Synopsis: In a retrospective cohort study of diabetic patients, metformin was compared with sulfonylureas, and it was found to have greater efficacy in preventing TB infection.
Source: Pan S, Yen Y, Kou Y, et al. The risk of tuberculosis disease in type 2 diabetes patients initiating metformin versus sulfonylureas. Chest 2017. DOI:http://dx.doi.org/10.1016/j.chest.2017.11.040