Metabolic and vascular outcomes after transition to the MiniMed 780G system in adults ≥65 years with type 1 diabetes: a randomised, single-centre study
Abstract
Aims/hypothesis: Hybrid closed-loop insulin delivery systems are increasingly regarded as the preferred therapy for type 1 diabetes, although evidence in older adults remains limited. The aim of this randomised study was to evaluate the effectiveness and safety of the MiniMed 780G system in individuals with type 1 diabetes aged ≥65 years, with HbA1c<86 mmol/mol (10%), who were naive to this technology, with the primary endpoint based on glycaemic management (time in range). Vascular status and other glycaemic metrics were assessed as secondary outcomes.
Methods: This single-centre, open labelled (outcome assessors were not masked), randomised, controlled, parallel-group trial enrolled 34 participants who were randomly assigned in a 1:1 ratio using a computer-generated randomisation schedule to either advanced hybrid closed-loop (AHCL) therapy or control therapy (multiple daily injections or continuous subcutaneous insulin infusion) and followed for 12 months.
Results: Twenty-nine participants completed the study. Baseline characteristics, including glycaemic metrics, were comparable across groups (p>0.05). The AHCL group demonstrated a rapid and sustained improvement in glycaemic management, with time in range increasing from 57.4% at baseline to 79.7% at 12 months (p1c (-5 mmol/mol; [95% CI -9.7, -0.4 mmol/mol] [-0.46%; -0.89%, -0.04%]). No serious adverse events or episodes of diabetic ketoacidosis or severe hypoglycaemia occurred. Post-occlusive reactive hyperaemia showed…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 34 participants or records.
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