Northwestern University

Chicago, IL

Northwestern 1

Clinical Research Site Address (where participants are seen)
D2d Study
645 N Michigan Avenue, Suite 530
Chicago, IL 60611

Click here for directions to the Clinical Site

Site Enrollment Status: Closed

If you are a participant and need to get in touch with us please call or email:
312-503-3413 | d2d@northwestern.edu


Local Media Coverage:


Jan 9, 2014 – Medical Xpress Testing whether vitamin D delays onset of diabetes

Jan 8, 2014 – Northwestern University Testing Whether

Oct 21, 2013 – eNews Park Forest Large Study to Examine if Vitamin D Prevents Diabetes


Site Principal Investigator – Lisa M. Neff, MD MS | Dr. Lisa Neff is an Assistant Professor in the Division of Endocrinology, Metabolism and Molecular Medicine at Northwestern University. She earned her B.S. in German and Biology from Tufts University in 1994 and her M.D. from the University of Illinois at Chicago (UIC) in 1999. Dr. Neff completed a residency in Internal Medicine at UIC in 2002 and fellowships in Endocrinology and Clinical Nutrition at Tufts-New England Medical Center in 2006.  Upon completion of her fellowships, Dr. Neff joined the Clinical Scholar Program at the Rockefeller University in New York, earning a Master’s Degree in Clinical and Translational Research. Dr. Neff’s research has largely focused on nutritional interventions for the treatment of obesity and related metabolic disorders.  In addition to the D2d study, her current work includes a study investigating changes in body temperature and brown fat activity in response to weight loss in obesity.  Dr. Neff also provides patient care in Northwestern’s Center for Lifestyle Medicine.