Summary: In a randomised trial in postmenopausal women with type 2 diabetes, a home-based dual-task exercise programme improved executive function, physical performance, and HDL and lowered both TNF and IL-10, but did not change the TNF/IL-10 balance or other diabetes indices.
PICO Summary
| Element | Detail |
|---|---|
| Population | 85 inactive women aged 50–75 with type 2 diabetes; Iran. |
| Intervention | Combined, dual-task, home-based exercise training (physical plus cognitive tasks). |
| Comparison | Control group without structured exercise. |
| Outcome | Exercise improved executive function (ES 0.44) and physical performance, and reduced both IL-10 (ES 1.11) and TNF (ES 0.76). However, the TNF/IL-10 ratio did not change significantly, and diabetes-related indices were unchanged except for higher HDL (ES 0.87). |
Home dual-task exercise in T2D
RCT · postmenopausal T2D · pre-post
Home dual-task exercise improved executive function, physical performance and HDL and lowered TNF and IL-10, but did not shift the TNF/IL-10 balance or glycaemic indices.
Expert Commentary
This is a thoughtful small trial whose findings need stating precisely, because the earlier summary overstated them in two ways. It is true and encouraging that a home-based programme pairing movement with cognitive tasks improved executive function and physical performance in a group, postmenopausal women with diabetes, at real risk of cognitive decline. But contrary to the previous framing, the cytokine balance did not improve: although TNF and IL-10 each fell, their ratio, the actual pre-specified measure of inflammatory balance, did not change significantly, and the authors reasonably attribute that to the moderate exercise intensity. Likewise, glycaemic and most metabolic indices were unchanged, with HDL the lone exception. So the honest read is a cognitive and fitness benefit with a neutral effect on inflammatory balance and glucose, not the broad anti-inflammatory, glucose-lowering result implied before. The study is also small and short. Can I use this with my patients? Yes, for the right reason. It supports recommending combined physical-and-cognitive activity to older diabetic women primarily for brain and functional health, while being candid that I should not promise it will lower their blood sugar or rebalance their inflammation on this evidence.
References
Jamali A, Molanouri Shamsi M, Behmanesh M, et al. Impact of home-based multi-task exercise training on executive function and TNF/IL-10 ratio in postmenopausal women with diabetes. Cytokine. 2025;194:157001. doi:10.1016/j.cyto.2025.157001