Long-term effects of a telemedically-assisted lifestyle intervention on glycemic control in patients with type 2 diabetes - A two-armed randomised controlled trial in Germany.

Diabetes is considered one of the fastest growing diseases worldwide. Especially in the treatment of type 2 diabetes, lifestyle interventions have proven to be effective. However, long-term studies in real-world contexts are rare, which is why further research is needed. The aim of the present study is to investigate whether effects achieved in the context of a long-term lifestyle intervention can be sustained by patients in the long term. In a two-arm randomized trial we compared diabetes care as usual to a lifestyle intervention combining telemedically support and individual needs-based telephone coaching. The study included 151 patients with type 2 diabetes randomized to either the intervention or control group. Intervention Group (IG; N = 86, 80.2% male, mean age: 59.7) received telemedical devices and telephone coaching over a period of 12 months, Control Group (CG; N = 65, 83.1% male, mean age: 58,8) received care as usual. The primary outcome was chance in Hb The intervention group showed significantly better HbA1c- values compared to the control group at both 12 and 24 months (12 M: - 0.52 (-0.73; - 0.32), p < .000; 24 M: - 0.38 (-0.61; - 0.15), p = .001). The strongest change was seen in the first three months, with the best value obtained at 6 months and stable thereafter. Combined telephone coaching with telemedicine support could lead to better long-term glycemic control in people with type 2 diabetes. In the future, more long-term studies should be conducted in real-world settings and lifestyle interventions should be offered more widely.

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Conflict of interestThe authors declare that they have no conflict of interest.