Mary Johnson - BS, RN, CDE

Mary Johnson - BS, RN, CDE

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My Areas of Practice

As Director of Clinical Research at International Diabetes Center, I oversee the testing of new diabetes medications, devices, nutrition research and best care practices. I’ve also developed research protocols and have served as project director on numerous research trials. The work we do helps advance diabetes medications and technologies, which improves the lives of people with diabetes.

General Information

Accepting New Patients: Yes

Education & Certifications

Certified Diabetes Educator



Minnesota Board of Nursing



BS: Natural Science

College of St. Benedict, St. Joseph, MN


Research & Publications

Bergenstal, RM, Johnson, M, Powers, MA, Wynne, A, Vlajnic, A, Hollander, P, Rendell, M: Adjust to target in type 2 diabetes: comparison of a simple algorithm to carbohydrate counting for adjustment of mealtime insulin glulisine.  Diabetes Care, 2008, 31:1305-1310


Fish, Lisa, Wetzler, Harry, Davidson, Janet, Ofstead, Cori, Johnson, Mary: Advanced Insulin Management Program Reduces A1C Levels and Regimen-Related Distress Without Weight Gain in Patients With Type 1 Diabetes Mellitus. Insulin, April 2008


H. Al-Kateb, A.P. Boright, L. Mirea, X. Xie, R. Sutradhar, A. Mowjoodi, B. Bharah, M. Liu, J.M. Bucksa, V.L. Arendis, M.W. Steffes, P.A. Cleary, W. Sun, K.K. Kidd, J.R. Kidd, W.C. Speed, T.J. Orchard, R.G. Miller, L. Sun, S.B. Bull, A.D. Paterson, the DCCT/EDIC Research Group: Multiple SOD1/SFRS15 Variants Are Associated with the Development and Progression of Diabetic Nephropathy. Diabetes, 2008, 57:218-228


G. Musen, A.M. Jacobson, C.M. Ryan, P.A. Cleary, B.H. Waberski, K. Weinger, W. Dahms, M. Bayless, N. Silvers, J. Harth, N. White, The DCCT/EDIC Study Research Group: The Impact of Diabetes and it’s Treatment on Cognitive Function Among Adolescents Who Participated in the DCCT.  Diabetes Care, 2008


I.H. de Boer, B. Kestenbaum, T.C. Rue, M.W. Steffes, P.A. Cleary, The DCCT/EDIC Study Research Group: Insulin Therapy, Hyperglycemia, and Hypertension in Type 1 Diabetes. Archives of Internal Medicine, 2008, 168:1867-1873


J.M. Lachin, S. Genuth, D.M. Nathan, B.Zinman, B.N. Rutledge, The DCCT/EDIC Study Research Group: Effects of Glycemic Exposure on the Risk of Microvascular Complication in the Diabetes Control and Complications Trial Revisited. Diabetes, 2008, 57:995-1001


Aruna V. Sarma, Alka Kanaya, Leroy M. Nyberg, John W. Kusek, Eric Vittinghoff, Brandy Rutledge, Patricia A. Cleary, Patricia Gatcomb, and Jeanette S. Brown for the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications Research Group: Risk Factors for Urinary Incontinence Among Women With Type 1 Diabetes: Findings From the Epidemiology of Diabetes Interventions and Complications Study. Urology, 2009 73:6


Rodica Pop-Busui, MD, PhD; Phillip A. Low, MD; Barbara H. Waberski, MS; Catherine L. Martin, MS; James W. Albers, MD, PhD; Eva L. Feldman, MD, PhD; Catherine Sommer; Patricia A. Cleary, MS; John M. Lachin, ScD; William H. Herman, MD, MPH; for the DCCT/EDIC Research Group: Effects of Prior Intensive Insulin Therapy on Cardiac Autonomic Nervous System Function in Type 1 Diabetes Mellitus. Circulation, June, 2009


David F. Penson, MD, MPH, Hunter Wessells, MD, Patricia Cleary, MS, Brandy N. Rutledge, PhD, and The Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications Research Group: Sexual Dysfunction and Symptom Impact in Men with Long-Standing Type 1 Diabetes in the DCCT/EDIC Cohort. Journal of Sexual Medicine, June, 2009

Professional Associations & Awards

• American Diabetes Association