Use of metformin is associated with lower incidence of cancer in patients with type 2 diabetes.

Introduction: The objective of the study was to assess the influence of metformin on the prevalence of cancer and risk factors for the development of cancer, in patients with type 2 diabetes.

Materials And Methods: A total of 1063 patients, treated between October 2012 and March 2013 in the Diabetes and Endocrinology Centre in Bydgoszcz, were enrolled in the study. Only patients who were first diagnosed with diabetes and consecutively with cancer were included in the analysis.