Tufts Medical Center

Boston, MA

Tufts building 2

Clinical Research Site Address (where participants are seen)
Clinical Translational Research Center (CTRC)
800 Washington Street, Farnsworth Building, 6th Floor
Boston, MA 02111

Click Here for Directions to the Clinical Site

Site enrollment status: Recruiting | Click here to read the site-specific Press Release

If you are interested in joining D2d as a study participant in the Boston metropolitan area, please  call or email:

* To see if you qualify for D2d at the Tufts site, click here to complete the online pre-screening questionnaire. *

Local Media Coverage:

Feb 13, 2014 – CBS Boston – Future of Boston: Leading The Way In Biotech Research

Dec 12, 2013 – Tufts Now – Putting Vitamin D to the Test

Nov 14, 2013 – NECN.com – Can Vitamin-D prevent diabetes?

Nov 1, 2013 – Fox News Boston – Tufts Medical Doctor discusses the link…

Oct 31, 2013 – Life Extension Tufts Medical Center to lead 20-center study on vitamin D’s

Oct 23, 2013 – Sampan Tufts MC physician receives $40 million NIH grant

Brookline Patch Brookline Resident Receives Grant to Study…

Topix Can vitamin D supplementation reduce diabetes risk in patients with…

Oct 21, 2013 – ABC Boston (WCVB) Could Vitamin D ward off diabetes?  (Video)

ABC Boston (WCVB) Could Vitamin D ward off diabetes?  (Article)

Boston Globe Tufts gets $40 million to see if vitamin D can prevent diabetes



D2d study Chair & Principal Investigator & Site Principal Investigator – Anastassios G. Pittas, MD MS Dr. Pittas received his B.S. degree from Massachusetts Institute of Technology and his M.D. degree from Cornell University Medical College.  After completing his Internal Medicine Residency at the New-York Presbyterian Hospital in New York City, NY and his Fellowship in Endocrinology at Tufts Medical Center, Boston, MA, he joined the staff in the Division of Endocrinology, Diabetes and Metabolism at Tufts Medical Center where he has been active in clinical care, research and teaching as they relate to the prevention and treatment of diabetes mellitus. His work on the role of vitamin D and calcium in cardiometabolic disease has been supported by the R01, R21, U34 and U01 mechanisms of the National Institutes of Health (NIDDK and ODS) and the American Diabetes Association.

Site Coordinator – Erin Casey Erin earned her B.S. in Biology and minor in Anthropology from Union College, in Schenectady NY in 2013.  She has worked on various clinical research projects at Tufts Medical Center at the CTRC through the Tufts CTSI. Prior to becoming involved in clinical research, Erin worked at the Tufts Medical Center Emergency Room for 2 years.