The FreeStyle Libre system has been studied in two landmark randomized controlled trials (RCTs) which demonstrated improvements in diabetes outcomes for both Type 1 and Type 2 patients with diabetes, those are:  Bolinder J,et al. Novel glucose-sensing technology and hypoglycaemia in type 1 diabetes a multicentre, non-masked, randomized controlled trial.*

*The Lancet 2016. Haak T, Hanaire H, Aijan R et al. Flash glucose-sensing technology as a replacement for blood glucose monitoring for the management of insulin-treated type 2 diabetes: a multicentre, open-label radomised controlled trial. Diabetes Ther. 2016.