What is the clinical evidence from this study?

Study design: Observational. Population: Early-onset type 2 diabetes (EOT2D) (n=11). Intervention: Continuous glucose monitor (CGM) and FitBit watch. Primary outcome: Acceptability of CGM use.

What does this research mean for the field?

Continuous glucose monitors are highly acceptable and promote increased glycemic awareness and positive self-management behavior changes in adults with early-onset type 2 diabetes. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This study aims to evaluate the acceptability of continuous glucose monitors (CGMs) and their impact on glycemic awareness and self-management behaviors in early-onset type 2 diabetes (EOT2D).

June 7, 2026

1937-P: Acceptability and Behavior Change Associated with Continuous Glucose Monitor Use in Individuals with Early-Onset Type-2 Diabetes

Key Result

A 30-day trial of continuous glucose monitor use was acceptable to 87.5% of adults with early-onset type 2 diabetes, with 75% feeling confident and liking the device.

Key Points

This study aims to evaluate the acceptability of continuous glucose monitors (CGMs) and their impact on glycemic awareness and self-management behaviors in early-onset type 2 diabetes (EOT2D).
Enrolled adults aged 18-40 with T2D diagnosed within the past 5 years
Participants used a CGM and FitBit for 30 days and completed surveys and qualitative interviews
Thematic analysis was performed on qualitative data to assess CGM acceptability and behavior changes.
75% of participants felt confident using the CGM, 75% liked it, and 87.5% found it easy and acceptable
Participants reported increased glycemic awareness and improved understanding of diet and physical activity connections
Changes in self-management behaviors included increased physical activity and healthier eating habits.

Study Design

Type

Observational (n=11)

Multicenter

Structured PICO

Does a 30-day trial of continuous glucose monitor and FitBit watch use improve glycemic awareness and self-management behaviors in adults with early-onset type 2 diabetes?

Population

11 adults aged 18-40 with early-onset type 2 diabetes diagnosed within the past 5 years who completed a 30-day trial of continuous glucose monitor use.

Intervention

30-day trial of continuous glucose monitor (CGM) and FitBit watch use

Outcome

Acceptability of CGM use, changes in glycemic awareness, and self-management behavior change assessed via follow-up survey and qualitative interviewpatient reported

A 30-day trial of continuous glucose monitoring is highly acceptable and may improve glycemic awareness and self-management behaviors in adults with early-onset type 2 diabetes.

Abstract

Introduction and Objective: Early-onset type 2 diabetes (EOT2D) is increasing in prevalence and is associated with complications and reduced life expectancy. Poor adherence to self-management behaviors is common among individuals with EOT2D, and few complete standard diabetes education programs. Continuous glucose monitors (CGMs) can support behavioral change and glycemic awareness, but are underutilized among adults with EOT2D. This study aims to explore the acceptability of CGM use, changes in glycemic awareness, and mechanisms of behavior change among individuals with EOT2D using a CGM for the first time. Methods: This study is enrolling adults aged 18-40 with a T2D diagnosis in the past 5 years as documented in the electronic medical record of a California health system. Participants complete a 30-day trial of CGM and FitBit watch use. A follow-up survey and qualitative interview are completed to assess acceptability of CGM use, changes in glycemic awareness, and self-management behavior change. Qualitative data are transcribed, coded, and analyzed using structured thematic analysis. Results: N = 11 of 40 participants have completed the study. Participant mean age is 34. 9 (SD: 4. 34) years, 58. 3% are male, 58. 3% are Hispanic, and 91. 7% reported income 30, 000/year. Most participants felt confident using the CGM (75%), liked it (75%), and found it easy (87. 5%) and acceptable (87. 5%). In qualitative interviews, participants reported increased glycemic awareness, improved understanding of the connections between diet, physical activity, and glucose, and changes in self-management behaviors (e. g. , increased physical activity and healthy eating). Conclusion: Preliminary findings indicate that CGMs are an acceptable, well-liked tool for supporting glycemic awareness and behavior change among adults with EOT2D. Understanding the behavior changes associated with CGM use without additional intervention will inform the design of optimal CGM-based self-management interventions for this high-risk population. Disclosure V. Castellanos-Ponce: None. F. Ronzon: None. E. Hernandez Mozo: None. R. Belasco: None. A. Philis-Tsimikas: Research Support; Current; Dexcom, Inc. , Lilly, Novo Nordisk. Advisory Panel; Current; Novo Nordisk, Gan Current; Sanofi-Aventis U. S. S. R. Spierling Bagsic: None. J. McCurley: None. Funding The National Institute on Minority Health and Health Disparities (P50MD017344), National Institute of Diabetes and Digestive and Kidney Diseases (2P30DK111022)

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