Effect of Dietary Cholesterol on the Metabolism of Fat Cells

What we are studying

We are studying how the amount of cholesterol in the diet affects the metabolism of fat cells in the body. We will recruit patients who are planning to have elective abdominal surgery; feed them either a low or high cholesterol diet for 3 weeks before surgery; ask the surgeon to obtain small pieces of tissue during the operation; and do special tests on the tissue in our laboratory

Who we are studying

  • Men and Women
  • Races:
    • White
    • African American
    • Asian
    • American Indian or Alaska Native
    • Native Hawaiian or Pacific Islander
    • Other
  • All Ethnicities
  • Ages 18 - 85

Eligibility Criteria

  • Non-Smoker
  • Body mass index less than 30
  • Planning to have elective abdominal surgery in the near future
  • Willing to eat diets prepared by the Clinical Research Unit Kitchen for 3 weeks right before surgery

What is involved

  • Four visits to the Clinical Research Unit
  • Measurement of body fat and metabolic rate
  • Eating specially prepared diets for 3 weeks before surgery
  • Two blood samples


$50 gift cards will be provided at the conclusion of the study

Contact Information

Study Coordinator
Richard Weinberg, M.D.
Principal Investigator
Richard B Weinberg, M.D.

Disclaimer: The information on this website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified health care provider.