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Effects of a Spiced Meat Patty on Inflammation in Men With Type 2 Diabetes

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01076829
Recruitment Status : Completed
First Posted : February 26, 2010
Last Update Posted : June 10, 2014
Information provided by (Responsible Party):
Zhaoping Li, University of California, Los Angeles

Brief Summary:

Polyphenols belong to the largest group of secondary metabolites produced by plants, mainly, in response to biotic or abiotic stresses such as infections, wounding, UV irradiation, exposure to ozone, pollutants, and other hostile environmental conditions. It is thought that the molecular basis for the protective action of polyphenols in plants is their antioxidant and free radical scavenging properties. These numerous phenolic compounds are major biologically active components of spices, aromas, essential oils, and traditional medicines. In order to investigate the impact of spice polyphenols on postprandial flow-mediated dilation, nitric oxide, glucose, insulin, triglycerieds, oxidized LDL, and cytoxic lipid peroxidation products (MDA) levels in men with type 2 diabetes, the investigators propose to achieve the following specific aims using a randomized crossover study design:

  1. To determine the effect of a ground beef patty meal with and without polyphenol-rich spices on postprandial levels of plasma oxidized LDL, triglycerides, insulin, glucose, and malondialdehyde (MDA).
  2. To determine the effect of a ground beef patty meal with and without polyphenol-rich spices on postprandial levels of nitric oxide and flow-mediated dilation.
  3. To determine the effect of a ground beef patty meal with and without a spice blend on MDA accumulation in urine.

This study will determine whether spice polyphenols exert a beneficial effect by inhibition of the absorption of lipotoxin MDA in males with type 2 diabetes mellitus.Men with diabetes mellitus type 2 have been selected for this study to enable assessment of markers of vascular health including nitric oxide in plasma and flow-mediated dilation. These findings may help to explain the potentially harmful effects of oxidizable fats found in foods and the important benefit of dietary polyphenols in ameliorating this potentially harmful effect.

Condition or disease Intervention/treatment Phase
Type II Diabetes Mellitus Other: Spice polyphenols Not Applicable

Detailed Description:
10 male subjects with type 2 diabetes mellitus who will be recruited based on inclusion and exclusion criteria. The study will be carried out in accordance with the guidelines of the Human Subjects Protection Committee of the University of California, Los Angeles. All subjects will give written informed consent before the study begins. After the screening visit, each subject will come to the Center for Human Nutrition on two 1-day test phases separated by at least one week. At each of phases, subjects will consume, in a random order, two different test meals consisting of either: a) a ground dark meat beef patty seasoned with salt only, or b) a ground dark meat beef patty seasoned with a spice mixture and salt. The subjects will be asked to avoid eating high fat meat meals and all spice products for 3 days before the day of each of the two experimental phases

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 10 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)
Primary Purpose: Basic Science
Official Title: Inhibition of Absorption of Cytoxic Lipid Peroxidation Products and Abnormalities of Postprandial Endothelial Function by Spice Polyphenols Fed Together With High Fat Meat Patty in Men With Type 2 Diabetes Mellitus or Impaired Glucose Tolerance
Study Start Date : July 2009
Actual Primary Completion Date : June 2014
Actual Study Completion Date : June 2014

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Active Comparator: Spice patty
hamburger meat cooked with spice mixture
Other: Spice polyphenols

Placebo Comparator: salt patty
Subjects consume salt containing hamburger meat
Other: Spice polyphenols

Primary Outcome Measures :
  1. The protocol is designed to study the effect of spice on MDA production in hamburg meat [ Time Frame: 2 days ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   35 Years to 70 Years   (Adult, Older Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Have a diagnosis of Type II Diabetes Mellitus and currently being treated with oral medication but no insulin or glucose intolerant on no medications with a fasting blood sugar of > 110 mg/dl but less than 126 mg/dl fasting.
  • Have an HbA1C lvel <9 % at Screening
  • Male 35-70 years old
  • Non-smokers, or smoke < 1 cigarette per day
  • Must weigh a minimum of 110 pounds
  • Willing to maintain normal activity and eating patterns for the duration of the study
  • Willing to avoid meat, fish or poultry for three days on two occasions prior to the test procedure
  • Consuming less than two alcoholic drinks per day
  • Not taking dietary supplements
  • No known allergy to beef, cloves, cinnamon, oregano, turmeric, cumin, rosemary, sage, red pepper, ginger, black pepper, paprika or garlic

Exclusion Criteria:

  • Currently using insulin
  • Abnormal liver function
  • Currently taking steroidal drugs
  • Known HIV positive or AIDS
  • Chronic infectious disease
  • Cancer treated within the past two years
  • Participation in a therapeutic research study within 30 days of baseline
  • Allergy to beef, cloves, cinnamon, oregano, rosemary, ginger, black pepper, paprika or tumeric
  • History of hear failure with EF < 30, chronic renal failure with GFR < 30 ml/min
  • Currently taking vasoactive medications such as but not limited to calcium channel blockers, nitrates, beta blockers, phosphodiesterase inhibitors
  • History of Raynauds
  • History of smoking within 5 years

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01076829

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United States, California
David Geffen School of Medicine, UCLA Center for Human Nutrtiion
Los Angeles, California, United States, 90095
Sponsors and Collaborators
University of California, Los Angeles
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Principal Investigator: Zhaoping Li, MD University of California, Los Angeles
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Responsible Party: Zhaoping Li, UCLA Center for Human Nutrition, Chief, University of California, Los Angeles Identifier: NCT01076829    
Other Study ID Numbers: 08-11-023
First Posted: February 26, 2010    Key Record Dates
Last Update Posted: June 10, 2014
Last Verified: December 2013
Keywords provided by Zhaoping Li, University of California, Los Angeles:
Additional relevant MeSH terms:
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Diabetes Mellitus
Diabetes Mellitus, Type 2
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases