The PROMOTE study assessed whether a test product can improve insulin sensitivity in people with Type 2 diabetes. The test product was developed as a medical food for people who may need additional support for blood glucose control.

Questions about this study? Call 704-273-5456 or email us.

Compensation was provided for completed study activities.

L. Kristin Newby, MD

Kannapolis Site Investigator:
L. Kristin Newby, MD

F. Greenway

Principal Investigator:
Frank L. Greenway, MD 

About the Study 

Eligible participants were randomly assigned to receive either the test product or placebo.

Participants were asked to take their assigned tablets twice a day for 84 days (12 weeks). Participants recorded the time the tablets were taken, as well as any adverse reactions or changes to medical condition during participation.

Study Qualifications

To qualify for this research study, participants were:

  • Between the ages of 18–70 years old

  • Diagnosed with Type 2 diabetes and under the care of a healthcare professional for its management

Study Duration

Participation in the study lasted approximately 15 weeks with six visits in either Kannapolis or Durham.

Study Design

Number of Visits:

  • 1 screening visit

  • 5 study visits


  • Medical history

  • Physical exam

  • Height and weight

  • Vital signs (pulse and blood pressure, etc.)

  • Blood samples

  • Urine samples


Compensation was provided for completed study activities.

In the News

Participants in Duke's PROMOTE Study Hope to Improve Care for Type 2 Diabetes