Clinical Studies

Review evidence demonstrating the impact continuous glucose monitoring (CGM) use can have on glycemic control and variability.

Evidence for Benefits of CGM Use

Recognized as a standard of care in diabetes management by the American Diabetes Association (ADA), American Association of Clinical Endocrinologists (AACE) and the Endocrine Society,^1,2,3 continuous glucose monitoring (CGM) use has proven to both reduce A1C and time spent in hypoglycemia regardless of delivery method.^4,5 Regular CGM use is also associated with an increase of time spent in range,^4,6 a reduction of severe hypoglycemic incidents,^7,8 and associated with many behavioral changes that promote significant positive change in diabetes self-management.⁹

Resources

Six-Month Randomized, Multicenter Trial of Closed-Loop Control in Type 1 Diabetes

The efficacy and safety of the Control-IQ hybrid closed-loop system, powered by Dexcom G6, was evaluated in a multi-centered, randomized, and unblinded study. 1 The researchers randomized 168...

Clinical Studies

Effect of Continuous Glucose Monitoring on Hypoglycemia in Older Adults with Type 1 Diabetes: A Randomized Clinical Trial

The Wireless Innovation for Seniors with Diabetes Mellitus (WISDM) study, published in the Journal of American Medical Association in 2020, 1 was one of the first randomized control continuous glucose...

Clinical Studies

Recommendations for Using Real-Time Continuous Glucose Monitoring (rtCGM) Data for Insulin Adjustments in Type 1 Diabetes

The clinical benefits of real time continuous glucose monitoring (rtCGM) use have been well demonstrated in both continuous subcutaneous insulin infusion (CSII) and multiple daily injections (MDI)...

Clinical Studies

COMISAIR Study Shows that CGM—Not the Insulin Delivery Method—Drives A1C Reduction

In this novel study, investigators examined not only the benefits of continuous glucose monitoring (CGM) augmented insulin therapy, they also looked at the impact of CGM separately in subjects on...

Clinical Studies

Comparing real-time (RT-CGM) and intermittently scanned continuous glucose monitoring (IS-CGM)* in adults with type 1 diabetes (ALERTT1): a 6-month, prospective, multicenter, randomised controlled trial†

Background People with type 1 diabetes (T1D) can continuously monitor their glucose levels on demand with IS-CGM, or in real time with RT-CGM. However, it is unclear whether switching from IS-CGM to...

Clinical Studies

CGM vs BGM Conventional Therapy for Glycemic Control in T1D Adults

Published in JAMA, this crossover randomized controlled trial demonstrates glycemic improvements with Dexcom continuous glucose monitoring (CGM ) vs BGM Conventional Therapy use in patients with T1D...

Clinical Studies

1 American Diabetes Association. Glycemic Targets: Standards of Medical Care in Diabetes-2018. Diabetes Care. 2018;41(Suppl 1):S55-S64.

2 Bailey TS, Grunberger G, Bode BW, et al. American Association of Clinical Endocrinologists and American College of Endocrinology 2016 Outpatient Glucose Monitoring Consensus Statement. Endocr Pract. 2016;22(2):231-261.

3 Peters A, Ahmann A, Battelino T et al. Diabetes Technology—Continuous Subcutaneous Insulin Infusion Therapy and Continuous Glucose Monitoring in Adults: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2016:jc.2016-2534.

4 Šoupal J, Petruželková L, Flekač M et al. Comparison of Different Treatment Modalities for Type 1 Diabetes, Including Sensor-Augmented Insulin Regimens, in 52 Weeks of Follow-Up: A COMISAIR Study. Diabetes Technology & Therapeutics. 2016;18(9):532-538.

5 Battelino T PM, Bratina N, Nimri R, Oskarsson P, Bolinder J. Effect of Continuous Glucose Monitoring on Hypoglycemia in Type 1 Diabetes. Diabetes Care. 2011;34(4):795-800.

6 Beck RW, Riddlesworth T, Ruedy K, et al. Effect of continuous glucose monitoring on glycemic control in adults with type 1 diabetes using insulin injections: The DIAMOND randomized clinical trial. JAMA. 2017; 317(4); 371-378.

7 Choudhary P, Ramasamy S, Green L et al. Real-Time Continuous Glucose Monitoring Significantly Reduces Severe Hypoglycemia in Hypoglycemia-Unaware Patients With Type 1 Diabetes. Diabetes Care. 2013;36(12):4160-4162.

8 Lind M, Polonsky, W, Hirsch, I, et al. Continuous Glucose Monitoring vs Conventional Therapy for Glycemic Control in Adults With Type 1 Diabetes Treated With Multiple Daily Injections – The GOLD Randomized Clinical Trial. [published January 2017]. JAMA.

9 Haas L, Maryniuk M, Beck J, et al. National Standards for Diabetes Self-Management Education and Support, Diabetes Care, Volume 35, November 2012

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