Abstract / Summary
Individuals with type 2 diabetes mellitus (T2D) are at increased cardiovascular risk. Although exercise is an important strategy for reducing cardiometabolic risk, accessible and scalable intervention delivery strategies, such as synchronous telehealth programs, remain underexplored. This randomized clinical trial (RED Study; NCT05362071) investigated the effects of a 12-week synchronous telehealth exercise program on clinical, functional, and psychosocial outcomes in adults with T2D. Thirty-three participants (55.8 ± 10.1 years) were randomized to an intervention group (INT; n = 17), which performed supervised combined aerobic and resistance exercise via video calls (2-3 sessions/week), or a control group (CON; n = 16). Glycated hemoglobin (HbA1c) was the primary outcome. Secondary outcomes included capillary blood glucose, blood pressure, functional performance, and psychosocial parameters. Assessments were conducted at baseline and post-intervention by blinded evaluators, and analyses were conducted using linear mixed-effects models in an intention-to-treat analysis. No significant interaction effect was observed for HbA1c (p > 0.05). However, significant group × time interactions favored the INT for functional performance outcomes, including the 30 s Chair Stand (p = 0.02), Arm Curl (p < 0.001), Timed Up and Go (p = 0.01), and 2-Minute Step Test (p = 0.01), as well as sleep quality (p < 0.001). Depressive symptoms decreased over time (p = 0.03) in both groups. Additionally, the INT showed reductions in post-session capillary blood glucose across mesocycles 1, 2, and 4 (p = 0.03). The synchronous telehealth exercise program was not superior to the control condition in reducing HbA1c; however, it improved functional performance, enhanced sleep quality, and promoted acute reductions in glycemic levels in individuals with T2D.
Primary Source
International journal of environmental research and public health
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