1. Feasibility and early feasibility clinical studies for certain medical devices intended to therapeutically improve glycemic control in patients with Type 2 Diabetes Mellitus: guidance for industry and Food and Drug Administration staff Publication: [Silver Spring, MD] : Center for Devices and Radiological Health, May 6, 2022 Subject(s): Clinical Studies as TopicDiabetes Mellitus, Type 2 -- drug therapyGlycemic ControlUnited StatesUnited States. Department of Health and Human ServicesUnited States. Food and Drug Administration