1051.

    PMID: 12370461BACKGROUND
  • Allison DB, Gadbury G, Schwartz LG, Murugesan R, Kraker JL, Heshka S, Fontaine KR, Heymsfield SB. A novel soy-based meal replacement formula for weight loss among obese individuals: a randomized controlled clinical trial. Eur J Clin Nutr. 2003 Apr;57(4):514-22. doi: 10.1038/sj.ejcn.1601587.

    PMID: 12700612BACKGROUND
  • Borchardt RT, Huber JA. Catechol O-methyltransferase. 5. Structure-activity relationships for inhibition by flavonoids. J Med Chem. 1975 Jan;18(1):120-2. doi: 10.1021/jm00235a030. No abstract available.

    PMID: 1109569BACKGROUND
  • Curatolo 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: 6342491BACKGROUND
  • Diepvens 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: 16840650BACKGROUND
  • Dulloo 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: 8384178BACKGROUND
  • Dulloo 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: 10584049BACKGROUND
  • Festi 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.

    PMID: 14969505BACKGROUND
  • Gale SM, Castracane VD, Mantzoros CS. Energy homeostasis, obesity and eating disorders: recent advances in endocrinology. J Nutr. 2004 Feb;134(2):295-8. doi: 10.1093/jn/134.2.295.

    PMID: 14747663BACKGROUND
  • Gougeon 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.

    PMID: 16076988BACKGROUND
  • Hedley AA, Ogden CL, Johnson CL, Carroll MD, Curtin LR, Flegal KM. Prevalence of overweight and obesity among US children, adolescents, and adults, 1999-2002. JAMA. 2004 Jun 16;291(23):2847-50. doi: 10.1001/jama.291.23.2847.

    PMID: 15199035BACKGROUND
  • Heymsfield SB, van Mierlo CA, van der Knaap HC, Heo M, Frier HI. Weight management using a meal replacement strategy: meta and pooling analysis from six studies. Int J Obes Relat Metab Disord. 2003 May;27(5):537-49. doi: 10.1038/sj.ijo.0802258.

    PMID: 12704397BACKGROUND
  • Keaney JF Jr, Larson MG, Vasan RS, Wilson PW, Lipinska I, Corey D, Massaro JM, Sutherland P, Vita JA, Benjamin EJ; Framingham Study. Obesity and systemic oxidative stress: clinical correlates of oxidative stress in the Framingham Study. Arterioscler Thromb Vasc Biol. 2003 Mar 1;23(3):434-9. doi: 10.1161/01.ATV.0000058402.34138.11. Epub 2003 Jan 30.

    PMID: 12615693BACKGROUND
  • Klaus 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.

    PMID: 15738931BACKGROUND
  • Pouliot MC, Despres JP, Nadeau A, Moorjani S, Prud'Homme D, Lupien PJ, Tremblay A, Bouchard C. Visceral obesity in men. Associations with glucose tolerance, plasma insulin, and lipoprotein levels. Diabetes. 1992 Jul;41(7):826-34. doi: 10.2337/diab.41.7.826.

    PMID: 1612197BACKGROUND
  • Fiorini RN, Donovan JL, Rodwell D, Evans Z, Cheng G, May HD, Milliken CE, Markowitz JS, Campbell C, Haines JK, Schmidt MG, Chavin KD. Short-term administration of (-)-epigallocatechin gallate reduces hepatic steatosis and protects against warm hepatic ischemia/reperfusion injury in steatotic mice. Liver Transpl. 2005 Mar;11(3):298-308. doi: 10.1002/lt.20348.

    PMID: 15719408BACKGROUND
  • Rumpler 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: 11694607BACKGROUND
  • Segal 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.

    PMID: 4044828BACKGROUND
  • Rudelle S, Ferruzzi MG, Cristiani I, Moulin J, Mace K, Acheson KJ, Tappy L. Effect of a thermogenic beverage on 24-hour energy metabolism in humans. Obesity (Silver Spring). 2007 Feb;15(2):349-55. doi: 10.1038/oby.2007.529.

    PMID: 17299107BACKGROUND
  • Thearle M, Aronne LJ. Obesity and pharmacologic therapy. Endocrinol Metab Clin North Am. 2003 Dec;32(4):1005-24. doi: 10.1016/s0889-8529(03)00066-5.

    PMID: 14711072BACKGROUND
  • Westerterp-Plantenga MS, Lejeune MP, Kovacs EM. Body weight loss and weight maintenance in relation to habitual caffeine intake and green tea supplementation. Obes Res. 2005 Jul;13(7):1195-204. doi: 10.1038/oby.2005.142.

    PMID: 16076989BACKGROUND
  • Yoshioka 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

ObesityWeight Loss

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsBody Weight Changes

Study Officials

  • Lisa M Davis, PhD, PA-C

    Medifast, Inc.

    PRINCIPAL INVESTIGATOR
  • Christopher D Coleman, MS,RD,LDN

    Medifast, Inc.

    STUDY DIRECTOR

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

Locations