Lean Beef Consumption and Insulin Sensitivity in Men and Women With Risk Factors for Diabetes

Completed · Not applicable

Conditions studied: Metabolic Syndrome, PreDiabetes

In brief

The objective of this trial is to compare the effects of a healthy, lean beef diet and an average American, United States Department of Agriculture (USDA) style diet, that is low in saturated fatty acids (SFA), on insulin sensitivity in men and women with risk factors for diabetes mellitus.

Key facts

Study ID

NCT03202680

Run by

Midwest Center for Metabolic and Cardiovascular Research

People needed

49

Starts

2017-07-06

Expected to finish

2019-07-16

Last updated by the study team

2019-07-24

Who can join

Age: 18 and older, up to 74. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• BMI of 25.0-39.9 kg/m2.
• Metabolic syndrome (exhibiting at least 3 out of 5 of the criteria) AND/OR prediabetes (either fingerstick glycated hemoglobin 5.7-6.4%, fasting fingerstick capillary glucose of 100-125 mg/dL, or 2-h post-prandial glucose of 140-199 mg/dL).
• Fasting LDL-C level <200 mg/dL and fasting TG level <400 mg/dL.
• Willingness to consume only study-related foods/beverages during each test period and consume all of the study foods provided for each day.
• Willingness to come to the clinic for study food pick-up as needed.
• Judged to be in general good health, aside from the inclusionary metabolic criteria for the study, on the basis of medical history and screening laboratory tests.

You may not qualify if…

• Atherosclerotic cardiovascular disease including any of the following: clinical signs of atherosclerosis including peripheral arterial disease, abdominal aortic aneurysm, carotid artery disease [symptomatic (e.g., transient ischemic attack or stroke of carotid origin) or >50% stenosis on angiography or ultrasound], history of myocardial infarction, angina, or other forms of clinical atherosclerotic disease (e.g., renal artery disease).
• History or presence of clinically important pulmonary (including uncontrolled asthma), endocrine (including type 1 or type 2 diabetes mellitus), chronic inflammatory disease (including irritable bowel disease, lupus, rheumatoid arthritis), hepatic, renal, hematologic, immunologic, dermatologic, neurologic, psychiatric, or biliary disorders.
• Known allergy, sensitivity, or intolerance to any ingredients in the study foods (e.g., dairy, nuts, etc.).
• Uncontrolled hypertension.
• Recent history of cancer except for non-melanoma skin cancer.
• Recent change in body weight of ± 4.5 kg (10 lbs).
• Unstable use of any antihypertensive medication.
• Recent use of medications intended to alter the lipid profile [e.g., bile acid sequestrants, cholesterol absorption inhibitor, fibrates, niacin (drug form), omega-3-ethyl ester drugs, and/or proprotein convertase subtilisin kexin type 9 (PCSK9) inhibitors], weight-loss drugs or programs, systemic corticosteroid drugs, medications known to influence carbohydrate metabolism (e.g., adrenergic receptor blockers, diuretics, and/or hypoglycemic medications).
• Recent use of foods or dietary supplements known to influence lipid metabolism (e.g., omega-3 fatty acids supplements or fortified foods, sterol/stanol products, red rice yeast supplements, garlic supplements, soy isoflavone supplements, niacin or its analogues at doses >400 mg/d and irregular or inconsistent use of Metamucil® or viscous fiber-containing supplements.
• Recent use of antibiotics.
• Pregnant, planning to be pregnant during the study period, lactating, or of childbearing potential and unwilling to commit to the use of a medically approved form of contraception throughout the study period.
• Extreme dietary habits (e.g., very low carbohydrate diet, vegan, vegetarian, etc.) or unwillingness to consume study foods.
• Current or recent history or strong potential for drug or alcohol abuse.
• History of a diagnosed eating disorder (e.g., anorexia or bulimia nervosa).
• Recent exposure to any non-registered drug product.

Where it is running

• MB Clinical Research, LLC — Boca Raton, Florida, United States

Full record on ClinicalTrials.gov

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