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 - Northwestern Memorial Hospital - Chicago


Read about our current Diabetes clinical trials and research studies, including:

Vitamin D and Type 2 Diabetes (D2d) Study

Northwestern University is part of a community of nationwide sites conducting a 4 year research study to evaluate whether taking a vitamin D supplement prevents or delays the development of type 2 diabetes in individuals with pre-diabetes.


D2d participants will be adults who:

  • Are at increased risk for diabetes (also known as “pre-diabetes”) based on blood glucose level following a 75 gram oral glucose tolerance test
  • Are Age 30 years or older
  • Have a Body Mass Index ≥ 25 (23 kg/m2 for Asians) ≤ 40 kg/m2.
  • Are willing to take a daily vitamin D supplement and limit intake outside of the study of multivitamins containing vitamin D or calcium to the current recommended intakes
  • Will be followed for about 4 years for development of diabetes

D2d participants do not have:

  • Diabetes (based on blood glucose levels or use of diabetes-specific medications)
  • Recent history of kidney stones or kidney disease
  • Other medical conditions that in the opinion of the site investigators may put the participant at increased risk of harm


  • Volunteers that enroll in D2d will be required to take one vitamin D pill or placebo every day with breakfast for about 4 years. Neither participants nor study staff will know who is on vitamin D or placebo
  • During the study, there will be at least 12 visits to the local D2d clinic to test for development of diabetes. Appointments are available Monday through Friday

IRB Project Number

STU 00078718


For more information, please contact Meg Sullivan at (312) 503-3413 or visit the study website at www.D2dstudy.org regarding eligibility and to take the online eligibility survey. 

Diabetic Foot Ulcer Study

This study will look at the effects of four weeks of treatment on the healing of Diabetic Foot Ulcers.


  • ≥18 years of age
  • Diabetic
  • Chronic foot ulcer that is located on the bottom of your foot or toe
  • Have had the wound for at least two months


As a participant, you may receive:

  • FDA approved study drug or placebo
  • Study related procedures such as: wound care, laboratory tests and up to 14 visits over a 14 week period
  • Up to $650 compensation and reimbursement

Principal Investigator

Robert Galiano, MD

IRB Project Number



Northwestern University
Division of Plastic Surgery

Last UpdateOctober 17, 2013